Immune Checkpoint Inhibitors for Patients Aged ≥ 75 Years with Advanced Cancer in First- and Second-Line Settings: A Meta-Analysis.
Abstract
The impact of aging on the effectiveness of immune checkpoint inhibitors (ICIs) remains controversial, and little is known on the subject in adults aged ≥ 75 years. The objective of this comprehensive meta-analysis was to assess the efficacy of ICIs in patients aged ≥ 75 years. We performed a meta-analysis of published randomized controlled trials concerning ICIs (as monotherapy or in combination) versus standard therapy in patients with advanced solid tumors between January 2010 and January 2020. We compared overall survival between older (aged ≥ 75 years) and younger (< 75 years) patients. Hazard ratios (HRs) and 95% confidence intervals (CIs) were collected and pooled. The secondary endpoint focused on the impact of the use of ICIs in first- and second-line settings. In total, 15 phase III studies evaluating anti-programmed cell death 1 (anti-PD-1) (nivolumab or pembrolizumab), anti-programmed cell death ligand 1 (anti-PD-L1) (atezolizumab or avelumab), or anti-cytotoxic T lymphocyte antigen 4 (anti-CTLA-4) (ipilimumab) therapies were included. Enrolled patients had non-small-cell lung cancer, renal cell carcinoma, melanoma, head and neck squamous cell carcinoma, or gastric cancer. Eight studies assessed treatment in the fir...Continue Reading
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