Crossover Study of the Safety and PK Properties of Proellex®

Inclusion Criteria

• Subject must be able to speak, read, and understand English and be willing and able to provide written informed consent in English on an Institutional Review Board (IRB)
• Premenopausal women aged 18-34, inclusive, with body mass index between 18 and 35, inclusive
• Women of child-bearing potential must be willing to use effective non-hormonal, double-barrier method contraception during the study period and for a minimum of 30 days after discontinuation of the study medication. Women who have had a hysterectomy will be allowed into the study
• Must have a negative urine pregnancy test at screening
• Able to swallow gelatin capsules
• Medically normal subjects with no significant abnormal findings at the screening physical examination as evaluated by the Principal Investigator that would interfere with the subject participating this study
• Must have agreed to not attempt to become pregnant at any time during study participation or for 30 days thereafter
• Other inclusion criteria may apply

Exclusion Criteria

• Symptomatic uterine fibroids or endometriosis
• Past or present history of any significant cardiovascular, renal, or hepatic disease requiring ongoing medical therapy or clinical intervention
• Past or present history of thrombophlebitis, thromboembolic disorders, or cerebrovascular accident
• Abnormal screening visit vital signs or clinical laboratory evaluation considered clinically significant by the Principal Investigator
• Significant organ abnormality or disease (based on the Principal Investigator's judgment) that would in the opinion of the Principal Investigator exclude the subject from participating
• Other exclusion criteria may apply