Value of serum diazepam and nordiazepam measurements in anxious patients. 1984

P Tyrer, and I Treasaden, and K Moreton, and P Riley, and R J Flanagan, and S Dawling

The relationship between the dose and anxiolytic effects of diazepam and the serum concentrations of diazepam and nordiazepam were examined in groups of acutely and chronically anxious patients. The results showed a significant correlation between dose and serum nordiazepam concentrations after short-term (14-day) administration, but no significant association between clinical symptoms of anxiety and serum diazepam and nordiazepam. We conclude that the main value of serum benzodiazepine measurements in anxious patients in assessing compliance, particularly in patients suspected of taking more than the recommended dose. Serum nordiazepam is a more consistent index of dosage after chronic therapy than serum diazepam because it has a longer elimination half-time.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010349 Patient Compliance Voluntary cooperation of the patient in following a prescribed regimen. Client Adherence,Client Compliance,Non-Adherent Patient,Patient Adherence,Patient Cooperation,Patient Noncompliance,Patient Non-Adherence,Patient Non-Compliance,Patient Nonadherence,Therapeutic Compliance,Treatment Compliance,Adherence, Client,Adherence, Patient,Client Compliances,Compliance, Client,Compliance, Patient,Compliance, Therapeutic,Compliance, Treatment,Cooperation, Patient,Non Adherent Patient,Non-Adherence, Patient,Non-Adherent Patients,Non-Compliance, Patient,Nonadherence, Patient,Noncompliance, Patient,Patient Non Adherence,Patient Non Compliance,Patient, Non-Adherent,Therapeutic Compliances,Treatment Compliances
D003708 Nordazepam An intermediate in the metabolism of DIAZEPAM to OXAZEPAM. It may have actions similar to those of diazepam. Dealkylprazepam,Demethyldiazepam,Deoxydemoxepam,Desmethyldiazepam,Nordiazepam,Calmday,N-Desalkylhalazepam,N-Descyclopropylmethyl-Prazepam,N-Descyclopropylmethylprazepam,N-Destrifluoroethylhalazepam,Nordaz,Norprazepam,Ro 5-2180,Tranxilium N,Vegesan,N Desalkylhalazepam,N Descyclopropylmethyl Prazepam,N Descyclopropylmethylprazepam,N Destrifluoroethylhalazepam,Ro 5 2180,Ro 52180
D003975 Diazepam A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity. 7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one,Apaurin,Diazemuls,Faustan,Relanium,Seduxen,Sibazon,Stesolid,Valium
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
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
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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