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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Adult Polymyositis Clear all
Completed Phase 2 Interventional Results available

A Study In Adults With Moderate To Severe Dermatomyositis

NCT03181893
View directory record Official record
Conditions
Dermatomyositis
Interventions
PF-06823859 low, Placebo Arm, PF-06823859 high
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 80 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
35
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Rheumatology Patient Registry and Biorepository

NCT04402086
View directory record Official record
Conditions
Rheumatic Diseases, Adult Onset Still Disease, Ankylosing Spondylitis, Psoriatic Arthritis, Reactive Arthritis, Antiphospholipid Syndrome, Systemic Lupus Erythematosus, Behcet Disease, Dermatomyositis, Polymyositis, Giant Cell Arteritis, Lyme Disease, Mixed Connective Tissue Disease, Polymyalgia Rheumatica, Rheumatoid Arthritis, Sarcoidosis, Systemic Sclerosis, Scleroderma, Sjogren's Syndrome, Undifferentiated Connective Tissue Diseases
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 3 Interventional Results available

Trial to Evaluate the Efficacy and Safety of Abatacept in Combination With Standard Therapy Compared to Standard Therapy Alone in Improving Disease Activity in Adults With Active Idiopathic Inflammatory Myopathy

NCT02971683
View directory record Official record
Conditions
Polymyositis, Dermatomyositis, Autoimmune Necrotizing Myopathy, Overlap Myositis, Juvenile Myositis Above the Age of 18
Interventions
Abatacept subcutaneous, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
25
States / cities
Phoenix, Arizona • Beverly Hills, California • Orange, California + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate Safety of Multi-Dose MEDI-545 in Adult Patients With Dermatomyositis or Polymyositis

NCT00533091
View directory record Official record
Conditions
DERMATOMYOSITIS OR POLYMYOSITIS
Interventions
MEDI-545, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
14
States / cities
Scottsdale, Arizona • Stanford, California • Whittier, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 27, 2012 · Synced Jul 21, 2026, 11:55 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Ravulizumab Versus Placebo in Adult Participants With Dermatomyositis

NCT04999020
View directory record Official record
Conditions
Dermatomyositis
Interventions
Ravulizumab, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Phoenix, Arizona • Irvine, California • Santa Monica, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Enrolling by invitation Phase 3 Interventional

A Study to Assess the Long-term Safety and Efficacy of a Subcutaneous Formulation of Efgartigimod in Adults With Active Idiopathic Inflammatory Myopathy

NCT05979441
View directory record Official record
Conditions
Myositis, Active Idiopathic Inflammatory Myopathy, Dermatomyositis, Polymyositis, Immune-Mediated Necrotizing Myopathy, Antisynthetase Syndrome
Interventions
Efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
18
States / cities
Phoenix, Arizona • Beverly Hills, California • Orange, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Evaluate Safety and Efficacy of Empasiprubart in Adults With Dermatomyositis

NCT06284954
View directory record Official record
Conditions
Dermatomyositis, Myositis
Interventions
Empasiprubart IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
9
States / cities
Oceanside, California • DeBary, Florida • Gainesville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Sodium Thiosulfate for Treatment of Calcinosis Associated With Juvenile and Adult Dermatomyositis

NCT03267277
View directory record Official record
Conditions
Dermatomyositis, Idiopathic Inflammatory Myopathies
Interventions
Sodium Thiosulfate
Drug
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
7 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting Phase 2 Interventional

FAST for DM - Fatty Acid Supplementation Trial (FAST) for Dermatomyositis (DM)

NCT07111065
View directory record Official record
Conditions
Dermatomyositis (DM), Juvenile Dermatomyositis (JDM)
Interventions
FISH OIL 500MG OMEGA-3 SOFT GEL MINIS, Placebo
Dietary Supplement
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional

A Phase 2 Proof of Concept Study to Evaluate the Efficacy and Safety of Daxdilimab in Participants With Dermatomyositis (DM) or Anti-synthetase Inflammatory Myositis (ASIM)

NCT05669014
View directory record Official record
Conditions
Idiopathic Inflammatory Myositis
Interventions
Daxdilimab, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional Results available

Evaluating Safety & Efficacy of Apremilast in the Treatment of Cutaneous Disease in Patients With Recalcitrant Dermatomyositis

NCT03529955
View directory record Official record
Conditions
Dermatomyositis, Adult Type
Interventions
Apremilast 30mg
Drug
Lead sponsor
Tulane University
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Environmental Risk Factors for the Anti-synthetase Syndrome

NCT01276470
View directory record Official record
Conditions
Myositis, Dermatomyositis, Polymyositis, Juvenile Dermatomyositis, Juvenile Polymyositis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years to 100 Years
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
8
States / cities
Miami, Florida • Baltimore, Maryland • Bethesda, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional Results available

Topical Sodium Thiosulfate and Fractional Carbon Dioxide Laser in Treating Dermatomyositis Associated Calcinosis

NCT01572844
View directory record Official record
Conditions
Calcinosis
Interventions
Fractionated Carbon Dioxide (FCO2) Laser, Sodium thiosulfate
Device · Drug
Lead sponsor
Alison Ehrlich
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional

A Study Evaluating the Effects of GLPG3667 Given as Oral Treatment for up to 24 Weeks in Adults With Dermatomyositis

NCT05695950
View directory record Official record
Conditions
Dermatomyositis
Interventions
GLPG3667, Placebo
Drug
Lead sponsor
Lakefront Biotherapeutics NV
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
8
States / cities
Scottsdale, Arizona • Upland, California • Kendall, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed No phase listed Observational

Environmental Risk Factors for Myositis in Military Personnel

NCT01734369
View directory record Official record
Conditions
Dermatomyositis, Adult Polymyositis, Inclusion Body Myositis, Myositis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
7
States / cities
Miami, Florida • Bethesda, Maryland • Research Triangle Park, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

A Study to Investigate the Efficacy and Safety of Efgartigimod PH20 SC in Adult Participants With Active Idiopathic Inflammatory Myopathy.

NCT05523167
View directory record Official record
Conditions
Active Idiopathic Inflammatory Myopathy, Myositis, Dermatomyositis, Polymyositis, Immune-Mediated Necrotizing Myopathy, Antisynthetase Syndrome
Interventions
EFG PH20 SC, PBO
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
40
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Beverly Hills, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting Phase 1 Interventional

Study of KYV-101 Anti-CD19 CAR T Therapy in Adult Dermatomyositis

NCT06298019
View directory record Official record
Conditions
Dermatomyositis
Interventions
KYV-101
Biological
Lead sponsor
Stanford University
Other
Eligibility
25 Years to 72 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2039
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional

A 12-Week Open-Label Study to Investigate the Efficacy and Safety of Brepocitinib in Adults With Skin-Predominant Dermatomyositis

NCT06433999
View directory record Official record
Conditions
Dermatomyositis, Dermatomyositis, Adult Type
Interventions
Brepocitinib
Drug
Lead sponsor
Priovant Therapeutics, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional Results available

An Extension Study for Participants Who Have Completed the Treatment Period of a Qualifying Parent Study

NCT05192200
View directory record Official record
Conditions
Dermatomyositis
Interventions
Anti-Beta Interferon (PF-06823859)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
21
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Beverly Hills, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2025 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Adult and Juvenile Myositis

NCT00017914
View directory record Official record
Conditions
Dermatomyositis, Polymyositis, Inclusion Body Myositis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years to 100 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1995
U.S. locations
4
States / cities
Atlanta, Georgia • Bethesda, Maryland • Research Triangle Park, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting Phase 3 Interventional

A Study to Investigate the Efficacy and Safety of Anifrolumab Administered as Subcutaneous Injection and Added to Standard of Care Compared With Placebo Added to Standard of Care in Adult Participants With Idiopathic Inflammatory Myopathies (Polymyositis and Dermatomyositis)

NCT06455449
View directory record Official record
Conditions
Polymyositis, Dermatomyositis
Interventions
Anifrolumab (blinded), Placebo, Anifrolumab (unblinded, open label)
Combination Product · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 75 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
43
States / cities
Phoenix, Arizona • Irvine, California • Aurora, Colorado + 38 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting Phase 1Phase 2 Interventional

Descartes-08 for Children, Adolescents, and Young Adults With Autoimmune Disorders

NCT07089121
View directory record Official record
Conditions
Childhood-onset Systemic Lupus Erythematous, ANCA-Associated Vasculitis (AAV), Juvenile Myasthenia Gravis, Juvenile Dermatomyositis
Interventions
Descartes-08
Drug
Lead sponsor
Cartesian Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 11:55 PM EDT
Completed Phase 2 Interventional Results available

Rituximab for the Treatment of Refractory Adult and Juvenile Dermatomyositis (DM) and Adult Polymyositis (PM)

NCT00106184
View directory record Official record
Conditions
Myositis, Dermatomyositis, Polymyositis, Juvenile Dermatomyositis
Interventions
Rituximab, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
5 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
27
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Jul 21, 2026, 11:55 PM EDT
Recruiting Phase 1 Interventional

A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD5492 in Adult Participants With Systemic Lupus Erythematosus or Idiopathic Inflammatory Myopathies or Rheumatoid Arthritis.

NCT06916806
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Idiopathic Inflammatory Myopathies, Rheumatoid Arthritis
Interventions
AZD5492
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Anniston, Alabama • Birmingham, Alabama • La Jolla, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 11:55 PM EDT