The trend towards the use of atypical treatments is part of an effort to reduce NHS spending on schizophrenia care - currently £1bn annually, predominantly on in-patient treatment.
The account - won following a four-way pitch - is the first piece of business Pope Woodhead has picked up in the psychiatry field since its launch in May last year.
Pope Woodhead account director Emma Ward heads the agency team, overseen by business development director James Harper. They report jointly to BMS public affairs manager Tessa Lush and Otsuka communications manager Alison Ross.
The agency, which specialises in healthcare comms, works for clients including GlaxoSmithKline, Novartis and Reckitt Benckiser.