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Prospective Multi-Center Trial for FemBloc Permanent Birth Control

RecruitingHealthy volunteers welcome

FINALE: Prospective Multi-Center Trial for FemBloc INtratubal Occlusion for TranscervicAL PErmanent Birth Control

Who can join

Ages 21 to 50 · Women · Healthy volunteers welcome

Full eligibility criteria

Inclusion Criteria:

* 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.

Exclusion Criteria:

* 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.

About the study

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

What is being tested

FemBloc (device)

Sponsor: Femasys Inc. · Participants: 573 · Started: Oct 31, 2023

Contact the study team

Study Director · Phone: 770-500-3910 Ext. 146

Official record on ClinicalTrials.gov — NCT05977751

Locations in the U.S.

Arizona	New Horizons Clinical Trials, Chandler
California	Stanford University, Palo Alto University of California Davis, Sacramento
Georgia	Midtown OB GYN North, Columbus
Idaho	Rosemark WomenCare Specialists, Idaho Falls
New York	Maimonides Medical Center, Brooklyn Columbia University Medical Center, New York
Ohio	Seven Hills Women's Health Centers, Cincinnati
Tennessee	Chattanooga Medical Research LLC, Chattanooga
Utah	University of Utah, Salt Lake City

From ClinicalTrials.gov, data retrieved Sep 29, 2026. Each study sets its own eligibility; the study team decides who can join.