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Effects of naltrexone sustained-release/bupropion sustained-release combination therapy on body weight and glycemic parameters in overweight and obese patients with type 2 diabetes.

ABSTRACT: To assess the efficacy and safety of 32 mg naltrexone sustained-release (SR)/360 mg bupropion SR (NB) in overweight/obese individuals with type 2 diabetes with or without background oral antidiabetes drugs.This was a 56-week, double-blind, placebo-controlled study in which 505 patients received standardized lifestyle intervention and were randomized 2:1 to NB or placebo. Coprimary end points were percent weight change and achievement of ?5% weight loss. Secondary end points included achievement of HbA1c <7% (53 mmol/mol), achievement of weight loss ?10%, and change in HbA1c, waist circumference, fasting blood glucose, and lipids.In the modified intent-to-treat population (54% female, 80% Caucasian, and mean age 54 years, weight 106 kg, BMI 37 kg/m(2), and HbA1c 8.0% [64 mmol/mol]), NB resulted in significantly greater weight reduction (-5.0 vs. -1.8%; P < 0.001) and proportion of patients achieving ?5% weight loss (44.5 vs. 18.9%, P < 0.001) compared with placebo. NB also resulted in significantly greater HbA1c reduction (-0.6 vs. -0.1% [6.6 vs. 1.1 mmol/mol]; P < 0.001), percent of patients achieving HbA1c <7% (53 mmol/mol) (44.1 vs. 26.3%; P < 0.001), and improvement in triglycerides and HDL cholesterol compared with placebo. NB was associated with higher incidence of nausea (42.3 vs. 7.1%), constipation (17.7 vs. 7.1%), and vomiting (18.3 vs. 3.6%). No difference was observed between groups in the incidence of depression, suicidal ideation, or hypoglycemia.NB therapy in overweight/obese patients with type 2 diabetes induced weight loss, which was associated with improvements in glycemic control and select cardiovascular risk factors and was generally well tolerated with a safety profile similar to that in patients without diabetes.

SUBMITTER: Hollander P

PROVIDER: S-EPMC3836105 | biostudies-literature | 2013 Dec

REPOSITORIES: biostudies-literature

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Effects of naltrexone sustained-release/bupropion sustained-release combination therapy on body weight and glycemic parameters in overweight and obese patients with type 2 diabetes.

Hollander Priscilla P Gupta Alok K AK Plodkowski Raymond R Greenway Frank F Bays Harold H Burns Colleen C Klassen Preston P Fujioka Ken K

Diabetes care 20131021 12

<h4>Objective</h4>To assess the efficacy and safety of 32 mg naltrexone sustained-release (SR)/360 mg bupropion SR (NB) in overweight/obese individuals with type 2 diabetes with or without background oral antidiabetes drugs.<h4>Research design and methods</h4>This was a 56-week, double-blind, placebo-controlled study in which 505 patients received standardized lifestyle intervention and were randomized 2:1 to NB or placebo. Coprimary end points were percent weight change and achievement of ≥5% w ...[more]

PMID: 24144653

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Project description:Introduction:The objective of this pilot randomized controlled trial was to investigate the combined effect of a Mediterranean diet and naltrexone/bupropion treatment on body weight, metabolic parameters, and quality of life in overweight or obese breast cancer survivors. Methods:Forty-four breast cancer survivors were randomly assigned to receive the Mediterranean diet plus naltrexone/bupropion medication (breast cancer survivor MeDiet+NB group) or the Mediterranean diet alone (breast cancer survivor MeDiet-only group). Twenty-eight age-matched non-cancer patients were instructed to consume the Mediterranean diet plus naltrexone/bupropion medication (non-cancer MeDiet+NB group). After the 8-week intervention, changes in body weight, metabolic parameters, nutrient intake, and quality of life of the three groups were assessed. Results:Significant weight loss of 2.8 kg was noted for the breast cancer survivor MeDiet+NB group, 1.8 kg for the breast cancer survivor MeDiet-only group, and 2.5 kg for the non-cancer MeDiet+NB group after 8 weeks (P < 0.05 versus baseline by Wilcoxon's signed-rank test). All three groups also exhibited significantly lower fasting glucose, insulin, and homeostasis model assessment of insulin resistance levels (P < 0.05). Quality of life as assessed by self-reported questionnaires showed improvement in all participants (P < 0.05). However, there were no significant differences of changes in body weights, metabolic parameters, and quality of life among the three groups or between the MeDiet+NB and MeDiet-only groups. Conclusion:We found that the Mediterranean diet, with or without naltrexone/bupropion treatment, facilitates weight loss, improves metabolic parameters, and increases quality of life. The combination of the Mediterranean diet with naltrexone/bupropion treatment did not produce superior changes when compared to the Mediterranean diet alone. Trial Registration:This trial was retrospectively registered on 10 July 2018 as NCT03581630 at ClinicalTrials.gov (https://clinicaltrials.gov/ct2/show/NCT03581630).

Project description:Background/objectivesProlonged-release (PR) naltrexone 32 mg/bupropion 360 mg (NB) is approved for chronic weight management as an adjunct to reduced-calorie diet and increased physical activity. Central nervous system-active medications have the potential to affect mood; therefore, post hoc analysis of clinical trial data was conducted to evaluate psychiatric adverse events (PAEs) and effects on mood of NB therapy versus placebo.Subjects/methodsData were pooled from 5 prospective, double-blind, randomized, placebo-controlled clinical trials (duration range, 24-56 weeks) of NB in subjects with overweight or obesity. PAEs were collected via AE preferred terms, organized into major subtopics (e.g., anxiety, depression, sleep disorders), and divided into category terms (e.g., anxiety, potential anxiety symptoms). Additionally, the Inventory of Depressive Symptomatology Self Report (IDS-SR; score range 0-84) and the Columbia Classification Algorithm of Suicide Assessment (C-CASA) evaluated treatment-emergent depressive/anxiety symptoms and suicidal behavior/ideation, respectively.ResultsBaseline characteristics and comorbidities were comparable for placebo (n = 1515) and NB (n = 2545). Most common PAEs in the NB group (using category grouping; NB vs placebo) were sleep disorders (12.7 vs 7.9%, P < 0.001), anxiety (5.4 vs 3.3%, P = 0.029), and depression (1.8 vs 2.7%, P = 0.014); PAEs were more frequent during dose escalation and generally mild or moderate. Mean (SD) changes in IDS-SR total score from baseline to endpoint were small in both groups: 0.13 (5.83) for NB and -0.45 (5.65) for placebo. Retrospective AE categorization via C-CASA confirmed no completed suicides, suicide attempts, or preparatory acts toward imminent suicidal behavior.ConclusionsThis large pooled analysis of 5 clinical trials provides additional safety information about the NB PAE profile. Anxiety and sleep disorder-related PAEs were more frequent with NB versus placebo but were mostly mild to moderate and generally occurred early. Depression-related PAEs were less common with NB than placebo, and NB was not associated with suicidal ideation or behavior in this patient population.

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

Effects of naltrexone sustained-release/bupropion sustained-release combination therapy on body weight and glycemic parameters in overweight and obese patients with type 2 diabetes.

Publications

Effects of naltrexone sustained-release/bupropion sustained-release combination therapy on body weight and glycemic parameters in overweight and obese patients with type 2 diabetes.

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