Clinical trials: two neglected ethical issues
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Updated: Nov 8, 2026

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A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
1UK Cochrane Centre, University of Oxford.
Journal of Medical Ethics
|December 1, 1993
Abstract:
Ethical reasons are presented for requiring 1) that a proposal for a clinical trial should be accompanied by a thorough review of all previous trials that have examined the same and closely related questions, and 2) that a trial should be approved by a research ethics committee only if the investigator undertakes to register it in an appropriate register of clinical trials as soon as one exists.
Keywords:
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