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ClinicalTrials.gov public records Last synced May 21, 2026, 5:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Stiff Person Syndrome Clear all
Not yet recruiting Phase 2 Interventional
View directory record Official record
Conditions
Stiff-Person Syndrome
Interventions
Efgartigimod
Biological
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced May 21, 2026, 5:56 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Stiff-Person Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
25 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 5:56 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Autoimmune Disease, Neurologic Autoimmune Disease, Autologous Transplant Autoimmune, Multiple Sclerosis Transplant, MS Stem Cell Transplant, Multiple Sclerosis Stem Cell Transplant, Stiff Person Syndrome, HCT for Neurologic Autoimmune Disorders, CIDP Transplant, Myasthenia Gravis Transplant, Autoimmune Nervous System Disorder, Central Nervous System Vasculitis, Cerebellar Degeneration, Chronic Inflammatory Demyelinating Polyneuropathy, Lambert Eaton Myasthenic Syndrome, Myasthenia Gravis, Neuromyelitis Optica, Opsoclonus Myoclonus Syndrome, Rasmussen Subacute Encephalitis
Interventions
Anti-Thymocyte Globulin, Autologous Hematopoietic Stem Cell Transplantation, Carmustine, Cytarabine, Etoposide, Laboratory Biomarker Analysis, Melphalan, Peripheral Blood Stem Cell Transplantation, Prednisone, Syngeneic Bone Marrow Transplantation
Biological · Procedure · Drug + 1 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Up to 71 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2030
U.S. locations
3
States / cities
Denver, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced May 21, 2026, 5:56 PM EDT
Withdrawn Phase 3 Interventional
View directory record Official record
Conditions
Stiff-Person Syndrome
Interventions
Intravenous Immunoglobulins, Human, Placebos
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced May 21, 2026, 5:56 PM EDT
Terminated Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Stiff-Person Syndrome
Interventions
Autologous Hematopoietic Stem Cells, Cyclophosphamide, Mesna, rATG, Methylprednisolone, G-CSF, Rituxan
Biological · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 60 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced May 21, 2026, 5:56 PM EDT
Recruiting No phase listed Observational
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 May 21, 2026, 5:56 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Stiff-Person Syndrome
Interventions
SCS trial lead
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 21, 2026, 5:56 PM EDT
Enrolling by invitation Phase 1 Interventional
View directory record Official record
Conditions
Lupus Nephritis, Autoimmune Diseases, Systemic Sclerosis (SSc), Systemic Lupus Erythematosus (SLE), ANCA-Associated Vasculitis (AAV), Idiopathic Inflammatory Myopathies, Stiff Person Syndrome
Interventions
ADI-001, Fludarabine, Cyclophosphamide
Drug
Lead sponsor
Adicet Therapeutics
Industry
Eligibility
18 Years to 80 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Redwood City, California • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced May 21, 2026, 5:56 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Stiff Person Syndrome
Interventions
Rituximab, rituximab or placebo
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
25 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2011 · Synced May 21, 2026, 5:56 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Stiff-Person Syndrome, SPS
Interventions
Standard lymphodepletion regimen
Biological
Lead sponsor
Kyverna Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Aurora, Colorado • Rochester, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced May 21, 2026, 5:56 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Muscle Rigidity, Spasm, Stiff Man Syndrome
Interventions
IVIg
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2006 · Synced May 21, 2026, 5:56 PM EDT