Prospective Multi-Center Trial for FemBloc Permanent Birth Control

Recruiting now · Not applicable

Conditions studied: Contraception

In brief

Prospective, multi-center, international, unblinded, single-arm trial of subjects undergoing FemBloc followed by ultrasound confirmation test.

Key facts

Study ID

NCT05977751

Run by

Femasys Inc.

People needed

573

Starts

2023-10-31

Expected to finish

2031-06-01

Last updated by the study team

2026-03-03

Who can join

Age: 21 and older, up to 50. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• Female, 21 - 50 years of age desiring permanent birth control.
• Sexually active with male partner.
• Regular menstrual cycle for last 3 months or on hormonal contraceptives.

You may not qualify if…

• Uncertainty about the desire to end fertility.
• Known or suspected pregnancy.
• Prior tubal surgery, including sterilization attempt.
• Presence, suspicion, or previous history of gynecologic malignancy.
• Scheduled to undergo concomitant intrauterine procedures (i.e. endometrial ablation) at the time of either FemBloc Treatment or prior to final confirmation test.
• Abnormal uterine bleeding requiring evaluation or treatment.

Where it is running

• New Horizons Clinical Trials — Chandler, Arizona, United States (enrolling)
• Stanford University — Palo Alto, California, United States (enrolling)
• University of California Davis — Sacramento, California, United States (enrolling)
• Midtown OB GYN North — Columbus, Georgia, United States (enrolling)
• Rosemark WomenCare Specialists — Idaho Falls, Idaho, United States (enrolling)
• Maimonides Medical Center — Brooklyn, New York, United States (enrolling)
• Seven Hills Women's Health Centers — Cincinnati, Ohio, United States (enrolling)
• University of Utah — Salt Lake City, Utah, United States (enrolling)

Full record on ClinicalTrials.gov

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