Premier Research
Clinical trials sponsored by Premier Research, explained in plain language.
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New daily birth control pill study pulled before it started
Disease control TerminatedThis study was designed to test whether taking 10 mg of ulipristal acetate every day could prevent pregnancy. It planned to enroll healthy women aged 18 to 35. However, the trial was withdrawn before any participants were enrolled, so no results are available.
Phase: PHASE2 • Sponsor: Premier Research • Aim: Disease control
Last updated Jun 27, 2026 07:59 UTC
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New birth control shot shows promise in early trial
Disease control OngoingThis early-stage study tested a new injectable birth control called levonorgestrel butanoate (LB) in 136 healthy women aged 18-40. The goal was to see how the body processes the drug and how it affects ovulation. Participants received one of three doses by injection into muscle o…
Phase: PHASE1 • Sponsor: Premier Research • Aim: Disease control
Last updated Jun 27, 2026 07:55 UTC