Understanding how dazukibart works in patients with inflammatory muscle diseases

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)

Phase 3 Interventional Pfizer · NCT06698796

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.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment211 (estimated)
Ages18 Years and up
SexAll
SponsorPfizer Industry-sponsored
Locations7 sites (Glendale, Arizona and 6 other locations)
Trial IDNCT06698796 on ClinicalTrials.gov

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.

Who should consider this trial

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

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

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

Eligibility criteria

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 this trial is running

Glendale, Arizona and 6 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions DermatomyositisPolymyositis
Last reviewed 2026-06-13 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.