Leong 1989.

Methods	Allocation: randomised. Blindness: partial. Duration: 28 weeks.
Participants	Diagnosis: schizophrenia (ICD‐295). History: informed consent given. N=60. Age: mean 38 years, range 18‐65. Sex: 27M, 33F. Setting: community.
Interventions	1. Pipothiazine palmitate: dose range 25‐50 mg/IM/frequency not reported. N=30. 2. Fluphenazine decanoate: dose range 12.5‐50 mg/IM/frequency not reported. N=30.
Outcomes	Global Impression: CGI. Leaving the study early. Additional medication. Adverse effects: checklist, EPS. Unable to use ‐ Mental state: BPRS (no usable data).
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear