Gallant 1968 II.

Methods	Allocation: randomly assigned, no further details. Blindness: no data#. Design: 2 parallel groups, single centre. Duration: 1 week (preceded by minimum of 26 days washout). Analysis: intention‐to‐treat. Country: USA.
Participants	Diagnosis: schizophrenia, no further details. N=52. Age: range 31‐58 years, mean 45 years. Setting: hospital. Sex: M 26, F 26. History: chronic Illness (average length of hospitalisation 16.5 years, range 4‐28 years).
Interventions	1. Trifluoperazine: dose 20 mg/day IM (maximum). N=26. 2. Thiothixene: dose 20 mg/day IM (maximum). N=26.
Outcomes	Global state: (global ratings of improvment). Side effects: (EPS, sedation, local tissue reactions). Mental state: (BPRS ‐ no data). Behaviour: (NOSIE ‐ no data).
Notes	# Blindness: no data.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear