The Medical News

The Medical News

The benefits of a daily aspirin may extend beyond heart health to colorectal cancer treatment, say City of Hope researchers who have found aspirin appears to reduce tumor growth and inhibit recurrence of the disease. The trick now, researchers say, is to determine the right dosage of aspirin that can be used as a daily prophylactic without triggering dangerous side effects such as stomach and brain bleeds. Some might say aspirin is a 'miracle drug' because of its potential to prevent diseases that result from chronic inflammation, such as cancer, Alzheimer's, Parkinson's and arthritis. The reason aspirin isn't currently being used to prevent these diseases is because taking too much of any anti-inflammatory eats at the stomach's mucus lining and causes gastrointestinal and other problems. We are getting closer to discovering the right amount of daily aspirin needed to treat and prevent colorectal cancer without causing scary side effects." Ajay Goel, Ph.D., senior author of a new study and chair of the Department of Molecular Diagnostics, Therapeutics and Translational Oncology at City of Hope The study, published in the journal Carcinogenesis on Jan. 6, used mouse models and mathematical modeling to parallel the amount of daily aspirin people in the U.S. and Europe are taking in clinical trials. The City of Hope-led research found that as the aspirin doses increased, the rate of cell death increased while the division rates of cells decreased, meaning tumor cells were more likely to die and not proliferate. "We are now working with some of the people conducting those human clinical trials to analyze data and use mathematical modeling. This process adds a layer of confidence to the findings and guides future human trial designs," Goel said, adding that colorectal cancer is among the top five cancers diagnosed every year. Research details Goel and his colleagues tested three varying daily doses of aspirin in four colorectal cancer cell lines, including tumors with microsatellite instability and mutations in the PIK3CA gene, which has been tied to increased risk of endometrial, colon and aggressive breast cancers. Related Stories



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