A Multi-Center, Parallel Design, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of 6 and 12 mg Proellex® (Telapristone Acetate) Administered Orally in the Treatment of Premenopausal Women With Confirmed Symptomatic Uterine Fibroids

A Phase 2, Multi-Center, Parallel Design, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of 6 and 12 mg Proellex® (Telapristone Acetate) Administered Orally in the Treatment of Premenopausal Women With Confirmed Symptomatic Uterine Fibroids

The primary objective of this study is to determine the safety and efficacy of two oral doses of Proellex administered for up to 2 courses of treatment (18 weeks each), each separated by an Off-Drug Interval (ODI), to premenopausal women with symptomatic uterine fibroids.

Inclusion Criteria:

• Is a pre-menopausal female, between 18 and 47 years
• Participant has a history of at least 3 regular menstrual cycles in which menorrhagia (heavy bleeding) is due to uterine fibroids
• Confirmed uterine fibroid(s) at screening
• Visit 1 historical pictorial blood loss assessment chart of >120 milliliters (mL) of blood loss, to ensure participants have a menstrual blood loss of at least 80 mL by Alkaline Hematin Assay (during the baseline assessment period).
• A Body Mass Index (BMI) between 18 and 45 inclusive

Exclusion Criteria:

• Participant is pregnant or lactating or is attempting or expecting to become pregnant during the entire study period
• Received an investigational drug in the 30 days prior to the screening for this study
• Has an intrauterine device in place
• Observation or history of abnormal endometrial biopsy including the presence of endometrial intraepithelial neoplasia
• Participants with abnormally high liver enzymes or liver disease