m-Chlorophenylpiperazine Effects in Neuroleptic-Free Schizophrenic Patients: Evidence Implicating Serotonergic Systems in the Positive Symptoms of Schizophrenia
Krystal JH, Seibyl JP, Price LH, Woods SW, Heninger GR, Aghajanian GK, Charney DS. m-Chlorophenylpiperazine Effects in Neuroleptic-Free Schizophrenic Patients: Evidence Implicating Serotonergic Systems in the Positive Symptoms of Schizophrenia. JAMA Psychiatry 1993, 50: 624-635. PMID: 8102048, DOI: 10.1001/archpsyc.1993.01820200034004.Peer-Reviewed Original ResearchConceptsBrief Psychiatric Rating ScaleHealthy subjectsPsychiatric Rating ScalePositive symptomsSchizophrenic patientsPatient groupDouble-blind randomized comparisonVeterans Affairs Medical CenterRating ScaleNeuroleptic-free schizophrenic patientsFirst patient groupSerotonin partial agonistPrincipal outcome variableVisual analog scaleBaseline prolactin levelsHigher baseline levelsSymptoms of schizophreniaAnalog scaleRandomized comparisonAnxiogenic responseSum of scoresProlactin levelsSerotonergic systemSerotonin functionHormone levels