NCT01731977.

Study name	Effectiveness of the strengths‐based family psychoeducation for youth psychosis: randomized controlled trial
Methods	Randomised
Participants	Patient: patient whose age is between 15 and 39 years old, currently takes outpatient treatment and fulfils the diagnostic criteria of the DSM‐IV‐TR for schizophrenia, brief psychotic disorder, schizophreniform disorder, schizoaffective disorder or delusional disorder Family: person whose age is between 20 and 74 years old and who is classified as one of the four relationships with the patient; parent, spouse, sibling and someone who has been living together more than 3 months
Interventions	Strength‐based family psychoeducation for youth psychosis in a group setting + treatment‐as‐usual versus treatment‐as‐usual alone
Outcomes	1.Change from baseline in the total score of trait anxiety of the Japanese version of the STAI at 14 weeks
Starting date	July 2012
Contact information	Nao Shiraishi, Department of Psychiatry and Cognitive‐Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya City University.
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