FemBloc® Permanent Contraception - Early Pivotal Trial
Public ClinicalTrials.gov record NCT03433911. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
BLOC: Prospective Multi-Center Office Based Bi-Lateral Tubal Occlusion Trial for Female Permanent Contraception
Study identification
- NCT ID
- NCT03433911
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Femasys Inc.
- Industry
- Enrollment
- 240 participants
Conditions and interventions
Conditions
Interventions
- FemBloc Device
- Laparoscopic bilateral tubal sterilization Procedure
Device · Procedure
Eligibility (public fields only)
- Age range
- 21 Years to 45 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 1, 2018
- Primary completion
- Jan 30, 2020
- Completion
- Feb 9, 2025
- Last update posted
- Feb 26, 2026
2018 – 2025
United States locations
- U.S. sites
- 12
- U.S. states
- 11
- U.S. cities
- 12
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| New Horizons Clinical Trials | Chandler | Arizona | 85224 | — |
| Stanford University | Stanford | California | 94305 | — |
| Altus Research Inc. | Lake Worth | Florida | 33461 | — |
| Rosemark Womencare Specialists | Idaho Falls | Idaho | 83404 | — |
| Women's Health Advantage | Fort Wayne | Indiana | 46825 | — |
| Rutgers, The State University of New Jersey | Newark | New Jersey | 07103 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| Wake Research Associates, LLC | Raleigh | North Carolina | 27612 | — |
| University Hospitals Cleveland Medical Center | Beachwood | Ohio | 44122 | — |
| Amy Brenner MD & Associates | Mason | Ohio | 45069 | — |
| Chattanooga Medical Research LLC | Chattanooga | Tennessee | 37404 | — |
| University of Utah | Salt Lake City | Utah | 84132 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03433911, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 26, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03433911 live on ClinicalTrials.gov.