PURPOSE: Ipilimumab is a T-cell-potentiating monoclonal antibody directed against cytotoxic T-lymphocyte antigen-4 (CTLA-4) to promote antitumoural immunity. In phase III trials, ipilimumab was shown to be the first agent to improve survival in advanced melanoma patients, regardless of previous treatment. We report a case of severe neurologic disease after ipilimumab treatment. PATIENT AND METHODS: Neurologic symptoms including facial diplegia, tetraplegia, areflexia progressed with time a few days after the fourth monthly ipilimumab infusion. Analysis of the cerebro-spinal fluid showed elevated proteinorachy and lymphocytic meningitis. Despite high doses of steroids and symptomatic treatment, the symptoms worsened. RESULTS: Veinoglobulins were then infused and the patient began to improve and recovered almost normal activity two years later. CONCLUSION: The adverse event profile associated with ipilimumab was primarily immune-related. This is the first case in which such a severe event has been reported.
PURPOSE: Ipilimumab is a T-cell-potentiating monoclonal antibody directed against cytotoxic T-lymphocyte antigen-4 (CTLA-4) to promote antitumoural immunity. In phase III trials, ipilimumab was shown to be the first agent to improve survival in advanced melanoma patients, regardless of previous treatment. We report a case of severe neurologic disease after ipilimumab treatment. PATIENT AND METHODS: Neurologic symptoms including facial diplegia, tetraplegia, areflexia progressed with time a few days after the fourth monthly ipilimumab infusion. Analysis of the cerebro-spinal fluid showed elevated proteinorachy and lymphocytic meningitis. Despite high doses of steroids and symptomatic treatment, the symptoms worsened. RESULTS: Veinoglobulins were then infused and the patient began to improve and recovered almost normal activity two years later. CONCLUSION: The adverse event profile associated with ipilimumab was primarily immune-related. This is the first case in which such a severe event has been reported.
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Authors: James Larkin; Bartosz Chmielowski; Christopher D Lao; F Stephen Hodi; William Sharfman; Jeffrey Weber; Karijn P M Suijkerbuijk; Sergio Azevedo; Hewei Li; Daniel Reshef; Alexandre Avila; David A Reardon Journal: Oncologist Date: 2017-05-11