Adopting a Standard of Care for Systemic Sclerosis: The Mayo Clinic Experience.

Authors

Ernesto Ayala, Madiha Iqbal, Tristan Meier, Terri Menser, Yihong Deng, Hemant Murthy, James Foran, Sikander Ailawadhi, Ricardo Parrondo, Mohamed Kharfan-Dabaja, Vivek Roy, Andy Abril

Published in

Arthritis care & research. Jul 31, 2026. Epub Jul 31, 2026.

Abstract

Systemic sclerosis (SSc) is an autoimmune disease marked by immune dysregulation, leading to progressive fibrosis and multiorgan dysfunction. Autologous hematopoietic cell transplantation (autoHCT) has demonstrated superiority over conventional immunosuppression in randomized trials, yet remains underutilized in the United States. We report outcomes following implementation of autoHCT as a standard-of-care strategy at our institution.
We performed a retrospective analysis of consecutive patients with severe SSc undergoing autoHCT between April 1, 2020 and December 31, 2023. Eligibility required progressive disease despite standard immunosuppressive therapy. Primary endpoints were overall survival (OS) and event free survival (EFS). Secondary endpoints included cumulative incidence of relapse and non-relapse mortality (NRM), organ-specific outcomes, and transplant-related complications.
Twenty-five patients underwent autoHCT. Median age was 46 years; 80% were female. At a median follow-up of 23 (IQR 16.4-31.9) months, 2-year OS was 91.67% (95% CI 81.25-100.0) and EFS was 74.51% (95% CI 58.78-94.45). Two-year cumulative incidence of relapse was 23.93% (95%CI 4.27 -43.59), and NRM was 8.33%(95% CI 2.97 -19.64). Significant improvement in modified Rodnan Skin Score was observed at day +90 and +180 (p<0.05), while pulmonary function stabilized. Infectious complications occurred in 56% of patients, primarily viral reactivations.
Implementation of autoHCT for severe SSc in a multidisciplinary care model was associated with favorable survival and meaningful improvement in skin disease, with acceptable toxicity. Earlier referral and optimization of conditioning strategies may further reduce relapse and treatment-related morbidity.

PMID:
42533863
Bibliographic data and abstract were imported from PubMed on 31 Jul 2026.

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