RT Journal Article SR Electronic T1 Another depot neuroleptic: pipothiazine JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 28 OP 28 DO 10.1136/dtb.22.7.28 VO 22 IS 7 YR 1984 UL http://dtb.bmj.com/content/22/7/28.abstract AB Pipothiazine palmitate (Piportil Depot) is a piperidine phenothiazine derivative, the seventh long-acting injectable neuroleptic to be marketed in the UK.1 Although new here, it has been used for more than a decade in other countries.2,3 After injection pipothiazine acts for about 4 weeks (range 2–8 weeks), longer than other injectable neuroleptics.