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Showing 1–24 of 94 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polymyositis Clear all
Completed Early Phase 1 Interventional

Phase 1 Study of ULSC in Patients With Polymyositis (PM) and Dermatomyositis (DM)

NCT04723303
View directory record Official record
Conditions
Polymyositis, Dermatomyositis
Interventions
Umbilical Cord Lining Stem Cells
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jul 21, 2026, 9:56 AM EDT
Active, not recruiting Phase 2 Interventional

Phase 2 Study of Rapcabtagene Autoleucel in Myositis

NCT06665256
View directory record Official record
Conditions
Idiopathic Inflammatory Myopathies
Interventions
Rapcabtagene autoleucel, Active Comparator Option
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
10
States / cities
Birmingham, Alabama • Zephyrhills, Florida • Augusta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 21, 2026, 9:56 AM EDT
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, 9:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic and Family Studies of Inherited Muscle Diseases

NCT00001331
View directory record Official record
Conditions
Dermatomyositis, Glycogen Storage Disease Type II, Glycogen Storage Disease Type VII, Myositis, Polymyositis
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Jul 21, 2026, 9:56 AM EDT
Completed Phase 2 Interventional

Methimazole to Treat Polymyositis and Dermatomyositis

NCT00001421
View directory record Official record
Conditions
Dermatomyositis, Polymyositis
Interventions
methimazole
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 9:56 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Belimumab in Idiopathic Inflammatory Myositis

NCT02347891
View directory record Official record
Conditions
Myositis
Interventions
Belimumab, Placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Jul 21, 2026, 9:56 AM EDT
Recruiting No phase listed Observational

Rheumatology Diet Study

NCT06339957
View directory record Official record
Conditions
Diet Habit, Rheumatologic Disease, Autoimmune Diseases, Rheumatoid Arthritis, Psoriatic Arthritis, Ankylosing Spondylitis, Dermatomyositis/polymyositis, Sjogren's Syndrome, Systemic Lupus Erythematous, Scleroderma, Fibromyalgia
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Jul 21, 2026, 9:56 AM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of h5G1.1-mAb for Dermatomyositis

NCT00005571
View directory record Official record
Conditions
Dermatomyositis
Interventions
h5G1.1-mAb
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 9:56 AM EDT
Completed No phase listed Observational

Spontaneous Coronary Artery Dissection (SCAD) and Autoimmunity

NCT03941184
View directory record Official record
Conditions
SCAD, Addison Disease, Ankylosing Spondylitis, Antiphospholipid Antibody Syndrome, Celiac Disease, Crohn Disease, Dermatomyositis, Polymyositis, Guillain-Barre Syndrome, Hepatitis, Autoimmune, Graves Disease, Hashimoto Thyroiditis, Multiple Sclerosis, Myasthenia Gravis, Pernicious Anemia, Polymyalgia Rheumatica, Primary Biliary Cirrhosis, Psoriasis, Rheumatoid Arthritis, Systemic Sclerosis, Sjögren Syndrome, Systemic Lupus Erythematosus, Takayasu Arteritis, Type 1 Diabetes Mellitus, Ulcerative Colitis, Uveitis, Vasculitis, Vitiligo, Raynaud
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 110 Years
Enrollment
114 participants
Timeline
1995 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Jul 21, 2026, 9:56 AM EDT
Completed No phase listed Observational

Studies of the Natural History and Pathogenesis of Autoimmune/Connective Tissue Diseases

NCT00341679
View directory record Official record
Conditions
Autoimmune/Connective Tissue Diseases, Idiopathic Inflammatory Myopathies, Polymyositis, Dermatomyositis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
2 Years and older
Enrollment
719 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 9:56 AM 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, 9:56 AM EDT
Completed Phase 1 Interventional

A Study to Evaluate VIB7734 in Participants With Systemic Lupus Erythematosus (SLE), Cutaneous Lupus Erythematosus (CLE), Sjogren's Syndrome, Systemic Sclerosis, Polymyositis, and Dermatomyositis

NCT03817424
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Cutaneous Lupus Erythematosus, Sjogren's Syndrome, Systemic Sclerosis, Polymyositis, Dermatomyositis
Interventions
VIB7734, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
19
States / cities
Anniston, Alabama • Birmingham, Alabama • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Jul 21, 2026, 9:56 AM EDT
Terminated Phase 2 Interventional Results available

Safety, Tolerability, and Efficacy of JBT-101 in Subjects With Dermatomyositis

NCT02466243
View directory record Official record
Conditions
Dermatomyositis
Interventions
JBT-101, Placebo
Drug
Lead sponsor
Corbus Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Jul 21, 2026, 9:56 AM 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, 9:56 AM EDT
Recruiting Phase 3 Interventional

A Study to Understand How the Study Medicine Dazukibart Works in People With Idiopathic Inflammatory Myopathies

NCT06698796
View directory record Official record
Conditions
Dermatomyositis, Polymyositis
Interventions
Dazukibart
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Glendale, Arizona • Allen, Texas • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jul 21, 2026, 9:56 AM 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, 9:56 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of BAF312 in Dermatomyositis

NCT02029274
View directory record Official record
Conditions
Active Dermatomyositis
Interventions
BAF312, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
6
States / cities
Phoenix, Arizona • Los Angeles, California • Orange, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Jul 21, 2026, 9:56 AM EDT
Recruiting Phase 2 Interventional

Topical Ruxolitinib Cream for Refractory Cutaneous Dermatomyositis

NCT06857240
View directory record Official record
Conditions
Dermatomyositis
Interventions
Ruxolitinib Topical Cream
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Jul 21, 2026, 9:56 AM EDT
Recruiting No phase listed Observational

Clinical Responsiveness of Dermatomyositis Using Cutaneous Dermatomyositis Disease Area and Severity Index (CDASI)

NCT02945345
View directory record Official record
Conditions
Dermatomyositis
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jul 21, 2026, 9:56 AM EDT
Recruiting Phase 1 Interventional

Phase 1b Trial of RAY121 in Immunological Diseases (RAINBOW Trial)

NCT06371417
View directory record Official record
Conditions
Antiphospholipid Syndrome (APS), Bullous Pemphigoid (BP), Behçet's Syndrome (BS), Dermatomyositis (DM), Immune-mediated Necrotizing Myopathy (IMNM), Immune Thrombocytopenia (ITP)
Interventions
RAY121
Drug
Lead sponsor
Chugai Pharmaceutical
Industry
Eligibility
18 Years to 85 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
11
States / cities
Orange, California • Baltimore, Maryland • Lake Success, New York + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Jul 21, 2026, 9:56 AM 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, 9:56 AM EDT
Recruiting Phase 2Phase 3 Interventional

Safety and Efficacy of ULSC on Disease Severity and Steroid Tapering in Participants With Dermatomyositis/ Polymyositis (DM/PM), Also Known as Idiopathic Inflammatory Myopathy (IIM)

NCT07160205
View directory record Official record
Conditions
Idiopathic Inflammatory Myositis (IIM), DERMATOMYOSITIS OR POLYMYOSITIS
Interventions
ULSC (1.5 x 10^8 cells/dose), Placebo (no cells)
Biological
Lead sponsor
Restem, LLC.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Gainesville, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Jul 21, 2026, 9:56 AM 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, 9:56 AM EDT
Recruiting No phase listed Observational

A Long-Term Follow-Up Study for Participants Previously Treated With KYV-101

NCT07403188
View directory record Official record
Conditions
Refractory Lupus Nephritis, Myasthaenia Gravis, Stiff Person Syndrome, Rheumatoid Arthritis (RA), Multiple Sclerosis, Dermatomyositis, Systemic Sclerosis (SSc)
Interventions
KYV-101
Drug
Lead sponsor
Kyverna Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2041
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Jul 21, 2026, 9:56 AM EDT