Case Report: Rapid improvement with upadacitinib in a case of paradoxical skin lesions associated with SAPHO syndrome - Takeaways - MDSpire

Case Report: Rapid improvement with upadacitinib in a case of paradoxical skin lesions associated with SAPHO syndrome

  • By

  • Jinwan Du

  • Yirou Gao

  • Shaohui Geng

  • Chen Li

  • Shike Shang

  • June 4, 2026

  • 0 min

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  • 1

    SAPHO syndrome is a rare autoinflammatory disorder characterized by osteoarticular and cutaneous involvement.

  • 2

    Paradoxical skin lesions can occur during treatment with TNF-α inhibitors in patients with SAPHO syndrome.

  • 3

    A 42-year-old man with SAPHO syndrome showed significant improvement in skin lesions after switching to upadacitinib.

  • 4

    Upadacitinib treatment resulted in sustained control of musculoskeletal symptoms without adverse events.

  • 5

    JAK inhibitors like upadacitinib may offer a therapeutic option for TNF-α inhibitor-induced skin lesions in SAPHO syndrome.

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