A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis
The purpose of this clinical trial to characterize changes in bone mineral density during continuous treatment with relugolix combination tablet for up to 48 months (4 years) and 1 year of post-treatm...
Study Of Oral Elagolix Tablets In Combination With Combined Oral Contraceptive Capsules/Tablets To Assess Dysmenorrhea Response In Adult Female Participants With Endometriosis And Associated Moderate To Severe Pain
Endometriosis is a painful disorder of the uterus affecting 6-10% of women of childbearing age. Endometriosis affects daily activities, social relationships, sexuality and sexual activity, and mental ...
Pre-IVF Treatment With a GnRH Antagonist in Women With endometriosis_temp
A Phase 3 clinical trial of oral GnRH antagonist pre-treatment for women with endometriosis who are undergoing IVF, with a primary outcome of live birth rate. The investigators' central hypothesis is ...
Vaginal Photobiomodulation for Chronic Pelvic Pain
The goal of this clinical study is to determine if 8 treatments with photobiomodulation using near-infrared laser energy can help reduce chronic pelvic pain in women. Additionally, researchers want to...
Top Cities for Endometriosis Clinical Trials
Endometriosis clinical trials are recruiting across 24 cities. Here are the cities with the most active studies:
About Endometriosis
Endometriosis is a condition where tissue similar to the uterine lining grows outside the uterus, causing pain, heavy periods, and infertility. It affects approximately 10% of women of reproductive age. Treatment includes pain management, hormonal therapy, and surgery.
Clinical trials are advancing new treatments for endometriosis. Currently, 4 studies are recruiting a combined 2,223 participants across the United States. Research is being conducted by 4 organizations including Sumitomo Pharma Switzerland GmbH, AbbVie, Yale University and 1 others.
2026 Endometriosis Research Landscape
As of March 2026, the endometriosis clinical trial landscape includes 4 actively recruiting studies across 24 cities in the United States. These studies are collectively seeking 2,223 participants, with an average enrollment target of 556 per study.
Research is being led by 4 different organizations, including Sumitomo Pharma Switzerland GmbH, AbbVie, Yale University, SoLa Pelvic Therapy.
Geographically, endometriosis trials are most concentrated in Birmingham, Alabama (5 trials); Mobile, Alabama (3 trials); Chandler, Arizona (1 trial); Mesa, Arizona (1 trial); Peoria, Arizona (1 trial) and 7 other cities.
Featured Endometriosis Studies
Highlighted recruiting studies for endometriosis, selected by enrollment size and research scope.
A Phase 3B Study to Evaluate Bone Mineral Density With Long-Term Use of Relugolix Combination Tablet in Women With Uterine Fibroids or Endometriosis
The purpose of this clinical trial to characterize changes in bone mineral density during continuous treatment with relugolix combination tablet for up to 48 months (4 years) and 1 year of post-treatment follow-up in premenopausal women with heavy menstrual bleeding associated with uterine leiomyomas (fibroids) or with moderate-to-severe pain associated with endometriosis.
Study Of Oral Elagolix Tablets In Combination With Combined Oral Contraceptive Capsules/Tablets To Assess Dysmenorrhea Response In Adult Female Participants With Endometriosis And Associated Moderate To Severe Pain
Endometriosis is a painful disorder of the uterus affecting 6-10% of women of childbearing age. Endometriosis affects daily activities, social relationships, sexuality and sexual activity, and mental health. This study will evaluate how well elagolix in combination with combined oral contraceptives (COC) works within the body and/or how safe it is compared to placebo (does not contain treatment dr...
Pre-IVF Treatment With a GnRH Antagonist in Women With endometriosis_temp
A Phase 3 clinical trial of oral GnRH antagonist pre-treatment for women with endometriosis who are undergoing IVF, with a primary outcome of live birth rate. The investigators' central hypothesis is that in infertile woman with endometriosis undergoing in vitro fertilization-embryo transfer (IVF-ET), live birth rates will improve in those pretreated with GnRH antagonist compared to those not pret...
Frequently Asked Questions About Endometriosis Clinical Trials
Are there endometriosis clinical trials near me?
Yes, there are 4 endometriosis clinical trials currently recruiting across 24+ cities in the United States, including Birmingham, Alabama; Mobile, Alabama; Chandler, Arizona. Browse the studies above to find one at a location convenient for you.
How do I join a endometriosis clinical trial?
To join a endometriosis clinical trial: 1) Browse the available studies on this page, 2) Click on a study that interests you, 3) Check the study locations to find a site near you, 4) Review the eligibility criteria, and 5) Contact the study site or complete the eligibility form. The process is free and you can withdraw at any time.
Are endometriosis clinical trials free?
Yes, participation in endometriosis clinical trials is free. Study-related treatments, medical tests, and doctor visits are provided at no cost to participants. Many studies also offer compensation for your time and travel expenses.
What types of endometriosis treatments are being studied?
Current endometriosis clinical trials are testing a range of approaches. These include new drugs, combination therapies, medical devices, and other interventions sponsored by 4 research organizations.
Is it safe to participate in endometriosis clinical trials?
Clinical trials are carefully regulated by the FDA and institutional review boards (IRBs). All trials must follow strict safety protocols, and participants receive close medical monitoring throughout the study. You can withdraw from a trial at any time without penalty.
Data updated March 2, 2026 from ClinicalTrials.gov
About This Data
Clinical trial information on this page is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health (NIH) and National Library of Medicine (NLM). Study data is refreshed every hour to ensure accuracy.
Medical Disclaimer: The information provided on this page is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before making decisions about clinical trial participation or changes to your treatment plan.
Page reviewed by the HelloStudys Research Team · Last updated March 2, 2026 · Data from ClinicalTrials.gov