Finotonlimab (PD-1 inhibitor) plus bevacizumab (bevacizumab biosimilar) as first-tier therapy for late-stage

Chuanhua Zhao1, Yanqiao Zhang2, Gang Wang3

  • 1Department of Oncology, The Fifth Medical Center, Chinese PLA General Hospital, Beijing, China.

Insights

First-line treatment with finotonlimab plus SCT510 (bevacizumab biosimilar) significantly improved progression-free survival and overall survival in patients with unresectable advanced hepatocellular carcinoma (HCC) compared to sorafenib.

Area of Science:

  • Oncology
  • Immunotherapy
  • Hepatocellular Carcinoma Research

Background:

  • Unresectable advanced hepatocellular carcinoma (HCC) remains a significant clinical challenge with limited first-line treatment options.
  • Sorafenib has been a standard first-line treatment, but outcomes can be improved.

Purpose of the Study:

  • To evaluate the efficacy and tolerability of finotonlimab (anti-programmed cell death protein-1 antibody) combined with SCT510 (bevacizumab biosimilar) as a first-line treatment for unresectable advanced HCC.
  • To compare this combination therapy against sorafenib in a randomized phase 2/3 study.

Main Methods:

  • A randomized phase 2/3 study involving 398 HCC patients in China.
  • Phase 3 randomized 346 patients to either finotonlimab plus SCT510 (dual-agent) or sorafenib.
  • Median follow-up was approximately 19-20 months, with efficacy assessed by blinded independent central review (BICR) using RECIST 1.1 criteria.

Main Results:

  • The dual-agent group showed significantly longer median progression-free survival (PFS) (7.1 months vs. 2.9 months; HR: 0.5; p < 0.0001).
  • Median overall survival (OS) was also significantly longer in the dual-agent group (22.1 months vs. 14.2 months; HR: 0.60; p < 0.0008).
  • The combination therapy demonstrated a manageable safety profile.

Conclusions:

  • Finotonlimab in combination with SCT510 (bevacizumab biosimilar) is an effective first-line treatment for unresectable advanced HCC.
  • This dual-agent therapy offers a significant survival benefit over sorafenib.
  • The combination presents a favorable efficacy and safety profile for HCC management.

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