Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
NCT00271583 · ClinicalTrials.gov registry record · Phase 2
Efficacy Trial of CDB 2914 for Emergency Contraception
A Phase 2 study of Emergency Contraception, sponsored by University of Pittsburgh.
- Completed
- Registry status
- Phase 2
- Development phase
- 1,672
- Enrollment target
- 6
- Study locations
NCT00271583: Completed Phase 2 study of Emergency Contraception, sponsored by University of Pittsburgh.
NCT00271583 is a Phase 2 study of Emergency Contraception that has completed, run by University of Pittsburgh. The registered enrollment target is 1,672 participants, above the 1,148-participant average among 3 other Emergency Contraception trials with a reported enrollment target (46% higher). The trial reports 6 study locations across 6 states. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00271583, a Phase 2 study of Emergency Contraception, has completed, sponsored by University of Pittsburgh.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 1,672 participants
- Enrollment target
- 6
- Study locations
Study Summary
Objective: To compare the efficacy, safety and tolerance of a 50 mg dose of a new antiprogestin, CDB-2914 with a 0.75 mg bid dose of levonorgestrel as emergency contraception Design: Multicenter, randomized, double blind Phase II study to compare a 50 mg dose of CDB-2914 to a 0.75 mg bid dose of levonorgestrel as emergency contraception Subjects are randomized to receive a one-time treatment with either one dose of 50 mg CDB-2914 (followed 12 hours later by a placebo) or 2 doses of 0.75 mg of levonorgestrel with follow-up visits at 5-7 days after expected onset of menses and another visit at 12-14 days after expected onset of menses (if needed) The primary aim is to evaluate the efficacy of CDB-2914 used by subjects as an emergency postcoital contraceptive in comparison to a group of subjects receiving levonorgestrel.
Conditions Studied
Interventions
- DRUG CDB-2914
- DRUG levonorgestrel
Study Locations (6)
California
- California Family Health Council - Los Angeles
Colorado
- University of Colorado - Denver
New York
- New York University - New York
Ohio
- University of Cincinnati - Cincinnati
Pennsylvania
- University of Pittsburgh - Pittsburgh
Virginia
- Eastern Virginia Medical School - Norfolk
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 1,672 participants |
| Start Date | 1999-09 |
| Est. Completion | 2001-09 |
| Phase | Phase 2 |
What the finished NCT00271583 record still lists
NCT00271583 is an interventional study that assigns participants to a tested intervention. Its 1,672 participants enrollment target places it among the larger protocols in the corpus, above the 1,148-participant average among 3 other Emergency Contraception trials with a reported enrollment target (46% higher).
The record links to 1 condition, with Emergency Contraception appearing as the primary indexed condition, and to 2 interventions - of which CDB-2914 is the first listed.
NCT00271583 lists 6 locations in 6 states (California, Colorado, New York).
Frequently Asked Questions
What is clinical trial NCT00271583 about?
NCT00271583 is a clinical study titled "Efficacy Trial of CDB 2914 for Emergency Contraception". Objective: To compare the efficacy, safety and tolerance of a 50 mg dose of a new antiprogestin, CDB-2914 with a 0.75 mg bid dose of levonorgestrel as emergency contraception Design: Multicenter, randomized, double blind Phase II study to compare a 50 mg dose of CDB-2914 to a 0.75 mg bid dose of le...
What is the current status of trial NCT00271583?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 1,672 participants. The study started on 1999-09. Estimated completion is 2001-09.
What conditions does trial NCT00271583 study?
This clinical trial studies the following conditions: Emergency Contraception.
What interventions are being tested in trial NCT00271583?
The interventions under investigation include: CDB-2914 (DRUG), levonorgestrel (DRUG).
Who is sponsoring clinical trial NCT00271583?
This trial is sponsored by University of Pittsburgh, which has 1,238 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00271583 being conducted?
This trial has 6 study locations across California, Colorado, New York, Ohio, Pennsylvania. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Emergency Contraception
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Nationwide trials with similar profiles
Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.
Similar enrollment target
- NCT04852887 · 1,670 participants · Phase 3
De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)
- NCT06644625 · 1,665 participants
CHAAMP (CHArlotte Advocate MGUS Project) Internal Pilot Study
- NCT06376565 · 1,680 participants · NA
Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps
- NCT06034405 · 1,663 participants
Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis
Similar registry start date
- NCT05988463 · started 2027-01-01 · Phase 1
Dose-Escalation Study of Artesunate Patients With IPF
- NCT07219706 · started 2026-12-10 · NA
Dietary Fiber and Time Restricted Eating
- NCT02831335 · started 2026-12-01
Technical Development of Multi-Parametric Renocerebral MRI
- NCT05962346 · started 2026-12 · NA
Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia