Premier Research
Clinical trials sponsored by Premier Research, explained in plain language.
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New birth control shot tested in women
Disease control OngoingThis early-stage study tests a new injectable birth control called levonorgestrel butanoate in 136 healthy women aged 18 to 40. The goal is to see how the drug works in the body and how well it prevents pregnancy. Participants receive one of three doses by injection under the ski…
Phase: PHASE1 • Sponsor: Premier Research • Aim: Disease control
Last updated May 17, 2026 08:48 UTC
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New daily pill for birth control study pulled before start
Disease control TerminatedThis study planned to test a daily pill called ulipristal acetate (UPA) as a birth control method for healthy women aged 18 to 35. Researchers wanted to see how well it prevents pregnancy and if it is safe to use for 6 months. However, the study was withdrawn before any participa…
Phase: PHASE2 • Sponsor: Premier Research • Aim: Disease control
Last updated May 13, 2026 16:03 UTC