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Safety and Efficacy of Proellex in Pre-Menopausal Anemic Women With Symptomatic Uterine Fibroids

A Multi-Center, Placebo Controlled, Safety and Efficacy Study of the Selective Progesterone Receptor Modulator Proellex® (CDB-4124) in Anemic, Pre-Menopausal Women With Symptomatic Uterine Fibroids Requiring Hysterectomy

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00785356
Enrollment
8
Registered
2008-11-05
Start date
2008-10-31
Completion date
2009-08-31
Last updated
2014-08-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Uterine Fibroids, Anemia

Keywords

Uterine fibroids, Anemia

Brief summary

Subjects will be randomly assigned to one of 3 treatment groups and receive 325 mg (65 mg elemental iron) iron supplements twice daily.

Detailed description

Eligible female subjects will be randomly assigned to one of the three treatment groups. Subjects will receive 325 mg (65 mg elemental iron) iron supplements to be taken twice daily during study drug treatment. The study duration is approximately six months, which is comprised of a 4 - 6 week screening period, a three-month drug treatment period, and a one-month follow-up period.

Interventions

Proellex 25 mg, 1 - 25 mg capsule and 1 placebo capsule daily for 3 months

Proellex 50 mg, 2 - 25 mg capsules daily for 3 months

DRUGPlacebo

Placebo, 2 capsules daily for 3 months

Sponsors

Repros Therapeutics Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 48 Years
Healthy volunteers
No

Inclusion criteria

* Female, between the ages of 18 and 48 years with Body Mass Index (BMI) between 18 and 39, inclusive; * Anemic, defined as hemoglobin levels less than or equal to 10.5 g/dL and uterine fibroid-associated symptoms indicated by a history of excessive menstrual bleeding; * Surgical interventions for uterine fibroids (e.g. hysterectomy or myomectomy) planned or anticipated after the study; * Willing to comply with all study procedures, including the endometrial biopsies and blood draws for all visits, including Follow-up Visits

Exclusion criteria

* Post-menopausal women or women likely to become post-menopausal during the study, defined as one or more of the following: * Six months or more (immediately prior to Screening Visit) without a menstrual period, or * Prior hysterectomy, or * Prior bilateral oophorectomy (unilateral oophorectomy is not exclusionary if regular menstruation is occurring); * Females who have undergone a uterine arterial embolization, or endometrial ablation therapy (previous myomectomy is acceptable) for any cause; * Documented endometriosis or active pelvic inflammatory disease (PID); * Having a diagnosis, or suspected diagnosis, of carcinoma of the breast or reproductive organs; * Known active infection with HIV, Hepatitis A, B or C, Gonorrhea, or Chlamydia; * Use of prohibited concomitant medications: 1. Depo-Provera use must cease ten months prior to first dose of study drug, or 2. GnRH agonists use (e.g. Lupron Depot) must cease six months prior to first dose of study drug, or 3. Oral contraceptive or other hormonal treatments use must cease for 30 days prior to the start of the study

Design outcomes

Primary

MeasureTime frame
The Comparison Between the 50 mg Proellex® Dose Level and Placebo in the Change in Hemoglobin From Baseline to 3 Months.3 months

Countries

Mexico

Participant flow

Participants by arm

ArmCount
25 mg Proellex
Proellex 25 mg: Proellex 25 mg, 1 - 25 mg capsule and 1 placebo capsule daily for 3 months
0
Proellex 50 mg
Proellex 50 mg: Proellex 50 mg, 2 - 25 mg capsules daily for 3 months
0
Placebo
Placebo: Placebo, 2 capsules daily for 3 months
0
Total0

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyStudy prematurely terminated8

Baseline characteristics

Characteristic
Age, Categorical
<=18 years
— Participants
Age, Categorical
>=65 years
— Participants
Age, Categorical
Between 18 and 65 years
— Participants
Region of Enrollment
Mexico
— participants
Sex: Female, Male
Female
— Participants
Sex: Female, Male
Male
— Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
0 / 00 / 00 / 0
serious
Total, serious adverse events
0 / 00 / 00 / 0

Outcome results

Primary

The Comparison Between the 50 mg Proellex® Dose Level and Placebo in the Change in Hemoglobin From Baseline to 3 Months.

Time frame: 3 months

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026