Gallant 1968.

Methods	Allocation: randomly assigned, no further details. Blindness: double. Design: 2 parallel groups, single centre. Duration: 9 weeks (preceded by minimum of 17 days washout). Analysis: intention‐to‐treat. Country: USA.
Participants	Diagnosis: schizophrenia, no further details. N=24. Age: average 43 years. Sex: M 12, F 12. Setting: hospital. History: chronic.
Interventions	1. Trifluoperazine: dose up to 80 mg/day. N=12. 2. Molindone: dose up to 80 mg/day. N=12.
Outcomes	Global state: (global ratings of improvement). Side effects: (EPS). Use of antiparkinson agents. Unable to use ‐ Mental state: (BPRS ‐ no data). Behaviour: (NOSIE ‐ no data).
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear