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Study of the Safety and Contraceptive Efficacy of Relugolix Combination Therapy in Women With Uterine Fibroids or Endometriosis Who Are at Risk for Pregnancy

Completed · Phase 3 · NCT04756037

Conditions: Contraception

At a glance

Research payments reported, 2025
$4.4M
U.S. investigators named
122
Sites paid
106
Planned or actual enrollment
1,164

About the trial

Sponsor
Sumitomo Pharma Switzerland GmbH
Tested
Relugolix Combination Therapy (drug)
Dates
Started 2021-03-18; completion 2026-03-31
Results posted
Yes

The purpose of this study is to assess the contraceptive efficacy of relugolix combination therapy.

From ClinicalTrials.gov, last updated 2026-05-13. Full record, eligibility and contacts (opens in a new tab)

Industry funding

Sumitomo Pharma America, Inc. reported $4.4M in research payments for this study in 2025 (1,415 payments).

Products named: Myfembree

Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.

U.S. investigators named on this study

Clinicians the company named as principal investigators in its Open Payments reports.

Sites paid to run it

  • Alfa Medical Research $298,518
  • Affiliated Clinical Research Inc $260,529
  • Vida Clinical Research LLC $133,679
  • Agile Clinical Research Trials LLC $124,406
  • Long Beach Research Institute $117,209
  • Chicago Clinical Research Institute Inc $116,812
  • Interspond LLC $114,565
  • Cactus Clinical Research Inc $112,199
  • Lcc Medical Research Institute LLC $106,942
  • Intimmedicine Specialists $105,329
  • University of Texas Health Science Center at Houston $90,813
  • Quantum Clinical Trials LLC $89,746
  • Clinedge LLC $84,390
  • Tidewater Clinical Research Inc $83,836
  • Ohsu Hospital and Clinics, OR $83,803
  • Dct Hcwc LLC $81,596
  • Bayview Research Group LLC $81,419
  • Imagine Research of PAlm Beach County $74,252
  • Hospital of Univ of Pennsylvania, PA $66,050
  • Advances in Health Inc $63,717
  • Advanced Womens Health Institute $62,834
  • University of California Davis Medical Center, CA $62,805
  • Ideal Clinical Research Inc $61,978
  • Elligo Health Research Inc $60,181
  • Sunbelt Research Group LLC $57,260
  • Gadolin Research LLC $56,296
  • Miami Clinical Research Lllp $55,408
  • Chandler Clinical Trials LLC $53,023
  • Medisense Inc $51,812
  • Amicis Research Center $51,228
  • Del Sol Research Management LLC $49,992
  • Wcg Clinical Inc $47,316
  • One Health Research Clinic Atlanta LLC $45,306
  • Dct-Stone Oak LLC $45,114
  • Chattanooga Medical Research LLC $44,130
  • Clinical Trials Management LLC $42,575
  • South Florida Wellness & Clinical Research Institute LLC $41,893
  • Suncoast Clinical Research Inc $41,890
  • Tmc Life Research Inc $38,884
  • Viva Capital Funding LLC $37,332
  • Signature Gyn Services PLLC $37,226
  • Sky Clinical Research Network Group $35,218
  • Carolina Women's Research & Wellness Ctr $34,675
  • Advanced Medical Concepts Psc $34,335
  • Chemidox Clinical Trials Inc $34,101
  • Wayne State University $33,522
  • Continental Clinical Solutions LLC $31,762
  • Emerald Coast Obgyn Clinical Research LLC $30,670
  • Omega Research Orlando LLC $29,620
  • Next Innovative Clinical Reseach $29,317
  • Zillan $29,169
  • Regents of the University of Colorado $28,793
  • Altus Clinical Research LLC $28,587
  • Unified Women's Clinical Research $27,965
  • Wasatch Clinical Research LLC $26,627
  • Focus Clinical Research Solutions LLC $26,500
  • Sweet Hope Research Specialty Inc $26,415
  • The Board of Trustees of the Leland Stanford Junior University $25,846
  • Bassem Maximos MD Mph PA $25,788
  • Seattle Crc LLC $24,914
  • Elias Research Associates LLC $24,588
  • Kelly H Roy MD PC $23,829
  • Center for Clinical Research LLC $22,457
  • Emerson Clinical Research Institute Inc $22,318
  • Pivotal Clinical Research and Associates LLC $21,069
  • Solutions Through Advanced Resch Inc $20,634
  • Southern Clinical Research Associates LLC $19,855
  • The Washington University $18,420
  • Velocity Clinical Research Inc $17,972
  • Diagnamics Inc $16,826
  • Clinical Research Puerto Rico $16,053
  • Paramount Research Solutions $15,706
  • Northwestern University $14,194
  • Serena D Tidwell MD PC $13,485
  • Tekton Research LLC $13,357
  • Northeast Clinical Research of San Antonio LLC $12,929
  • Clinical Research Philadelphia LLC $12,675
  • L Weather MD Apc $12,631
  • Brcr Medical Center Inc $12,556
  • Genoma Research Group Inc $11,985
  • M3 Wake Research Inc $11,816
  • Wr Womens Health Care Research LLC $11,098
  • Asr LLC $10,999
  • The Regents of the University of California $10,894
  • Icahn School of Medicine at Mount Sinai $10,756
  • Integrity Trials LLC $9,446
  • Midland Florida Clinical Research Ctr LLC $9,317
  • Fellows Research Alliance Inc $8,737
  • Axon Capital LLC $8,712
  • Complete Healthcare for Women $8,310
  • The Ohio State University Research Found $8,227
  • Northwest Clinical Research Center $6,240
  • Investigator Research Group LLC $6,206
  • Vital Pharma Research $5,692
  • Physician Care Clinical Research LLC $5,631
  • Leavitt Clinical Research Inc $5,371
  • Houston Center for Clinical Research LLC $3,716
  • Physicians Research Group II LLC $3,339
  • University of Cincinnati $3,300
  • Iresearch Atlanta LLC $3,000

Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.