Abstract
Immunotherapy using immune checkpoint inhibitors is not devoid of immune-related adverse events (irAEs) including rheumatological conditions. We report a rare case of a 47-year-old woman with metastatic melanoma who developed systemic scleroderma after initiating nivolumab. The patient displayed inflammatory arthralgias, morning stiffness, and classical cutaneous manifestations of the disease. Clinical evaluations also revealed carpal tunnel syndrome, cardiac involvement, and dyspnea. RNA-Polymerase III antibodies were positive. Nivolumab, an anti-PD-1 antibody, was considered as a potential trigger for this condition. To our knowledge, this is the first case of nivolumab-induced systemic scleroderma in the context of melanoma described in the literature that fulfills the classification criteria of the disease. This case underscores the need for increased awareness of immune-related adverse events in patients receiving immune checkpoint inhibitors, emphasizing timely intervention and further research.
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