Lisa Jarvis: What if the COVID vaccine could save cancer patients too?

Published: Saturday, November 8, 2025 at 12:16 pm

COVID-19 Vaccines Show Promise in Cancer Treatment, Study Suggests

A recent study published in *Nature* suggests a potential link between mRNA COVID-19 vaccines and improved survival rates in certain cancer patients. Researchers analyzed data from over 1,000 patients with advanced lung and skin cancers who were undergoing immunotherapy. The study found that patients who received an mRNA-based COVID vaccine within a specific timeframe before starting immunotherapy were twice as likely to be alive compared to those who did not receive the vaccine or received it outside the designated window.

The study, originating from observations made at the University of Texas MD Anderson Cancer Center, examined the impact of mRNA vaccines, specifically those from Pfizer and Moderna. The research indicated that these vaccines appeared to activate the innate immune system, a crucial early-warning defense mechanism. The researchers found no similar effect from flu or pneumonia shots.

While the findings are promising, the researchers emphasize that further validation is needed through randomized, placebo-controlled studies. Scientists are already planning clinical trials to confirm these results and explore the optimal timing of the vaccine for maximum benefit. They are also investigating whether the effect can be enhanced by modifying the mRNA to more precisely stimulate the immune response.

The potential implications are significant, as cancer immunotherapy is used to treat various cancers. The study's findings have generated interest among oncologists, who are eager to understand how the COVID-19 vaccine might extend survival for patients with other types of cancer.

BNN's Perspective:

This research presents a compelling case for the potential of mRNA vaccines beyond their initial purpose. While the findings are preliminary, the possibility of a simple, accessible, and cost-effective intervention to improve cancer patient outcomes is encouraging. It is crucial that scientific inquiry continues, and that political considerations do not impede the pursuit of potentially life-saving treatments.

Keywords: COVID-19 vaccine, mRNA, cancer, immunotherapy, survival rates, lung cancer, skin cancer, Pfizer, Moderna, immune system, clinical trials, research, treatment, health, medicine

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