Comparison of efficacy of zotepine and thiothixene in schizophrenia in a double-blind study. 1987

K Sarai, and M Okada

Zotepine and thiothixene were compared for clinical efficacy and safety in a double-blind trial. Using overall improvement ratings and Gorham's BPRS, zotepine rated higher improvement in motor retardation, suspiciousness, mannerisms and posturing symptoms, suggesting that it has both activating and antipsychotic activities. Thiothixene produced higher improvement ratings in symptoms such as hallucinatory behavior, somatic concerns, anxiety, guilt feelings, tension, depressive mood and uncooperativeness. As for side effects, there was a significantly lower frequency of dry mouth and insomnia with zotepine when compared with thiothixene. The lower incidence of insomnia is interesting in view of zotepine's clinical activating effects. There were no abnormal laboratory findings.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011569 Psychiatric Status Rating Scales Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness. Factor Construct Rating Scales (FCRS),Katz Adjustment Scales,Lorr's Inpatient Multidimensional Psychiatric Rating Scale,Wittenborn Scales,Edinburgh Postnatal Depression Scale,Mini International Neuropsychiatric Interview
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D002986 Clinical Trials as Topic Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries. Clinical Trial as Topic
D003988 Dibenzothiepins
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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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