Key Findings:  This study of adjuvant N-palmitoylethanolamide (PEA) for treating negaative symptoms in patients with schizophrenia found that PEA was safe and effective.
Type of Study:  Double Blind Clinical Trial
Study Sample Size:  50
Study Result:  Positive
Research Location(s):  Iran
Year of Pub:  2022
Cannabinoids Studied:  Anandamide (AEA), Palmitoylethanolamide (PEA)
Phytocannabinoid Source:  Not Applicable
Ligands Studied:  Dopamine, Glutamate
Dosage: PEA (600 mg twice a day)
Route of Administration:  Oral (Ingestion)
Citation:  Salehi A, et al. Adjuvant palmitoylethanolamide therapy with risperidone improves negative symptoms in patients with schizophrenia: A randomized, double-blinded, placebo-controlled trial. Psychiatry Res. 2022; 316:114737. doi: 10.1016/j.psychres.2022.114737
Authors:  Salehi A, Namaei P, TaghaviZanjani F, Bagheri S, Moradi K, Khodaei Ardakani MR, Akhondzadeh S