Vedolizumab in Combined Immune Checkpoint Therapy-induced Infliximab-refractory Colitis in a Patient with Metastatic Melanoma: A Case Report
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Background: Dual checkpoint inhibition improves response rates in treatment naïve patients with metastatic melanoma compared to monotherapy. However, it confers a higher rate of toxicity, including immune-related colitis. Steroids may not resolve symptoms in all cases. The use of vedolizumab, a humanized monoclonal antibody against α4β7 integrin has proven effective in cases refractory to standard treatment.
Case Summary: We report the case of a 27-year-old female with Stage IVd metastatic melanoma treated with ipilimumab and nivolumab. She developed severe colitis refractory to methylprednisolone, infliximab and mycophenolate mofetil but responded to vedolizumab.
Conclusion: This case report supports vedolizumab use in severe immune related colitis refractory to standard immunosuppression.
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