Online research in philosophy

: Despite its mandate on minimizing harms in clinical trials, the Common Rule provides little guidance as to how IRBs should evaluate risk. The Common Rule and derivative commentaries tend to conceptualize risk review as an expert-based endeavor aimed at an objective and universal evaluation of possible harm; they also have tended to locate risk in the research activity itself rather than in the context of the research. These views of risk conflict with scholarship showing that risk evaluations are (...) socially determined even among experts, that the context of harms can influence how persons evaluate risks, and that forums that approach risk assessment as a technical endeavor bracket from discussion the numerous values that ground risk judgments. Possible reforms are proposed for clinical trial risk review that would render it more inclusive of the different types of risks encountered and more attuned to the priorities of trial subjects. (shrink)

Participants in some clinical trials are at risk of being harmed and sometimes are seriously harmed as a result of not being provided with available, relevant risk information. We argue that this situation is unacceptable and that there is a moral duty to disclose all adverse clinical trial results to participants in clinical trials. This duty is grounded in the human right not to be placed at risk of harm without informed consent. We consider objections to (...) disclosure grounded in considerations of commercial interest, and we argue that these concerns are insufficient to override the moral duty to disclose adverse clinical trial results. However, we also develop a proposal that enables commercial interests to be protected, while promoting the duty to disclose adverse clinical trial results. (shrink)

OBJECTIVE: Pilot study to characterize treatment differences between patients treated in clinical trials and those treated in a clinical setting. Previous studies have shown higher survival rates for participants in trials of cancer therapy. This difference is observed even after rates are adjusted for important covariates such as age and stage of disease. DESIGN: Retrospective chart review. SETTING: Oncology outpatient department in a tertiary care hospital. PATIENTS: Ninety women 18 to 70 years of age with early-stage breast cancer (...) who were diagnosed in 1990. Fifty-one of the women were treated through clinical trials and 39 were treated outside of clinical trials. OUTCOME MEASURES: Number of blood tests, telephone calls, clinic visits and imaging procedures as well as intensity of chemotherapy and use of radiation therapy. The age of the patient and the stage of disease were important covariates. RESULTS: After the analysis was controlled for patient age and stage of disease, patients treated through a clinical trial were more likely to receive standard-dose chemotherapy (p = 0.020, 95% confidence interval 1.20 to 200.73) and more frequent blood tests (p < 0.001, 95% confidence interval 1.02 to 1.13) than other patients treated in the clinic. CONCLUSIONS: Our results provide a plausible mechanism for the observed survival advantage for participants in clinical trials in oncology. Further study is called for. If these results are confirmed, they have important implications for informed consent to participate in clinical trials and for clinical practice. (shrink)

Between 1993 and 2002, 39 clinical trial staff were investigated for scientific misconduct by the Office of Research Integrity (ORI). Analysis of ORI case records reveals practices regarding workload, training and supervision that enable misconduct. Considering the potential effects on human subjects protection, quality and reliability of data, and the trustworthiness of the clinical research enterprise, regulations or guidance on use of clinical trial staff ought to be available. Current ORI regulations do not hold investigators (...) or institutions responsible for supervision and training of clinical trial staff. Given the important issues at stake, the definition of research misconduct should encompass the intentional or negligent mismanagement of scientific projects. Individual institutions and professional associations not only can but should adopt stricter standards of conduct than those reflected in federal regulations. (shrink)

Participants in some clinical trials are at risk of being harmed and sometimes are seriously harmed as a result of not being provided with available, relevant risk information. We argue that this situation is unacceptable and that there is a moral duty to disclose all adverse clinical trial results to participants in clinical trials. This duty is grounded in the human right not to be placed at risk of harm without informed consent. We consider objections to (...) disclosure grounded in considerations of commercial interest, and we argue that these concerns are insufficient to override the moral duty to disclose adverse clinical trial results. However, we also develop a proposal that enables commercial interests to be protected, while promoting the duty to disclose adverse clinical trial results. (shrink)

Background The intervention reported in this paper was a follow up to an empirical study conducted in Malawi with the aim of assessing trial participants’ understanding of randomisation, double-blinding and placebo use. In the empirical study, the majority of respondents (61.1%; n= 124) obtained low scores (lower than 75%) on understanding of all three concepts under study. Based on these findings, an intervention based on a narrative which included all three concepts and their personal implications was designed. The narrative (...) used daily examples from the field of Agriculture because Malawi has an agro-based economy. Methods The intervention was tested using a sample of 36 women who had been identified as low scorers during the empirical study. The 36 low scorers were randomly assigned to control (n=18) and intervention arms ( n =18). The control arm went through a session in which they were provided with standard informed consent information for the microbicide trial. The intervention arm went through a session in which they were provided with a narrative in ChiChewa, the local language, with the assistance of a power point presentation which included pictures as well as discussions on justification and personal implications of the concepts under study. Results The findings on the efficacy of the intervention suggest that the 3 scientific concepts and their personal implications can be understood by low literacy populations using simple language and everyday local examples. The findings also suggest that the intervention positively impacted on understanding of trial procedures under study, as 13 of the 18 women in the intervention arm, obtained high scores (above 75%) during the post intervention assessment and none of the 18 in the control arm obtained a high score. Using Fischer’s exact test, it was confirmed that the effect of the intervention on understanding of the three procedures was statistically significant (p=0.0001). Conclusions Potential trial participants can be assisted to understand key clinical trial procedures, their justification and personal implications by using innovative tailored local narratives. (shrink)

The transition of novel and potentially promising medical therapies into their initial human clinical trials can engender conflicting pressures. On the one side, because Phase I trials raise greater ethical and human protection challenges than later stage clinical trials, there is a need to proceed cautiously. This is particularly the case for Phase I trials with a novel therapy being tested in humans for the first time, usually termed first-in-human (FIH) trials, especially if the FIH trial involves (...) significant risks. On the other side, scientists interested in having their research validated, corporations with a financial interest in the field, and potential patients and patient support groups desirous of having .. (shrink)

The aims of this study were to measure the readability of Australian based informed consent documents and determine whether informed consent readability guidelines have been established by Australian human research ethics committees (HRECs). A total of 20 informed consent documents, 10 HIV/AIDS and 10 type 2 diabetes, were measured for readability using the Simple Measure of Gobbledygook (SMOG) and Gunning Fog Index (Fog). Published guidelines and policy statements of the two local HREC who approved the 20 clinical trials under (...) study where examined to identify whether they had any formal policies/guidelines on the readability of informed consent documents. The two HRECs were contacted via e-mail to also determine whether they utilised any informal readability standards or rules of thumb that may not have been mentioned in the published documents. The HIV/AIDS and type 2 diabetes informed consent documents were, on average, written at a grade 13 reading level. Formal readability standards had not been established by the two local HRECs, however, they did verify the use of informal rules for assessing readability of informed consent documents. Based on Australian literacy data, the majority of informed consent documents were written well beyond the reading ability of many Australians. Unreadable informed consent documents may result in patients rejecting trial participation altogether or conversely may result in their participating in a trial with inadequate consent. Therefore, a step toward reducing the complexity of informed consent documents may be to implement objective readability assessments into the human research ethics application and review process. (shrink)

The aims of this study were to measure the readability of Australian based informed consent documents and determine whether informed consent readability guidelines have been established by Australian human research ethics committees (HRECs). A total of 20 informed consent documents, 10 HIV/AIDS and 10 type 2 diabetes, were measured for readability using the Simple Measure of Gobbledygook (SMOG) and Gunning Fog Index (Fog). Published guidelines and policy statements of the two local HREC who approved the 20 clinical trials under (...) study where examined to identify whether they had any formal policies/guidelines on the readability of informed consent documents. The two HRECs were contacted via e-mail to also determine whether they utilised any informal readability standards or “rules of thumb” that may not have been mentioned in the published documents. The HIV/AIDS and type 2 diabetes informed consent documents were, on average, written at a grade 13 reading level. Formal readability standards had not been established by the two local HRECs, however, they did verify the use of informal rules for assessing readability of informed consent documents. Based on Australian literacy data, the majority of informed consent documents were written well beyond the reading ability of many Australians. Unreadable informed consent documents may result in patients rejecting trial participation altogether or conversely may result in their participating in a trial with inadequate consent. Therefore, a step toward reducing the complexity of informed consent documents may be to implement objective readability assessments into the human research ethics application and review process. (shrink)

OBJECTIVE: To investigate whether eligibility criteria that exclude the elderly, persons with psychiatric disease, and persons with substance abuse problems from participation in randomized controlled trials (RCTs) are subjective and hence a source of variability in enrolment decisions and investigator uncertainty. DESIGN: Survey questionnaire. PARTICIPANTS: Cancer investigators from the United States and Canada. INTERVENTIONS: Investigators were presented with clinical vignettes from 3 patient categories--eligible, ineligible and uncertain--for each of 5 eligibility criteria--3 subjective and 2 objective--and were asked whether they (...) would enrol the patient in a trial and how sure they were of this decision. Demographic characteristics of the investigators were also collected. OUTCOME MEASURES: The difference in enrolment decisions between subjective and objective criteria, and the difference in the certainty associated with these decisions. RESULTS: Of 365 questionnaires sent out, 224 usable ones were returned. Compared with the objective criteria, the subjective criteria were associated with more variable enrolment decisions (p = 0.07 for the "eligible" scenario and p = 0.0001 for the "ineligible" and "uncertain" scenarios), and investigators were less sure about the decisions they made (p = 0.0001 for all scenarios). Demographic characteristics of the investigators failed to explain the observed differences. CONCLUSIONS: Subjective eligibility criteria may interfere with the conduct and interpretation of RCTs and, therefore, their use ought to be justified explicitly in the study protocol. RCT designers, funding agencies and research ethics boards have an important role in reviewing eligibility criteria for their necessity. (shrink)

Journalist Alex O’Meara is one of the more than twenty million Americans enrolled in a clinical trial—three times as many people as a decade ago. Indeed, clinical trials have become a $24 billion industry that is reshaping every aspect of health-care development and delivery in the United States and around the world. As O’Meara chronicles, twentieth-century medical trials have led to epic advances in health care, from asthma inhalers and insulin pumps to heart valves and pacemakers. And (...) yet, although regulations safeguard against grossly unethical tests, significant problems are still associated with how clinical trials are carried out and reported. For example, despite eight clinical trials for Vioxx before the FDA approved it in 1998 for use as a painkiller, Merck took it off the market in 2004, too late for the eighty-eight thousand Americans who suffered heart attacks while taking Vioxx and the thirty-eight thousand who died. _ Chasing Medical Miracles is the first book to give readers a behind-the-scenes look at the complicated world of clinical trials, revealing how a multibillion-dollar industry of private companies conducting them with little oversight has taken root and quietly become a major part of the American medical establishment. Whether you are participating in a clinical trial, considering that option, or interested in our medical system, Alex O’Meara’s ground-breaking_book is essential reading. Alex O’Meara is a freelance journalist who has worked for the City News Bureau of Chicago, Newsday , the Baltimore Sun , and many other media organizations. In an effort to cure his type-1 diabetes, he participated in a risky and groundbreaking clinical trial to receive a transplant of islet cells from several cadaver pancreases. This is his first book. He lives in Bisbee, Arizona. Journalist Alex O’Meara is one of the more than twenty million Americans enrolled in a clinical trial—three times as many people as there were a decade ago. Indeed, clinical trials have become a $24 billion industry that is reshaping every aspect of health-care development and delivery in the United States and around the world. As O’Meara chronicles, twentieth-century medical trials have led to epic advances in health care, from asthma inhalers and insulin pumps to heart valves and pacemakers. And yet, although regulations safeguard against grossly unethical tests, significant problems are still associated with how clinical trials are carried out and reported. For example, despite eight clinical trials for Vioxx before the FDA approved it in 1998 for use as a painkiller, Merck took it off the market in 2004, too late for the eighty-eight thousand Americans who suffered heart attacks while taking Vioxx and the thirty-eight thousand who died. Chasing Medical Miracles is the first book to give readers a behind-the-scenes look at the complicated world of clinical trials, revealing how a multibillion-dollar industry of private companies conducting them with little oversight has taken root and quietly become a major part of the American medical establishment. Whether you are participating in a clinical trial, considering that option, or interested in our medical system, Alex O’Meara’s book is essential reading. “Americans have long_been mystified about how new drugs are developed. Though the term ‘clinical trial’ has entered the popular lexicon, most people still don’t know what goes on behind the scenes._ Chasing Medical Miracles tells the truth about the byzantine world of clinical trials. O’Meara exposes the ethics of medical research both in the U.S. and abroad. Essential reading for anyone who wants to understand how new medicines are developed.”—Joe Graedon, M.S., and Teresa Graedon, Ph.D., authors of The People’s Pharmacy “This travelogue of ‘the most dangerous part of medical discovery’ moves from O’Meara’s own experience as a research subject—ranging from terror to euphoria—to a broader exploration of the ethics and economics of clinical trials._He describes a landscape populated by brave and often desperate patients, whose heroism is integral to finding tomorrow’s cures.”— Robin Marantz Henig , author of Pandora’s Baby: How the First Test Tube Babies Sparked the Reproductive Revolution “In the ethically murky world of clinical trials, Alex O’Meara’s book is an illumination. Whether probing the use of_Third World people to test U.S. drugs, or revealing that the goal of clinical trials is not to cure anyone but to obtain data, Chasing Medical Miracles is educational in a valuable and troubling way.”—Stephen P. Kiernan, author of Last Rights: Rescuing the End of Life from the Medical System “Readers who assume that the trials only occur at academic medical centers will be surprised by the author’s findings. As they multiply and grow wildly expensive—up to $500 million for a single drug—pharmaceutical companies are hiring clinical-research organizations, profit-making enterprises that recruit subjects, pay them and perform studies in their own facilities. These organizations continue to migrate overseas to save money and escape FDA oversight . . ._[O’Meara] does a capable job of revealing alarming problems that must be addressed.” — Kirkus Reviews “Enjoy this bracing tour through the history, horror, and headaches of clinical trials, described by a guide with both a detached delivery and knowledgeable perspective. Former Newsday and Baltimore Sun reporter O'Meara, a Type I diabetic, signed up for a trial offering a possible cure, so he may be more than a little invested in how trials work. But his self-interest is a compelling element as he surveys a $24-billion-a-year industry that affects the lives of 20 million Americans. His investigation briskly sails through the interests that spark clinical trials, the money that pays for them and the bonanza of cash and/or equipment and medications for developing countries where researchers find it cheaper to recruit trial subjects. Best and most sweetly, however, the book delves into the human guinea pigs, such as gene therapy trial participant whose death raised questions about government oversight and the self-interest of the lead researcher. O'Meara presents lessons from a medical front that offers something more important than success or failure—hope. 'I'm still able to say, "At least I tried,"' O'Meara notes.”— Publishers Weekly. (shrink)

I will open the first part of this paper by trying to elucidate the frequentist foundations of RCTs. I will then present a number of methodological objections against the viability of these inferential principles in the conduct of actual clinical trials. In the following section, I will explore the main ethical issues in frequentist trials, namely those related to randomisation and the use of stopping rules. In the final section of the first part, I will analyse why RCTs were (...) accepted for regulatory purposes. I contend that their main virtue, from a regulatory viewpoint, is their impartiality, which is grounded in randomisation and fixed rules for the interpretation of the experiment. Thus the question will be whether Bayesian trials can match or exceed the achievements of frequentist RCTs in all these respects. In the second part of the paper, I will first present a quick glimpse of the introduction of Bayesianism in the field of medical experiments, followed by a summary presentation of the basic tenets of a Bayesian trial. The point here is to show that there is no such thing as “a” Bayesian trial. Bayesianism can ground many different approaches to medical experiments and we should assess their respective virtues separately. Thus I present two actual trials, planned with different goals in mind, and assess their respective epistemic, ethical and regulatory merits. In a tentative conclusion, I contend that, given the constraints imposed by our current regulatory framework, impartiality should preside over the design of clinical trials, even at the expense of many of their inferential and ethical virtues. (shrink)

Data gathered by investigators are used to test the validity of a specific scientific hypothesis. When the hypothesis relates to the biology of a disease or its treatment, then data sets may contain specific and identifiable medical information. Since the information in a clinical data set was gathered to test a specific hypothesis and there is usually a sponsor interested in the outcome, the issue of who owns the data is a critical one. In my opinion, data from both (...) publicly and privately funded research should be made available, in a format that protects confidentiality and intellectual property rights, to interested and responsible parties within a reasonable period of time after publication. (shrink)

Geron recently announced that it had begun enrolling patients in the world's first-in-human clinical trial involving cells derived from human embryonic stem cells (hESCs). This trial raises important questions regarding the future of hESC-based therapies, especially in spinal cord injury (SCI) patients. We address some safety and efficacy concerns with this research, as well as the ethics of fair subject selection. We consider other populations that might be better for this research: chronic complete SCI patients for a (...) safety trial, subacute incomplete SCI patients for an efficacy trial, and perhaps primary progressive multiple sclerosis (MS) patients for a combined safety and efficacy trial. (shrink)

The American Journal of Bioethics, Volume 11, Issue 8, Page 33-35, August 2011.

: Some commentators have recently proposed that "clinical equipoise," although widely accepted, is not necessary for morally acceptable research on human subjects. If this concept is rejected, however, we may find that trials not in the best medical interests of their subjects--bad deal trials--could be justified. To avoid exploiting participants, we must find a way to distribute the risks fairly, even if it means embracing radical changes in the way clinical research is conducted.

This article examines issues relating to ethics decision-making in clinical trials. The overriding concern is to ensure that the well being and the interests of human subjects are adequately safeguarded. In this respect, this article will embark on a critical analysis of the ICH-GCP Guideline. The purpose of such an undertaking is to highlight areas of concern and the shortcomings of the existing ICH-GCP Guideline. Particular emphasis is made on how ethics committees perform their duties and responsibilities in line (...) with the principles outlined in the ICH-GCP Guideline. This article will draw attention to the need for a new approach to addressing the weaknesses of the ICH-GCP Guideline in its present form. (shrink)

As the_number of clinical trials continues to grow, there is an increasing need for education and training in the field. The clinical research climate is less forgiving of errors and oversights and therefore requires more knowledge of regulations and requirements. This brand new edition details new laws and regulations in protecting children participating in clinical trials and how a new focus on privacy of individual health information in the United States has changed how medical records are handled. (...) Includes a manual for investigators, research nurses and study coordinators with minimal experience or who are new to clinical research An easy-to-read and open text design using ‘sidebars’ of examples and information boxes related to the main text Includes a list of Frequently Asked Questions and Glossary Duke Clinical Research Institute is the world’s largest academic clinical research organisation and is well known and respected within the clinical research community. (shrink)

This article provides an ethical critique of the Good Clinical Practice (GCP) and Declaration of Helsinki (DoH) documents. While the previous criticisms of GCP are entirely correct, there is much more wrong with the document than has previously been acknowledged, including a circular definition and an astonishing vagueness about ethical principles. In addition to its failure to provide adequate ethical protection of participants, the procedurally dense nature of GCP lends itself to a box-ticking culture where important ethical issues are (...) overlooked because they are not ‘mentioned on the form’. In contrast, the DoH is a much more effective ethical document, but actually goes too far in one respect. It transpires that the best ethical guidelines for clinical research would be neither over-prescriptive in regard to particular ethical issues (as the DoH is) nor neglectful of them (as GCP is); correctly framed ethical principles will provide sufficient protection to participants while also ensuring a culture of ethicovigilance in clinical trials. (shrink)

In her article, Pascale Hess raises the issue of whether her proposed model may be extrapolated and applied to clinical research fields other than stem cell-based interventions in the brain (SCBI-B) (Hess 2012). Broadly summarized, Hess’s model suggests prioritizing efficacy over safety in phase 1 trials involving irreversible interventions in the brain, when clinical criteria meet the appropriate population suffering from “degenerative brain diseases” (Hess 2012). Although there is a need to reconsider the traditional phase 1 model, especially (...) with respect to first-in-human clinical trials involving novel technologies, the question arises as to whether it is appropriate to advocate for a new model that prioritizes efficacy over safety across all phase 1 clinical research trials involving irreversible interventions in the brain. -/- . (shrink)

In this paper we argue that the consensus around normative standards for the ethics of research in clinical trials, strongly influenced by the Declaration of Helsinki, is perceived from various quarters as too conservative and potentially restrictive of research that is seen as urgent and necessary. We examine this problem from the perspective of various challengers who argue for alternative approaches to what ought or ought not to be permitted. Key themes within this analysis will examine these claims and (...) argue they have implications for the interests of the research subject, research governance and regulation. Using our work with TREAT-NMD, the neuromuscular clinical trials network, we posit that there is a place for advancing the discourse of moral rights and moral duties in the context of research, especially from the perspective of patients and their families, and for including the politics of patient activism and empowerment. At the same time we remain vigilant to the danger that the therapeutic misconception and other serious vulnerabilities for the patient population in clinical trials, are at risk of being overlooked. (shrink)

A sudden paradigm shift has resulted in governmental measures that greatly impact the scope in which the ethics committees in Germany can perform their task of providing expert opinions for clinical research. The so-called “revaluation” of the Medical Device Law Deutsches Medizinproduktegesetz—MPG) is, in our opinion, not based on sound political and professional judgment. In accordance with the changed regulations, ethics committees are now seen as being sub-organs of the state medical associations or the medical faculties and are therefore (...) official authorities. It follows that the votes of ethics committees are then “sovereign acts” or authoritative measures! However, equality and justice speak against this misleading conclusion and its resulting consequence that an ethics committee’s vote is a sovereign act. This has, in turn, resulted in the public ethics committees obtaining their long-sought goal of having a state-sanctioned monopoly. The private ethics committees are not recognized as being authoritative bodies, nor are they to be seen as such in the future (i.e. such a status has been denied the Freiburg Ethics Commission International (FEKI) in Baden-Württemberg). This political mistake must be corrected, otherwise, conducting clinical research will become increasingly difficult. (shrink)

All investigators funded by the National Institutes of Health are now required to receive training about the ethics of clinical research. Based on a course taught by the editors at NIH, Ethical and Regulatory Aspects of Clinical Research is the first book designed to help investigators meet this new requirement. The book begins with the history of human subjects research and guidelines instituted since World War II. It then covers various stages and components of the clinical (...) class='Hi'>trial process: designing the trial, recruiting participants, ensuring informed consent, studying special populations, and conducting international research. Concluding chapters address conflicts of interest, scientific misconduct, and challenges to the IRB system. The appendix provides sample informed consent forms. This book will be used in undergraduate courses on research ethics and in schools of medicine and public health by students who are or will be carrying out clinical research. Professionals in need of such training and bioethicists also will be interested. (shrink)

This paper analyzes statistical decisions during the interim analyses of clinical trials. After some general remarks about the ethical and scientific demands of clinical trials, I introduce the notion of a hard-case clinical trial, explain the basic idea behind it, and provide a real example involving the interim analyses of zidovudine in asymptomatic HIV-infected patients. The example leads me to propose a decision analytic framework for handling ethical conflicts that might arise during the monitoring of hard-case (...) clinical trials. I use computer simulations to show how the framework can assist in reconciling certain ethical conflicts. The framework is partial, lacking the precision of a complete systematization of statistical monitoring procedures in practice. (shrink)

Pharmaceutical companies fund the bulk of clinical research that is carried out on medications. Poor outcomes from these studies can have negative effects on sales of medicines. Previous research has shown that company funded research is much more likely to yield positive outcomes than research with any other sponsorship. The aim of this article is to investigate the possible ways in which bias can be introduced into research outcomes by drawing on concrete examples from the published literature. Poorer methodology (...) in industry-funded research is not likely to account for the biases seen. Biases are introduced through a variety of measures including the choice of comparator agents, multiple publication of positive trials and non-publication of negative trials, reinterpreting data submitted to regulatory agencies, discordance between results and conclusions, conflict-of-interest leading to more positive conclusions, ghostwriting and the use of seeding trials. Thus far, efforts to contain bias have largely focused on more stringent rules regarding conflict-of-interest (COI) and clinical trial registries. There is no evidence that any measures that have been taken so far have stopped the biasing of clinical research and it’s not clear that they have even slowed down the process. Economic theory predicts that firms will try to bias the evidence base wherever its benefits exceed its costs. The examples given here confirm what theory predicts. What will be needed to curb and ultimately stop the bias that we have seen is a paradigm change in the way that we treat the relationship between pharmaceutical companies and the conduct and reporting of clinical trials. (shrink)

Setting reasonable and fair limits of emergency research acceptability in ethical norms and legal regulations must still adhere to the premise of well-being of the research subject over the interests of science and society. Informed consent of emergency patients to be enrolled in clinical trials is a particularly difficult issue due to impaired competencies of patients’ to give consent, short diagnostic and therapeutic windows, as well as the requirement to provide detailed information to participants. Whereas the Declaration of Helsinki, (...) Good Clinical Practice guideline, Additional Protocol to the European Bioethical Convention concerning Biomedical Research, as well as appropriate regulations adopted by the Food and Drugs Administration (USA) allow waivers from participants’ consent or deferred consent for emergency research, the regulations of most European Community countries following the Clinical Trial Directive (2001/20/EC) do not give space for a deferred consent or a waiver from consent for adult patients (unless surrogate consent is made use of). This is even more confusing in case of Poland, where conflicting regulations on a waiver from a participant’s consent in emergency research exist and the regulations on surrogate consent of temporarily incompetent adults are too restrictive and authorise only the guardianship courts to consent, which is not or hardly feasible in practice. European Community regulations need to be amended to allow for implementation of the deferred consent or waivers from consent for emergency research in order to enable ethical research of emergency conditions that should become a large part of important public health priorities. (shrink)

Achieving a good clinical trial design increases the likelihood that a trial will take place as planned, including that data will be obtained from a sufficient number of participants, and the total number of participants will be the minimal required to gain the knowledge sought. A good trial design also increases the likelihood that the knowledge sought by the experiment will be forthcoming. Achieving such a design is more than good sense—it is ethically required in experiments (...) when participants are at risk of harm. This paper argues that doing a power analysis effectively contributes to ensuring that a trial design is good. The ethical importance of good trial design has long been recognized for trials in which there is risk of serious harm to participants. However, whether the quality of a trial design, when the risk to participants is only minimal, is an ethical issue is rarely discussed. This paper argues that even in cases when the risk is minimal, the quality of the trial design is an ethical issue, and that this is reflected in the emphasis the Belmont Report places on the importance of the benefit of knowledge gained by society. The paper also argues that good trial design is required for true informed consent. (shrink)

The definition of the study population for a clinical trial via the criteria for trial eligibility has implications for the validity of the study and its applicability to clinical practice. Though issues of equity regarding the selection of subjects for research have long been a concern of ethicists, issues regarding the impact of subject selection on a trial's generalizability have only recently attracted ethical scrutiny. After a review of the history of the ethics of subject (...) selection, I focus on three empirical questions regarding the generalizability of clinical trials. (1) What proportion of diseased populations are studied in clinical trials? (2) How are subjects selected for clinical trial participation (and what are the main barriers to participation)? (3) Are clinical trial participants comparable to non-participants? Finally, the role of the Institutional Review Board--Research Ethics Board in Canada--in assessing the generalizability of clinical research is discussed. (shrink)

The American Journal of Bioethics, Volume 12, Issue 1, Page 39-40, January 2012.

Methodology for conducting clinical trials of new drugs and treatments on people need not be regarded as fixed. After reviewing the currently most popular method (randomization) and its ethical problems, this paper explores the possibilities of a new method for conducting such trials. It relies on new Bayesian technology for eliciting the opinions of medical experts. These opinions are conditioned on specific predictor variables, and are held in a computer. At any stage in a trial, these opinions can (...) be updated in the computer using the information collected in the trial up to that point. Consider as an admissible treatment for a patient having specific values of predictor variables only those treatments that at least one expert regards as best (in the computer model) for this patient. It is proposed that only admissible treatments, so defined, be allowed to be assigned to the patient. The ethical and statistical consequences of this principle are explored. Experience to date with a trial at Johns Hopkins designed on this principle is reported. Keywords: Bayesian statistics, information, clinical trial CiteULike Connotea Del.icio.us What's this? (shrink)

Achieving a good clinical trial design increases the likelihood that a trial will take place as planned, including that data will be obtained from a sufficient number of participants, and the total number of participants will be the minimal required to gain the knowledge sought. A good trial design also increases the likelihood that the knowledge sought by the experiment will be forthcoming. Achieving such a design is more than good sense—it is ethically required in experiments (...) when participants are at risk of harm. This paper argues that doing a power analysis effectively contributes to ensuring that a trial design is good. The ethical importance of good trial design has long been recognized for trials in which there is risk of serious harm to participants. However, whether the quality of a trial design, when the risk to participants is only minimal, is an ethical issue is rarely discussed. This paper argues that even in cases when the risk is minimal, the quality of the trial design is an ethical issue, and that this is reflected in the emphasis the Belmont Report places on the importance of the benefit of knowledge gained by society. The paper also argues that good trial design is required for true informed consent. (shrink)

The Declaration of Helsinki and the Council of the International Organization of Medical Sciences provide guidance on standards of care and prevention in clinical trials. In the current and increasingly challenging research environment, the ethical status of a trial design depends not only on protection of participants, but also on social value, feasibility, and scientific validity. Using the example of a study assessing efficacy of a vaccine to prevent human papilloma virus in HIV-1 infected adolescent girls in low (...) resource countries without access to the vaccine, we compare several trial designs which rank lower on some criteria and higher on others, giving rise to difficult trade-offs. This case demonstrates the need for developing more nuanced guidance documents to help researchers balance these often conflicting criteria. (shrink)

In contrast to attempts that have been made to measure the clarity of reporting of the methods of clinical trials in journal articles, we report here an attempt to measure the accuracy of methods reporting. We focus in this article on eligibility criteria as a test case for the reporting of clinical trial methods. We examined the reporting of eligibility criteria in the protocol, methods paper (if applicable), journal article, and Clinical Alert for articles appearing in (...) print between January 1988 and September 1994 for which a Clinical Alert had been issued. Eligibility criteria were further classified into five categories in order to examine the content of information loss, if any. On average, 82% of protocol eligibility criteria were reported in methods papers. Journal articles and Clinical Alerts fared somewhat worse: 63% of criteria were reported in journal articles, 19% in Clinical Alerts. In all three categories of medical communication, the reporting of criteria that defined the study disease tended to be complete; reporting of criteria relating to trial precision, patient safety, legal and ethical concerns, and administrative considerations, was not complete. We found that criteria for clinical trial eligibility are frequently under-reported in medical communications. Moreover, some of the criteria omitted are of considerable clinical importance. We suggest that in the design phase of clinical trials, proposed eligibility criteria be scrutinized closely. Those criteria that survive this scrutiny and that have clinical import must be reported upon fully and accurately when communicating trial results. (shrink)

Utilizing a sorted compendium of international clinical trial standards, investigators identified 15 conflicts among ethical and methodological guidance. Analysis distinguishes interpretational issues, lack of clarity, and contradiction as factors to be addressed if international trial guidance is to be improved.

The purpose of this paper is to examine whether randomized clinical trial (RCT) methods are necessarily morally problematic. If they are intrinsically problematic, then there may be a dilemma such that tragic choices might have to be made between this socially very useful method for making medical progress on the one hand, and patients' rights and welfare, or physicans' duties on the other. It is argued that the dilemma may be avoided if RCTs can sometimes be viewed as (...) an honorable and cooperative venture between investigators and subjects. Another dilemma may take shape, however, if too few people are willing to cooperate to maintain the structural integrity of many important RCTs. Given their importance, does this method justify easing some of the consent requirements? It is argued that RCT methods are not so ideal that special consideration should be given to them regarding consent requirements. To examine the compatibility of current consent requirements and frequently used RCT schemas, seven RCT designs are discussed. It is found that some, but not all, RCTs, are intrinsically problematic but that sufficient reason has not been found to hold all RCT schemas as intrinsically morally troubling. Keywords: randomized clinical trials, informed consent, randomization CiteULike Connotea Del.icio.us What's this? (shrink)

PURPOSE/OBJECTIVES: To examine differences in nursing care received by patients with breast cancer enrolled in clinical trials and those not enrolled in clinical trials. DESIGN: Retrospective review of clinic charts. SETTING: Oncology outpatient department of a tertiary-care hospital. SAMPLE: 90 women with early stage breast cancer. The mean age of the women was 53 years. More than half of the women (51 of 90) were treated in a clinical trial. METHODS: Retrospective chart review of all the (...) nurse-patient clinic encounters for a six-month period from date of cancer diagnosis. The content of each encounter was coded using a modified version of the Nursing Action Classification System. MAIN RESEARCH VARIABLES: Nursing interventions (i.e., assessment, medical scheduling, psychosocial scheduling, reassurance, and teaching) and phone calls. FINDINGS: Women enrolled in clinical trials had more phone interactions with nursing staff (p = 0.003) and received teaching (p < 0.001) and reassurance (p = 0.005) from nursing staff more often than women not enrolled in clinical trials. Controlling for age and stage of disease, teaching (p < 0.001), and reassurance (p = 0.10) were the primary differences in nursing care between the patients enrolled in clinical trials and those not enrolled. CONCLUSION: Differences in nursing care received exist between patients with breast cancer enrolled in clinical trials and those not enrolled. IMPLICATIONS FOR NURSING PRACTICE: Both teaching and reassurance are important components of caring for patients with cancer and are associated with treatment compliance. If the results of this study are confirmed, measures must be employed to ensure that all patients receive optimal care. (shrink)

The issue of benefits in international clinical research is highly controversial. Against the background of wide recognition of the need to share benefits of research, the nature of benefits remains strongly contested. Little is known about the perspectives of research populations on this issue and the extent to which research ethics discourses and guidelines are salient to the expectations and aspirations existing on the ground. This exploratory study contributes to filling this void by examining perspectives of people in low-income (...) South African communities on benefits in international clinical research. Twenty-four individuals with and without experience of being involved in clinical research participated in in-depth interviews. Respondents felt that ancillary care should be provided to clinical research participants, while a clinical study conducted in particular community should bring better health to its members through post-trial benefits. Respondents' perspectives were grounded in the perception that the ultimate goal of international clinical research is to improve local health. We argue that perspectives and understandings of the respondents are shaped by local moral traditions rather than clinical research specificities and require attention as valid moral claims. It is necessary to acknowledge such claims and cultural worlds from which they emerge, thus building the foundation for equal and embracing dialogue to bridge different perspectives and handle contradicting expectations. (shrink)

Community engagement is increasingly emphasized in biomedical research, as a right in itself, and to strengthen ethical practice. We draw on interviews and observations to consider the practical and ethical implications of involving Community Health Workers (CHWs) as part of a community engagement strategy for a vaccine trial on the Kenyan Coast. CHWs were initially engaged as an important network to be informed about the trial. However over time, and in response to community advice, they became involved in (...) trial information sharing and identifying potential participants; thereby taking on roles that overlapped with those of employed fieldworkers (FWs). While CHWs involvement was generally perceived as positive and appreciated, there were challenges in their relations with FWs and other community members, partly related to levels and forms of remuneration. Specifically, payment of CHWs was not as high as for FWs and was based on ‘performance’. This extrinsic motivation had the potential to crowd out CHWs intrinsic motivation to perform their pre-existing community roles. CHWs remuneration potentially also contributed to CHWs distorting trial information to encourage community members to participate; and to researchers encouraging CHWs to utilize their social connections and status to increase the numbers of people who attended information giving sessions. Individual consent processes were protected in this trial through final information sharing and consent being conducted by trained clinical staff who were not embedded in study communities. However, our experiences suggest that roles and remuneration of all front line staff and volunteers involved in trials need careful consideration from the outset, and monitoring and discussion over time. (shrink)

Conversion of slowly accruing conventionally randomized studies to a prerandomized design has apparently been successful in increasing accrual enough so that some of these studies can be completed. Ellenberg (1984) has pointed out some of the ethical dangers of prerandomization. This paper argues that prerandomization must be either unsuccessful or unethical: either conversion to prerandomization will result in no significant increase in the rate of completion of the study or a significant increase in accrual rate will be achieved either at (...) the price of an inadequate attempt to obtain informed consent, at the price of the deceit of patients, or at the price of violations of patient autonomy. The argument of the paper can be sketched as follows: For any given randomized study, either patients prefer one treatment arm to the other or they do not. On the one hand, if they do, then conventional randomization fails. But prerandomization, if done ethically, will fail also. Hence, if prerandomization succeeds in this sort of case, then the trial has been conducted unethically. On the other hand, if patients do not prefer One arm to the other, then prerandomization will succeed. So will conventional randomization. Hence, prerandomization is either unnecessary or unethical. Ellenberg's concerns count as good moral reasons for not prerandomizing if prerandomization is unnecessary. It follows that prerandomization is always wrong. Keywords: prerandomized clinical trials, ethics, informed consent CiteULike Connotea Del.icio.us What's this? (shrink)

The quest for effective medicines is very old. In modern times two important tools have been developed to evaluate efficacy of drugs: superiority and non-inferiority types of clinical trials. The former tests the null hypothesis of μ (the difference between a tested drug and comparator) ≤ 0 against μ > 0; the latter tests the null hypothesis of μ ≤ - Δ against, μ > - Δ, where Δ is the clinical difference from the comparator. In a superiority (...) trial, a new drug is tested against a placebo; in a non-inferiority trial, a new drug is tested against active treatment. In this paper, arguments are presented to show that a superiority trial against a placebo is scientifically sound but ethically unacceptable, whereas a non-inferiority trial against active treatment is ethically sound but scientifically not reliable. Switching from a superiority type of trial with placebo to a non-inferiority trial with an active-control — following the latest revision of Declaration of Helsinki — is in practice switching from the violation of the uncertainty principle to uncertainty of results. Given human and financial resources, it appears an academic question as to which is more unethical: to violate patients’ rights or to produce results without scientific value. All presented considerations lead to the conclusion that the use of a superiority trial of design with an active control instead of placebo will satisfy scientific needs, expectation of patients, and the ancient quest for effective medicines. In the era of Good (Clinical, Laboratory, Manufacture) Practice, the attention of those performing clinical trials is focused on the procedure, not always on its essence. However even the excellent performance of a trial which is not worth doing is fruitless. (shrink)

Clinical trials of stem cell transplantation raise ethical issues that are intertwined with scientific and design issues, including choice of control group and intervention, background interventions, endpoints, and selection of subjects. We recommend that the review and IRB oversight of stem cell clinical trials should be strengthened. Scientific and ethics review should be integrated in order to better assess risks and potential benefits. Informed consent should be enhanced by assuring that participants comprehend key aspects of the trial. (...) For the trial to yield generalizable knowledge, negative findings and serious adverse events must be reported. (shrink)

Clinical trials of novel agents often present several layers of ethical challenge. Because time and resources for ethical and safety review are limited, how investigators, IRBs, and regulators allocate attention to a trial's various safety dimensions itself represents a critical ethical question. In what follows, I use the example of a Parkinson's disease gene transfer trial to show how risks involving unknown probabilities or outcomes (ambiguity), might sometimes draw attention away from risks that involve known probabilities or (...) outcomes. This potentially undermines the goal of ‘systematic and nonarbitrary analysis of risk’ during ethical review. To counteract the possible effects of such attention biases, I propose that reviewers develop ‘cognitive aids’ like lists and, where appropriate, set aside time to discuss non-ambiguous risks. I also propose further research for addressing and understanding how attention allocation, emotion, and ambiguity influence ethical decision-making. (shrink)

Randomized and double-blind clinical trials are widely regarded as the most reliable way of studying the effects of medical interventions. According to received wisdom, if a new drug or treatment is to be accepted in clinical practice, its safety and efficacy must first be demonstrated in such trials. For ethical and scientific reasons, it is generally considered necessary to monitor a trial in various ways as it proceeds and to analyze data as they accumulate. Monitoring and interim (...) analyses are often conducted by a so-called data monitoring committee (DMC), a group of experts independent of both sponsors and investigators. On the basis of DMC recommendations, sponsors sometimes decide to discontinue trials .. (shrink)

The ethical treatment of cancer patientsparticipating in clinical trials requiresthat patients are well-informed about thepotential benefits and risks associated withparticipation. When patients enrolled in phaseI clinical trials report that their chance ofbenefit is very high, this is often taken as evidence of a failure of the informed consent process. We argue, however, that some simple themes from the philosophy of language may make such a conclusion less certain. First, the (...) patient may receive conflicting statements from multiple speakers about the expected outcome of the trial. Patients may be reporting the message they like best. Second, there is a potential problem of multivocality. Expressions of uncertainty of the frequency type(e.g., ``On average, 5 out of every 100 patientswill benefit'') can be confused with expressionsof uncertainty of the belief type (e.g.,``The chance that I will benefit is about80%''). Patients may be informed using frequency-type statements and respond using belief-type statements. Third, each speech episode involving the investigator and the patient regarding outcomes may subservemultiple speech acts, some of which may beindirect. For example, a patient reporting ahigh expected benefit may be reporting a beliefabout the future, reassuring family members,and/or attempting to improve his or her outcome by apublic assertion of optimism. These sources oflinguistic confusion should be considered injudging whether the patient's reported expectation isgrounds for a bioethical concern that there hasbeen a failure in the informed consent process. (shrink)

In February 2010, the World Medical Association hosted an international symposium on the ethics of placebo controls in clinical trials (WMA 2010). Despite years of debate, ethicists, clinical trialists, and policy makers remain divided over the ethical acceptability of using placebos in research when a proven, effective treatment is available. The protracted nature of this problem is due, at least in part, to a perceived conflict between the opposing demands placed on clinical research by science and ethics. (...) A good, scientifically valid trial, it is argued, must be “assay sensitive,” and without using a placebo control, there can be no guarantee that it is. In this article, we revisit some of the claims made about .. (shrink)

An increasing number of drugs removed from the market because of unacceptable toxicity raises concerns regarding preapproval testing of drug safety. In the present paper it is postulated that the non-inferiority type of trial should be abandoned in favor of the superiority trial with active controls and less stringent (p<0.1, both for efficacy and toxicity) statistics. This approach will increase sensitivity of detection of drug-induced adverse effects at the expense of increasing false positive results regarding the difference in (...) efficacy between the tested and reference drug. Such a move will increase the protection of future patients. In addition, the proposed design is far more acceptable from the clinical (e.g. no need to specify the statistically expected “unimportant” number of deaths) and ethical points of view, as well as being favored by the strong incentive of involved parties. In the second part of this paper arguments are presented in favor of the hypothesis that placebo (still used in some superiority trials) does not induce adverse effects. The assertion that placebo may induce adverse effects is probably biased by the nature of the clinical experiment. Such a conclusion is supported by studies indicating that placebo-induced adverse effects are disease — and treatment — specific. The modification of clinical trials according to the proposed changes may increase the trials’ sensitivity at detecting adverse effects of drugs. (shrink)

Most people know precious little about the risks and benefits of participating in a clinical trial--a medical research study involving some innovative treatment for a medical problem. Yet millions of people each year participate anyway. Patients at Risk explains the reality: that our current system intentionally hides much of the information people need to make the right choice about whether to participate. Witness the following scenarios: -Hundreds of patients with colon cancer undergo a new form of keyhole surgery (...) at leading cancer centersnever -Tens of thousands of women at high risk of developing breast cancer are asked to participate in a major research study. They are told about the option of having both breasts surgically removed but not told about the option of taking a standard osteoporosis pill that might cut the risk of getting breast cancer by one-half or more. Patients at Risk written by two nationally prominent experts, is the first book to reveal the secrets that many in the research establishment have fought long and hard to keep from patients. It shows why options not commonly knownincluding getting a new treatment outside of a research studycan often be the best choice. It explains how patients can make good decisions even if there is only limited information about a treatments effect. And it does this through the eye-opening stories of what is happening daily to thousands of people. Day after day, we are learning how little we know about what really works. Headlines regularly announce that a previously unquestioned treatmenthormone replacement therapy, drugs such as Vioxx or Celebrexmay now be much riskier than we thought. The latest book in a surge of recent books criticizing the medical establishment (but the first to look at clinical trials specifically), Patients at Risk helps to empower patients to survive in a world of medical uncertainty, and makes positive recommendations for systemic reform. (shrink)

The last 20 years have seen a staggering growth in the practice of off-shoring clinical research to low-and middle-income countries (LICs and MICs), a growth that has been matched by the neoliberal policies adopted by host countries towards attracting trials to their shores. A recurring concern in this context is the charge of exploitation, linked to various aspects of off-shoring. In this paper, I examine Alan Wertheimer's approach and offer an alternative view of understanding exploitation in this context. I (...) will suggest that the justification for the enterprise of research is largely dependent on its integration within a health system from which participants regularly benefit and I argue that an attention to a principle of reciprocity will enable us to better recognize and address exploitation in international research. (shrink)

On 17 July 2012, the European Commission formally adopted a proposal for a new European Union (EU) Directive regarding clinical trials, which will repeal and replace the existing Directive 2001/20/EC. The main reasons for the revision were: (1) the decreasing number of clinical trials in the region and (2) harsh criticism of the present version of the Directive. The proposed regulation could simplify the rules for conducting clinical trials and also rebuild the entire system of clinical (...) trial assessment. However, it seems that we probably have already lost our chance regarding the consistency and quality of functioning of research ethics committees in the EU. (shrink)

The feature of being ‘double blind’, where neither patients nor physicians are aware of who receives the experimental treatment, is universally trumpeted as being a virtue of clinical trials. The rationale for this view is unobjectionable: double blinding rules out the potential confounding influences of patient and physician beliefs. Nonetheless, viewing successfully double blind trials as necessarily superior leads to the paradox that very effective experimental treatments will not be supportable by best (double-blind) evidence. It seems strange that an (...) account of evidence should make a priori judgments that certain claims can never be supported by ‘best evidence’. So far as treatments with large effects go, the claim that they are effective is highly testable and intuitively they should receive greater support from the evidence. In this paper I argue that the two potential confounders ruled out by double blinding are often not actual confounders outside placebo controlled trials of treatments with mild effects and that have subjective outcome measures. (shrink)

Because of historical mistreatment of ethnic minorities by research and medical institutions, it is particularly important for researchers to be mindful of ethical issues that arise when conducting research with ethnic minority populations. In this article, we focus on the ethical issues related to the inclusion of ethnic minorities in clinical trials of psychosocial treatments. We highlight 2 factors, skepticism and mistrust by ethnic minorities about research and current inequities in the mental health care system, that researchers should consider (...) when developing psychosocial interventions studies that include ethnic minorities. (shrink)

The Helsinki Declaration is a very important document regarding the protection of patients’ rights in clinical trials and one of the fundamental sources of operational principles for every ethics committee. Although they have been updated, the international guidelines for ethics committees continually fail to address certain issues pertaining to the protection of patients’ rights in clinical trials. These issues include, most significantly, the method of electing ethics committees (a free, secret ballot should be preferred to direct appointment), the (...) avoidance of conflict of interest during the election of ethics committee members, and the necessary insurance coverage for the participants of clinical trials. Polish law should, on the other hand, be developed in such way as to not limit the effectiveness of ethics committees in protecting patients’ rights in clinical trials. The ideal solution would be to draft a uniform law concerning not only clinical trials, but all medical experiments. The opinions of experts who have been reviewing medical research projects for several years may prove to be especially valuable in this setting. (shrink)

The achievement of optimal therapeutic results presupposes the use of appropriate treatment combined with maximal utilization of placebo effects. These aims may sometimes be difficult to satisfy in randomized clinical trials (RCTs). The question thus arises whether there is a conflict between the goals of therapy and those of experimental research; and if so, to what extent, and how is it handled in practice by clinicians and researchers. Various ethical problems have been discussed in several reports connected with RCTs. (...) But we have found no discussion concerning the conflict between obtaining informed consent and promoting optimal placebo effects. Information about RCTs can be given in various ways. Sometimes appropriate information about RCTs to patients involves non-optimal utilization of placebo effects. This gives rise to ethical and methodological problems, which are discussed in this article. (shrink)

The use of foster children as subjects in the pediatric HIV/AIDS clinical trials has been the subject of media controversy, raising a range of ethical and social dimensions. Several unsettled issues and debates in research ethics underlie the controversy and the lack of consensus among professional researchers on these issues was neither adequately appreciated nor presented in media reports. These issues include (1) the tension between protecting subjects from research risk while allowing them access to the possible benefits of (...) research; (2) the blurring of the potentially conflicting roles of investigator and physician and the boundaries between research and therapy; (3) the adequacy of Institutional Review Board oversight; and (4) trust and the relationships among physicians, investigators and industry. The media controversy about the pediatric HIV/AIDS clinical trials can be seen as a means of “manufacturing mistrust” in health care, research and social services that have not always met the needs and expectations of the public. In an era of emerging infections, it is critical to the public’s health that people understand the role of rigorous and ethical research in the development of safe and effective care. Investigators, journalists and the public need to become knowledgeable about major ethical issues in the conduct of research in order to engage in dialogue about balancing research risks and benefits and to be able to distinguish fact from distortion in an era of multiple and rapid transmission of information. (shrink)

Despite their crucial role in the translation of pre-clinical research into new clinical applications, phase 1 trials involving patients continue to prompt ethical debate. At the heart of the controversy is the question of whether risks of administering experimental drugs are therapeutically justified. We suggest that prior attempts to address this question have been muddled, in part because it cannot be answered adequately without first attending to the way labor is divided in managing risk in clinical trials. (...) In what follows, we approach the question of therapeutic justification for phase 1 trials from the viewpoint of five different stakeholders: the drug regulatory authority, the IRB, the clinical investigator, the referring physician, and the patient. Our analysis shows that the question of therapeutic justification actually raises multiple questions corresponding to the roles and responsibilities of the different stakeholders involved. By attending to these contextual differences, we provide more coherent guidance for the ethical negotiation of risk in phase 1 trials involving patients. We close by discussing the implications of our argument for various perennial controversies in phase 1 trial practice. (shrink)

A probabilistic explication is offered of equipoise and uncertainty in clinical trials. In order to be useful in the justification of clinical trials, equipoise has to be interpreted in terms of overlapping probability distributions of possible treatment outcomes, rather than point estimates representing expectation values. Uncertainty about treatment outcomes is shown to be a necessary but insufficient condition for the ethical defensibility of clinical trials. Additional requirements are proposed for the nature of that uncertainty. The indecisiveness of (...) our criteria for cautious decision-making under uncertainty creates the leeway that makes clinical trials defensible. (shrink)

Philosophy of medicine: between clinical trials and mechanisms Content Type Journal Article Category Book Review Pages 1-4 DOI 10.1007/s11016-011-9630-5 Authors Federica Russo, Philosophy-SECL, University of Kent, Canterbury, CT2 7NF UK Journal Metascience Online ISSN 1467-9981 Print ISSN 0815-0796.

Clinical trials are a central mechanism in the production of medical knowledge. They are the gold standard by which such knowledge is evaluated. They are widespread both in the United States and internationally; a National Institute of Health database reports over 106,000 active industry and government-sponsored trials (National Institutes of Health n.d.). They are an engine of the economy. The work of trials is complex; multiple people with diverse interests working across multiple settings simultaneously participate in them, and they (...) are underwritten by multiple organizational structures and diverse funding mechanisms. In the past several years, concern about the ethics of clinical trials has spiked dramatically .. (shrink)

This paper discusses exceptional circumstances under which patients outside of clinical trials are likely to receive innovative stem cell-based interventions. These circumstances involve: (1) stem cell interventions not initially amenable to a clinical trials approach; (2) expanded access to investigational stem cell products (“compassionate use”); and (3) off-label uses of FDA approved stem cell products. This paper proposes a new approach to regulating these exceptional cases.

La Segunda Guerra Mundial y las atrocidades cometidas en investigaciones con los prisioneros en los campos de concentración nazis y japoneses, despertaron la conciencia por el desarrollo de los derechos humanos que se habían conquistado paulatinamente a lo largo de la historia. Por ello se conforman una serie de leyes, normas y declaraciones donde se tratan los aspectos bioéticos en los ensayos clínicos. Se debe prestar vital atención a la relación médico-paciente en el curso de las investigaciones y considerar la (...) relación beneficio/riesgo cuando se va a experimentar en seres humanos. La retinopatía diabética proliferativa es una de las afecciones oftalmológicas que más ensayos ha suscitado. El objetivo de este trabajo consiste en analizar algunos aspectos éticos en la experimentación en pacientes con esta afección. The Second World War and the atrocities committed in research with prisoners in Japanese and Nazi concentration camps, awakened consciousness for the development of human rights that had gradually been conquered throughout history. That´s why a series of laws, rules and statements that deal with bioethical aspects in clinical trials, were passed. Special attention must be given to the doctor-patient relationship during the research and consider the benefit/risk ratio when conducting experiments on human beings. Proliferative Diabetic Retinopathy is one of the ophthalmological disorders that has given rise to more trials. The research goal is to analyze some ethical aspects when experimenting on patients with this condition. (shrink)

The central dilemma concerning randomized clinical trials (RCTs) arises out of some simple facts about causal methodology (RCTs are the best way to generate the reliable causal knowledge necessary for optimally-informed action) and a prima facie plausible principle concerning how physicians should treat their patients (always do what it is most reasonable to believe will be best for the patient). A number of arguments related to this in the literature are considered. Attempts to avoid the dilemma fail. Appeals to (...) informed consent and mechanisms for minimizing the resulting harm are important for policy, but informed consent is problematic and mechanisms for minimization of harm do not address the dilemma. Appeals to some sort of contract model of justification are promising and illuminating. Keywords: randomized clinical trials, ethics CiteULike Connotea Del.icio.us What's this? (shrink)

The effects of distant, intercessory prayer on health outcomes have been studied in a range of randomised, blinded clinical trials. However, while seeking the evidentiary status accorded this ‘gold standard’ methodology, many prayer studies fall short of the requirements of the World Medical Association's Declaration of Helsinki for the ethical conduct of trials involving human subjects. Within a sample of 15 such studies published in the medical literature, many were found to have ignored or waived key ethical precepts, including (...) adequate standards of care, patient confidentiality and informed consent. Prayer was considered in most studies to pose negligible or no risk to subjects, despite the fact that no clear mechanism of action nor any safety monitoring procedures were described. As a result, many studies did not meet basic ethical standards required of clinical trials of biophysical interventions, making application of their results ethically problematic. If investigators wish their data to adequately inform the use or rejection of intercessory prayer to improve health, these shortcomings should be addressed in future studies. (shrink)

This study described parent participation in the informed consent conference for randomized clinical trials (RCTs) in childhood leukemia and documented the relationship of physician communication to parent participation. Parents of 140 children with newly diagnosed leukemia who were eligible for RCTs were studied at six sites using comprehensive methods involving direct observation and transcripts of parent-physician communication based on audiotapes. Parent participation during the informed consent conference reflected a wide range of content categories. Consistent with hypotheses, Physician Rapport and (...) Partnership Building related to parent participation in the informed consent conference but Information Giving did not. Higher parent socioeconomic status also was related to greater parent participation for two of three measures of parent participation. Findings suggest that physician behaviors that provide support and facilitate communication may enhance parental participation in the informed consent conference for RCTs in childhood leukemia. (shrink)

We studied changes in eligibility criteria--the largest impediment to patient accrual--in two samples of clinical trials. Trials from the NSABP (National Surgical Adjuvant Breast and Bowel Program) and POG (Pediatric Oncology Group) were analyzed. After eliminating duplications, the criteria in each protocol were enumerated and classified according to a novel schema. NSABP trials contained significantly more criteria than POG trials, and added precision criteria (making study populations homogeneous) at a faster rate than POG studies. The difference between NSABP studies (...) (explanatory trials) and POG studies (pragmatic trials) suggest that large numbers of eligibility criteria are not necessary for quality studies. We recommend that: (1) the inclusion/exclusion criteria distinction be abandoned; (2) eligibility criteria be explicitly justified; (3) the need for each criterion be assessed when new trials are planned; (4) criteria in phase III trials restricting patient accrual be minimized; and (5) further research be done to assess the impact of criteria on generalizability. (shrink)

The history of drug/vaccine development has included major advances guided primarily by risk/benefit analyses concerning the innovative agent, not by evidence-based clinical trials (Phase I–IV). Because the approval for new drugs is hindered under the present process, the system requires restructuring. The Phase I/II study period should be more flexible, using the “environment of knowledge” about the new agent, plus risk/benefit assessments. Phase III, as presently constructed, does not add new adverse events data, it provides a narrower profile of (...) drug efficacy than properly done Phase II studies, and placebo-controlled trials continue to raise unresolved ethical and social issues. Phase III studies should be abandoned for most drugs, and substituted with properly powered Phase II doseranging studies plus careful post-marketing surveillance. Phase III should be a penalty for poor drug development, not a regulatory requirement. (shrink)

This paper reviews the usefulness of bioethical instruments such as the informed consent principle to handle ethical and political challenges of clinical trials in genotyping and DNA-banking and discusses an informed request model as well as other contractual relations between research institutions, patients, and their families.

The treatment of the control group in externally sponsored clinical trials is the issue of one of the most heated debates in international research ethics. The paradigmatic cases are the mother-to-child HIV-transmission trials that took place in 16 developing countries in 1997, where the control group received a placebo while proven treatment was available in industrialized countries. From this circumstance results the controversy as to whether the sponsor and researchers of externally sponsored trials have to supply a treatment that (...) is usually not available in the host country. From the beginning of the debate the controversial level of treatment has been called “standard of care”. However, besides the disagreement about the quality of the care that has to be supplied, there is as yet no widely accepted clear meaning of this concept. This article examines the fundamental ambiguity of the term and its formal function as an ethical criterion including suggestions on its further use. (shrink)

Clinical trials of nanotechnology medical products present complex risk management challenges that involve many uncertainties and important risk-risk trade-offs. This paper inquires whether the precautionary principle can help to inform risk management approaches to nanomedicine clinical trials. It concludes that prudent precaution may be appropriate for ensuring the safety of such trials, but that the precautionary principle itself, especially in its more extreme forms, does not provide useful guidance for specific safety measures.

As the potential for the first human trials of somatic cell gene therapy nears, two ethical issues are examined: (1) problems of moral choice for members of institutional review boards who consider the first protocols, for parents, and for the clinical researchers, and the special protections that may be required for the infants and children to be involved, and (2) ethical objections to somatic cell therapy made by those concerned about a putative inevitable progression of genetic knowledge from therapy (...) to mass genetic engineering in human reproduction. The author's viewpoint is that a consensus exists on the required moral approach to somatic cell therapy, but that no moral approach yet exists for experiments beyond this level, especially in the germline cells of human beings. Keywords: gene therapy, somatic cells, germ cells, institutional review boards, genetic engineering CiteULike Connotea Del.icio.us What's this? (shrink)

Globalization, political upheavals, and Western economic struggles have caused a geographical reprioritization in the realm of drug development and human clinical research. Regulatory and cost hurdles as well as a saturation of research sites and subjects in Western countries have forced the pharmaceutical industry to place an unprecedented level of importance on emerging markets, injecting Western corporate initiatives into cultures historically and socially isolated from Western-centric value systems. One of the greatest recipients of this onslaught of Western business and (...) research practices is the Russian Federation. Namely, market forces are dictating a focused research initiative in the traditional emerging markets, but this focus may be at the expense of individual and societal dignity. (shrink)

In recent years, there has been a particular emphasis placed on conducting randomized controlled trials (RCTs) that compare the relative efficacy of psychosocial and pharmacological interventions. This article addresses relevant ethical considerations in the conduct of these treatment trials, with a focus on RCTs with children. Ethical concerns, including therapeutic misconception, treatment preference, therapeutic equipoise, structure of treatments, and balancing risks versus benefits, are introduced through a clinical scenario and discussed as they relate to psychotherapy versus medication RCTs. In (...) each case, suggestions are made for researchers seeking to minimize the impact of these ethical concerns on research participants. (shrink)

How international research might contribute to justice in global health has not been substantively addressed by bioethics. Theories of justice from political philosophy establish obligations for parties from high-income countries owed to parties from low and middle-income countries. We have developed a new framework that is based on Jennifer Ruger's health capability paradigm to strengthen the link between international clinical research and justice in global health. The ‘research for health justice’ framework provides direction on three aspects of international (...) class='Hi'>clinical research: the research target, research capacity strengthening, and post-trial benefits. It identifies the obligations of justice owed by national governments, research funders, research sponsors, and investigators to trial participants and host communities. These obligations vary from those currently articulated in international research ethics guidelines. Ethical requirements of a different kind are needed if international clinical research is to advance global health equity. (shrink)

The author discusses the social influences that gave rise to the presumption in favor of children's participation in research and emphasizes the need for an ethical framework to guide decision-making in this context. Specifically, the author proposes a framework of child-centered bioethics that integrates the core bioethics principles of beneficence and autonomy with an assessment of children's needs and interests. Finally, the author articulates recommendations regarding mature minors and institutional review boards consistent with this framework in order to resolve the (...) difficult ethical issues posed by including children of all ages in clinical drug trials. (shrink)