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1.
Cancers (Basel) ; 15(21)2023 Oct 26.
Article in English | MEDLINE | ID: mdl-37958323

ABSTRACT

Since CAR-T cell therapy was initially approved in 2017, its use has become more prevalent and so have its side effects. CAR-T-related HLH, also named immune effector cell-associated HLH-like syndrome (IEC-HS), is a rare but fatal toxicity if not recognized promptly. We conducted a review of the literature in order to understand the prevalence of IEC-HS as well as clarify the evolution of the diagnostic criteria and treatment recommendations. IEC-HS occurrence varies between CAR-T cell products and the type of malignancy treated. Diagnosis can be challenging as there are no standardized diagnostic criteria, and its clinical features can overlap with cytokine release syndrome and active hematological disease. Suggested treatment strategies have been extrapolated from prior experience in HLH and include anakinra, corticosteroids and ruxolitinib. IEC-HS is a potentially fatal toxicity associated with CAR-T cell therapy. Early recognition with reliable diagnostic criteria and prompt implementation of treatment specific to IEC-HS is imperative for improving patient outcomes.

2.
J Geriatr Oncol ; 13(7): 1011-1016, 2022 09.
Article in English | MEDLINE | ID: mdl-35637132

ABSTRACT

INTRODUCTION: Increased immune checkpoint inhibitor (ICI) use in various advanced cancer types has led to a parallel rise in immune-related adverse events (irAEs). Despite widespread use, ICI data in older patients remains limited. We investigate irAE prevalence in older patients receiving ICI and whether irAEs and survival are associated. MATERIALS AND METHODS: Our retrospective study included patients aged ≥65 years with advanced malignancies who had ≥1 dose of ICI from January 2011 through September 2019. We evaluated irAE cases and their respective grades and assessed oncological response by progression-free survival (PFS) and overall survival (OS). RESULTS: Mean age of 210 patients was 75.0 ± 7.2 years, 58.1% were men, and most were white. IrAE prevalence was 41.4% (n = 87); 9.5% (n = 20) developed multisystem irAE. Most irAEs were grades 1 and 2 (27.6% and 49.4%, respectively), while grades 3 and 4 accounted for 17.2% and 5.8%, respectively. No grade 5 irAE occurred. Compared with patients with no irAEs, those with irAEs had improved OS (HR [hazard ratio], 0.41; 95% CI [confidence interval], 0.282-0.597; p < 0.0001) and PFS (HR, 0.311; 95% CI: 0.213-0.453; p < 0.0001). Improved OS was seen with irAE grades 1 and 2 versus grades 3 and 4 (HR, 0.344; 95% CI: 0.171-0.694; p = 0.0029). Similarly, improved PFS was seen with lower grade irAE (HR, 0.489; 95% CI: 0.247-0.965; p = 0.0391). DISCUSSION: The irAE prevalence in older patients was similar to that in younger patients. To our knowledge, this is one of few studies that confirms a positive association of irAE on both OS and PFS in older patients with cancer, and improved OS and PFS with lower versus higher grade irAE.


Subject(s)
Antineoplastic Agents, Immunological , Neoplasms , Aged , Antineoplastic Agents, Immunological/adverse effects , Female , Humans , Immune Checkpoint Inhibitors/adverse effects , Male , Neoplasms/drug therapy , Progression-Free Survival , Retrospective Studies
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