Breast cancer vaccine could be available in 8 years

Breast cancer vaccine could be available in 8 years

PanARMENIAN.Net - A vaccine that prevents the recurrence and development of breast and ovarian cancers could become available in less than a decade, according to researchers at the Mayo Clinic in Jacksonville, Florida, Big Thnik reports.

The researchers developed an immunotherapy treatment that trains the immune system to recognize and kill breast cancer cells. Based on the results of early-stage clinical trials, the vaccine seems to have successfully removed cancer cells in one patient, and another is showing positive results.

"It's supposed to stimulate a patient's own immune response so that the immune cells, like t-cells, would go in and attack the cancer," Dr. Saranya Chumsri, an oncologist at the world-renowned medical center, told First Coast News.

Before the vaccine could be made available to a large amount of patients, it would need to pass the Food and Drug Administration's phase 3 trials, a process that probably won't start for another three years. But the researchers are confident their treatment will withstand the screening.

"It is reasonable to say that we could have a vaccine within eight years that may be available to patients through their pharmacy or their doctor," Mayo Clinic investigator, Keith L. Knutson, Ph.D., told Forbes.

Mayo Clinic immunologists have also developed two other cancer vaccines for Triple Negative Breast Cancer and HER2 Positive Breast Cancer.

"We know that they're safe," Knutson said. "We know that they stimulate the immune system [to fight cancer]. . . We know that they have had a positive impact on ovarian and breast cancer. We haven't seen any adverse events that are causing problems other than irritation in the area similar to a flu vaccination. Now we have to convince the FDA, through solid, rigorous clinical trials that we're seeing what we're seeing."

Since the 1990s, immunotherapies have increasingly become an area of interest among medical researchers who seek to defeat cancer without simultaneously destroying healthy cells in the body, as chemotherapy and radiation does. Immunotherapy is, in theory, is the ideal solution. But one major obstacle is that all cancers are different, so it's unclear when or whether immunotherapies will be able to treat the more than 100 types of cancer currently known to scientists.

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