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Efficacy and Safety of OBE2109 in Subjects With Heavy Menstrual Bleeding Associated With Uterine Fibroids

Phase 3
Completed
Conditions
Heavy Menstrual Bleeding
Uterine Fibroids
Interventions
Drug: Placebo to match OBE2109
Drug: Placebo to match Add-back
Drug: Add-back
Registration Number
NCT03070951
Lead Sponsor
ObsEva SA
Brief Summary

The primary objective of this study is to demonstrate the superior efficacy versus placebo of OBE2109 alone and in combination with add-back therapy for the reduction of heavy menstrual bleeding associated with uterine fibroids in premenopausal women.

Detailed Description

The study is a prospective, randomized, parallel group, double-blind, placebo-controlled phase 3 study investigating the efficacy and safety of OBE2109 alone and in combination with add-back therapy for the treatment of uterine fibroids.

Subjects will be randomized to one of 5 treatment groups in a 1:1:1:1:1 ratio.

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
511
Inclusion Criteria
  • Premenopausal woman at screening.
  • Body Mass Index ≥ 18 kg/m2.
  • Menstrual cycles ≥ 21 days and ≤ 40 days.
  • Presence of uterine fibroids.
  • Heavy menstrual blood loss for each of the 2 menstrual periods assessed at screening using the alkaline hematin method.

Key

Exclusion Criteria
  • The subject is pregnant or breast-feeding or is planning a pregnancy within the duration of the treatment period of the study.
  • History of uterus surgery that would interfere with the study.
  • The subject's condition is so severe that she will require surgery within 6 months regardless of the treatment provided.
  • Undiagnosed abnormal uterine bleeding.
  • Significant risk of osteoporosis or history of, or known osteoporosis or other metabolic bone disease.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
OBE2109 dose 1 (100mg) + Placebo Add-backOBE2109-
OBE2109 dose 1 (100mg) + Placebo Add-backPlacebo to match OBE2109-
OBE2109 dose 1 (100mg) + Placebo Add-backPlacebo to match Add-back-
OBE2109 dose 1 (100mg) + Add-backOBE2109-
OBE2109 dose 1 (100mg) + Add-backPlacebo to match OBE2109-
OBE2109 dose 1 (100mg) + Add-backAdd-back-
OBE2109 dose 2 (200mg) + Placebo Add-back / OBE2109 dose 2 (200 mg) + Add-backOBE2109-
OBE2109 dose 2 (200mg) + Placebo Add-back / OBE2109 dose 2 (200 mg) + Add-backPlacebo to match Add-back-
OBE2109 dose 2 (200mg) + Placebo Add-back / OBE2109 dose 2 (200 mg) + Add-backAdd-back-
OBE2109 dose 2 (200mg) + Add-backOBE2109-
OBE2109 dose 2 (200mg) + Add-backAdd-back-
Placebo + Placebo Add-back / OBE2109 dose 3 (200mg) + Add-backOBE2109-
Placebo + Placebo Add-back / OBE2109 dose 3 (200mg) + Add-backPlacebo to match OBE2109-
Placebo + Placebo Add-back / OBE2109 dose 3 (200mg) + Add-backPlacebo to match Add-back-
Placebo + Placebo Add-back / OBE2109 dose 3 (200mg) + Add-backAdd-back-
Primary Outcome Measures
NameTimeMethod
Percentage of Responders based on menstrual blood loss (MBL) volume reduction at Week 24From baseline to Week 24

Assessed using the alkaline hematin method

Secondary Outcome Measures
NameTimeMethod
AmenorrheaUp to Week 52

Assessed using the alkaline hematin method

Time to reduced menstrual blood lossUp to Week 52

Assessed using the alkaline hematin method

Time to amenorrheaUp to Week 52
Number of days of uterine bleeding for the last 28-day interval prior to Week 24last 28-day interval prior to Week 24

Assessed using the alkaline hematin method

Number of days of uterine bleeding for each 28-day intervalUp to Week 52

Assessed using the alkaline hematin method

Trial Locations

Locations (96)

Site reference ID 907

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Houston, Texas, United States

Site reference ID 254

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Sofia, Bulgaria

Site reference ID 505

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Przemyśl, Poland

Site reference ID 464

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Vilnius, Lithuania

Site reference ID 817

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Vinnytsia, Ukraine

Site reference ID 266

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Sliven, Bulgaria

Site reference ID 519

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Piaseczno, Poland

Site reference ID 518

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Poznań, Poland

Site reference ID 805

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Kyiv, Ukraine

Site reference ID 251

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Sofia, Bulgaria

Site reference ID 463

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Kaunas, Lithuania

Site reference ID 507

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Warsaw, Poland

Site reference ID 301

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Debrecen, Hungary

Site reference ID 512

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Świdnik, Poland

Site reference ID 807

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Kyiv, Ukraine

Site reference ID 811

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Odesa, Ukraine

Site reference ID 308

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Debrecen, Hungary

Site reference ID 314

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Kecskemét, Hungary

Site reference ID 451

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Riga, Latvia

Site reference ID 303

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Budapest, Hungary

Site reference ID 315

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Baja, Hungary

Site reference ID 313

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Debrecen, Hungary

Site reference ID 304

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Kistarcsa, Hungary

Site reference ID 509

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Katowice, Poland

Site reference ID 513

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Katowice, Poland

Site reference ID 454

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Riga, Latvia

Site reference ID 504

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Katowice, Poland

Site reference ID 514

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Katowice, Poland

Site reference ID 501

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Knurów, Poland

Site reference ID 307

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Budapest, Hungary

Site reference ID 911

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Salt Lake City, Utah, United States

Site reference ID 932

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Detroit, Michigan, United States

Site reference ID 804

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L'viv, Ukraine

Site reference ID 517

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Łódź, Poland

Site reference ID 905

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Chino, California, United States

Site reference ID 918

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Huntington Park, California, United States

Site reference ID 902

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San Diego, California, United States

Site reference ID 903

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Denver, Colorado, United States

Site reference ID 913

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Bradenton, Florida, United States

Site reference ID 915

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Augusta, Georgia, United States

Site reference ID 924

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Nampa, Idaho, United States

Site reference ID 927

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Metairie, Louisiana, United States

Site reference ID 900

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Metairie, Louisiana, United States

Site reference ID 916

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Jefferson City, Missouri, United States

Site reference ID 265

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Gabrovo, Bulgaria

Site reference ID 901

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Canton, Michigan, United States

Site reference ID 931

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Hamlet, North Carolina, United States

Site reference ID 933

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West Seneca, New York, United States

Site reference ID 919

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West Columbia, South Carolina, United States

Site reference ID 914

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Westerville, Ohio, United States

Site reference ID 255

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Pleven, Bulgaria

Site reference ID 258

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Plovdiv, Bulgaria

Site reference ID 264

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Smolyan, Bulgaria

Site reference ID 252

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Sofia, Bulgaria

Site reference ID 287

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Praha, Czechia

Site reference ID 256

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Sofia, Bulgaria

Site reference ID 257

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Sofia, Bulgaria

Site reference ID 286

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Praha, Czechia

Site reference ID 267

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Sofia, Bulgaria

Site reference ID 281

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Praha, Czechia

Site reference ID 288

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Praha, Czechia

Site reference ID 283

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Písek, Czechia

Site reference ID 284

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Příbram, Czechia

Site reference ID 282

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Vsetín, Czechia

Site reference ID 289

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Tábor, Czechia

Site reference ID 285

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České Budějovice, Czechia

Site reference ID 306

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Nyíregyháza, Hungary

Site reference ID 452

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Riga, Latvia

Site reference ID 460

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Vilnius, Lithuania

Site reference ID 461

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Vilnius, Lithuania

Site reference ID 511

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Lublin, Poland

Site reference ID 502

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Białystok, Poland

Site reference ID 503

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Szczecin, Poland

Site reference ID 506

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Lublin, Poland

Site reference ID 508

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Lublin, Poland

Site reference ID 510

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Łódź, Poland

Site reference ID 606

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Braşov, Romania

Site reference ID 601

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Bucuresti, Romania

Site reference ID 603

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Bucuresti, Romania

Site reference ID 605

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Târgu-Mureş, Romania

Site reference ID 604

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Bucuresti, Romania

Site reference ID 813

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Chernivtsi, Ukraine

Site reference ID 814

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Kharkiv, Ukraine

Site reference ID 801

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Ivano-Frankivs'k, Ukraine

Site reference ID 802

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Kyiv, Ukraine

Site reference ID 803

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Kyiv, Ukraine

Site reference ID 806

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Kyiv, Ukraine

Site reference ID 808

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Ternopil', Ukraine

Site reference ID 812

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Zaporizhzhya, Ukraine

Site reference ID 815

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Zaporizhzhya, Ukraine

Site reference ID 816

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Zaporizhzhya, Ukraine

Site reference ID 928

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Erie, Pennsylvania, United States

Site reference ID 926

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Covington, Louisiana, United States

Site reference ID 912

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Orlando, Florida, United States

Site reference ID 930

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Albuquerque, New Mexico, United States

Site reference ID 917

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Madison, Wisconsin, United States

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