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NCT00551616 · ClinicalTrials.gov registry record · Phase 3
Safety and Efficacy of CDB-2914 in Comparison to Levonorgestrel for Emergency Contraception
A Phase 3 study, sponsored by HRA Pharma.
- Completed
- Registry status
- Phase 3
- Development phase
- 2,221
- Enrollment target
NCT00551616: Completed Phase 3 study, sponsored by HRA Pharma.
NCT00551616 is a Phase 3 study that has completed, run by HRA Pharma. The registered enrollment target is 2,221 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (188% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00551616, a Phase 3 study, has completed, sponsored by HRA Pharma.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 2,221 participants
- Enrollment target
Study Summary
The purpose of this study is to assess the safety and efficacy of CDB-2914 in comparison to levonorgestrel for preventing pregnancy up to 5 days after unprotected sexual intercourse.
Primary Outcome
The rate of pregnancy in women who received emergency contraception within 72 h of unprotected sexual intercourse.
Interventions
- DRUG CDB-2914
- DRUG Levonorgestrel
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 2,221 participants |
| Start Date | 2007-04 |
| Est. Completion | 2009-04 |
| Phase | Phase 3 |
What the finished NCT00551616 record still lists
NCT00551616 is an interventional study that assigns participants to a tested intervention. Its 2,221 participants enrollment target places it among the larger protocols in the corpus, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (188% higher).
The record links to 0 conditions, and to 2 interventions - of which CDB-2914 is the first listed.
NCT00551616 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00551616 about?
NCT00551616 is a clinical study titled "Safety and Efficacy of CDB-2914 in Comparison to Levonorgestrel for Emergency Contraception". The purpose of this study is to assess the safety and efficacy of CDB-2914 in comparison to levonorgestrel for preventing pregnancy up to 5 days after unprotected sexual intercourse.
What is the current status of trial NCT00551616?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 2,221 participants. The study started on 2007-04. Estimated completion is 2009-04.
What interventions are being tested in trial NCT00551616?
The interventions under investigation include: CDB-2914 (DRUG), Levonorgestrel (DRUG).
Who is sponsoring clinical trial NCT00551616?
This trial is sponsored by HRA Pharma, which has 9 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00551616's enrollment target sits among peer trials
2,221 95th of 2000 higher than 1,906 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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