Extension to Study on Efficacy and Safety of Linzagolix for the Treatment of Endometriosis-associated Pain
Public ClinicalTrials.gov record NCT04372121. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Double-blind Randomized Extension Study to Assess the Long-term Efficacy and Safety of Linzagolix in Subjects With Endometriosis-associated Pain
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The primary objective of this extension study is to assess the maintenance of efficacy of linzagolix administered orally once daily for up to an additional 6 months (for up to 12 months of treatment in total) in women who have already completed 6 months of linzagolix treatment at a dose of 75 mg alone or of 200 mg in combination with ABT (E2 1 mg / NETA 0.5 mg), in the management of moderate to severe endometriosis-associated pain (EAP) in women with surgically confirmed endometriosis.
Study identification
- NCT ID
- NCT04372121
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 30 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 50 Years
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 23, 2020 (Actual)
- Primary completion
- Jan 8, 2021 (Actual)
- Completion
- Feb 16, 2021 (Actual)
- Last update posted
- Apr 2, 2025
2020 – 2021
United States locations
- U.S. sites
- 23
- U.S. states
- 10
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Applied Res Center of Ar / Id # 735 | Little Rock | Arkansas | 72212 | — |
| Futura Research, Inc. / ID # 781 | Norwalk | California | 90650 | — |
| Adv Womens Health Institute / ID # 761 | Greenwood Village | Colorado | 80111 | — |
| Red Rocks OB/GYN / ID # 732 | Lakewood | Colorado | 80228 | — |
| Dr. David I. Lubetkin, LLC / ID # 703 | Boca Raton | Florida | 33486 | — |
| Coral Way Research / ID # 799 | Miami | Florida | 33135 | — |
| La Salud Research Clinic, Inc. / ID # 824 | Miami | Florida | 33155 | — |
| A Premier Medical Research of Florida, LLC / ID # 752 | Orange City | Florida | 32763 | — |
| Clinical Associates of Orlando, LLC / ID # 779 | Orlando | Florida | 32806 | — |
| Providea Health Partners LLC / ID # 734 | Evergreen Park | Illinois | 60805 | — |
| Onyx Clinical Research / ID # 793 | Flint | Michigan | 48532 | — |
| Valley OBGYN / ID # 704 | Saginaw | Michigan | 48602 | — |
| ClinOhio Res Services, LLC / ID # 722 | Columbus | Ohio | 43213 | — |
| Complete Healthcare for Women / ID # 801 | Columbus | Ohio | 43213 | — |
| Hilltop OBGYN / ID # 711 | Franklin | Ohio | 45005 | — |
| Clinical Research Associates Inc / ID # 802 | Nashville | Tennessee | 37203 | — |
| Austin Area ObGyn PLLC / ID # 701 | Austin | Texas | 78758 | — |
| OB/GYN North Austin / ID # 764 | Austin | Texas | 78758 | — |
| HCWC dba DiscoveryClinical Trials / ID # 771 | Dallas | Texas | 75231 | — |
| Signature Gyn Services / ID # 726 | Fort Worth | Texas | 76104 | — |
| Medical Colleagues of Texas / ID # 819 | Katy | Texas | 77450 | — |
| Maximos OB/GYN | League City | Texas | 77573 | — |
| Physicians Research Options / ID # 766 | Draper | Utah | 84020 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04372121, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 2, 2025 · Synced Oct 21, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04372121 live on ClinicalTrials.gov.