Corticosteroids and other immunosuppressants for immune-related adverse events and checkpoint inhibitor effectiveness in melanoma

Rik J. Verheijden, Femke H. Burgers, Josephine C. Janssen, Anouk E. Putker, Sophie P.G.R. Veenstra, Geke A.P. Hospers, Maureen J.B. Aarts, Karel W. Hehenkamp, Veerle L.E. Doornebosch, Marthe Verhaert, Franchette W.P.J. van den Berkmortel, Katerina Chatzidionysiou, Arturo Llobell, Milton Barros, Alexandre T.J. Maria, Akari Takeji, José Salvador García Morillo, Merav Lidar, Mick J.M. van Eijs, Christian U. BlankSandrine Aspeslagh, Djura Piersma, Ellen Kapiteijn, Mariette Labots, Marye J. Boers-Sonderen, Astrid A.M. van der Veldt, John B.A.G. Haanen, Anne M. May, Karijn P.M. Suijkerbuijk*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Background: Recent studies indicate an association between immunosuppression for immune-related adverse events (irAEs) and impaired survival in patients who received immune checkpoint inhibitors. Whether this is related to corticosteroids or second-line immunosuppressants is unknown. In the largest cohort thus far, we assessed the association of immunosuppressant type and dose with survival in melanoma patients with irAEs. Methods: Patients with advanced melanoma who received immunosuppressants for irAEs induced by first-line anti-PD-1 ± anti-CTLA-4 were included from 18 hospitals worldwide. Associations of cumulative and peak dose corticosteroids and use of second-line immunosuppression with survival from start of immunosuppression were assessed using multivariable Cox proportional hazard regression. Results: Among 606 patients, 404 had anti-PD-1 + anti-CTLA-4-related irAEs and 202 had anti-PD-1-related irAEs. 425 patients (70 %) received corticosteroids only; 181 patients (30 %) additionally received second-line immunosuppressants. Median PFS and OS from starting immunosuppression were 4.5 (95 %CI 3.4–8.1) and 31 (95 %CI 15-not reached) months in patients who received second-line immunosuppressants, and 11 (95 %CI 9.4–14) and 55 (95 %CI 41–not reached) months in patients who did not. High corticosteroid peak dose was associated with worse PFS and OS (HRadj 1.14; 95 %CI 1.01–1.29; HRadj 1.29; 95 %CI 1.12–1.49 for 80vs40mg), while cumulative dose was not. Second-line immunosuppression was associated with worse PFS (HRadj 1.32; 95 %CI 1.02–1.72) and OS (HRadj 1.34; 95 %CI 0.99–1.82) compared with corticosteroids alone. Conclusions: High corticosteroid peak dose and second-line immunosuppressants to treat irAEs are both associated with impaired survival. While immunosuppression is indispensable for treatment of severe irAEs, clinicians should weigh possible detrimental effects on survival against potential disadvantages of undertreatment.

Original languageEnglish
Article number114172
JournalEuropean Journal of Cancer
Volume207
DOIs
Publication statusPublished - Aug 2024

Keywords

  • Checkpoint inhibitor
  • Corticosteroids
  • Immune-related adverse events
  • Immunosuppression
  • Melanoma
  • Toxicity

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