Overview A Pharmacokinetic Study to Evaluate the Bioequivalence of 2 Progesterone Vaginal Rings in Postmenopausal Women Status: Completed Trial end date: 2014-08-01 Target enrollment: Participant gender: Summary A study to assess the pharmacokinetics of 2 progesterone vaginal rings in postmenopausal women Phase: Phase 1 Details Lead Sponsor: Teva Branded Pharmaceutical Products R&D, Inc.Teva Branded Pharmaceutical Products, R&D Inc.Treatments: Progesterone