Emerging Cell-Based Therapies for Systemic Sclerosis: From Stem Cells to CAR-T Cells

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Systemic sclerosis (SSc) is a disease in which malfunctioning immune cells lead to the formation of autoantibodies that damage blood vessels and body tissues. Fibrosis then develops in the affected organs. Its complex pathogenesis involves multiple immune and stromal cell types, soluble mediators, and dysregulated tissue repair, resulting in heterogeneous clinical manifestations and poor prognosis. Current disease-modifying therapies provide only modest benefits, often slowing but rarely reversing disease progression, and are associated with considerable adverse effects. These limitations have spurred the development of cell-based therapeutic strategies aimed at restoring immune tolerance and promoting tissue repair. In this review, we summarize recent advances in hematopoietic stem cell transplantation, mesenchymal stem cell therapy, and adoptive regulatory T cell transfer and highlight the emerging role of chimeric antigen receptor (CAR)-T cell therapy as a transformative approach for SSc. Collectively, these evolving strategies hold the potential to improve survival, achieve durable remissions, and significantly enhance quality of life for patients with SSc.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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