[Antipsychotic efficacy in relation to plasma levels of clozapine (author's transl)]. 1976

M Ackenheil, and H Bräu, and A Burkhart, and A Franke, and W Pacha

The relationship between antipsychotic effect and side effects and plasma levels of clozapine were investigated in 26 patients. A significant linear correlation was found between dosage and plasma levels of clozapine. All patients were clearly improved. The degree of improvement was independent of the plasma levels in an average range of plasma levels (100 ng/ml-800 ng/ml). Sedation and orthostatic dysregulation occurred most pronounced on the third day of treatment. There was no relationship between plasma levels and these symptoms. After prolonged treatment the degree of both symptoms diminished. The development of tolerance of symptoms is concluded.

UI MeSH Term Description Entries
D007024 Hypotension, Orthostatic A significant drop in BLOOD PRESSURE after assuming a standing position. Orthostatic hypotension is a finding, and defined as a 20-mm Hg decrease in systolic pressure or a 10-mm Hg decrease in diastolic pressure 3 minutes after the person has risen from supine to standing. Symptoms generally include DIZZINESS, blurred vision, and SYNCOPE. Hypotension, Postural,Orthostatic Hypotension,Postural Hypotension
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011618 Psychotic Disorders Disorders in which there is a loss of ego boundaries or a gross impairment in reality testing with delusions or prominent hallucinations. (From DSM-IV, 1994) Psychoses,Psychosis, Brief Reactive,Schizoaffective Disorder,Schizophreniform Disorders,Psychosis,Brief Reactive Psychoses,Brief Reactive Psychosis,Disorder, Psychotic,Disorder, Schizoaffective,Disorder, Schizophreniform,Disorders, Psychotic,Disorders, Schizoaffective,Disorders, Schizophreniform,Psychoses, Brief Reactive,Psychotic Disorder,Reactive Psychoses, Brief,Reactive Psychosis, Brief,Schizoaffective Disorders,Schizophreniform Disorder
D003024 Clozapine A tricylic dibenzodiazepine, classified as an atypical antipsychotic agent. It binds several types of central nervous system receptors, and displays a unique pharmacological profile. Clozapine is a serotonin antagonist, with strong binding to 5-HT 2A/2C receptor subtype. It also displays strong affinity to several dopaminergic receptors, but shows only weak antagonism at the dopamine D2 receptor, a receptor commonly thought to modulate neuroleptic activity. Agranulocytosis is a major adverse effect associated with administration of this agent. Clozaril,Leponex
D003984 Dibenzazepines Compounds with two BENZENE rings fused to AZEPINES.
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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