A new vaccine to prevent pancreatic and colorectal cancer from returning has shown encouraging results in early testing.

Researchers from the UCLA Health Jonsson Comprehensive Cancer Center recently announced the results of a phase 1 clinical trial to keep certain cancers from leaving remission.

According to a press release from UCLA Health , the researchers tested the vaccine on a group of 25 people who had previously been treated for pancreatic and colorectal cancer and showed minimal signs of a relapse.

Each patient received an injection designed to stimulate the body’s immune response and “train” the immune system to fight mutations that lead to cancer.

Of the 25 patients tested, 21 showed a strong immune system response to the vaccine, remaining cancer-free more than 20 months a

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