Title: |
Objective Response and Progression-Free Survival Contribute to Prolong Overall Survival in Atezolizumab plus Bevacizumab Treatment for Unresectable Hepatocellular Carcinoma. |
Authors: |
Tajiri, Kazuto, Tsukada, Kenichiro, Tokimitsu, Yoshiharu, Motofuji, Yuchi, Kawai, Kengo, Muraishi, Nozomu, Murayama, Aiko, Hayashi, Yuka, Shimizu, Yukihiro, Yasuda, Ichiro |
Source: |
Oncology; 2024, Vol. 102 Issue 2, p131-140, 10p |
Subject Terms: |
THERAPEUTIC use of monoclonal antibodies, THERAPEUTIC use of antineoplastic agents, DISEASE progression, RETROSPECTIVE studies, ACQUISITION of data, TREATMENT effectiveness, CANCER patients, SURVIVAL analysis (Biometry), DESCRIPTIVE statistics, MEDICAL records, BEVACIZUMAB, PROGRESSION-free survival, HEPATOCELLULAR carcinoma, OVERALL survival |
Abstract: |
Introduction: Atezolizumab plus bevacizumab (Atez/Bev) is a standard treatment for unresectable hepatocellular carcinoma (HCC) due to its good antitumor and survival prolongation effects. Post-progression survival (PPS) has been reported to be a great contributor in the treatment with tyrosine kinase inhibitors for unresectable HCC. This study aimed to clarify the significance of progression-free survival (PFS) or PPS of Atez/Bev treatment for HCC. Methods: We analyzed the correlations of PFS and PPS with overall survival (OS) in studies of HCC patients treated with Atez/Bev and evaluated the contribution to OS in Atez/Bev treatment with patients at our institutions as clinical practice. Results: Analysis of 18 studies involving 3,752 patients treated with Atez/Bev found that PPS had a stronger correlation with OS (R2 = 0.872, p < 0.001) than did PFS (R2 = 0.605, p = 0.001). Analysis of 80 patients with unresectable HCC treated with Atez/Bev found that presence of antitumor responses during Atez/Bev was the most significant contributor to OS, and post-progression treatment after Atez/Bev also significantly contribute to OS. Conclusion: The presence of antitumor response with tumor shrinkage during Atez/Bev treatment contributes to good OS through its durable response. Atez/Bev treatment could be considered as first-line treatment for unresectable HCC. However, there is a need for optimal biomarkers for good antitumor response. [ABSTRACT FROM AUTHOR] |
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Database: |
Complementary Index |