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Hormone Therapy

Study to Evaluate the Pharmacodynamics and Efficacy of Leuprolide Tablets (Ovarest®) in Women With Endometriosis

Phase 2
Waitlist Available
Research Sponsored by Enteris BioPharma Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up treatment days: 1,8, 15, 22 and 29; post dosing day 14
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing an oral medication called Ovarest® for women with endometriosis. It aims to find the right dose that effectively lowers estradiol levels to help manage symptoms. The study also evaluates the long-term safety of the medication.

Eligible Conditions
  • Endometriosis

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~treatment days: 1,8, 15, 22 and 29; post dosing day 14
This trial's timeline: 3 weeks for screening, Varies for treatment, and treatment days: 1,8, 15, 22 and 29; post dosing day 14 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Adequacy of suppression of estradiol (E2) as assessed by the subject incidence of estradiol level below 20 pg/mL
Secondary study objectives
(Pre-dose leuprolide level) Subject incidence of Leuprolide below detectable level
Composite Pelvic Signs and Symptoms (CPSS) scores
Follicle Stimulating Hormone (FSH) levels
+3 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

5Treatment groups
Experimental Treatment
Group I: Treatment E:Leuprolide Oral Tablet (Ovarest), 40 mg BIDExperimental Treatment1 Intervention
Leuprolide Oral Tablet (Ovarest), 40 mg, administered twice daily (BID), 12 hours apart for up to 29 consecutive days with food-intake restrictions.
Group II: Treatment D: Leuprolide Oral Tablet, 60 mg BIDExperimental Treatment1 Intervention
Leuprolide Oral Tablet (Ovarest), 60 mg, administered twice daily (BID), 12 hours apart for up to 35 consecutive days with food-intake restrictions.
Group III: Treatment C: Leuprolide Oral Tablet, 60 mg QDExperimental Treatment1 Intervention
Leuprolide Oral Tablet (Ovarest), 60 mg, administered once daily (QD) for up to 29 consecutive days with food-intake restrictions.
Group IV: Treatment B: Leuprolide Oral Tablet, 80 mg QDExperimental Treatment1 Intervention
Leuprolide Oral Tablet (Ovarest), 80 mg (2 x 40 mg tablets), administered once daily (QD) for up to 35 consecutive days with food-intake restrictions.
Group V: Treatment A: Leuprolide Oral Tablet, 120 mg QDExperimental Treatment1 Intervention
Leuprolide Oral Tablet (Ovarest), 120 mg (2 x 60 mg tablets), administered once daily (QD), for up to 35 consecutive days with food-intake restrictions.

Find a Location

Who is running the clinical trial?

ParexelIndustry Sponsor
314 Previous Clinical Trials
96,770 Total Patients Enrolled
Enteris BioPharma Inc.Lead Sponsor
1 Previous Clinical Trials
35 Total Patients Enrolled
1 Trials studying Endometriosis
35 Patients Enrolled for Endometriosis
Syneos HealthOTHER
176 Previous Clinical Trials
68,657 Total Patients Enrolled
1 Trials studying Endometriosis
35 Patients Enrolled for Endometriosis
Gary A. Shangold, M.D.Study ChairEnteris BioPharma Inc.
~4 spots leftby Dec 2025