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Teva Pharmaceutical Industries Ltd (NYSE: TEVA) and Xenon Pharmaceuticals Inc. (Xenon) announced today that they have entered into a collaborative development and exclusive worldwide license for XEN402. XEN402 is currently in clinical development for a variety of painful disorders. This product specifically targets sodium channels which are abundantly found in sensory nerve endings that can increase in chronic painful conditions. Under the Agreement, Teva will pay Xenon an upfront fee of $41 million. In addition Teva shall pay development, regulatory, and sales-based milestones totaling up to $335M. Xenon is entitled to royalties payable on sales and an option to participate in commercialization in the U.S.
“Teva is building a focused pipeline of novel medicines in select areas of medical need,” stated Dr. Jeremy Levin, President and CEO of Teva Pharmaceutical Industries Ltd. “XEN402 fits this strategy. It holds the potential to address the significant unmet medical need for the many patients who suffer from chronic pain. In addition, XEN402 has the potential for broader therapeutic use across other pain conditions.”
“We are delighted to be collaborating with Teva,” said Simon Pimstone, M.D., Ph.D., President and CEO of Xenon. “Teva is among the world’s leading pharmaceutical companies and is building a significant global presence in innovative drug development and commercialization. This partnership with Teva is Xenon’s seventh major pharmaceutical alliance, once again highlighting the value of Xenon’s unique genetics approach and translational R&D capabilities.”
XEN402 treats pain locally at its source through blocking of Nav1.7 and Nav1.8 sodium channels. XEN402 has been studied in human subjects as both oral and topical forms. In a published study, oral XEN402 was shown to be effective at relieving the pain associated with the rare neuropathic pain condition, erythromelalgia (Pain 2012 Jan;153(1):80-5). Topical XEN402 was studied in a phase 2 trial to evaluate for effectiveness in alleviating the pain of post herpetic neuralgia. In this study the proportion of patients reporting clinically meaningful reductions in pain was significantly greater for topical XEN402 than for placebo (p=0.049 for >30% response and p=0.0078 for >50% response).