Bayer Files NDA for Menopause Drug

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FDA has accepted a Bayer NDA for elinzanetant, a non-hormonal investigational compound for treating moderate-to-severe vasomotor symptoms (VMS, also known as hot flashes) associated with menopause. The submission is based on the positive results from the OASIS Phase 3 studies evaluating elinzanetant versus placebo. Bayer says the findings showed a significant reduction in VMS for those taking elinzanetant compared to placebo. “In addition, improvements were seen in measures of sleep disturbances and menopause-related quality of life with elinzanetant use over 52 weeks,” according to the company.

Elinzanetant is described as the first dual neurokinin-1 and 3 receptor antagonist that works by modulating a group of estrogen sensitive neurons in the hypothalamus region of the brain (the KNDy neurons). When the neurons experience a decrease in estrogen,they “become hypertrophic and lead to a hyperactivation of the thermoregulatory pathway, consequently disrupting body heat control mechanisms resulting in VMS, Bayer says.

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