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Ethical Rationale for the Ebola "Ring Vaccination" Trial Design
Annette Rid1, Franklin G Miller1
1Annette Rid is with the Department of Social Science, Health & Medicine, King's College London, London, UK. Franklin G. Miller is with the Division of Medical Ethics, Department of Public Health, Weill Cornell Medical College, New York, NY.
The 2014 Ebola epidemic spurred innovative clinical trials. Ring vaccination trials are ethical but ethically similar to placebo-controlled trials regarding intervention withholding.
Area of Science:
- Epidemiology
- Clinical Trials
- Medical Ethics
Background:
- The 2014 Ebola epidemic was the largest recorded outbreak.
- No approved vaccines or specific treatments for Ebola existed at the epidemic's start.
- Global partnership led to rapid clinical trial launches.
Purpose of the Study:
- To scrutinize the ethical rationale behind the ring vaccination design.
- To evaluate the ethical equivalence of ring vaccination and placebo-controlled trials.
- To discuss implications for ongoing and future Ebola research.
Main Methods:
- Analysis of the ethical considerations for the ring vaccination design.
- Comparison of the ethical implications of ring vaccination versus placebo-controlled trials.
- Discussion of the operational, scientific, and ethical reasons for choosing the ring vaccination design.
Main Results:
- The ring vaccination design is deemed ethical.
- The design is fundamentally equivalent to placebo-controlled designs in withholding potentially effective interventions.
- Ethical superiority over placebo-controlled designs is questioned.
Conclusions:
- Ring vaccination trials are ethically acceptable.
- Ethical considerations necessitate careful comparison with placebo-controlled designs.
- Further research and discussion are needed regarding the ethical implications of trial designs in epidemics.
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