期刊
CANCER CHEMOTHERAPY AND PHARMACOLOGY
卷 81, 期 6, 页码 1105-1109出版社
SPRINGER
DOI: 10.1007/s00280-018-3585-9
关键词
Immune checkpoint inhibitors; Nivolumab; Pembrolizumab; NSCLC; Relapse; Retreatment
资金
- National Hospital Organization fiduciary funds
After approval of anti-programmed cell death (PD)-1 antibodies, treatment for non-small cell lung cancer (NSCLC) has drastically changed. However, even in patients with favorable effects, therapeutic efficacy does not last long. Recently, retreatment with anti-PD-1 antibody has received attention. The aim of this study was to evaluate the efficacy and safety of retreatment with pembrolizumab in NSCLC patients previously treated with nivolumab. We retrospectively reviewed NSCLC patients retreated with pembrolizumab who were previously treated with nivolumab. We collected the following data: patient characteristics, number of cycles of nivolumab and pembrolizumab, treatment interval between nivolumab and pembrolizumab, best response, and immune-related adverse events. Twelve patients were reviewed. The median number of cycles of nivolumab was 12.5 (range 2-32 cycles). Seven patients (58.3%) achieved a partial response (PR) and two patients (16.7%) achieved stable disease (SD). Eight patients (66.7%) received cytotoxic chemotherapy between nivolumab and pembrolizumab. The median number of cycles of chemotherapy treatment was 4 (range 1-9 cycles). The median number of cycles of pembrolizumab was 3.5 (range 1-17 cycles). One patient (8.3%) achieved PR and four patients (33.3%) achieved SD as their best response to pembrolizumab. All patients showing response to pembrolizumab had very high (ae 80%) tumor PD-Ligand 1 expression. This study suggested that retreatment with anti-PD-1 antibody is a reasonable option for selected NSCLC patients.
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