title: An investigation of the clinical effect of GPA-1714, a catechol-O-methyl transferase inhibitor.
mesh_terms: D000328:Adult; D000440:Butanols / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use; D065098:Catechol O-Methyltransferase Inhibitors; D002986:Clinical Trials as Topic; D005707:Gallic Acid / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D008111:Liver Function Tests; D008297:Male; D008780:Methyltransferases / Q000037:antagonists & inhibitors*; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales; D011618:Psychotic Disorders / Q000188:drug therapy; D012559:Schizophrenia / Q000188:drug therapy
chemical_list: D000440:Butanols; D065098:Catechol O-Methyltransferase Inhibitors; D005707:Gallic Acid; D008780:Methyltransferases