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NCT01728454 · ClinicalTrials.gov registry record · Phase 2

Safety and Efficacy of Telapristone Acetate (Proellex®) in the Treatment of Pre-Menopausal Women With Confirmed, Symptomatic Endometriosis

A Phase 2 study, sponsored by Repros Therapeutics.

Completed
Registry status
Phase 2
Development phase
60
Enrollment target

NCT01728454: Completed Phase 2 study, sponsored by Repros Therapeutics.

NCT01728454 is a Phase 2 study that has completed, run by Repros Therapeutics. The registered enrollment target is 60 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (55% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01728454, a Phase 2 study, has completed, sponsored by Repros Therapeutics.

COMPLETED
Registry status
Phase 2
Development phase
60 participants
Enrollment target

Study Summary

The primary purpose of this study is to determine the safety and efficacy of two oral doses of telapristone acetate administered to premenopausal women with pelvic pain associated with endometriosis confirmed within the last seven years and using prescription analgesics for symptomatic pain.

Primary Outcome

The BBSS scale defined dysmenorrhea according to the loss of work efficiency and need for bed rest. The dysmenorrhea was graded on a scale from 0 to 3 where, 0 = None; 1 = Mild (some loss in work efficiency); 2 = Moderate (in bed part of the day, occasional loss of work efficiency); 3 = Severe (in bed one or more days, incapacitation), with higher scores indicating more severe symptoms. Participants were provided with a daily diary to record information about participant-reported scores for endo

Interventions

  • DRUG Placebo
  • DRUG Telapristone acetate

Trial Details

FieldValue
Enrollment Target 60 participants
Start Date 2013-05-02
Est. Completion 2017-03-15
Phase Phase 2
Repros Therapeutics

50 total trials

What the finished NCT01728454 record still lists

NCT01728454 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (55% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT01728454 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01728454 about?

NCT01728454 is a clinical study titled "Safety and Efficacy of Telapristone Acetate (Proellex®) in the Treatment of Pre-Menopausal Women With Confirmed, Symptomatic Endometriosis". The primary purpose of this study is to determine the safety and efficacy of two oral doses of telapristone acetate administered to premenopausal women with pelvic pain associated with endometriosis confirmed within the last seven years and using prescription analgesics for symptomatic pain.

What is the current status of trial NCT01728454?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 60 participants. The study started on 2013-05-02. Estimated completion is 2017-03-15.

What interventions are being tested in trial NCT01728454?

The interventions under investigation include: Placebo (DRUG), Telapristone acetate (DRUG).

Who is sponsoring clinical trial NCT01728454?

This trial is sponsored by Repros Therapeutics, which has 50 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01728454's enrollment target sits among peer trials

60 1027th of 2000 higher than 868 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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Source: ClinicalTrials.gov NCT01728454, the US trial registry maintained by the National Library of Medicine. NCT01728454 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.