Severe neuromyelitis optica spectrum disorder induced by pucotenlimab: a case report and literature review - Summary - MDSpire

Severe neuromyelitis optica spectrum disorder induced by pucotenlimab: a case report and literature review

  • By

  • Ziyu Zhang

  • Lankai Liao

  • Houfeng Zhou

  • Wen Xiang

  • Junyan Li

  • April 30, 2026

  • 0 min

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Objective:

To report a case of severe neurological immune-related adverse events (N-irAEs) following treatment with pucotenlimab and review the literature on these events.

Key Findings:
  • N-irAEs are rare but can be life-threatening, with a higher mortality rate compared to other immune-related adverse events.
  • The patient developed severe neurological symptoms despite high-dose corticosteroid and plasma exchange therapy, indicating the refractory nature of these events.
  • Timely identification and intervention are crucial for managing high-grade N-irAEs, as they can significantly alter patient outcomes.
Interpretation:

The case highlights the challenges in diagnosing and managing severe N-irAEs, emphasizing the need for awareness, prompt treatment, and a multidisciplinary approach.

Limitations:
  • Limited data on the management of high-grade N-irAEs.
  • The case study is based on a single patient experience, which may introduce bias.
Conclusion:

The study underscores the potential severity of N-irAEs and the importance of early recognition and intervention in patients receiving immune checkpoint inhibitors, advocating for a multidisciplinary management approach.

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