Key Findings:  This analysis finds that the duration of untreated psychosis (DUP), cannabis use, and diagnosis appear to predict the responses to antipsychotic treatments such as olanzapine, risperidone or haloperidol.
Type of Study:  Clinical Trial
Study Sample Size:  161
Study Result:  Negative
Research Location(s):  Spain
Year of Pub:  2013
Cannabinoids Studied:  Cannabinoid (unspecified)
Phytocannabinoid Source:  Not Applicable
Citation:  Pelayo-Terán JM, et al. Trajectories of symptom dimensions in short-term response to antipsychotic treatment in patients with a first episode of non-affective psychosis. Psychol Med. 2014; 44:37-50. doi: 10.1017/S0033291713000330
Authors:  Pelayo-Terán JM, Diaz FJ, Pérez-Iglesias R, Suárez-Pinilla P, Tabarés-Seisdedos R, de León J, Crespo-Facorro B