Clinical trial Recruiting at 24 sites Phase 3 Interventional Ages 18 and up

Understanding how dazukibart works in patients with inflammatory muscle diseases

Official title: A PHASE 3, MULTI-CENTER, OPEN-LABEL EXTENSION STUDY TO INVESTIGATE THE LONG-TERM SAFETY, TOLERABILITY, AND EFFICACY OF DAZUKIBART IN PARTICIPANTS WITH IDIOPATHIC INFLAMMATORY MYOPATHIES (INCLUDING PARTICIPANTS WITH DERMATOMYOSITIS OR POLYMYOSITIS)

Run by Pfizer · NCT06698796 · Data updated 2026-11-12

This study is testing how well the medication dazukibart works for people with inflammatory muscle diseases like dermatomyositis and polymyositis to see if it helps reduce muscle inflammation and improve strength.

More Dermatomyositis trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment211 (estimated)
SponsorPfizer
Industry-sponsored
Locations26 sites (Glendale, Arizona and 25 other locations)
StatusRecruiting
StartedJanuary 22, 2025
Main results expectedJuly 29, 2031
Study endsJuly 29, 2031
Registry record updatedAugust 25, 2026
Trial IDNCT06698796 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals who have previously participated in a study involving dazukibart and have completed the required follow-up.

Probably not a fit

Patients with active infections, recent suicidal ideation, or those currently on prohibited medications may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to investigate the effects of the medication dazukibart in individuals diagnosed with idiopathic inflammatory myopathies, specifically dermatomyositis and polymyositis. Participants must have previously completed a qualifying study involving dazukibart and will be monitored for their response to the treatment. The study focuses on understanding the medication's mechanism and its impact on muscle inflammation and function. By assessing muscle strength and overall health, the study seeks to provide insights into improving treatment for these debilitating conditions.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment options for patients suffering from idiopathic inflammatory myopathies.

How similar studies have gone: While there have been studies on similar medications, the specific approach of using dazukibart in this context is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants that completed a qualifying study through Week 52.

Exclusion Criteria:

* Any medical or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation.
* Previous administration with an investigational product (drug or vaccine) other than dazukibart in a qualifying study within 30 days (or as determined by the local requirement) or 5 half-lives preceding baseline in this study (whichever is longer).
* Current use of any prohibited concomitant medication(s).
* Active bacterial, viral, fungal, mycobacterial or other infections.
* Ongoing adverse event in a qualifying study or the participant has met safety monitoring criteria in a qualifying study that have not resolved.
* Investigator site staff or sponsor employees directly involved in the conduct of the study, site staff otherwise supervised by the investigator, and their respective family members.

Where it's running

  • AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Glendale
    Glendale, Arizona, United States
    Recruiting
  • Nerve & Muscle Center of Texas
    Houston, Texas, United States
    Recruiting
  • IR Medical Center SA - Instituto de Reumatologia
    Mendoza, Mendoza Province, Argentina
    Recruiting
  • Centro de Investigaciones Médicas Tucuman
    SAN M. de Tucuman, Tucumán Province, Argentina
    Recruiting
  • Medical Center Artmed
    Plovdiv, Bulgaria
    Recruiting
  • Anhui Provincial Hospital
    Hefei, Anhui, China
    Recruiting
Show 20 more locations
  • The Second Affiliated Hospital of Nanchang University
    Nanchang, Jiangxi, China
    Recruiting
  • The Second Affiliated Hospital of Nanchang University
    Nanchang, Jiangxi, China
    Recruiting
  • Renji Hospital Shanghai Jiao Tong University School of Medicine
    Shanghai, Shanghai Municipality, China
    Recruiting
  • Renji Hospital Shanghai Jiao Tong University School of Medicine
    Shanghai, Shanghai Municipality, China
    Recruiting
  • First Affiliated Hospital of Kunming Medical University
    Kunming, Yunnan, China
    Recruiting
  • Peking Union Medical College Hospital
    Beijing, China
    Recruiting
  • Debreceni Egyetem Klinikai Kozpont
    Debrecen, Hungary
    Recruiting
  • Medanta - The Medicity
    Gurugram, Haryana, India
    Recruiting
  • CHARM HEALTHCARE PRIVATE LIMITED (Previously Dr Shenoy's Care Private Limited)
    Ernākulam, Kerala, India
    Recruiting
  • Sheba Medical Center
    Ramat Gan, Central District, Israel
    Recruiting
  • Institute of Science Tokyo Hospital
    Bunkyo-ku, Tokyo, Japan
    Recruiting
  • Nippon Medical School Hospital
    Bunkyo-ku, Tokyo, Japan
    Recruiting
  • Cryptex Investigación Clínica S.A. de C.V.
    Cuauhtémoc, Mexico City, Mexico
    Recruiting
  • Narodowy Instytut Geriatrii, Reumatologii i Rehabilitacji
    Warsaw, Masovian Voivodeship, Poland
    Recruiting
  • Nova Reuma Domyslawska i Rusilowicz Spolka Partnerska Lekarza Reumatologa i Fizjoterapeuty
    Bialystok, Podlaskie Voivodeship, Poland
    Recruiting
  • Chi Mei Medical Center
    Tainan, Taiwan
    Recruiting
  • National Taiwan University Hospital
    Taipei, Taiwan
    Recruiting
  • Hacettepe Universite Hastaneleri
    Altindağ, Ankara, Turkey (Türkiye)
    Recruiting
  • Arthritis & Rheumatology Research Institute, PLLC
    Frisco, Texas, United States
    Not yet recruiting
  • Rheumatology & Pulmonary Clinic
    Beckley, West Virginia, United States
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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  • Using CAR-T cells to treat autoimmune diseases

    This study is testing a new treatment using modified T cells to see if it can help people with autoimmune diseases by targeting and removing harmful B cells.

    Recruiting Phase 1/2 Miltenyi Biomedicine GmbH · Erlangen, Bavaria · NCT06347718

  • Registry and biorepository for rheumatic diseases

    This study is collecting samples and health information from adults with rheumatic diseases at Yale clinics to help researchers learn more about these conditions and improve future treatments.

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  • Investigating environmental factors linked to anti-synthetase syndrome

    This study is trying to see if certain environmental factors, like infections or other triggers, might play a role in causing anti-synthetase syndrome in people with myositis.

    Recruiting at 2 sites National Institutes of Health Clinical Center (CC) · Miami, Florida and 7 other locations · NCT01276470

  • Evaluating causes and effects of myositis in adults and children

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    Recruiting at 2 sites National Institutes of Health Clinical Center (CC) · Atlanta, Georgia and 3 other locations · NCT00017914

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.