Document Detail

A comparison between chlormethiazole and nitrazepam as hypnotics in psycho-geriatric patients.
MedLine Citation:
PMID:  4616806     Owner:  NLM     Status:  MEDLINE    
A double-blind crossover study was carried out in 68 demented elderly patients (mean age 77 years) to compare the hypnotic effects of chlormethiazole and nitrazepam. Chlormethiazole was administered as a 5% mixture (500 mg. chlormethiazole edisylate) in a 10 ml. dose: the corresponding single dose of nitrazepam was 10 mg. Treatment was discontinued in 6 patients and interrupted for from 1 to 3 days in a further 18 due to side-effects and 'hang-over' problems or because of intercurrent infections. Of these 24 drop-outs, 3 occurred during chlormethiazole treatment (1 severe 'hang-over'; 2 refused to take medication) and 21 during nitrazepam (15 severe 'hang-over' effects, including sleepiness and muscular weakness; 2 nausea; 4 intercurrent infection). Both preparations were equally effective as hypnotics, there being no noteworthy differences in time of onset or in duration of sleep. Of the 44 patients completing the trial without interuption, observations were carried out for 308 nights on each preparation. Chlormethiazole patients slept for more than 6 hours on 244 of the 308 nights without 'hang-over' effect the next day compared with 163 out of 308 nights of those on nitrazepam. The difference is statistically significant in favour of chlormethiazole. The high incidence of 'hang-over' effect during nitrazepam treatment indicates that a single 10 mg. dose is too large for use in the elderly. Overall assessment of treatment was made in 62 patients. Chlormethiazole was judged to be the most suitable drug in 37, nitrazepam in 11, and both preparations equally useful in the remaining 14 patients. This difference is statistically significant.
A Harenko
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Current medical research and opinion     Volume:  2     ISSN:  0300-7995     ISO Abbreviation:  Curr Med Res Opin     Publication Date:    1974-1975
Date Detail:
Created Date:  1975-07-03     Completed Date:  1975-07-03     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0351014     Medline TA:  Curr Med Res Opin     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  657-63     Citation Subset:  IM    
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MeSH Terms
Chlormethiazole / adverse effects,  therapeutic use*
Clinical Trials as Topic
Dementia / drug therapy*
Hypnotics and Sedatives / adverse effects,  therapeutic use*
Middle Aged
Nitrazepam / adverse effects,  therapeutic use*
Patient Dropouts
Sleep Stages
Time Factors
Reg. No./Substance:
0/Hypnotics and Sedatives; 146-22-5/Nitrazepam; 533-45-9/Chlormethiazole

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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