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Cancer Vaccine Trial: All 9 Women Alive After 20 Years
30 Nov
Summary
- Nine women with advanced breast cancer survived 20 years post-vaccine.
- Cancer vaccine research is advancing rapidly with mRNA technology.
- New trials focus on boosting immune cells for long-term cancer control.

An experimental cancer vaccine trial from 2002 has yielded astonishing results, with all nine women diagnosed with advanced breast cancer now living cancer-free 20 years later. This unprecedented survival rate, statistically improbable, suggests a significant breakthrough in cancer treatment. The trial participants, including Lori Lober, received a vaccine targeting HER2 proteins, which fuel cancer growth.
This pioneering study predates current mRNA vaccine technology, which is now rapidly advancing cancer treatment for various forms of the disease. Researchers are focusing on boosting specific immune cells, like CD27 'helper' cells, which are crucial for long-term immune responses. Early studies indicate that enhancing these cells alongside vaccines could dramatically improve treatment efficacy.
While larger, randomized trials are still needed to confirm these findings, experts are optimistic about the future of cancer vaccines. The success of this early trial highlights the potential for vaccines to not only treat but also prevent cancer recurrence, offering a new paradigm in the fight against the disease.




