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Researchers Say Drug Approved for Pinworm Infection Impairs Mesothelioma Cell Growth

Researchers at the Sbarro Institute for Cancer Research and Molecular Medicine at Temple University, Philadelphia, and University of Siena, Italy have discovered that a drug approved for the treatment of pinworm infection effectively impairs mesothelioma cell growth and migration.

The study authors wrote, “considering the previously established inhibitory effect of pyrvinium pamoate on the Wnt/β‐catenin pathway and given the important role of this pathway in MM, we investigated the potential anti‐tumor activity of this drug in MM cell lines.”

“We observed that pyrvinium pamoate significantly impairs MM cell proliferation, cloning efficiency, migration, and tumor spheroid formation. At the molecular level, our data show that pyrvinium pamoate down‐regulates the expression of β‐catenin and Wnt‐regulates genes,” which are implicated in mesothelioma aggressiveness and its resistance to conventional therapy.  

Pyrvinium pamoate (Pyrvinium or PP) “is able to affect important features of mesothelioma aggressiveness, suggesting that the repurposing of this drug for mesothelioma treatment could represent a new promising therapeutic approach,” said lead researcher Dr. Antonio Giordano of the Sbarro Institute for Cancer Research and Molecular Medicine.

The results of the study, titled Possible repurposing of pyrvinium pamoate for the treatment of mesothelioma: A pre‐clinical assessment, are “encouraging” wrote the team. “Especially considering that drug repositioning, using already approved drugs for new indications, is a promising strategy to identify active molecules for a more rapid and less expensive clinical translation compared to de novo drug development.”

In recent years, researchers have shown that Pyrvinium effectively inhibits other various cancer cell types such as brain, breast, colon and prostate.

If you have been diagnosed with mesothelioma, talk to your doctor about promising drug treatments such as pyrvinium pamoate. Repurposed treatments such as this could be effective in treating your specific type of mesothelioma. Talk to your doctor today.

 

Sources

Barbarino, Marcella, Daniele Cesari, Delaram Rahamani, Cristiana Bellan, and Antonio Giordano. "Possible Repurposing of Pyrvinium Pamoate for the Treatment of Mesothelioma: A Pre‐clinical Assessment." Wiley Online Library. John Wiley & Sons, Inc., 06 Mar. 2018. Web. 30 Apr. 2018.

Ishii, Isao, Yasuo Harada, and Tadashi Kasahara. "Reprofiling a Classical Anthelmintic, Pyrvinium Pamoate, as an Anti-cancer Drug Targeting Mitochondrial Respiration." U.S. National Library of Medicine. National Center for Biotechnology Information (NCBI), 02 Oct. 2012. Web. 30 Apr. 2018.

"Pyrvinium Pamoate: An Anti-Worm Drug with Important Anti-Cancer Potential." Cancertreatmentsresearch.com. Mihaela Catalina Stanciu Foundation for Life, 12 Mar. 2016. Web. 30 Apr. 2018.

Sbarro Health Research Organization (SHRO). "Repurposed Parasite Drug New Weapon Against Mesothelioma." Newswise. Newswise, Inc., 06 Mar. 2018. Web. 30 Apr. 2018.