CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 486 enrolled
Drug / intervention
75 mg linzagolix tablet +5 moredrug
Likely dose
75 mg linzagolix tabletfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03992846
NCT03992846Phase 3Completed

A Phase 3 Multicenter, Randomized, Double-blind, Placebo-controlled, Clinical Study to Assess the Efficacy and Safety of Linzagolix in Subjects With Moderate to Severe Endometriosis-associated Pain.

Kissei Pharmaceutical Co., Ltd.·interventional·Posted Jun 20, 2019·Updated Apr 2, 2025

In Brief

A Phase 3 clinical trial evaluating 75 mg linzagolix tablet, 200 mg linzagolix tablet, and 4 other interventions for Endometriosis. Completed, enrolled 486 participants across 71 sites in 10 countries.

Detailed Summary

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).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsEndometriosis
CountriesAustria, Bulgaria, Czechia, France, Hungary, Poland, Romania, Spain, Ukraine, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2020202120222023202420252026
First PostedJun 20, 2019
Enrollment StartJun 13, 2019
Primary CompletionOct 18, 2021
Study CompletionApr 1, 2022
TodayJul 2, 2026
Enrollment to primary: 2.3 yearsPosted 7.0 years ago

Interventions

75 mg linzagolix tabletdrug

For oral administration once daily

200 mg linzagolix tabletdrug

For oral administration once daily

Add-back capsule (E2 1 mg / NETA 0.5 mg)drug

For oral administration once daily

Placebo tablet to match 75 mg linzagolix tabletdrug

For oral administration once daily

Placebo tablet to match 200 mg linzagolix tabletdrug

For oral administration once daily

Placebo capsule to match Add-back capsuledrug

For oral administration once daily