Andrew X. Zhu, MD, PhD, director of Liver Cancer Research at Massachusetts General Hospital presented new data at the 2018 World Congress on Gastrointestinal Cancer (WCGC) demonstrating that Cyramza (ramucirumab) significantly improves survival in a subset of patients with hepatocellular carcinoma (HCC) who have high levels of the plasma protein α-fetoprotein (AFP), which is associated with a poor prognosis.
About Hepatocellular Carcinoma (HCC)
The liver is the largest organ in the body and is responsible for over 500 functions, including the secretion of glucose, proteins, vitamins, and fats; the production of bile; the processing of hemoglobin; and detoxification of numerous substances.
Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. According to the Centers for Disease Control and Prevention (CDC), liver cancer is the ninth leading cause of cancer death in the United States and the third leading cause of cancer death worldwide. Factors that increase the risk of developing hepatocellular carcinoma include cirrhosis, long-term, heavy alcohol use, and chronic infection with hepatitis B or C viruses.
Cyramza is a type of targeted agent known as a monoclonal antibody. It belongs to a class of drugs known as angiogenesis inhibitors that work by blocking the growth of new blood vessels to the cancer to starve it of nutrients. The agent is currently FDA approved for the treatment of gastric cancer and non-small cell lung cancer and it is being studied in other cancers, including bladder cancer.
The findings reported come from a pooled analysis of two clinical trials in which there were more than 500 patients with raised AFP levels (≥400 ng/mL). In this subgroup of patients Cyramza;
- Improved overall response rates to 5.4% vs 0.9% for placebo
- Improved overall survival by 31%, extending the median survival duration by 3 months.
- Doubled the time to cancer progression to 2.8 months vs 1.5 months for placebo.
Current treatment options for liver cancer are limited and these results in high risk patients with advanced disease are encouraging. Earlier use of Cyramza or in combination with precision cancer medicines or chemotherapy are currently being evaluated.
Reference: 20th World Congress on Gastrointestinal Cancer (WCGC). Abstract LBA-001. Presented June 20, 2018.
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