Wang 2003.

Trial name or title	60 week, randomised, double‐blind, placebo‐controlled trial of valproate added to risperidone in 200 treatment‐naive, first‐episode people with schizophrenia
Methods	Allocation: not stated Blindness: double‐blinded Duration: 52 weeks
Participants	Those with schizophrenia, n = 200
Interventions	1. Valproate + antipsychotics 2. Placebo + antipsychotics
Outcomes	Global state: CGI‐ HAM‐D Mental state: PANSS Cognitive battery
Starting date	2003
Contact information	Gang Wang MD Capital University of Medical Sciences Beijing Anding Hospital No.5 An Kang Hutong De Shengmen Wai Street Beijing Xicheng District 100088 China wangg@intra.nimh.nih.gov
Notes