Story perspectives

Viagra and statins cut cancer spread, boost survival

8/5/2026

Summary

Sildenafil Slows Cancer

Researchers reported sildenafil may reduce cancer spread and extend survival in men who used it before diagnosis.
The drug blocks NPC1, trapping cholesterol in lysosomes and starving cancer cells.
Sildenafil reduced migration in breast, lung and colon cancer cell lines and lowered lung metastases in treated mice.
Clalit Health Services analysis of 5 million people found 40,000 male cancer patients who used Viagra before diagnosis had higher survival, especially with statins.

Summary

Sildenafil Blocks Metastasis

Scientists from Israel’s Weizmann Institute, the U.S. National Cancer Institute and Clalit Health Services reported that sildenafil works with statins, used by over 200 million people globally, to inhibit cancer metastasis.
Sildenafil was originally created to treat angina pectoris before its erectile-dysfunction effect was discovered.
Pfizer received regulatory approval for Viagra as an erectile-dysfunction therapy in 1998, shifting its commercial focus.

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Sildenafil Slows Cancer

Researchers reported sildenafil may reduce cancer spread and extend survival in men who used it before diagnosis.
The drug blocks NPC1, trapping cholesterol in lysosomes and starving cancer cells.
Sildenafil reduced migration in breast, lung and colon cancer cell lines and lowered lung metastases in treated mice.
Clalit Health Services analysis of 5 million people found 40,000 male cancer patients who used Viagra before diagnosis had higher survival, especially with statins.

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