Case Report: sustained five-year remission in eosinophilic granulomatosis with polyangiitis with intestinal perforation after surgery and rituximab-based therapy without glucocorticoid escalation - Summary - MDSpire

Case Report: sustained five-year remission in eosinophilic granulomatosis with polyangiitis with intestinal perforation after surgery and rituximab-based therapy without glucocorticoid escalation

  • By

  • Yuriko Yamamura

  • Yoshinori Matsumoto

  • Keiji Ohashi

  • Keigo Hayashi

  • Yoshia Miyawaki

  • Haruki Watanabe

  • Eri Katsuyama

  • Takayuki Katsuyama

  • Mariko Takano-Narazaki

  • Jun Wada

  • July 1, 2026

  • 0 min

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Objective:

To report a case of Eosinophilic Granulomatosis with Polyangiitis (EGPA) resistant to multiple immunosuppressive agents, including cyclophosphamide, highlighting the use of Rituximab (RTX) for treatment without increasing glucocorticoid doses.

Approach:
  • Case Report: A 63-year-old man with severe EGPA and gastrointestinal involvement underwent sigmoid colon resection due to intestinal perforation and was treated with RTX for remission induction and long-term maintenance.
Key Findings:
  • The patient achieved sustained remission for over five years with minimal glucocorticoid exposure.
  • Rituximab was effective in inducing remission without the need for glucocorticoid escalation during the perioperative period.
Interpretation:

This case suggests RTX may be a viable therapeutic option for severe or treatment-resistant EGPA with gastrointestinal involvement when glucocorticoid escalation is undesirable.

Limitations:
  • This is a single case report, limiting generalizability to the broader population.
  • No comparative studies were conducted to evaluate RTX against standard treatments.
Conclusion:

Rituximab may serve as an effective GC-sparing induction and maintenance therapy for EGPA, particularly in cases with GI involvement.

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