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Metabolic syndrome in patients enrolled in a clinical trial of aripiprazole in the maintenance treatment of bipolar I disorder: a post hoc analysis of a randomized, double-blind, placebo-controlled trial.

ABSTRACT: To compare the effects of maintenance treatment with aripiprazole or placebo on the incidence of metabolic syndrome in bipolar disorder.Patients with DSM-IV bipolar I disorder were stabilized on aripiprazole therapy for 6-18 weeks prior to double-blind random assignment to aripiprazole or placebo for 26 weeks. The rate of metabolic syndrome in each group was calculated at maintenance phase baseline (randomization) and endpoint for evaluable patients using a last-observation-carried-forward (LOCF) approach. Metabolic syndrome was defined using the National Cholesterol Education Program Adult Treatment Panel III criteria. The study was conducted from March 2000 to June 2003 at 76 centers in Argentina, Mexico, and the United States.At entry into the maintenance phase, 45/125 patients (36.0%) overall met criteria for metabolic syndrome. Mean changes in the 5 components of metabolic syndrome (waist circumference, triglyceride levels, high-density lipoprotein cholesterol level, blood pressure, and glucose level) from baseline to week 26 were small except for a meaningful reduction in triglycerides (placebo -18.9 mg/dL; aripiprazole -11.5 mg/dL). By the end of the maintenance phase (endpoint, LOCF), 5/18 placebo-treated patients (27.8%) and 4/14 aripiprazole-treated patients (28.6%) no longer met metabolic syndrome criteria. The proportion of patients with metabolic syndrome was similar in the placebo and aripiprazole groups at both baseline and week 26. There were no significant changes in any of the individual components of metabolic syndrome between aripiprazole- and placebo-treated patients during maintenance phase treatment.The prevalence of metabolic syndrome in patients with bipolar disorder is higher than that commonly reported in the general population. The effect of 26 weeks of treatment with aripiprazole on the incidence of metabolic syndrome and its components was similar to placebo.clinicaltrials.gov Identifier: NCT00036348.

SUBMITTER: Kemp DE

PROVIDER: S-EPMC3590811 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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Metabolic syndrome in patients enrolled in a clinical trial of aripiprazole in the maintenance treatment of bipolar I disorder: a post hoc analysis of a randomized, double-blind, placebo-controlled trial.

Kemp David E DE Calabrese Joseph R JR Tran Quynh-Van QV Pikalov Andrei A Eudicone James M JM Baker Ross A RA

The Journal of clinical psychiatry 20100504 9

<h4>Objective</h4>To compare the effects of maintenance treatment with aripiprazole or placebo on the incidence of metabolic syndrome in bipolar disorder.<h4>Method</h4>Patients with DSM-IV bipolar I disorder were stabilized on aripiprazole therapy for 6-18 weeks prior to double-blind random assignment to aripiprazole or placebo for 26 weeks. The rate of metabolic syndrome in each group was calculated at maintenance phase baseline (randomization) and endpoint for evaluable patients using a last- ...[more]

PMID: 20492838

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Project description:AimsRapid-cycling bipolar disorder is difficult to treat and associated with greater morbidity than non-rapid-cycling disease. This post hoc analysis evaluated 28 patients with rapid-cycling bipolar I disorder from a 100-week, double-blind, placebo-controlled study assessing long-term efficacy, safety and tolerability of aripiprazole in patients with bipolar I disorder (most recently manic/mixed).MethodsFollowing >or= 6 consecutive weeks' stabilisation with open-label aripiprazole, patients were randomised (1 : 1) to aripiprazole or placebo. Patients completing 26 weeks treatment without relapse could continue for a further 74 weeks. Primary end-point was time to relapse for manic, mixed or depressive symptoms, defined as discontinuation due to lack of efficacy. Safety assessments included adverse event (AE) monitoring and changes in weight and lipid, glucose and prolactin levels.ResultsOf the 28 patients (aripiprazole, n = 14; placebo, n = 14) with rapid-cycling bipolar disorder, 12 (aripiprazole, n = 7; placebo, n = 5) completed the initial 26-week treatment period and three (all aripiprazole treated) completed the 100-week, double-blind period. Time to relapse was significantly longer with aripiprazole vs. placebo at week 26 [log-rank p = 0.033; 26-week hazard ratio = 0.21 (95% CI: 0.04, 1.03)] and week 100 [log-rank p = 0.017; 100-week hazard ratio = 0.18 (95% CI: 0.04, 0.88)]. The most commonly reported AEs with aripiprazole during the 100 weeks (>or= 10% incidence and twice placebo) were anxiety (n = 4), sinusitis (n = 4), depression (n = 3) and upper respiratory infection (n = 3). One aripiprazole-treated patient discontinued due to an AE (akathisia). There were no significant between-group differences in mean changes in weight or metabolic parameters.ConclusionIn this small, post hoc subanalysis, aripiprazole maintained efficacy and was generally well tolerated in the long-term treatment of rapid-cycling bipolar disorder. Further research with prospectively designed and adequately powered trials is warranted.

Project description:BackgroundDespite the growing prevalence of burn survivors, a gap persists in our understanding of the correlation between acute burn trauma and the long-term impact on psychosocial health. This study set out to investigate the prevalence of long-term pain and symptoms of anxiety and depression in survivors of extensive burns, comparing this to the general population, and identify injury and demographic-related factors predisposing individuals to psychosocial compromise.MethodsRE-ENERGIZE was an international, double-blinded, randomized-controlled trial that enrolled 1200 patients with partial- or full-thickness burns that required surgical treatment. For the post hoc analysis, we excluded participants who did not complete the Short Form Health Survey (SF-36) questionnaire. Normative data were taken from the 2021 National Health Interview Survey dataset. Propensity score matching was performed using the nearest-neighbor 1-to-1 method, and the two cohorts were compared in terms of chronic pain, and symptoms of anxiety and depression. A multivariable analysis was performed on the burns cohort to identify factors predicting post-discharge pain and symptoms of anxiety and depression.ResultsA total of 600 burn patients and 26,666 general population adults were included in this study. Following propensity score matching, both groups comprised 478 participants each, who were predominately male, white, overweight and between 20 and 60 years old. Compared to the general population, burn patients were significantly more likely to report the presence of moderate and a lot of pain (p = 0.002). Symptoms of anxiety were significantly higher in the burn population in two of four levels (most of the time; some of the time; p < 0.0001 for both). Responders in the burn population were significantly less likely to report the absence of depressive symptoms (p < 0.0001). Burn patients were also significantly more likely to report that their mental health affects their social life. TBSA, history of depression, and female sex were identified as independently associated factors for pain, anxiety, and depressive symptoms. The presence of chronic pain and anxiety symptoms independently predicted for symptoms of depression.ConclusionsAnalyzing the largest multicenter cohort of patients with extensive burns, we find that burn injury is associated with chronic pain, and symptoms of anxiety and depression. In addition, TBSA-burned and history of depression directly correlate with the prevalence of chronic pain, and symptoms of anxiety and depression. Finally, pain, and symptoms of anxiety and depression are interrelated and may have interactive effects on the process of recovery following burn injury. Burn patients would, therefore, benefit from a multidisciplinary team approach with early mobilization of pain and mental health experts, in order to promptly prevent the development of psychosocial challenges and their consequences.

Dataset Information

Metabolic syndrome in patients enrolled in a clinical trial of aripiprazole in the maintenance treatment of bipolar I disorder: a post hoc analysis of a randomized, double-blind, placebo-controlled trial.

Publications

Metabolic syndrome in patients enrolled in a clinical trial of aripiprazole in the maintenance treatment of bipolar I disorder: a post hoc analysis of a randomized, double-blind, placebo-controlled trial.

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