A drug whose clinical testing was led by Charles S. Fuchs, MD, MPH, director of Yale Cancer Center, has become the first immunotherapy treatment for advanced stomach cancer.

The drug, pembrolizumab (Keytruda®), was approved by the FDA for adult patients diagnosed with advanced stomach cancer showing PD-L1 positive tumors. Pembrolizumab works by increasing the ability of the body’s immune system to help detect and fight tumor cells.

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