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CogENT Therapeutics®, LLC is a privately held medical device company based in Hayward, California pioneering innovative biomaterial and device solutions focused on improving the lives of patients suffering ear, nose, and throat (ENT) disorders.

CogENT's first commercial product was the XeroGel® nasal/epistaxis pack, a novel product indicated for use in nasal/sinus surgery to minimize bleeding, separate tissues, prevent adhesion formation between mucosal surfaces, aid in the natural wound healing process, and treat epistaxis. Entellus Medical, Inc. acquired XeroGel® in June of 2016. XeroGel® provides a unique combination of inherent hemostatic properties, turgidity during wound healing, and thorough, consistent dissolution to enhance patient comfort during follow up exams. The product combines CogENT's proprietary polymer platform combining chitosan (a potent hemostatic biopolymer) with polyethylene glycol (a well-characterized synthetic polymer) to address the shortcomings and limitations of currently available splints, packs, and dressings used in ENT surgery.

The company was founded in 2011 as a collaboration between medical industry veterans and innovative ENT surgeons.