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Pancreatic cancer vaccine shows promise in early trial
NBC Newsยท 2025-08-12 16:15
Clinical Trial Overview - A clinical trial explored a "one-size-fits-all" vaccine's potential in preventing pancreatic cancer recurrence [1] - The trial included approximately 20 pancreatic cancer patients and 5 colorectal cancer patients, all having undergone standard treatments like chemotherapy and surgery [2] - Patients received six priming doses of an experimental vaccine [2] Vaccine Efficacy and Immune Response - The trial aimed to determine if the cancer vaccine could prevent recurrence and extend recurrence-free survival in patients who had standard treatments [3] - About 85% of individuals who received the cancer vaccine mounted the expected immune response [3] - Approximately two-thirds of the participants exhibited a robust immune response that was still detectable months after therapy, extending their cancer-free survival to about 29 months [3] Vaccine Mechanism and Significance - The cancer vaccine primes the immune system to recognize specific mutations present in cancer cells [5] - It introduces a snippet of a genetic mutation, triggering the immune system to identify and eliminate cells with that mutation [5] - This approach exploits the immune system's ability to kill cancer cells [5] Development Stage and Future Prospects - The trial was an early phase one trial with 25 participants [6] - Further success in phase two and phase three trials is necessary before potential FDA approval [6] - The vaccine targets a genetic mutation not specific to pancreatic or colorectal cancer, making it potentially usable in any cancer with that mutation [8][9]