Jenny Xiaoyu Li, Marie Hudson, Carrie Ye, Janet Roberts, Aurore Fifi-Mah, May Y Choi, Sabrina Hoa, C Thomas Appleton, Janet Pope, Nancy Maltez, Lourdes Gonzalez Arreola, Anthony Obrzut, Shahin Jamal
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引用次数: 0
Abstract
Objective: Immune checkpoint inhibitors (ICIs) have revolutionized cancer outcomes but are limited by immune-related adverse events (irAEs), including rheumatic irAEs (Rh-irAEs). Aging is associated with increased inflammation, referred to as "inflammaging." In this study, we explore the effect of age on severity, frequency, and treatment of Rh-irAEs.
Methods: Adults with new Rh-irAEs after ICI exposure are followed prospectively across 10 Canadian sites as part of the Canadian Research Group of Rheumatology in Immuno-Oncology (CanRIO) prospective cohort. In this study of patients seen between January 2020 and March 2023, we compare the severity of Rh-irAEs and number of irAEs between patients aged ≥ 65 years and < 65 years and explore potential epidemiologic, treatment-related, and phenotypic differences between the older and younger patients.
Results: A total of 139 patients with de novo Rh-irAEs were included, 58 in the younger (aged < 65 yrs) and 81 in the older (aged ≥ 65 yrs) group. There were no significant differences in severity of Rh-irAEs (P = 0.84) or number of irAEs (P = 0.21), although there was a nonsignificant trend toward more younger patients than older patients with ≥ 3 irAEs (24% vs 14%). Types of treatment for Rh-irAEs were similar between the groups. ICI continuation did not differ. Within the ICI-related inflammatory arthritis subgroup, there was also no significant difference in the incidence of severe Rh-irAEs (P = 0.51).
Conclusion: Similar numbers of overall irAEs and severity of Rh-irAEs were observed between older vs younger patients who developed Rh-irAEs after treatment with ICI therapy, suggesting that inflammaging does not play a significant role in Rh-irAEs. Larger studies are needed to explore potential differences in patient phenotypes.
期刊介绍:
The Journal of Rheumatology is a monthly international serial edited by Earl D. Silverman. The Journal features research articles on clinical subjects from scientists working in rheumatology and related fields, as well as proceedings of meetings as supplements to regular issues. Highlights of our 41 years serving Rheumatology include: groundbreaking and provocative editorials such as "Inverting the Pyramid," renowned Pediatric Rheumatology, proceedings of OMERACT and the Canadian Rheumatology Association, Cochrane Musculoskeletal Reviews, and supplements on emerging therapies.