The Willow LTE Study With M5049 in Participants With SCLE, DLE and/or SLE (WILLOW LTE)

NCT ID: NCT05540327

Last Updated: 2026-01-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

379 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-16

Study Completion Date

2028-08-12

Brief Summary

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The purpose of the study is to evaluate the long term safety and efficacy of orally administered M5049 in participants with subacute cutaneous lupus erythematosus (SCLE), discoid lupus erythematosus (DLE) and/or systemic lupus erythematosus (SLE) who have completed the 24 week treatment period of Willow study (MS200569\_0003 \[NCT05162586\]).

Detailed Description

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Conditions

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Systemic Lupus Erythematosus

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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M5049 high dose + Placebo

Participants with CLE (active SCLE and/or DLE) or SLE who received M5049 matched placebo or high dose of M5049 in WILLOW study will receive M5049 high dose .

Group Type EXPERIMENTAL

M5049 high dose

Intervention Type DRUG

Participants will receive film-coated tablets of M5049 at a high dose orally, BID for up to 194 weeks.

Placebo

Intervention Type DRUG

Participants will receive M5049 matching placebo orally, BID for up to 194 weeks.

M5049 low dose + Placebo

Participants with CLE (active SCLE and/or DLE) or SLE who received low dose of M5049 in WILLOW study will continue to receive M5049 low dose and matching placebo.

Group Type EXPERIMENTAL

M5049 low dose

Intervention Type DRUG

Participants will receive film-coated tablets of M5049 at a low dose orally, twice a day (BID) for up to 194 weeks.

Placebo

Intervention Type DRUG

Participants will receive M5049 matching placebo orally, BID for up to 194 weeks.

M5049 medium dose+ Placebo

Participants with CLE (active SCLE and/or DLE) or SLE who received medium dose of M5049 in WILLOW study will continue to receive M5049 medium dose and matching placebo.

Group Type EXPERIMENTAL

M5049 medium dose

Intervention Type DRUG

Participants will receive film-coated tablets of M5049 at a medium dose orally, BID for up to 194 weeks.

Placebo

Intervention Type DRUG

Participants will receive M5049 matching placebo orally, BID for up to 194 weeks.

Interventions

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M5049 low dose

Participants will receive film-coated tablets of M5049 at a low dose orally, twice a day (BID) for up to 194 weeks.

Intervention Type DRUG

M5049 medium dose

Participants will receive film-coated tablets of M5049 at a medium dose orally, BID for up to 194 weeks.

Intervention Type DRUG

M5049 high dose

Participants will receive film-coated tablets of M5049 at a high dose orally, BID for up to 194 weeks.

Intervention Type DRUG

Placebo

Participants will receive M5049 matching placebo orally, BID for up to 194 weeks.

Intervention Type DRUG

Other Intervention Names

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Enpatoran Enpatoran Enpatoran

Eligibility Criteria

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Inclusion Criteria

* Are SCLE, DLE and/or SLE that have completed the 24 week Treatment of the Willow Study
* Have a Body Mass Index (BMI) within the less than or equal to (\<=) 40 kilograms per meter square (inclusive) at Screening
* Participants who had successfully completed Week 48 of the Part 1 will have the opportunity to participate in the LTE Part 2. In exceptional cases and after Sponsor review, participants who have completed the Week 48 visit of the Part 1 within the previous 4-weeks may be considered for Part 2 participation based on eligibility review. Previous 4-weeks will be calculated from the Week 48 visit of Part 1

Exclusion Criteria

* Participants who experienced serious event(s) related to the study intervention during the WILLOW study
* Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with Long Term Extension (LTE) study participation
* Ongoing or active clinically significant viral (including Severe acute respiratory syndrome coronavirus 2 \[(SARS-CoV-2)\], bacterial or fungal infection, or any major episode of infection requiring hospitalization
* Received LTE prohibited medication during the WILLOW study or after the WILLOW study Week 24
* Participation in any other investigational drug study after the WILLOW study Week 24
Minimum Eligible Age

18 Years

Maximum Eligible Age

76 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Responsible

Role: STUDY_DIRECTOR

Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany

Locations

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The Lundquist Institute at Harbor-UCLA Medical Center

Torrance, California, United States

Site Status

Bay Area Arthritis and Osteoporosis

Brandon, Florida, United States

Site Status

Advance Medical Research Center

Miami, Florida, United States

Site Status

Dawes Fretzin Dermatology Group, LLC

Indianapolis, Indiana, United States

Site Status

AA MRC LLC Ahmed Arif Medical Research Center

Grand Blanc, Michigan, United States

Site Status

University of Minnesota

Minneapolis, Minnesota, United States

Site Status

Ohio State University - CTMO Parent

Columbus, Ohio, United States

Site Status

Ramesh C Gupta, MD

Memphis, Tennessee, United States

Site Status

Centro de Investigaciones Medicas Mar del Plata - CIM

Buenos Aires, , Argentina

Site Status

CINME - Centro De Investigaciones Metabolicas

Buenos Aires, , Argentina

Site Status

Buenos Aires Skin

Ciudad Autonoma Buenos Aires, , Argentina

Site Status

Hospital Militar Central Dr. Cosme Argerich

Ciudad Autonoma Buenos Aires, , Argentina

Site Status

Centro de Investigaciones Medicas Mar del Plata - CIM

Mar del Plata, , Argentina

Site Status

Instituto de Reumatologia

Mendoza, , Argentina

Site Status

Instituto Medico de alta Complejidad San Isidro S.A (IMAC)

San Fernando, , Argentina

Site Status

CER San Juan Centro Polivalente de Asistencia e Inv. Clinica

San Juan, , Argentina

Site Status

Centro Dermatologico Schejtman

San Miguel, , Argentina

Site Status

PSORIAHUE-Medicina Interdisciplinar

San Miguel, , Argentina

Site Status

Centro de Investigaciones Medicas Tucuman

San Miguel de Tucumán, , Argentina

Site Status

Investigaciones Clinicas Tucuman

San Miguel de Tucumán, , Argentina

Site Status

Monash Medical Centre Clayton

Clayton, , Australia

Site Status

Veracity Clinical Research

Woolloongabba, , Australia

Site Status

Santa Casa de Misericórdia de Belo Horizonte

Belo Horizonte, , Brazil

Site Status

Oncovida - Centro de Onco-Hematologia de Mato Grosso

Cuiabá, , Brazil

Site Status

Clínica SER da Bahia

Graça, , Brazil

Site Status

CMiP - Centro Mineiro de Pesquisa

Juiz de Fora, , Brazil

Site Status

Hospital Moinhos de Vento

Moinhos de Vento, , Brazil

Site Status

Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto - CIP - Centro Integrado de Pesquisa

São José, , Brazil

Site Status

CEPIC - Centro Paulista de Investigação Clínica e Serviços Médicos

São Paulo, , Brazil

Site Status

DCC 'Sveti Georgi' EOOD - Cardiology Office

Haskovo, , Bulgaria

Site Status

MC Artmed OOD

Plovdiv, , Bulgaria

Site Status

DCC 1 Sevlievo EOOD

Sevlievo, , Bulgaria

Site Status

DCC Focus 5 - MEOH OOD

Sofia, , Bulgaria

Site Status

Military Medical Academy - MHAT - Sofia

Sofia, , Bulgaria

Site Status

UMHAT "Sv. Ivan Rilski", EAD - Clinic of Rheumatology

Sofia, , Bulgaria

Site Status

UMHAT "Sv. Ivan Rilski", EAD - Clinica of Rheumatology

Sofia, , Bulgaria

Site Status

Clinica Alemana de Osorno - Corporacion de Beneficencia Osorno

Los Lagos, , Chile

Site Status

BioMedica Research Group - Psicomedica Clinical and Research Group

Santiago, , Chile

Site Status

CeCim Biocinetic

Santiago, , Chile

Site Status

Centro Medico Prosalud

Santiago, , Chile

Site Status

CIEC- Centro Internacional de Estudios Clinicos - Valenzuela Y Compania Ltda

Santiago, , Chile

Site Status

Dermacross

Santiago, , Chile

Site Status

The First Affiliated Hospital of Baotou Medical College

Baotou, , China

Site Status

Peking Union Medical College Hospital - Beijing Union Medical College Hospital

Beijing, , China

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The First Hospital of Jilin University

Changchun, , China

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Guangdong Provincial People's Hospital

Guangzhou, , China

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Hainan General Hospital

Haikou, , China

Site Status

The First Affiliated Hospital of Henan University of Science and Technology

Luoyang, , China

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The Second Affiliated Hospital of Nanchang University

Nanchang, , China

Site Status

The Affiliated Drum Tower Hospital of Nanjing University

Nanjing, , China

Site Status

Huashan Hospital, Fudan University - Neurology

Shanghai, , China

Site Status

Renji Hospital Shanghai Jiaotong University School of Medicine - West Branch

Shanghai, , China

Site Status

Shanghai Skin Disease Hospital

Shanghai, , China

Site Status

West China Hospital, Sichuan University

Sichuan, , China

Site Status

The First Affiliated Hospital of Soochow University

Suzhou, , China

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Tianjin Medical University General Hospital

Tianjin, , China

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The First Affiliated Hospital of Xi'an Jiaotong University

Xi'an, , China

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Centro de Investigacion Medico Asistencial S.A.S

Barranquilla, , Colombia

Site Status

Centro de Investigacion en Reumatologia y Especialidades Medicas SAS. CIREEM

Bogotá, , Colombia

Site Status

Servimed S.A.S.

Bucaramanga, , Colombia

Site Status

Centro Integral de Reumatologia del Caribe SAS CIRCARIBE SAS

Medellín, , Colombia

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Healthy Medical Center

Zipaquirá, , Colombia

Site Status

General Hospital of Athens Laiko

Athens, , Greece

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General Hospital Papageorgiou

Thessaloniki, , Greece

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Chaim Sheba Medical Center - pt

Ramat Gan, , Israel

Site Status

NHO Asahikawa Medical Center - Dept of Gastroenterology

Asahikawa-shi, , Japan

Site Status

NHO Chibahigashi National Hospital - Dept of Allergy/Rheumatology

Chiba, , Japan

Site Status

St. Luke's International Hospital - Dept of Immunology/Allergy

Chūōku, , Japan

Site Status

Hiroshima University Hospital

Hiroshima, , Japan

Site Status

Eiraku Clinic - Dept of Rheumatology

Kagoshima, , Japan

Site Status

Saitama Medical Center - Dept of Rheumatology/Immunology

Kawagoe-shi, , Japan

Site Status

Kagawa University Hospital - Dept of Immunology/ Rheumatology

Kita-gun, , Japan

Site Status

Hokkaido University Hospital - Dept of Internal Medicine 2(Rheumatology/Immunolog

Sapporo, , Japan

Site Status

Tohoku University Hospital - Dept of Hematology/Immunology

Sendai, , Japan

Site Status

CAP Research Ltd

Quatre Bornes, , Mauritius

Site Status

Consultorio Privado Dr. Miguel Cortes Hernandez

Cuernavaca, , Mexico

Site Status

Centro de Estudios de Investigacion Basica y Clinica SC

Guadalajara, , Mexico

Site Status

Diseno y Planeacion en Investigacion Medica S.C.

Guadalajara, , Mexico

Site Status

Diseño y Planeacion en Investigacion Medica S.C.

Guadalajara, , Mexico

Site Status

Centro Medico del Angel

Mexicali, , Mexico

Site Status

CAIMED Investigacion en salud S.A de C.V.

Mexico City, , Mexico

Site Status

Clinstile, S.A. de C.V.

Mexico City, , Mexico

Site Status

Medical Care & Research SA de CV

Mérida, , Mexico

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Centro de Investigacion Clínica GRAMEL S.C

México, , Mexico

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Clinica para el Diagnostico y Tratamiento de las Enfermedades Reumaticas

México, , Mexico

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Consultorio de Reumatologia - Hospital Angeles Lindavista Cons. 445B

México, , Mexico

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Grupo Medico Camino S.C.

México, , Mexico

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Centro Regiomontano de Estudios Clínicos Roma S.C.

Monterrey, , Mexico

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CIMAB S.A. de C.V. - Centro de Investigacion Medica Alberto Bazzoni

Torreón, , Mexico

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ICS ARENSIA Exploratory Medicine SRL - Republican Clinical Hospital "Timofei Mosneaga"

Chisinau, , Moldova

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Davao Doctors Hospital - Medicine

Davao City, , Philippines

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Iloilo Doctors Hospital

Iloilo City, , Philippines

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Mary Mediatrix Medical Center

Lipa City, , Philippines

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Ospital Ng Makati

Makati City, , Philippines

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Chinese General Hospital & Medical Center

Manila, , Philippines

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Far Eastern University - Dr. Nicanor Reyes Medical Foundation - Department of Child Health

Quezon City, , Philippines

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Nova Reuma Domysławska i Rusiłowicz, Spółka Partnerska Lekarza Reumatologa i Fizjoterapeuty

Bialystok, , Poland

Site Status

Prywatna Praktyka Lekarska prof Pawel Hrycaj

Kościan, , Poland

Site Status

Centrum Medyczne Plejady

Krakow, , Poland

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Centrum Nowoczesnych Terapii Dobry Lekarz

Krakow, , Poland

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Twoja Przychodnia PCM

Poznan, , Poland

Site Status

Twoja Przychodnia-Szczecinskie Centrum Medyczne Sp. z o. o

Szczecin, , Poland

Site Status

Clinical Best Solutions - Warszawa

Warsaw, , Poland

Site Status

Centrul Medical Monza SRL - Arensia Exploratory Medicine

Bucharest, , Romania

Site Status

S.C Delta Health Care S.R.L - Ponderas Academic Hospital

Bucharest, , Romania

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Spitalul Clinic "Sf. Maria" - Clinica de Medicina Interna si Reumatologie

Bucharest, , Romania

Site Status

Spitalul Clinic "Sf. Maria" - parent

Bucharest, , Romania

Site Status

Institute of Rheumatology - Rheumatology

Belgrade, , Serbia

Site Status

Institute of Rheumatology

Belgrade, , Serbia

Site Status

University Clinical Center of Serbia - Clinic of Alergology and Imunology

Belgrade, , Serbia

Site Status

Arthritis Clinical Research Trial Unit - Dr CE Spargo and Dr RB Bhorat

Cape Town, , South Africa

Site Status

University of Pretoria Clinical Research Unit - Parent

Pretoria, , South Africa

Site Status

Naidoo, A - Netcare Umhlanga Hospital

Umhlanga, , South Africa

Site Status

Gachon University Gil Medical Center

Incheon, , South Korea

Site Status

Seoul National University Hospital

Seoul, , South Korea

Site Status

Ajou University Hospital

Suwon, , South Korea

Site Status

Hospital General de Castellon - Servicio de Reumatologia

Castelló, , Spain

Site Status

Hospital Regional Universitario de Malaga - Reumatology Dept

Málaga, , Spain

Site Status

Hospital Universitario Marques de Valdecilla - Servicio de Reumatologia

Santander, , Spain

Site Status

Hospital Universitario Rio Hortega - Servicio de Medicina Interna

Valladolid, , Spain

Site Status

Kaohsiung Chang Gung Memorial Hospital

Kaohsiung City, , Taiwan

Site Status

Taipei Veterans General Hospital

Taipei, , Taiwan

Site Status

Countries

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United States Argentina Australia Brazil Bulgaria Chile China Colombia Greece Israel Japan Mauritius Mexico Moldova Philippines Poland Romania Serbia South Africa South Korea Spain Taiwan

Related Links

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Other Identifiers

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2022-000239-21

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

MS200569_0048

Identifier Type: -

Identifier Source: org_study_id

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