Scleroderma, Systemic
Recent clinical, regulatory, research and industry developments relating to this disease.
Chimeric antigen receptor T cell therapy: a new emerging landscape in autoimmune rheumatic diseases.
CD19 CAR T-Cell Therapy in Autoimmune Disease - A Case Series with Follow-up.
Update of EULAR recommendations for the treatment of systemic sclerosis.
Evidence-based detection of pulmonary arterial hypertension in systemic sclerosis: the DETECT study.
Systemic sclerosis: a prototypic multisystem fibrotic disorder.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 3 clinical trials expected to report results, the earliest in Q1 2027.
- Q1 2027A Two-part, Phase 1/2, Randomized, Double-blind, Placebo-controlled, Single-ascending-dose Study of PRO-203 in Healthy Adult Volunteers Followed by an Open-label, Single-ascending-dose With Priming Study of PRO-203 in Participants With Systemic Sclerosis
- Q2 2028SCLEROCAR: A Phase IIa Trial Evaluating the Efficacy of Anti-CD19 Chimeric Antigen Receptor Engineered T-Cells in Patients With Systemic Sclerosis (SSc) Resistant to Immunosuppressive Drugs
- Q2 2029A Phase 2/3, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate The Efficacy And Safety of Belimumab Administered Subcutaneously in Adults With Systemic Sclerosis Associated Interstitial Lung Disease (SSC-ILD)
Clinical MilestonesViewHide
- 2026-06-22SCLEROCAR: A Phase IIa Trial Evaluating the Efficacy of Anti-CD19 Chimeric Antigen Receptor Engineered T-Cells in Patients With Systemic Sclerosis (SSc) Resistant to Immunosuppressive DrugsResults expected Q2 2028
- 2026-06-18A Two-part, Phase 1/2, Randomized, Double-blind, Placebo-controlled, Single-ascending-dose Study of PRO-203 in Healthy Adult Volunteers Followed by an Open-label, Single-ascending-dose With Priming Study of PRO-203 in Participants With Systemic SclerosisResults expected Q1 2027
- 2026-01-12A Phase 2/3, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate The Efficacy And Safety of Belimumab Administered Subcutaneously in Adults With Systemic Sclerosis Associated Interstitial Lung Disease (SSC-ILD)Results expected Q2 2029
- 2026-06-01A Phase 2 Multicenter, Randomized, Double-blind, Placebo-controlled Study to Assess the Safety and Efficacy of Ifetroban in Patients With Diffuse Cutaneous Systemic Sclerosis (SSc) or SSc-associated Pulmonary Arterial Hypertension (SSc-PAH)Primary completion
- 2025-08-30Efficacy of Tofacitinib on Skin Thickening in Diffuse Cutaneous Systemic Sclerosis: A Comparative Study With MethotrexateCompleted
- 2026-06-22ClinicalSCLEROCAR: A Phase IIa Trial Evaluating the Efficacy of Anti-CD19 Chimeric Antigen Receptor Engineered T-Cells in Patients With Systemic Sclerosis (SSc) Resistant to Immunosuppressive DrugsResults expected Q2 2028
- 2026-06-18ClinicalA Two-part, Phase 1/2, Randomized, Double-blind, Placebo-controlled, Single-ascending-dose Study of PRO-203 in Healthy Adult Volunteers Followed by an Open-label, Single-ascending-dose With Priming Study of PRO-203 in Participants With Systemic SclerosisResults expected Q1 2027
- 2026-06-01ClinicalA Phase 2 Multicenter, Randomized, Double-blind, Placebo-controlled Study to Assess the Safety and Efficacy of Ifetroban in Patients With Diffuse Cutaneous Systemic Sclerosis (SSc) or SSc-associated Pulmonary Arterial Hypertension (SSc-PAH)Primary completion
- 2026-01-12ClinicalA Phase 2/3, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate The Efficacy And Safety of Belimumab Administered Subcutaneously in Adults With Systemic Sclerosis Associated Interstitial Lung Disease (SSC-ILD)Results expected Q2 2029
- 2025-08-30ClinicalEfficacy of Tofacitinib on Skin Thickening in Diffuse Cutaneous Systemic Sclerosis: A Comparative Study With MethotrexateCompleted
Research-associated treatments
Drugs and agents co-studied with this disease across the research literature — associative, not necessarily established treatments. Number shows shared papers.
Clinical trials
The current development programme across all trial phases.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes8
- Immunotherapy, Adoptive2
- Algorithms1
- Antigens, CD191
- Autoimmune Diseases1
- Autoimmunity1
- Lupus Erythematosus, Systemic1
- Myeloablative Agonists1
- Myositis1
Leading journals5
- Annals of the rheumatic diseases2
- Rheumatology (Oxford, England)1
- Scientific reports1
- The Journal of clinical investigation1
- The New England journal of medicine1
Leading researchers8
- Denton CP2
- Distler JHW2
- Distler O2
- Khanna D2
- Müller-Ladner U2
- Abraham D1
- Aigner M1
- Allanore Y1
Affiliations (unnormalised)6
- Department of Rheumatology and Clinical Immunology2
- University Hospital Zurich2
- and the Institute of Clinical Microbiology1
- Basel University1
- Center for Medical Statistics1
- Central Manchester NHS Foundation Trust1
Related conditions
Diseases frequently studied alongside this one. Number shows shared papers.
Disease profile
A grounded synthesis of the condition — overview, causes, mechanism, risk factors and current standard of care.
Systemic scleroderma, or systemic sclerosis, is a chronic multisystem connective tissue disorder. It is characterized by sclerosis affecting the skin and internal organs including the lungs, heart, gastrointestinal tract, kidneys, and musculoskeletal system. The disease is also marked by small-vessel involvement and autoantibodies, and it is classified into limited and diffuse subsets based on the extent of skin thickening.
The supplied grounding does not identify a single cause or definitive aetiology. It indicates that autoimmunity and vasculopathy characteristically precede fibrosis in systemic sclerosis. Beyond that, no specific causal trigger is supported here.
Systemic sclerosis is described as a prototypic multisystem fibrotic disorder in which fibrosis affects multiple organs rather than a single tissue. The grounding emphasizes that autoimmunity and vasculopathy occur before fibrosis, and that diseased small blood vessels are a key feature. Fibrosis is the major process underlying morbidity and mortality, but the supplied material does not support a more detailed mechanism.
The supplied grounding does not provide specific risk factors for developing systemic sclerosis. It does support that the disease is associated with autoimmunity and vasculopathy as characteristic early features. No additional demographic, environmental, or clinical risk factors are supported here.
Treatment is described at the level of immunomodulatory therapy, with cyclophosphamide appearing as a co-studied drug. The EULAR update indicates that management is based on evidence across multiple interventions, but the supplied abstract does not list specific recommendations. The grounding also notes emerging immune-cell approaches such as CD19-targeting CAR-T therapy in refractory autoimmune rheumatic disease, including systemic sclerosis, but this is presented as investigational rather than established standard care.
AI-generated summary grounded in MeSH and 3 peer-reviewed sources. Informational only — not medical advice. Generated 2026-07-07.
Reference
Authoritative identity, definition & identifiers.
A chronic multi-system disorder of CONNECTIVE TISSUE. It is characterized by SCLEROSIS in the SKIN, the LUNGS, the HEART, the GASTROINTESTINAL TRACT, the KIDNEYS, and the MUSCULOSKELETAL SYSTEM. Other important features include diseased small BLOOD VESSELS and AUTOANTIBODIES. The disorder is named for its most prominent feature (hard skin), and classified into subsets by the extent of skin thickening: LIMITED SCLERODERMA and DIFFUSE SCLERODERMA.
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.