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Oncoimmunology. 2015 May 27;4(10):e1040218. doi: 10.1080/2162402X.2015.1040218. eCollection 2015 Oct.

Immunosuppression for ipilimumab-related toxicity can cause .

Oncoimmunology

Edurne Arriola, Matthew Wheater, Radhika Krishnan, James Smart, Vipul Foria, Christian Ottensmeier

Affiliations

  1. Cancer Sciences Unit; University of Southampton and University Hospital Southampton NHS Foundation Trust ; Southampton, UK ; University Hospital Southampton NHS Foundation Trust ; Southampton, UK ; Southampton Experimental Cancer Medicine Center; University of Southampton and University Hospital Southampton NHS Foundation Trust ; Southampton, UK.
  2. University Hospital Southampton NHS Foundation Trust ; Southampton, UK ; Southampton Experimental Cancer Medicine Center; University of Southampton and University Hospital Southampton NHS Foundation Trust ; Southampton, UK.
  3. University Hospital Southampton NHS Foundation Trust ; Southampton, UK.

PMID: 26451305 PMCID: PMC4589063 DOI: 10.1080/2162402X.2015.1040218

Abstract

Ipilimumab is a standard therapy for advanced melanoma. Severe immune related adverse events occur in up to 30% of patients and require treatment with immunosuppressants such as steroids or the anti-TNFα antibody, infliximab. We describe two patients with advanced melanoma treated with ipilimumab. Both suffered from severe immune related side effects and required prolonged immunosuppression with steroids and/or infliximab. Both patients recovered and in spite of the immune suppression, demonstrate clinical evidence of tumor control. This argues that distinct immunological effector functions control nosocomial infection and tumor, respectively. To our knowledge, these are also the first two case reports of pneumocystis pneumonia in this setting.

Keywords: immunosuppression; infliximab; ipilimumab; melanoma; opportunistic; pneumocystis; pneumonia; steroids

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