Overview Pharmacokinetic Study of the Dapivirine Vaginal Ring in Lactating Women Status: Completed Trial end date: 2018-03-03 Target enrollment: Participant gender: Summary Phase 1 PK Study of the Dapivirine Vaginal Ring in Lactating Women. Phase: Phase 1 Details Lead Sponsor: International Partnership for Microbicides, Inc.Treatments: Dapivirine