Placebo response in phase 2 and 3 trials of systemic and biological therapies for atopic dermatitis—a systematic review and meta‐analysis

A growing number of clinical trials of biological and systemic therapies have been conducted within adult atopic dermatitis (AD). No study has yet examined and meta‐analysed the pooled placebo response in AD. We performed a systematic review and meta‐analysis to examine the placebo response in clinical trials evaluating the effect of systemic and biological therapies in adult AD and compared it to results from clinical trials in psoriasis. Two...