Case Report: Rapid improvement with upadacitinib in a case of paradoxical skin lesions associated with SAPHO syndrome - Scorecard - 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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Clinical Scorecard: Clinical Observation: Significant Recovery with Upadacitinib in a Patient Exhibiting Paradoxical Skin Lesions Linked to SAPHO Syndrome

At a Glance

CategoryDetail
Condition
Key MechanismsInvolvement of proinflammatory cytokines TNF-α and IL-17; JAK/STAT signaling pathway.
Target Population
Care Setting

Key Highlights

  • Patient experienced paradoxical skin lesions after TNF-α inhibitor treatment.
  • Initial treatment with etoricoxib and methotrexate improved musculoskeletal symptoms but not skin lesions.
  • Switching to upadacitinib resulted in rapid improvement of skin lesions and sustained control of musculoskeletal symptoms.
  • No adverse events were reported during upadacitinib therapy.

Guideline-Based Recommendations

Diagnosis

  • Diagnosis based on clinical manifestations and imaging findings.

Management

  • Consider JAK inhibitors for patients with paradoxical skin lesions induced by TNF-α inhibitors.

Monitoring & Follow-up

  • Monitor liver and kidney function during treatment.

Risks

  • Potential for paradoxical skin lesions with TNF-α inhibitors.

Patient & Prescribing Data

42-year-old male with a 6-year history of SAPHO syndrome.

Upadacitinib (15 mg once daily) led to significant improvement in skin lesions.

Clinical Best Practices

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