BMC cancer · 2022
Low-dose nivolumab in advanced hepatocellular carcinoma.
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Chen Yen-Hao, Wang Chih-Chi, Chen Yen-Yang, Wang Jing-Houng, Hung Chao-Hung, Kuo Yuan-Hung
Аннотация
BACKGROUND: The approved dose of nivolumab is 3 mg/kg or a flat dose of 240 mg for indications. There is no dose-response relationship for nivolumab; therefore, a low-dose regimen may be an option to reduce financial toxicity. This study was designed to investigate the efficacy and safety of low-dose nivolumab in the management of hepatocellular carcinoma (HCC).
METHODS: We retrospectively reviewed patients with HCC who received 20 or 100 mg of nivolumab intravenously every 2 weeks. The objective response rate was determined in accordance with the Response Evaluation Criteria in Solid Tumors criteria version 1.1. The Cox regression model and Kaplan-Meier method were used to analyze hazard factors, progression-free survival (PFS), and overall survival (OS). Adverse events (AEs) were assessed according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.
RESULTS: In total, 78 patients were enrolled, including 49 with hepatitis B virus (HBV) and 23 with hepatitis C virus (HCV). All patients were staged as Barcelona Clinic Liver Cancer stage C, and 20 patients were classified as having Child-Pugh classification B (7). Nivolumab 20 mg was an independent prognostic factor for better PFS, and albumin-bilirubin grade 1 was the independent prognostic factor for superior OS in the multivariate analyses. Patients with better HBV (HBV DNA < 500 IU/ml) and HCV (HCV RNA undetectable) controls had superior OS. All AEs were grade 1-2 in severity, and all patients tolerated nivolumab without treatment interruption or dose adjustment. Additionally, 31 patients underwent subsequent therapy after nivolumab treatment.
CONCLUSION: Low-dose nivolumab may be effective with manageable toxicity and can be an alternative option to reduce financial toxicity in patients with advanced HCC who cannot afford the high cost of immune checkpoint inhibitors in real-world practice.
METHODS: We retrospectively reviewed patients with HCC who received 20 or 100 mg of nivolumab intravenously every 2 weeks. The objective response rate was determined in accordance with the Response Evaluation Criteria in Solid Tumors criteria version 1.1. The Cox regression model and Kaplan-Meier method were used to analyze hazard factors, progression-free survival (PFS), and overall survival (OS). Adverse events (AEs) were assessed according to the National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.
RESULTS: In total, 78 patients were enrolled, including 49 with hepatitis B virus (HBV) and 23 with hepatitis C virus (HCV). All patients were staged as Barcelona Clinic Liver Cancer stage C, and 20 patients were classified as having Child-Pugh classification B (7). Nivolumab 20 mg was an independent prognostic factor for better PFS, and albumin-bilirubin grade 1 was the independent prognostic factor for superior OS in the multivariate analyses. Patients with better HBV (HBV DNA < 500 IU/ml) and HCV (HCV RNA undetectable) controls had superior OS. All AEs were grade 1-2 in severity, and all patients tolerated nivolumab without treatment interruption or dose adjustment. Additionally, 31 patients underwent subsequent therapy after nivolumab treatment.
CONCLUSION: Low-dose nivolumab may be effective with manageable toxicity and can be an alternative option to reduce financial toxicity in patients with advanced HCC who cannot afford the high cost of immune checkpoint inhibitors in real-world practice.