New vaginal ring could help prevent early births – first human tests begin
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This early-stage study tests a new vaginal ring that releases the hormone progesterone. Researchers want to see how much progesterone gets into the blood over 14 days. The study involves 60 healthy postmenopausal women and compares two ring doses to a standard insert. This is not…
Phase: PHASE1 • Sponsor: Daré Bioscience, Inc. • Aim: Knowledge-focused
Last updated May 08, 2026 12:02 UTC