Study identifier: NCT03986944 Synced from ClinicalTrials.gov · August 05, 2026
● Terminated

A Phase 3 Study to Confirm the Efficacy and Safety of Linzagolix to Treat Endometriosis-associated Pain

Condition: Endometriosis  ·  Sponsor: Kissei Pharmaceutical Co., Ltd.

PhasePhase 3
Planned participants85
Who can joinFemale, 18 Years to 49 Years
Healthy volunteersNo

About this study

The primary objective of this study is to demonstrate the efficacy and safety of linzagolix administered orally once daily for 3 months at a dose of 75 mg alone or of 200 mg in combination with add-back hormone replacement therapy (ABT: estradiol (E2) 1 mg / norethisterone acetate (NETA) 0.5 mg) versus placebo, in the management of moderate to severe endometriosis-associated pain (EAP).

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (112)

Birmingham OBGYN / ID # 740Birmingham, Alabama, United States
Mesa Obstetricians and Gyneocologists / ID # 790Mesa, Arizona, United States
Precision Trials AZ, LLC / ID # 783Phoenix, Arizona, United States
Quality of LIfe Medical & Research Center, LLC / ID # 813Tucson, Arizona, United States
Visions Clinical Research-Tucson / ID # 754Tucson, Arizona, United States
Lynn Institute of the Ozarks / ID # 826Little Rock, Arkansas, United States
Applied Research Center of Arkansas / ID # 735Little Rock, Arkansas, United States
Join Clinical Trials / ID # 778Huntington Park, California, United States
Long Beach Clinical Trials, LLC / ID # 768Long Beach, California, United States
Matrix Clinical Research / ID # 751Los Angeles, California, United States
Futura Research, Org / ID # 781Norwalk, California, United States
National Research Institute / ID # 805Panorama City, California, United States

+ 100 more locations — full list on the registry record.

Follow this study

Save your interest here for when the public record changes — results posted, or the study's status changes. Email alerts for this study aren't switched on yet.

We keep this only about this public record, and never email you without alerts being switched on. Want it removed at any time? Email hello@eichor.com. Never medical advice. By subscribing you agree to our Terms of Use and Privacy Policy.

Is this your study? This page was generated automatically from the public registry record. Sponsors can claim it — free — to add branding and verified contact routing. Claim this page →