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The efficacy and safety of bupropion sustained-release formulation for the treatment of major depressive disorder: a multi-center, randomized, double-blind, placebo-controlled study in Asian patients.

ABSTRACT: This study was conducted to compare the efficacy and safety of bupropion sustained-release (SR) formulation orally administered at daily doses of 150 mg/day (once daily) and 300 mg/day (150 mg twice daily) for 8 weeks versus placebo in Asian patients with major depressive disorder. The mean change from baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) total score at week 8 was compared between each of the bupropion SR dose groups and the placebo group using an analysis of covariance with the multiplicity adjustment by Dunnett's step-down procedure. A total of 569 subjects met all of the inclusion criteria and proceeded to the treatment phase. The subjects proceeding to the treatment phase included 454 Japanese patients and 115 Korean patients. There was no statistically significant difference between each of the bupropion SR dose groups and the placebo group in the primary efficacy endpoint of change from baseline in MADRS total score at week 8. Similar results were generally obtained for all of the secondary efficacy endpoints. The secondary analysis and the other subgroup analysis did not show a statistically significant difference in efficacy. There was no substantial difference in the type, severity, and incidence of adverse events (AEs) between the bupropion SR dose groups and the placebo group, which indicates a favorable safety profile for bupropion SR. There were no significant findings in subjects treated with bupropion SR in regard to sexual dysfunction, weight change, and withdrawal syndrome, which are frequently recognized as clinical concerns associated with selective serotonin reuptake inhibitors, widely used for the treatment of depression.

SUBMITTER: Koshino Y

PROVIDER: S-EPMC3770623 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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The efficacy and safety of bupropion sustained-release formulation for the treatment of major depressive disorder: a multi-center, randomized, double-blind, placebo-controlled study in Asian patients.

Koshino Yoshifumi Y Bahk Won-Myong WM Sakai Hideaki H Kobayashi Takayuki T

Neuropsychiatric disease and treatment 20130828

This study was conducted to compare the efficacy and safety of bupropion sustained-release (SR) formulation orally administered at daily doses of 150 mg/day (once daily) and 300 mg/day (150 mg twice daily) for 8 weeks versus placebo in Asian patients with major depressive disorder. The mean change from baseline in Montgomery-Åsberg Depression Rating Scale (MADRS) total score at week 8 was compared between each of the bupropion SR dose groups and the placebo group using an analysis of covariance ...[more]

PMID: 24039429

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Project description:BackgroundBupropion is used to treat depression during pregnancy. However, its usefulness as a smoking cessation aid for pregnant women is not fully known.ObjectiveThe objective of the study was to evaluate the preliminary efficacy of bupropion sustained release for smoking cessation during pregnancy.Study designWe conducted a randomized, prospective, double-blind, placebo-controlled, pilot trial. Pregnant women who smoked daily received individualized behavior counseling and were randomly assigned to a 12 week, twice-a-day treatment with 150 mg bupropion sustained release or placebo. The primary study objectives were to determine whether bupropion sustained release reduces nicotine withdrawal symptoms on the quit date and during the treatment period compared with placebo and whether it increases 7 day point prevalence abstinence at the end of the treatment period and at the end of pregnancy.ResultsSubjects in the bupropion (n = 30) and placebo (n = 35) groups were comparable in age, smoking history, number of daily smoked cigarettes, and nicotine dependence. After controlling for maternal age and race, bupropion sustained release reduced cigarette cravings (1.5 ± 1.1 vs 2.1 ± 1.2, P = .02) and total nicotine withdrawal symptoms (3.8 ± 4.3 vs 5.4 ± 5.1, P = .028) during the treatment period. Administration of bupropion sustained release reduced tobacco exposure, as determined by levels of carbon monoxide in exhaled air (7.4 ± 6.4 vs 9.1 ± 5.8, P = .053) and concentrations of cotinine in urine (348 ± 384 ng/mL vs 831 ± 727 ng/mL, P = .007) and increased overall abstinence rates during treatment (19% vs 2%, P = .003). However, there was no significant difference in 7 day point prevalence abstinence rates between the 2 groups at the end of medication treatment (17% vs 3%, P = .087) and at the end of pregnancy (10% vs 3%, P = .328).ConclusionIndividual smoking cessation counseling along with the twice-daily use of 150 mg bupropion sustained release increased smoking cessation rates and reduced cravings and total nicotine withdrawal symptoms during the treatment period. However, there was no significant difference in abstinence rates between groups at the end of medication treatment and at the end of pregnancy, likely because of the small sample size. A larger study is needed to confirm these findings and to examine the potential benefit/ risk ratio of bupropion sustained release for smoking cessation during pregnancy.

Dataset Information

The efficacy and safety of bupropion sustained-release formulation for the treatment of major depressive disorder: a multi-center, randomized, double-blind, placebo-controlled study in Asian patients.

Publications

The efficacy and safety of bupropion sustained-release formulation for the treatment of major depressive disorder: a multi-center, randomized, double-blind, placebo-controlled study in Asian patients.

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