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Multicenter Study Evaluating the Safety of Proellex® in Premenopausal Women With Uterine Fibroids

A Phase III, Open-Label, Parallel, Randomized, Multicenter Study Evaluating the Safety of 25 And 50 mg Proellex® (CDB-4124) in the Treatment of Premenopausal Women With Symptomatic Uterine Fibroids

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00737282
Enrollment
175
Registered
2008-08-18
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

Keywords

Uterine Fibroids

Brief summary

The safety of Proellex 25 and 50 mg administered once daily for three treatment cycles (four months each) will be evaluated.

Detailed description

Subjects will be randomized to either Proellex dose, 25 mg or 50 mg, in a 1:1 ratio. Subjects will receive drug for a four (4) month cycle of therapy three (3) times, each treatment cycle being separated by an off-drug interval until menstruation occurs. During the treatment periods, all subjects will be assessed monthly. Subjects will undergo an additional follow-up for 3 months following their last treatment visit.

Interventions

One capsule Proellex 25 mg administered as daily oral doses for four (4) consecutive months during each treatment cycle

Two capsules Proellex 25 mg administered as daily oral doses for four (4) consecutive months during each treatment cycle

Sponsors

Repros Therapeutics Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

* Speak, read and understand English or Spanish; * Not have undergone hysterectomy, uterine arterial embolization or endometrial ablation therapy (previous myomectomy is acceptable) for any cause and no surgical interventions for uterine fibroids (e.g. hysterectomy, myomectomy, uterine arterial embolization) are planned or anticipated during the study; * One uterine fibroid must be identifiable and measurable by transvaginal ultrasound; * Menstrual cycle lasting from 24 to 36 days; * History of excessive menstrual bleeding; * Negative urine pregnancy test at screening. Additional inclusion criteria may apply.

Exclusion criteria

* Six months or more (immediately prior to Screening Visit) without a menstrual period; * Prior hysterectomy; * Prior bilateral oophorectomy; * Pregnant or lactating females or women who are attempting or expecting to become pregnant at any time during the study; * Documented endometriosis, active pelvic inflammatory disease (PID), platelet dysfunction, or Von Willebrand's Disease; * Any history or diagnosis of gynecological cancer or cervical dysplasia of any grade including atypical squamous cells of undetermined significance (ASCUS) associated with Human Papilloma Virus (HPV); * Subject with diagnosed or suspected carcinoma of the breast, reproductive organs or any other organ system; * Subject with known active infection with HIV, Hepatitis A, B or C, Gonorrhea, or Chlamydia or previous history of auto-immune disease or positive serum antinuclear antibodies. Additional

Design outcomes

Primary

MeasureTime frame
To Assess the Safety of Proellex Administered Once Daily for Three Treatment Cycles (4 Months Each Cycle)12 months

Countries

United States

Participant flow

Participants by arm

ArmCount
25 mg Proellex
Proellex 25 mg once daily Proellex 25 mg: One capsule Proellex 25 mg administered as daily oral doses for four (4) consecutive months during each treatment cycle
0
Proellex 50 mg
Proellex 50 mg once daily Proellex 50 mg: Two capsules Proellex 25 mg administered as daily oral doses for four (4) consecutive months during each treatment cycle
0
Total0

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyStudy prematurely terminated175

Baseline characteristics

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

Adverse events

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

Outcome results

Primary

To Assess the Safety of Proellex Administered Once Daily for Three Treatment Cycles (4 Months Each Cycle)

Time frame: 12 months

Population: Study prematurely terminated

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