Researchers found that sildenafil, the active ingredient in Viagra, may interfere with the ability of cancer cells to metastasize by limiting their access to cholesterol.
Key facts
- •Sildenafil works by limiting cholesterol access, which cancer cells need to detach from primary tumors and invade other organs.
- •The study analyzed anonymized medical records from approximately 5 million participants, including 40,000 males diagnosed with cancer.
- •Researchers found that combining sildenafil with statins may potentially strengthen the anti-metastatic effect.
- •The study was limited to medication use prior to a cancer diagnosis and did not evaluate outcomes for patients who started Viagra after diagnosis.
- •Experts noted that cancer cells can develop 'escape mechanisms' to bypass therapies, necessitating further research to determine the viability of a Viagra-based treatment regimen.
A new study published in the journal Cancer Research suggests that sildenafil, the active ingredient in Viagra, may help slow the spread of cancer. Researchers from the Weizmann Institute of Science and Clalit Health Services found that the drug may block cancer cells from accessing cholesterol, a substance tumors require to metastasize and travel to other parts of the body.
By the numbers
Study Findings and Methodology
The research involved laboratory tests on mouse models and human cancer cell cultures, alongside an observational study of 40,000 male cancer patients. Data analysis of over 20 years of medical records indicated that male patients who used Viagra before a cancer diagnosis experienced higher overall survival rates than those who did not. This survival benefit was reportedly more pronounced in patients who also took statins.
Expert Perspective and Limitations
Medical experts not involved in the study, including Dr. S. Adam Ramin and Dr. Mike Lattanzi, noted that while the findings are intriguing, they are preclinical and require validation through human clinical trials. Researchers emphasized that the study did not examine the effects of Viagra after a cancer diagnosis and cautioned that patients should not begin taking the drug for cancer treatment based on these preliminary results. Additionally, the study did not determine if the findings apply to women, as the participant cohort was predominantly male.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by Healthline.
