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Limits on risks for healthy volunteers in biomedical research
1National Institute for Environmental Health Sciences, National Institutes of Health, Box 12233, Mail Drop CU-03, Research Triangle Park, NC 27709, USA. resnikd@niehs.nih.gov
Biomedical research should limit risks for healthy volunteers to protect participants. A proposed guideline suggests no more than a 1% chance of serious harm in clinical studies.
Area of Science:
- Bioethics
- Clinical Research Ethics
- Human Subject Protection
Background:
- Healthy volunteers in biomedical research often face significant risks without direct medical benefit.
- Current U.S. and international regulations lack explicit limits on risks for healthy research participants.
- The ethical justification for risk in healthy volunteer research is complex, often involving soft paternalism due to incomplete understanding of risks.
Purpose of the Study:
- To argue for the necessity of establishing risk limits in biomedical research involving healthy volunteers.
- To propose a specific risk threshold to safeguard participants, institutions, and the scientific community.
- To provide a framework for oversight bodies and investigators regarding acceptable risk levels.
Main Methods:
- The essay presents a philosophical argument for risk limitation in human subject research.
- It analyzes the ethical considerations of risk exposure for healthy volunteers.
- A specific risk threshold (1% chance of serious harm) is proposed as a guideline.
Main Results:
- The proposed 1% risk threshold for serious harm aims to protect healthy volunteers without unduly hindering valuable research.
- This guideline establishes a clear upper boundary for acceptable risk in clinical studies involving healthy participants.
- Exceptions are considered for research addressing compelling public health issues, with rigorous oversight.
Conclusions:
- Implementing risk limits, such as the proposed 1% threshold, is crucial for protecting healthy volunteers in biomedical research.
- This standard offers guidance for ethical review committees and researchers, promoting responsible conduct.
- While not an absolute rule, the proposed limit enhances transparency and public trust in research involving human participants.
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