Bankier 1968.

Methods	Allocation: randomly assigned, no further information. Blindness: double (identical capsules and IM preparations). Design: 2 parallel groups arranged into 8 subgroups with 8 to 10 patients in each, single centre. Duration: 6 months (phase III and VI) preceded by phase II (2 weeks washout) plus phase I (2 weeks assessment period). Analysis: intention‐to‐treat. Country: Canada.
Participants	Diagnosis: schizophrenia, no further details. N=70. Age: mean 47.8 years. Sex: M 48, F24 (report 2 more patients)#. Setting: hospital. History: chronic (mean 17.5 years of hospitalisation).
Interventions	1. Trifluoperazine: dose no data, only the equivalence between both drugs. N=35. 2. Fluphenazine enanthate (Prolixin): dose no data, only the equivalence between both drugs. N=35.
Outcomes	Side effects. Leaving the study early. Mental state: (psychological tests; Bender‐Gestalt Score; Hooper VOT scores, MSRPP ratings ‐ no SD). Behaviour: (daily ward reports ‐ nursing staff). Laboratory tests.
Notes	# report 48 male plus 24 female=72 patients.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear