New vaginal ring aims to offer reliable birth control

NCT ID NCT00455156

Completed Disease control Sponsor: Premier Research Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a new vaginal ring that releases hormones to prevent pregnancy. About 1,200 healthy women aged 18-40 used the ring for one year. Researchers measured how well it worked and checked for side effects.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CONTRACEPTION

Contacts and locations

Locations

Baystate Medical Center

Springfield, Massachusetts, 01199, United States
California Family Health Council

Los Angeles, California, 90010, United States
Columbia University

New York, New York, 10032, United States
Contraceptive Research and Programs

Baltimore, Maryland, 21224, United States
Jones Institute of Repro Medicine, EVMS

Norfolk, Virginia, 23507, United States
MacDonald Physicians, Inc.

Cleveland, Ohio, 44124, United States
Magee-Womens Hospital

Pittsburgh, Pennsylvania, 15213, United States
NYU Medical Center Family Planning Division

New York, New York, 10016, United States
Oregon Health Sciences University

Portland, Oregon, 97201, United States
The Ohio State University

Columbus, Ohio, 43210, United States
UT Southwestern Medical Center; Division of Community Women's Health Care

Dallas, Texas, 75235, United States
University of Cincinnati College of Medicine

Cincinnati, Ohio, 45267, United States
University of Colorado - Adv. Repro. Med.

Denver, Colorado, 80010, United States
University of Kentucky

Lexington, Kentucky, 40536-0293, United States
University of Pennsylvania Medical Center

Philadelphia, Pennsylvania, 19104, United States

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