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NCT00556075 · ClinicalTrials.gov registry record · Phase 2
Safety and Efficacy Study to Evaluate Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis
A Phase 2 study, sponsored by Repros Therapeutics.
- Terminated
- Registry status
- Phase 2
- Development phase
- 67
- Enrollment target
NCT00556075: Clinical Trial Phase 2 study, sponsored by Repros Therapeutics.
NCT00556075 is a Phase 2 study that was terminated before completion, run by Repros Therapeutics. The registered enrollment target is 67 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (50% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00556075, a Phase 2 study, was terminated before completion, sponsored by Repros Therapeutics.
- TERMINATED
- Registry status
- Phase 2
- Development phase
- 67 participants
- Enrollment target
Study Summary
The purpose of this study is to determine whether Proellex is safe and effective for the treatment of symptomatic endometriosis.
Interventions
- DRUG Placebo
- DRUG Proellex 25 mg
- DRUG Proellex 50 mg
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 67 participants |
| Start Date | 2007-11 |
| Est. Completion | 2009-07 |
| Phase | Phase 2 |
Why NCT00556075 stopped before completion
NCT00556075 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 67 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (50% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.
NCT00556075 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00556075 about?
NCT00556075 is a clinical study titled "Safety and Efficacy Study to Evaluate Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis". The purpose of this study is to determine whether Proellex is safe and effective for the treatment of symptomatic endometriosis.
What is the current status of trial NCT00556075?
This trial is currently terminated. It is a Phase 2 study. The enrollment target is 67 participants. The study started on 2007-11. Estimated completion is 2009-07.
What interventions are being tested in trial NCT00556075?
The interventions under investigation include: Placebo (DRUG), Proellex 25 mg (DRUG), Proellex 50 mg (DRUG).
Who is sponsoring clinical trial NCT00556075?
This trial is sponsored by Repros Therapeutics, which has 50 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00556075's enrollment target sits among peer trials
67 974th of 2000 higher than 1,026 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 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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