A Study to Investigate the Efficacy and Safety of Brepocitinib in Adults With Dermatomyositis

NCT ID: NCT05437263

Last Updated: 2025-09-29

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

PHASE3

Total Enrollment

241 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-10-31

Study Completion Date

2026-07-31

Brief Summary

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This is a phase 3, multicenter, randomized, placebo-controlled, double-blind study of treatment with brepocitinib (TYK2/JAK1 inhibitor) in adults with dermatomyositis (DM). The primary objective of this study is to assess the efficacy of two dose levels of brepocitinib in comparison to placebo, as measured by differences in the Total Improvement Score (TIS). After 52 weeks of double-blind treatment, participants have the option to continue therapy in a 52 week open-label extension phase where all participants will receive brepocitinib.

Detailed Description

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Conditions

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Dermatomyositis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Brepocitinib Dose Level 1 PO QD

Group Type EXPERIMENTAL

Brepocitinib

Intervention Type DRUG

Oral Brepocitinib

Brepocitinib Dose Level 2 PO QD

Group Type EXPERIMENTAL

Brepocitinib

Intervention Type DRUG

Oral Brepocitinib

Placebo PO QD

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Oral Placebo

Interventions

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Brepocitinib

Oral Brepocitinib

Intervention Type DRUG

Placebo

Oral Placebo

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* A diagnosis of dermatomyositis according to 2017 EULAR/ACR Classification Criteria for Idiopathic Inflammatory Myopathies
* Adult subjects (18-75 years old)
* Active muscle and skin disease at screening and baseline
* Prior therapy OR current therapy with corticosteroids, hydroxychloroquine, and/or one non-steroid immunosuppressant
* Weight \> 40 kg to \< 130 kg, and with a body mass index (BMI) \< 40 kg/m2.

Exclusion Criteria

* Dermatomyositis with end-stage organ involvement
* Dermatomyositis with irreversible muscle involvement
* History of:

* Any lymphoproliferative disorder
* Active malignancy;
* History of cancer within 5 years prior to randomization (exceptions for basal cell carcinoma, squamous cell carcinoma, ductal carcinoma in situ of the breast, carcinoma in situ of the uterine cervix, or thyroid carcinoma.)
* Cancer-associated dermatomyositis
* Overlap myositis/connective tissue disease (except for overlap with Sjögren's syndrome)
* Participants at a risk of thrombosis or cardiovascular disease
* Participants with a high risk for herpes zoster reactivation
* Participants with active or recent infections
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Priovant Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Phoenix, Arizona, United States

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Scottsdale, Arizona, United States

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Scottsdale, Arizona, United States

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Irvine, California, United States

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Los Angeles, California, United States

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San Francisco, California, United States

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Aurora, Colorado, United States

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Denver, Colorado, United States

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Boynton Beach, Florida, United States

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Gainesville, Florida, United States

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Jacksonville, Florida, United States

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Plantation, Florida, United States

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Tampa, Florida, United States

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Atlanta, Georgia, United States

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Augusta, Georgia, United States

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Marietta, Georgia, United States

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Chicago, Illinois, United States

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Iowa City, Iowa, United States

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Kansas City, Kansas, United States

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New Orleans, Louisiana, United States

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New Orleans, Louisiana, United States

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Baltimore, Maryland, United States

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Boston, Massachusetts, United States

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Ann Arbor, Michigan, United States

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Minneapolis, Minnesota, United States

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Rochester, Minnesota, United States

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Manhasset, New York, United States

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New York, New York, United States

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New York, New York, United States

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Cincinnati, Ohio, United States

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Cleveland, Ohio, United States

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Oklahoma City, Oklahoma, United States

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Portland, Oregon, United States

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Philadelphia, Pennsylvania, United States

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Pittsburgh, Pennsylvania, United States

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Jackson, Tennessee, United States

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Austin, Texas, United States

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Houston, Texas, United States

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Irving, Texas, United States

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Quilmes, Buenos Aires, Argentina

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Caba, Buenos Aires F.D., Argentina

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Mendoza, , Argentina

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Leuven, , Belgium

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Plovdiv, , Bulgaria

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Plovdiv, , Bulgaria

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Plovdiv, , Bulgaria

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Sofia, , Bulgaria

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Vancouver, British Colombia, Canada

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Newmarket, Ontario, Canada

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Concepción, Región del Biobío, Chile

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Recoleta, , Chile

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Santiago, , Chile

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Santiago, , Chile

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Temuco, , Chile

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Prague, , Czechia

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Mainz, Rhineland-Palatinate, Germany

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Berlin, , Germany

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Berlin, , Germany

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Dresden, , Germany

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Essen, , Germany

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Freiburg im Breisgau, , Germany

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Debrecen, , Hungary

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Pécs, , Hungary

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Szeged, , Hungary

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Ashkelon, , Israel

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Haifa, , Israel

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Poria – Neve Oved, , Israel

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Tel Aviv, , Israel

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Tel Litwinsky, , Israel

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Bari, , Italy

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Pavia, , Italy

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Roma, , Italy

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Torino, , Italy

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Monterrey, Nuevo León, Mexico

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Mérida, Yucatán, Mexico

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Guadalajara, , Mexico

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Mexico City, , Mexico

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San Luis Potosí City, , Mexico

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Nijmegen, Gelderland, Netherlands

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Amsterdam, , Netherlands

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Bialystok, Podlaskie Voivodeship, Poland

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Krakow, , Poland

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Lublin, , Poland

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Lublin, , Poland

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Nowa Sól, , Poland

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Poznan, , Poland

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Warsaw, , Poland

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Vila Nova de Gaia, Porto District, Portugal

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Guimarães, , Portugal

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Lisbon, , Portugal

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Porto, , Portugal

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Bucharest, , Romania

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Cluj-Napoca, , Romania

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Belgrade, , Serbia

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Seoul, , South Korea

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Suwon, , South Korea

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Madrid, , Spain

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Kaohsiung City, , Taiwan

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Taichung, , Taiwan

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Tainan City, , Taiwan

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Taipei, , Taiwan

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Ankara, , Turkey (Türkiye)

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Antalya, , Turkey (Türkiye)

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Istanbul, , Turkey (Türkiye)

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Izmir, , Turkey (Türkiye)

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İzmit, , Turkey (Türkiye)

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Bath, , United Kingdom

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Manchester, , United Kingdom

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Wolverhampton, , United Kingdom

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Countries

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United States Argentina Belgium Bulgaria Canada Chile Czechia Germany Hungary Israel Italy Mexico Netherlands Poland Portugal Romania Serbia South Korea Spain Taiwan Turkey (Türkiye) United Kingdom

Related Links

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Other Identifiers

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2022-500367-12-00

Identifier Type: REGISTRY

Identifier Source: secondary_id

PVT-2201-301

Identifier Type: -

Identifier Source: org_study_id

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