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Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

ClinicalTrials.gov ID: NCT00477633

Public ClinicalTrials.gov record NCT00477633. 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.

ClinicalTrials.gov public records Last synced Nov 6, 2026, 6:18 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open Label Study of the Contraceptive Efficacy of Norethindrone and Ethinyl Estradiol.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a non-comparative study. the primary objective of the study is to assess the efficacy of a low dose oral contraceptive in the prevention of pregnancy. The secondary objectives are to assess the incidence of intracyclic bleeding; and to assess the safety and tolerability of the product.

Study identification

NCT ID
NCT00477633
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Warner Chilcott
Industry
Enrollment
1,700 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 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
Jun 2007 (Type not available)
Primary completion
Jan 2009 (Actual)
Completion
Feb 2009 (Actual)
Last update posted
Apr 22, 2013

2007 – 2009

United States locations

U.S. sites
63
U.S. states
22
U.S. cities
56
Facility City State ZIP Site status
Warner Chilcott Investigational Site Chandler Arizona 85224 —
Warner Chilcott Investigational Site Phoenix Arizona 85032 —
Warner Chilcott Investigational Site Phoenix Arizona 85037 —
Warner Chilcott Investigational Site Phoenix Arizona 85050 —
Warner Chilcott Investigational Site Tempe Arizona 85282 —
Warner Chilcott Investigational Site Tucson Arizona 85712 —
Warner Chilcott Investigational Site San Diego California 92103 —
Warner Chilcott Investigational Site San Diego California 92108 —
Warner Chilcott Investigational Site Vista California 92083 —
Warner Chilcott Investigational Site Castle Rock Colorado 80108 —
Warner Chilcott Investigational Site Denver Colorado 80218 —
Warner Chilcott Investigational Site Lakewood Colorado 80228 —
Warner Chilcott Investigational Site Boynton Beach Florida 33472 —
Warner Chilcott Investigational Site Brooksville Florida 34613 —
Warner Chilcott Investigational Site Clearwater Florida 33759 —
Warner Chilcott Investigational Site Gainesville Florida 32607 —
Warner Chilcott Investigational Site Jacksonville Florida 32207 —
Warner Chilcott Investigational Site Leesburg Florida 34748 —
Warner Chilcott Investigational Site Miami Florida 33143 —
Warner Chilcott Investigational Site Miami Florida 33186 —
Warner Chilcott Investigational Site Pembroke Pines Florida 33021 —
Warner Chilcott Investigational Site St. Petersburg Florida 33709 —
Warner Chilcott Investigational Site West Palm Beach Florida 33401 —
Warner Chilcott Investigational Site West Palm Beach Florida 33409 —
Warner Chilcott Investigational Site Decatur Georgia 30034 —
Warner Chilcott Investigational Site Champaign Illinois 61820 —
Warner Chilcott Investigational Site Peoria Illinois 61615 —
Warner Chilcott Investigational Site Indianapolis Indiana 46250 —
Warner Chilcott Investigational Site Arkansas City Kansas 67005 —
Warner Chilcott Investigational Site Wichita Kansas 67207 —
Warner Chilcott Investigational Site Lexington Kentucky 40509 —
Warner Chilcott Investigational Site Louisville Kentucky 40291 —
Warner Chilcott Investigational Site Amite Louisiana 70422 —
Warner Chilcott Investigational Site Marrero Louisiana 70072 —
Warner Chilcott Investigational Site Chaska Minnesota 55318 —
Warner Chilcott Investigational Site Berlin New Jersey 08009 —
Warner Chilcott Investigational Site Edison New Jersey 08817 —
Warner Chilcott Investigational Site Lawrenceville New Jersey 08648 —
Warner Chilcott Investigational Site Moorestown New Jersey 08051 —
Warner Chilcott Investigational Site New York New York 10016 —
Warner Chilcott Investigational Site Cary North Carolina 27511 —
Warner Chilcott Investigational Site New Bern North Carolina 28562 —
Warner Chilcott Investigational Site Raleigh North Carolina 27612 —
Warner Chilcott Investigational Site Winston-Salem North Carolina 27103 —
Warner Chilcott Investigational Site Cleveland Ohio 44122 —
Warner Chilcott Investigational Site Oklahoma City Oklahoma 73112 —
Warner Chilcott Investigational Site Medford Oregon 97504 —
Warner Chilcott Investigational Site Philadelphia Pennsylvania 19114 —
Warner Chilcott Investigational Site Pittsburgh Pennsylvania 15206 —
Warner Chilcott Investigational Site Pottstown Pennsylvania 19464-3224 —
Warner Chilcott Investigational Site Columbia South Carolina 29201 —
Warner Chilcott Investigational Site Austin Texas 78748 —
Warner Chilcott Investigational Site Austin Texas 78759 —
Warner Chilcott Investigational Site Dallas Texas 75234 —
Warner Chilcott Investigational Site Houston Texas 77030 —
Warner Chilcott Investigational Site San Antonio Texas 78229 —
Warner Chilcott Investigational Site Magna Utah 84044 —
Warner Chilcott Investigational Site Salt Lake City Utah 84109 —
Warner Chilcott Investigational Site Salt Lake City Utah 84121 —
Warner Chilcott Investigational Site West Valley City Utah 84120 —
Warner Chilcott Investigational Site Norfolk Virginia 23507 —
Warner Chilcott Investigational Site Richmond Virginia 23233 —
Warner Chilcott Investigational Site Virginia Beach Virginia 23456 —

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 NCT00477633, 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 Apr 22, 2013 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00477633 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →