Collegium Pharmaceutical, Inc., a specialty pharmaceutical company, develops and commercializes medicines for pain management. Its portfolio includes Xtampza ER, an abuse-deterrent, extended-release, oral formulation of oxycodone; Nucynta ER and Nucynta IR, which are extended-release and immediate-release formulations of tapentadol; and Xtampza ER for the management of pain severe enough to require daily, around-the-clock, long-term opioid treatment. The company was formerly known as Collegium Pharmaceuticals, Inc. and changed its name to Collegium Pharmaceutical, Inc. in October 2003. Collegium Pharmaceutical, Inc. was incorporated in 2002 and is headquartered in Stoughton, Massachusetts.