1583P Evaluation of immune checkpoint inhibitors rechallenge after immune-related adverse events in patients with cancer

نویسندگان

چکیده

Safety of a rechallenge with an immune checkpoint inhibitor (ICI) after immune-related adverse event (irAE) remains unclear, especially for those patients ICI class switch. All drug reactions involving at least one reported up to December 31, 2021 were extracted from the US Food and Drug Administration Adverse Event Reporting System (FAERS) database. The primary outcome was recurrence initial irAE original or different regimen (anti-PD-1 anti-PD-L1 as anti-CTLA-4 another class). Secondary outcomes included factors associated rechallenge. We identified total 24092 cases cycle ICI, which 174 irAEs among 586 patients. For patient single agent rechallenged higher rate than (46.6% vs. 26.5%, p=0.002). Similar tendency has been observed in combination therapy (75% 28.7%, p=0.006). In rechallenge, such regimen, treatment cycle, administration steroids multiple rate.Table: 1583PIrAEs single-agent groupInitial ICIRegime rechallengeAll patientsirAEs recurrenceNo recurrenceP valueAnti-CTLA40.152Anti-CTLA4194(21.1%)15(78.9%)Anti-PD-(L)12410(41.67%)14(58.33%)Anti-PD-1 Anti-PD-L10.004Anti-CTLA43116(51.6%)15 (48.4%)Anti-PD-(L)136197(26.9%)264(73.1%) Open table new tab This study found 29.7% same discontinuation terms switch, regimen.

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ژورنال

عنوان ژورنال: Annals of Oncology

سال: 2022

ISSN: ['0923-7534', '1569-8041']

DOI: https://doi.org/10.1016/j.annonc.2022.07.1676