Efficacy of antidepressants over placebo is similar in two-armed versus three-armed or more-armed randomized placebo-controlled trials.

<h4>Objective</h4> <p>Previous studies reported effect sizes of antidepressants were larger in two- than in three- or more-armed (“multi-armed”) randomized trials, where the probability to be allocated to placebo is smaller. However, two-armed studies may have been subject to publ...

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Bibliographic Details
Main Authors: Ogawa, Y, Furukawa, T, Takeshima, N, Hayasaka, Y, Atkinson, L, Tanaka, S, Cipriani, A, Salanti, G
Format: Journal article
Language:English
Published: Lippincott, Williams and Wilkins 2017