alexa Placebo-controlled trials and active-control trials in the evaluation of new treatments. Part 2: practical issues and specific cases.
Clinical Research

Clinical Research

Journal of Clinical Research & Bioethics

Author(s): Ellenberg SS, Temple R

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Placebo controls are commonly used in clinical trials of investigational treatments because they have important advantages. In recent years, some have criticized the use of placebo-controlled trials when effective alternative therapy exists, regardless of the expected effect of the therapy. In part 1 of this paper, ethical arguments are addressed and the interpretive problems inherent in the use of active-control equivalence trials to establish efficacy of a new treatment are clarified. However, uncertainties may complicate decisions about appropriate use of placebo controls in some situations. Part 2 discusses more fully the ethical considerations for using placebo controls in particular medical settings. The value and relevance of placebo-controlled trials of new agents in situations in which proven effective therapy is available are also explored.

This article was published in Ann Intern Med and referenced in Journal of Clinical Research & Bioethics

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