In an ongoing real-world Phase 4 study of nonhormonal therapy including fezolinetant, a washout period for hormone therapy of ≥ 10 days is required. In Phase 3 registration trials, washout periods for hormone therapy ranged from one week to six months, dependent on formulation
Lederman S, Ottery FD, Cano A, et al. Fezolinetant for treatment of moderate-to-severe vasomotor symptoms associated with menopause (SKYLIGHT 1): a phase 3 randomised controlled study. Lancet. 2023;401(10382):1091-1102. https://dx.doi.org/10.1016/s0140-6736(23)00085-5.
Johnson KA, Martin N, Nappi RE, et al. Efficacy and Safety of Fezolinetant in Moderate to Severe Vasomotor Symptoms Associated With Menopause: A Phase 3 RCT. J Clin Endocr Metab. 2023;108(8):1981-1997. https://dx.doi.org/10.1210/clinem/dgad058.
Neal-Perry G, Cano A, Lederman S, et al. Safety of Fezolinetant for Vasomotor Symptoms Associated With Menopause: A Randomized Controlled Trial. Obstet Gynecol. 2023;141(4):737-747. https://dx.doi.org/10.1097/aog.0000000000005114.
Data on file.
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