For a vaccine to work, it needs to teach the immune system’s T cells to recognize cancer as dangerous, said Dr. Nora Disis of UW Medicine’s Cancer Vaccine Institute in Seattle. Once trained, T cells can travel anywhere in the body to hunt down danger.
Early cancer vaccine research faltered as cancer outwitted and outlasted patients’ weak immune systems, said Olja Finn, a vaccine researcher at the University of Pittsburgh School of Medicine.As a result, she’s now focused on patients with earlier disease since the experimental vaccines didn’t help with more advanced patients. Her group is planning a vaccine study in women with a low-risk, noninvasive breast cancer called ductal carcinoma in situ.
Others are developing vaccines to prevent cancer in people with precancerous lung nodules and other inherited conditions that raise cancer risk.“Vaccines are probably the next big thing” in the quest to reduce cancer deaths, said Dr. Steve Lipkin, a medical geneticist at New York’s Weill Cornell Medicine, who is leading one effort funded by the National Cancer Institute. “We’re dedicating our lives to that.
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