Abstract
Juvenile-onset systemic sclerosis (jSSc) is a rare and life-threatening disease with no formal studies evaluating the indications for, access to, or benefits of autologous stem cell transplantation (ASCT). As a first step toward understanding pediatric jSSc specialist thoughts and experiences with ASCT, we conducted a multinational survey. An electronic survey was developed and distributed in November 2023 to members of the Pediatric Rheumatology European Society (PRES) and/or Childhood Arthritis and Rheumatology Research Alliance (CARRA) pediatric scleroderma workgroups. Twenty-nine (69%) jSSc specialists completed the survey. All participants have considered or would consider ASCT referral for a jSSc patient. Nearly all respondents indicated disease-modifying anti-rheumatic drugs (DMARDs) should be trialed prior to ASCT referral, with most indicating two to four DMARDs. The most common reasons selected for referral were rapidly progressive disease (despite DMARD) (90%), followed by severe disease status (83%), and significant impact on quality of life (83%). All respondents selected pulmonary disease as an indication for referral, followed by cardiac (93%), gastrointestinal (72%), and skin disease (66%). While pulmonary and cardiac involvement were considered individually sufficient for referral for ASCT, only a minority considered musculoskeletal involvement (28%) sufficient on its own. This survey is the first explore thoughts and experience with ASCT for jSSc. Results indicate pediatric rheumatologists were aware of and would consider ASCT for their patients. Our results indicate there is likely some variability in clinical practice regarding who is referred for ASCT, and further research is needed to guide development of evidence-based clinical care guidelines.
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