When scientists first began studying COVID-19 mRNA vaccines, their focus was on fighting infectious diseases.
But researchers from the University of Florida and MD Anderson Cancer Center have now uncovered something remarkable.
Patients with advanced lung or skin cancer who received a mRNA vaccine around the start of their immunotherapy lived significantly longer than those who were not vaccinated. In some cases, survival nearly doubled.
The team analyzed more than 1,000 patient records to explore this connection.
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Although the study is observational, the results were striking enough for scientists to plan a full clinical trial to confirm them.
A possible new frontier in oncology
Elias Sayour, one of the study’s lead authors, believes the vaccine may be doing more than protecting against viruses.
It could be reawakening the body’s natural defenses against tumors.
By stimulating the immune system in a general way, mRNA vaccines might boost the effects of existing immunotherapy drugs.
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If proven true, this could mark the beginning of a universal cancer vaccine, one that works across many cancer types without needing to target a specific protein.
Other experts agree the results are promising.
Jeff Coller of Johns Hopkins University said the findings show how mRNA medicines continue to change medicine in “unique and unexpected ways.”
How the vaccine might help
Immunotherapy works by helping the immune system recognize and attack cancer cells. But not all patients respond well.
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The new study suggests that receiving a COVID mRNA vaccine may give the immune system an extra push just when it needs it most.
In lung cancer patients, median survival increased from about 20 to 37 months.
For melanoma patients, survival rose from around 27 to as high as 40 months.
Other vaccines, like those for flu or pneumonia, showed no similar benefit.
Animal tests supported these results, showing that combining mRNA vaccines with immunotherapy drugs helped stop tumor growth.
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Researchers are now preparing a large clinical trial to test whether this same effect holds true in more patients.
This article is based on information from Science Daily, and Nature.
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This article is made and published by Ida-Marie Palm Varbæk, who may have used AI in the preparation.