Abstract

Objective: Patients with diffuse cutaneous systemic sclerosis (dcSSc) frequently show spontaneous improvement of skin fibrosis. Our aim was to examine whether an improvement in skin fibrosis predicts lower likelihood of visceral organ progression and better survival. Methods: Patients from the European Scleroderma Trials and Research (EUSTAR) cohort with dcSSc, baseline modified Rodnan skin score (mRSS) ≥7, and valid mRSS at 12±3 months follow up were included. Regression/progression of skin fibrosis was defined as a decrease/increase in mRSS >5 points and≥25% from baseline to follow up. The outcomes included progression of lung, renal, cardiac and gastrointestinal manifestations using consensus derived definitions and all-cause death. Regressive, stable and progressive patients were compared by univariate, Kaplan-Meier survival curve and Cox regression analysis. Results: Of 1257 included patients, 883 (70.2%) were stable, 282 (22.4%) regressive, and 92 (7.3%) progressive. Regressive patients, adjusted for baseline mRSS, baseline immunosuppression, baseline FVC, and disease duration, showed a significantly lower probability of FVC decline ≥10% than progressive patients (p=0.00003), lower probability of all-cause mortality during follow up (p=0.035) compared to progressive patients.Improvement of skin fibrosis was not associated with progression of other organ manifestations. Conclusion: We found that regression of skin fibrosis is associated with a lower probability of lung progression and better survival at follow up. The link between the disease course of skin and lung fibrosis in SSc can help to better stratify patients in clinical practice and enrich for ILD progressive patients in clinical trials.

Original languageEnglish
Article number187
JournalArthritis Research and Therapy
Volume26
Issue number1
DOIs
StatePublished - Dec 2024

Funding

FundersFunder number
Merete Engelhart Hellerup (Denmark) 93 Eric Hachulla Lille
Eduardo Kerzberg Buenos Aires
Massimiliano Limonta Bergamo
7 Radim Becvar Prague
Francesco Del Galdo Leeds
Piercarlo Sarzi Puttini Milano
Paloma García de la Peña Lefebvre Madrid (Spain) 172 Jean Sibilia Strasbourg
220 Lorenzo Dagna Milano
Simona Rednic Cluj-Napoca
Lorinda S Chung Stanford (USA) 192 Tim Schmeiser Wuppertal-Elberfeld
Yannick Allanore Paris
Rosario Foti Catania
Luc Mouthon Paris
137 Svetlana Agachi Chisinau
216 Ana-Maria Ramazan Constanta City
Mislav Radic Split (Croatia) 42 Alexandra Balbir-Gurman Haifa (Israel) 44 Nicolas Hunzelmann Köln
Bernard Coleiro Balzan
Dominik Majewski Poznan (Poland) 198 Vera Bernardino Lisboa
Michele Iudici Geneva
Ina Kötter Hamburg
Douglas Veale Dublin
Petros Sfikakis Athens
Lidia P. Ananieva Moscow
Dominique Farge Bancel Paris
Bojana Stamenkovic Niska Banja (Serbia) 74 Carlo Francesco Selmi Rozzano, Milano (Italy) 77 Mohammed Tikly Johannesburg
Florenzo Iannone Bari
Cord Sunderkötter Münster (Germany) 110 Francesca Ingegnoli Milano
Srdan Novak Rijeka
Susanne Ullman Copenhagen
Nemanja Damjanov Belgrade

    Keywords

    • Observation studies
    • Rare diseases
    • Respiratory
    • Scleroderma and related disorders
    • Skin

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