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Prospective Multi-Center Trial for FemBloc Permanent Birth Control

Femasys Inc. · NCT05977751

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 21–50 · Women only
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
573
US sites recruiting
12
Study start
October 31, 2023
Record last updated
October 23, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

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

Being studied: FemBloc

Conditions: Contraception

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full 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.

Recruiting US locations

  • New Horizons Clinical Trials

    Chandler, AZ 85224

    Site contact: Research Coordinator · 480-496-2236 · sflores@womenshealthaz.com

  • Stanford University

    Palo Alto, CA 94304

    Site contact: Research Coordinator · 650-497-5175 · mrodrig@stanford.edu

  • University of California Davis

    Sacramento, CA 95817

    Site contact: Research Coordinator · 916-734-6846 · obgyncrcs@health.ucdavis.edu

  • Midtown OB GYN North

    Columbus, GA 31909

    Site contact: Research Coordinator · 706-320-2547 · rebeccaw@midtownob.com

  • Atrium Health Navicent

    Macon, GA 31201

    Site contact: Research Coordinator · 478-633-1522 · Jennifer.Crawford3@Advocatehealth.org

  • Rosemark WomenCare Specialists

    Idaho Falls, ID 83404

    Site contact: Research Coordinator · 208-557-2924 · nramirez@rosemark.net

  • Maimonides Medical Center

    Brooklyn, NY 11219-2919

    Site contact: Research Coordinator · 718-283-7962 · NRobins@maimo.org

  • Columbia University Medical Center/NYPH

    New York, NY 10032

    Site contact: Research Coordinator · 212-305-9672 · na2678@cumc.columbia.edu

  • Seven Hills Women's Health Centers

    Cincinnati, OH 45242

    Site contact: Research Coordinator · 513-290-3221 · btillman.shcrg@gmail.com

  • Chattanooga Medical Research LLC

    Chattanooga, TN 37412

    Site contact: Research Coordinator · 423-648-7794 · cbryars@chattmedresearch.com

  • Baylor Scott & White Research Institute

    Temple, TX 76508

    Site contact: Research Coordinator · 254-724-7727 · Michelle.Vanecek@BSWHealth.org

  • University of Utah

    Salt Lake City, UT 84108

    Site contact: Research Coordinator · 801-231-2774 · amy.orr@hsc.utah.edu

Study contacts (from the official record)

  • Study Director · 770-500-3910 Ext. 146 · StudySupport@Femasys.com
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Prospective Multi-Center Trial for FemBloc Permanent Birth Control (NCT05977751) | Bored Studies