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Medline ® Abstract for Reference 5

of 'Toxicities associated with checkpoint inhibitor immunotherapy'

Immune-Related Adverse Events, Need for Systemic Immunosuppression, and Effects on Survival and Time to Treatment Failure in Patients With Melanoma Treated With Ipilimumab at Memorial Sloan Kettering Cancer Center.
Horvat TZ, Adel NG, Dang TO, Momtaz P, Postow MA, Callahan MK, Carvajal RD, Dickson MA, D'Angelo SP, Woo KM, Panageas KS, Wolchok JD, Chapman PB
J Clin Oncol. 2015;33(28):3193. Epub 2015 Aug 17.
PURPOSE: Ipilimumab is a standard treatment for metastatic melanoma, but immune-related adverse events (irAEs) are common and can be severe. We reviewed our large, contemporary experience with ipilimumab treatment outside of clinical trials to determine the frequency of use of systemic corticosteroid or anti-tumor necrosis factorα(anti-TNFα) therapy and the effect of these therapies on overall survival (OS) and time to treatment failure (TTF).
PATIENTS AND METHODS: We reviewed retrospectively the medical records of patients with melanoma who had received treatment between April 2011 and July 2013 with ipilimumab at the standard dose of 3 mg/kg. We collected data on patient demographics, previous and subsequent treatments, number of ipilimumab doses, irAEs and how they were treated, and overall survival.
RESULTS: Of the 298 patients, 254 (85%) experienced an irAE of any grade. Fifty-six patients (19%) discontinued therapy because of an irAE, most commonly diarrhea. Overall, 103 patients (35%) required systemic corticosteroid treatment for an irAE; 29 (10%) also required anti-TNFαtherapy. Defining TTF as either starting a new treatment or death, estimated median TTF was 5.7 months. Twelve percent of patients experienced long-term disease control without receiving additional antimelanoma therapy. OS and TTF were not affected by the occurrence of irAEs or the need for systemic corticosteroids.
CONCLUSION: IrAEs are common in patients treated with ipilimumab. In our experience, approximately one-third of ipilimumab-treated patients required systemic corticosteroids, and almost one-third of those required further immune suppression with anti-TNFαtherapy. Practitioners and patients should be prepared to treat irAEs and should understand that such treatment does not affect OS or TTF.
Troy Z. Horvat, Nelly G. Adel, Thu-Oanh Dang, Kaitlin M. Woo, Katherine S. Panageas, Parisa Momtaz, Michael A. Postow, Margaret K. Callahan, Richard D. Carvajal, Mark A. Dickson, Sandra P. D'Angelo, Jedd D. Wolchok, and Paul B. Chapman, Memorial Sloan Kettering Cancer Center; Jedd D. Wolchok, Ludwig Institute for Cancer Research; and Michael A. Postow, Margaret K. Callahan, Richard D. Carvajal, Mark A. Dickson, Sandra P. D'Angelo, Jedd D. Wolchok, and Paul B. Chapman, Weill Cornell Medical College, New York, NY.