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Safety and Efficacy Study to Evaluate Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis
This study has been completed.
First Received: November 7, 2007   Last Updated: August 11, 2009   History of Changes
Sponsor: Repros Therapeutics Inc.
Information provided by: Repros Therapeutics Inc.
ClinicalTrials.gov Identifier: NCT00556075
  Purpose

The purpose of this study is to determine whether Proellex is safe and effective for the treatment of symptomatic endometriosis.


Condition Intervention Phase
Endometriosis
Drug: Proellex 25 mg
Drug: Placebo
Drug: Proellex 50 mg
Phase II

Study Type: Interventional
Study Design: Treatment, Randomized, Double Blind (Subject, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Safety/Efficacy Study
Official Title: A Phase II, Three-Arm, Parallel Design, Dose-Ranging Placebo-Controlled, Randomized, Double-Blind, Multicenter Study Evaluating the Safety and Efficacy of Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis

Resource links provided by NLM:


Further study details as provided by Repros Therapeutics Inc.:

Primary Outcome Measures:
  • Difference between the 50 mg Proellex group and placebo group in the Month 4 subject diary composite pain score [ Time Frame: 4 months ] [ Designated as safety issue: No ]
  • Difference between the 25 mg and 50 mg Proellex groups and placebo group in the Month 4 subject diary composite pain score [ Time Frame: 4 months ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Difference between each treatment group in the subject diary composite pain score at the monthly visits [ Time Frame: monthly ] [ Designated as safety issue: No ]
  • Time to pain-free assessments using the composite pain score as determined by data recorded in the subject diaries [ Time Frame: days ] [ Designated as safety issue: No ]
  • Duration of pain-free assessments using the composite pain score as determined by data recorded in the subject diaries [ Time Frame: days ] [ Designated as safety issue: No ]
  • The number of days with pain as determined by data recorded in the subject diaries, analyzed between treatment groups at the monthly visits [ Time Frame: days ] [ Designated as safety issue: No ]

Estimated Enrollment: 75
Study Start Date: November 2007
Study Completion Date: July 2009
Primary Completion Date: May 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
C: Placebo Comparator
Placebo
Drug: Placebo
1 capsule daily for 4 months
A: Experimental
Proellex 25 mg
Drug: Proellex 25 mg
1 capsule daily for 4 months
B: Experimental
Proellex 50 mg
Drug: Proellex 50 mg
2 capsules daily for 4 months

  Eligibility

Ages Eligible for Study:   18 Years to 48 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Premenopausal women aged 18-48 inclusive
  • Endometriosis documented by laparoscopic or surgical assessment within the past ten (10) years
  • Clinical symptoms of endometriosis for at least the past three (3) months
  • Endometriosis symptoms
  • Must be sexually active unless sexually inactive for endometriosis-related dyspareunia
  • Must have a regular or steady menstrual cycle lasting from 24 to 36 days and a detectable ovulation during the baseline period using an ovulation monitoring kit (for timing of endometrial biopsy)
  • Other inclusion criteria may apply

Exclusion Criteria:

  • Six (6) months or more without a menstrual period, or
  • Prior hysterectomy or
  • Prior bilateral oophorectomy
  • Diagnosis of osteopenia
  • Present history or condition that causes non-endometriosis-related dyspareunia
  • Presence of excessive bleeding or menorrhagia
  • Abnormal screening endometrial biopsy
  • Other exclusion criteria may apply
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00556075

Locations
United States, Arizona
Advanced Clinical Therapeutics, LLC
Tucson, Arizona, United States, 85712
United States, Arkansas
Lynn Institute of the Ozarks
Little Rock, Arkansas, United States, 72205
United States, California
Compass Clinical Research
San Ramon, California, United States, 94583
Medical Center for Clinical Research
San Diego, California, United States, 92108
United States, Florida
Comprehensive Clinical Trials
West Palm Beach, Florida, United States, 33409
Altus Research
Lake Worth, Florida, United States, 33461
United States, Iowa
Medical Associates
Dubuque, Iowa, United States, 52002
United States, North Carolina
Wake Research Associates
Raleigh, North Carolina, United States, 27612
Physicians for Women
Cary, North Carolina, United States, 27511
United States, Ohio
HWC Women's Research Center
Miamisburg, Ohio, United States, 45342
Rapid Medical Research, Inc.
Cleveland, Ohio, United States, 44122
United States, South Carolina
SC Clinical Research Center, LLC
Columbia, South Carolina, United States, 29201
Greenville Pharma Research
Greenville, South Carolina, United States, 29615
Gaffney Pharmaceutical Research
Gaffney, South Carolina, United States, 29340
United States, Texas
Advanced Research Associates
Corpus Christi, Texas, United States, 78414
Clinical Trials of Texas/Seven Oaks Women's Center
San Antonio, Texas, United States, 78229
Clinical Trials of Texas/Institute for Women's Health
San Antonio, Texas, United States, 78229
Sponsors and Collaborators
Repros Therapeutics Inc.
Investigators
Study Director: Andre vanAs, MD, PhD Repros Therapeutics Inc.
  More Information

No publications provided

Responsible Party: Andre vanAs, MD, PhD ( Repros Therapeutics Inc. )
Study ID Numbers: ZPE-201
Study First Received: November 7, 2007
Last Updated: August 11, 2009
ClinicalTrials.gov Identifier: NCT00556075     History of Changes
Health Authority: United States: Food and Drug Administration

Keywords provided by Repros Therapeutics Inc.:
Endometriosis
Pelvic pain
Oral progesterone blocker

Additional relevant MeSH terms:
Genital Diseases, Female
Endometriosis

ClinicalTrials.gov processed this record on November 30, 2009