Pacific Research Partners, a division of CNS Network, in partnerships with major pharmaceutical sponsors, conducts clinical trials for new medical devices, medications and treatments in various therapeutic areas including HIV, psychiatry and general health conditions. Our parent company was founded in 2000. CNS has grown to become one of the largest clinical research providers in the country, and the largest in Southern California. CNS operates three outpatient clinics located in Southern California (Garden Grove, Long Beach and Torrance). Additionally, CNS’s Long Beach facility offers a dedicated Phase I Unit and a JCAHO-accredited Psychiatric Health Facility (PHF) centrally located in the greater Los Angeles area.