Adverse Events in Anti-PD-1-Treated Adjuvant and First-Line Advanced Melanoma Patients

: The difference in incidence and severity of anti-PD-1 therapy-related adverse events (irAEs) between adjuvant and advanced treated melanoma patients remains unclear, as no head-to-head studies have compared these groups. : This multi-center cohort study analyzed melanoma patients treated with anti...

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Published inCancers Vol. 16; no. 15; p. 2656
Main Authors Rauwerdink, Daan Jan Willem, Not, Olivier van, de Meza, Melissa, Doorn, Remco van, Hage, Jos van der, Eertwegh, A J M van den, Haanen, John B, Aarts, Maureen J B, Berkmortel, Franchette W P J van den, Blank, Christiaan U, Boers-Sonderen, Marye J, Groot, Jan Willem B de, Hospers, Geke A P, Piersma, Djura, van Rijn, Rozemarijn S, Stevense-den Boer, A M, Veldt, Astrid A M van der, Vreugdenhil, Gerard, Wouters, Michel W J M, Suijkerbuijk, Karijn P M, Kapiteijn, Ellen
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 01.08.2024
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Summary:: The difference in incidence and severity of anti-PD-1 therapy-related adverse events (irAEs) between adjuvant and advanced treated melanoma patients remains unclear, as no head-to-head studies have compared these groups. : This multi-center cohort study analyzed melanoma patients treated with anti-PD-1 in adjuvant or advanced settings between 2015 and 2021. Comorbidities and ECOG performance status were assessed before treatment, and grade III-IV irAEs were monitored during treatment. Univariate and multivariate regression analyses were conducted to identify factors associated with irAE development. : A total of 1465 advanced melanoma patients and 908 resected melanoma patients received anti-PD-1 therapy. Adjuvant-treated patients were younger, with a median age of 63 years compared to 69 years in the advanced group ( < 0.01), and had a better ECOG performance status ( < 0.01). Comorbidities were seen more frequently in advanced melanoma patients than in those receiving adjuvant treatment, 76% versus 68% ( < 0.01). Grade III-IV irAEs occurred in 214 (15%) advanced treated patients and in 119 (13%) adjuvant-treated patients. Multivariate analysis showed an increased risk of severe irAE development with the presence of any comorbidity (adjusted OR 1.22, 95% CI 1.02-1.44) and ECOG status greater than 1 (adjusted OR 2.00, 95% CI 1.20-3.32). Adjuvant therapy was not associated with an increased risk of irAE development compared to advanced treatment (adjusted OR 0.95, 95% CI 0.74-1.21) after correcting for comorbidities and ECOG performance score. Anti-PD-1 therapy was halted due to toxicity (any grade irAE) more often in the adjuvant setting than in the advanced setting, 20% versus 15% ( < 0.01). : Higher ECOG performance status and presence of any comorbidity were independently associated with an increased risk of Grade III-IV irAE in adjuvant and advanced treated melanoma patients. Patients treated in the adjuvant setting did not have an increased risk of developing severe irAEs compared to advanced melanoma patients. These findings are of clinical significance in consulting patients for adjuvant anti-PD-1 treatment.
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ISSN:2072-6694
2072-6694
DOI:10.3390/cancers16152656