Clinical trials of antiangiogenic therapy for hepatocellular carcinoma

Akinobu Taketomi1

  • 1Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University, North 15 West 7, Kita-ku, Sapporo, 060-8638, Japan. taketomi@med.hokudai.ac.jp.

Insights

Antiangiogenic agents show promise for liver cancer, but only sorafenib is approved. Further research is needed to combine these therapies with sorafenib for better outcomes in advanced hepatocellular carcinoma.

Area of Science:

  • Oncology
  • Hepatology
  • Medical Pharmacology

Background:

  • Angiogenesis, the formation of new blood vessels, is a critical process in tumor growth and a key therapeutic target.
  • Hepatocellular carcinoma (HCC) treatment has been advanced by targeting angiogenesis, yet challenges remain in optimizing therapeutic strategies.

Purpose of the Study:

  • To review clinical trial data on antiangiogenic agents for hepatocellular carcinoma (HCC).
  • To evaluate the efficacy of antiangiogenic therapies in advanced HCC and identify future research directions.

Main Methods:

  • Systematic literature search of PubMed for clinical trials, focusing on phase III trials in advanced HCC.
  • Analysis of data from randomized controlled trials investigating antiangiogenic agents, including sorafenib.

Main Results:

  • Sorafenib is the only approved systemic drug for advanced HCC, demonstrating survival benefits in two large phase III trials.
  • Subsequent phase III trials of other antiangiogenic agents have not shown improved survival compared to sorafenib-based protocols.
  • Ongoing trials explore combinations of antiangiogenic agents with chemotherapy, transarterial chemoembolization, and surgical resection.

Conclusions:

  • While sorafenib offers a survival advantage in advanced HCC, further research is crucial.
  • Optimizing combination therapies involving antiangiogenic agents and sorafenib is a key area for future investigation to improve patient outcomes.

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