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Conventional vs controlled-release carbamazepine: a multicentre, double-blind, cross-over study. 1990

R Canger, and A C Altamura, and O Belvedere, and F Monaco, and G C Monza, and G C Muscas, and R Mutani, and B Panetta, and F Pisani, and G Zaccara
Department of Neurology, University of Milan, Italy.

The tolerability and pharmacokinetics of a new controlled-release (CR) formulation of carbamazepine (CBZ), were assessed in a multicentre, double-blind, cross-over trial, carried out in 48 epileptic patients (21 men, 27 women; mean age 34.2 years) on conventional CBZ monotherapy, but without complete seizure control (n = 22) or with intermittent side effects (n = 4), or with both (n = 22). Eligible patients were randomized to conventional CBZ or CR CBZ, each given in sequence at individualized daily doses, subdivided into the lowest number of administrations. Each period of the cross-over consisted of a first phase of optimal dose finding (lasting up to two months) and a second one of maintenance (lasting one month) used for evaluation. At the end of each period, a 10-h plasma CBZ and CBZ-epoxide concentration profile, as well as the tolerability and the efficacy of the drugs, were evaluated. The mean CBZ daily dose increased by 16% during the administration of the CR formulation. Fluctuations of total CBZ and 10, 11-epoxide plasma level daily profiles at steady-state were significantly (p less than 0.001) lower during CR CBZ treatment, leading to a significant (p less than 0.001) decrease in intermittent side effects (6 patients on CR CBZ vs 26 on conventional CBZ). Finally, 38 patients on CR CBZ (vs 15 patients on conventional CBZ) were treated with a b.i.d. regimen.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002220 Carbamazepine A dibenzazepine that acts as a sodium channel blocker. It is used as an anticonvulsant for the treatment of grand mal and psychomotor or focal SEIZURES. It may also be used in the management of BIPOLAR DISORDER, and has analgesic properties. Amizepine,Carbamazepine Acetate,Carbamazepine Anhydrous,Carbamazepine Dihydrate,Carbamazepine Hydrochloride,Carbamazepine L-Tartrate (4:1),Carbamazepine Phosphate,Carbamazepine Sulfate (2:1),Carbazepin,Epitol,Finlepsin,Neurotol,Tegretol
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
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
D016032 Randomized Controlled Trials as Topic Works about clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table. Clinical Trials, Randomized,Controlled Clinical Trials, Randomized,Trials, Randomized Clinical

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