PMID- 36465365 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20221206 IS - 2234-943X (Print) IS - 2234-943X (Electronic) IS - 2234-943X (Linking) VI - 12 DP - 2022 TI - PD-1 inhibitors plus nab-paclitaxel-containing chemotherapy for advanced gallbladder cancer in a second-line setting: A retrospective analysis of a case series. PG - 1006075 LID - 10.3389/fonc.2022.1006075 [doi] LID - 1006075 AB - BACKGROUND: Gallbladder cancer (GBC) is a fatal cancer, and the efficacy of the current standard second-line chemotherapy for GBC is limited. Novel therapies need to be explored. This retrospective analysis was aimed to investigate the outcomes of patients treated at West China Hospital with PD-1 inhibitors combined with nab-paclitaxel-based chemotherapy (nab-paclitaxel monotherapy or nab-paclitaxel plus other cytotoxic agents) in a second-line setting. METHODS: Between April 2020 and May 2022, the patients with advanced GBC receiving PD-1 inhibitors combined with nab-paclitaxel-based chemotherapy after resistance to first-line gemcitabine-based chemotherapy at West China Hospital were retrospectively screened. RESULTS: Eleven patients were included, and all received gemcitabine-based chemotherapy as first-line therapy. Eight patients underwent next-generation sequencing (NGS), and all had microsatellite stability (MSS) and a low tumor mutation burden (TMB). Six patients were negative for PD-L1 expression and one patient was positive for PD-L1. Therapeutically relevant genetic alterations were not found. All patients received PD-1 inhibitors in combination with nab-paclitaxel-based chemotherapy as second-line therapy. Pembrolizumab was administered in 3 patients, and sintilimab was administered in eight patients. One patient had no measurable target lesion. Complete response (CR) was observed in one (10.0%) patient, partial response (PR) in four (40%) patients, and stable disease (SD) in four (40%) patients. The median progression-free survival (PFS) was 7.5 (95% CI: 2.5-12.5) months, and the median overall survival (OS) was 12.7 (95% CI: 5.5-19.9) months. The adverse events (AEs) were manageable. CONCLUSION: Our results suggest that PD-1 inhibitors combined with nab-paclitaxel-based chemotherapy as second-line therapy for advanced GBC might be a potential treatment and deserves further evaluation. CI - Copyright (c) 2022 Tan, Yu, Huang, Zhou and Gou. FAU - Tan, Sirui AU - Tan S AD - Department of Abdominal Cancer, West China Medical School, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. FAU - Yu, Jing AU - Yu J AD - Department of Abdominal Cancer, West China Medical School, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. FAU - Huang, Qiyue AU - Huang Q AD - Department of Abdominal Cancer, West China Medical School, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. FAU - Zhou, Nan AU - Zhou N AD - Department of Abdominal Cancer, West China Medical School, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. FAU - Gou, Hongfeng AU - Gou H AD - Department of Abdominal Cancer, West China Medical School, Cancer Center, West China Hospital, Sichuan University, Chengdu, China. LA - eng PT - Journal Article DEP - 20221116 PL - Switzerland TA - Front Oncol JT - Frontiers in oncology JID - 101568867 PMC - PMC9709255 OTO - NOTNLM OT - PD1 OT - advanced gallbladder cancer OT - chemotherapy OT - efficacy OT - nab-paclitaxel COIS- The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. EDAT- 2022/12/06 06:00 MHDA- 2022/12/06 06:01 PMCR- 2022/01/01 CRDT- 2022/12/05 03:40 PHST- 2022/07/28 00:00 [received] PHST- 2022/10/31 00:00 [accepted] PHST- 2022/12/05 03:40 [entrez] PHST- 2022/12/06 06:00 [pubmed] PHST- 2022/12/06 06:01 [medline] PHST- 2022/01/01 00:00 [pmc-release] AID - 10.3389/fonc.2022.1006075 [doi] PST - epublish SO - Front Oncol. 2022 Nov 16;12:1006075. doi: 10.3389/fonc.2022.1006075. eCollection 2022.