On 2nd Try, Vaginal Pain Drug Approved

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FDA has approved a TherapeuticsMD NDA resubmission for Imvexxy (estradiol vaginal inserts) for treating moderate-to-severe dyspareunia (vaginal pain associated with sexual activity), a symptom of vulvar and vaginal atrophy, due to menopause. FDA 5/2017 rejected an earlier submission, raising concern about a lack of long-term endometrial safety data beyond the 12 weeks studied in the pivotal phase 3 Rejoice Trial, the company said at the time (see story). The agency subsequently reversed its decision for more data before approval — a move that may signal the agency’s increasing reliance on real world data. The NDA resubmission was permitted with the company committing to conduct a post-approval observational study

 

Imvexxy is a bio-identical vaginal estrogen product that offers a fraction of the estrogen contained in the average doses of many existing products currently on the market, according to the company. Its mechanism of action is the re-estrogenization of the tissue in and around the vagina, and it is administered daily for two weeks followed by only twice a week dosing. The most common adverse reaction reported in clinical trials was headache. The approval also carries a boxed warning for endometrial cancer, cardiovascular disorders, breast cancer, and probable dementia.

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