New Hormone-Free ring could change birth control

NCT ID NCT06127199

Recruiting now Disease control Sponsor: Daré Bioscience, Inc. Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 25, 2026 · Updated 29 times

Summary

This study tests Ovaprene, a non-hormonal vaginal ring, to see how well it prevents pregnancy. About 656 women aged 18-40 who are sexually active and at risk for pregnancy will use the ring for 13 menstrual cycles. The goal is to measure pregnancy rates and check safety and user satisfaction.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••
Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Amicis Research Center
ACTIVE_NOT_RECRUITING

Newhall, California, 91321, United States
Boston Medical Center
COMPLETED

Boston, Massachusetts, 02118, United States
Carolina Women's Research and Wellness Center
COMPLETED

Durham, North Carolina, 27713, United States
Case Western
COMPLETED

Cleveland, Ohio, 44106, United States
Columbia University
COMPLETED

New York, New York, 10032, United States
Del Sol Research Management, LLC
RECRUITING

Tucson, Arizona, 85715, United States

Contact

Contact Phone: •••-•••-•••• Email: •••••@•••••
Eastern Virginia Medical School
COMPLETED

Norfolk, Virginia, 23507, United States
Einstein College of Medicine
COMPLETED

The Bronx, New York, 10461, United States
Emory University
COMPLETED

Atlanta, Georgia, 30322, United States
Essential Access Health
COMPLETED

Los Angeles, California, 90010, United States
Essential Health Access (Berkeley)
COMPLETED

Berkeley, California, 94710, United States
Magee-Women's Hospital
COMPLETED

Pittsburgh, Pennsylvania, 15213, United States
MomDoc Women's Health Research
ACTIVE_NOT_RECRUITING

Scottsdale, Arizona, 85251, United States
Oregon Health and Science University
COMPLETED

Portland, Oregon, 97239, United States
Praetorian Pharmaceutical Research, LLC
ACTIVE_NOT_RECRUITING

Marrero, Louisiana, 70072, United States
Precision Trials AZ
RECRUITING

Phoenix, Arizona, 85032, United States

Contact Phone: •••-•••-•••• Email: •••••@•••••

Contact
Rutgers Medical Center
COMPLETED

Newark, New Jersey, 07103, United States
Seattle Clinical Research Center
RECRUITING

Seattle, Washington, 98104, United States

Contact

Contact Phone: •••-•••-•••• Email: •••••@•••••
The Johns Hopkins University
COMPLETED

Baltimore, Maryland, 21224, United States
University of California at Davis
COMPLETED

Sacramento, California, 95817, United States
University of California, San Francisco
WITHDRAWN

San Francisco, California, 94143, United States
University of Cincinnati
COMPLETED

Cincinnati, Ohio, 45267, United States
University of Colorado Denver
COMPLETED

Aurora, Colorado, 80045, United States
University of Hawaii
COMPLETED

Honolulu, Hawaii, 96826, United States
University of Pennsylvania Penn Obstetric Gynecology Associates
COMPLETED

Philadelphia, Pennsylvania, 19104, United States
University of Utah
COMPLETED

Salt Lake City, Utah, 84132, United States
Washington University
COMPLETED

St Louis, Missouri, 63110, United States

Conditions

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CONTRACEPTION