Collegium Pharmaceutical is a specialty pharmaceutical company that develops and commercializes products for patients suffering from pain and other central nervous system disorders. The company's flagship product, Xtampza ER, is an extended-release oral formulation of oxycodone that is designed to deter abuse. Collegium Pharmaceutical was founded in 2002 and is headquartered in Stoughton, Massachusetts. The company's mission is to be the leader in responsible pain management. Collegium Pharmaceutical has a portfolio of products that includes Xtampza ER, Nucynta ER, and Onsolis.