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Safety and Tolerability of Adjunctive Aripiprazole in Major Depressive Disorder: A Pooled Post Hoc Analysis (studies CN138-139 and CN138-163).

ABSTRACT: OBJECTIVE:To evaluate the safety and tolerability of aripiprazole adjunctive to standard antidepressant therapy (ADT) for patients with major depressive disorder (DSM-IV-TR criteria). METHOD:Data from 2 identical studies of aripiprazole augmentation (8 weeks of prospective ADT treatment followed by 6 weeks of randomized double-blind adjunctive treatment) were pooled. The incidence of treatment-emergent adverse events (TEAEs) and weight, electrocardiogram (ECG), and laboratory measurements were assessed during the 6-week phase, including time course, severity, resolution, and predictors. The studies were conducted from June 2004 to April 2006 and September 2004 to December 2006. RESULTS:The safety analysis included 737 outpatients (aripiprazole, n = 371; placebo, n = 366). The majority of patients completed the trials (aripiprazole, 86%; placebo, 88%). Common TEAEs (? 5% and twice the placebo rate) with aripiprazole were akathisia (25%), restlessness (12%), insomnia (8%), fatigue (8%), blurred vision (6%), and constipation (5%). Most TEAEs were of mild to moderate severity (aripiprazole, 89%; placebo, 95%). TEAE rates in the aripiprazole and placebo groups were not affected by ADT, age, or gender. Discontinuation due to TEAEs was low (aripiprazole, 3%; placebo, 1%). Mean weight change was higher with aripiprazole versus placebo (1.73 kg vs 0.38 kg, P < .001). At endpoint, clinical laboratory parameters, vital signs, and ECG indices (including QT(c) interval) were similar between groups. Akathisia with aripiprazole generally occurred in the first 3 weeks (76%), was of mild to moderate severity (92%), and led to discontinuation in 3 patients (0.8%). Within the aripiprazole group, age (18-40 years) was the only positive predictor for akathisia. CONCLUSIONS:In this short-term post hoc analysis, aripiprazole as augmentation to ADT demonstrated a safety and tolerability profile similar to that in monotherapy studies in other psychiatric populations. Controlled long-term safety and efficacy data of aripiprazole as adjunctive to ADT are warranted. TRIAL REGISTRATION:clinicaltrials.gov Identifiers: NCT00095823 (CN138-139) and NCT00095758 (CN138-163).

SUBMITTER: Nelson JC

PROVIDER: S-EPMC2805571 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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Safety and Tolerability of Adjunctive Aripiprazole in Major Depressive Disorder: A Pooled Post Hoc Analysis (studies CN138-139 and CN138-163).

Nelson J Craig JC Thase Michael E ME Trivedi Madhukar H MH Fava Maurizio M Han Jian J Van Tran Quynh Q Pikalov Andrei A Qi Ying Y Carlson Berit X BX Marcus Ronald N RN Berman Robert M RM

Primary care companion to the Journal of clinical psychiatry 20090101 6

<h4>Objective</h4>To evaluate the safety and tolerability of aripiprazole adjunctive to standard antidepressant therapy (ADT) for patients with major depressive disorder (DSM-IV-TR criteria).<h4>Method</h4>Data from 2 identical studies of aripiprazole augmentation (8 weeks of prospective ADT treatment followed by 6 weeks of randomized double-blind adjunctive treatment) were pooled. The incidence of treatment-emergent adverse events (TEAEs) and weight, electrocardiogram (ECG), and laboratory meas ...[more]

PMID: 20098527

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Project description:BACKGROUND:Patients with major depressive disorder (MDD) who fail to achieve complete remission with antidepressant therapy may benefit from augmentation therapy with an atypical antipsychotic. METHOD:A pooled analysis was performed on 2 identical 14-week studies (8-week prospective antidepressant therapy treatment phase followed by 6-week randomized double-blind phase) evaluating the efficacy of adjunctive aripiprazole (2-20 mg/day) in DSM-IV-TR-defined MDD patients with an inadequate response to antidepressant therapy. Primary efficacy endpoint was the mean change in Montgomery-Asberg Depression Rating Scale (MADRS) total score from end of the prospective phase (week 8) to end of randomized phase (week 14, last observation carried forward). Subgroup analyses were performed. The key secondary endpoint was mean change in Sheehan Disability Scale (SDS) mean score. RESULTS:At endpoint, mean change in MADRS total score was significantly greater with adjunctive aripiprazole (-8.7) than with adjunctive placebo (-5.7; p < .001). Except for a differential treatment-by-sex interaction, change in MADRS total scores were consistently greater with adjunctive aripiprazole than with adjunctive placebo, regardless of race, age, episode duration, prior antidepressant therapy response, number of historical treatment failures, severity of depressive symptoms, and antidepressant. At endpoint, MADRS remission rates were significantly greater with adjunctive aripiprazole than with placebo (25.7% vs. 15.4%; p < .001). Adjunctive aripiprazole also demonstrated significantly greater improvements in mean change from baseline in SDS total score than adjunctive placebo (-1.2 vs. -0.6; p = .001). CONCLUSION:Augmentation of antidepressant therapy with the atypical antipsychotic aripiprazole resulted in significant efficacy benefits across a range of subgroups of patients with MDD. Further study of a treatment-by-sex interaction is needed. TRIAL REGISTRATION:www.clinicaltrials.gov Identifiers: NCT00095823 and NCT00095758.

Project description:OBJECTIVE:To assess varying levels of response to aripiprazole adjunctive to standard antidepressant therapy (ADT) and the predictive value of an early response for a sustained response. METHOD:This post hoc analysis of 3 similarly designed randomized, double-blind, placebo-controlled phase 3 studies investigated the efficacy and safety of adjunctive aripiprazole to standard ADT in patients with major depressive disorder (DSM-IV-TR criteria) who had a prior inadequate response to 1-3 ADTs (CN138-139 [September 2004-December 2006], CN138-163 [June 2004-April 2006], and CN138-165 [March 2005-April 2008]). Response levels were defined as percent decreases from baseline in Montgomery-Asberg Depression Rating Scale (MADRS) total score after 6 weeks of treatment, with a ? 25% decrease for minimal, > 25 to < 50% decrease for partial, ? 50% to < 75% decrease for moderate, and ? 75% decrease for a robust response to treatment. RESULTS:More patients receiving adjunctive aripiprazole exhibited a partial (23.9% vs 17.9%, P = .017), moderate (23.1% vs 15.0%, P < .001), and robust response (14.3% vs 7.4%, P < .001) compared with adjunctive placebo. Adjunctive aripiprazole treatment compared with adjunctive placebo treatment was associated with a significantly greater proportion of patients achieving an early response (week 2, ? 50% reduction in MADRS total score, n = 110/539 vs n = 47/525, P < .001, number needed to treat = 9) and an endpoint response (relative risk = 1.7, 95% CI = 1.4-2.0, P < .001, number needed to treat = 7). A univariate logistic regression analysis revealed that an early response was a significant predictor of endpoint remission (P < .001). CONCLUSIONS:Aripiprazole augmentation was associated with a significantly greater proportion of patients achieving a partial, moderate, or robust response to treatment compared with ADT alone. Patients showing an early response (week 2) to augmentation maintained their response through endpoint, suggesting that clinicians may make clinically meaningful decisions early during treatment. TRIAL REGISTRATION:ClinicalTrials.gov identifiers: NCT00095823, NCT00095758, and NCT00105196.

Project description:ObjectiveEpisodes of major depressive disorder (MDD) characterized by high levels of anxiety symptoms are less likely to respond to some forms of antidepressant treatment (ADT). This report examines the effects of adjunctive brexpiprazole on depressive symptoms among patients with MDD and anxiety symptoms.Materials and methodsThis was a post hoc analysis of 1,171 patients from the 6-week, randomized, double-blind phases of three studies in adults with MDD and inadequate response to ADTs (NCT01360645, NCT01360632, NCT02196506). Data were pooled for brexpiprazole 2-3 mg/day and for placebo (adjunct to ADT). Montgomery-Åsberg Depression Rating Scale Total score changes were assessed in subgroups of patients with and without anxious distress (based on proxies for the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition criteria) and anxious depression (defined as a Hamilton Depression Rating Scale Anxiety/somatization factor score of ?7). Safety was assessed by the incidence of treatment-emergent adverse events (TEAEs).ResultsBenefits were seen for adjunctive brexpiprazole (compared with adjunctive placebo) in both anxiety definition subgroups. For patients with anxious distress, the least squares mean difference (95% CI) at week 6 was -3.00 (-4.29, -1.71; P<0.0001) and, for those without anxious distress, was -1.38 (-2.71, -0.05; P=0.043). For patients with anxious depression, the difference was -2.19 (-3.60, -0.78; P=0.0023), compared with -2.34 (-3.58, -1.10; P=0.0002) for those without anxious depression. The most common TEAEs among patients with anxiety symptoms receiving ADT + brexpiprazole were akathisia, headache, restlessness, somnolence, and weight increase. There were no clinically meaningful differences in the rates of these TEAEs according to the presence or absence of anxiety symptoms.ConclusionAdjunctive brexpiprazole 2-3 mg/day may be efficacious in reducing depressive symptoms, and was well tolerated, in patients with clinically relevant anxiety symptoms.

Project description:To investigate the specific effect of adjunctive aripiprazole on sexual function in patients with major depressive disorder and a history of an inadequate response to antidepressant medication by controlling for improvement in depressive symptoms as measured by improvement in Montgomery-Asberg Depression Rating Scale (MADRS) total scores. For this post hoc analysis, data were pooled from 3 multicenter, randomized, double-blind, placebo-controlled aripiprazole augmentation studies (CN138-139: June 2004-April 2006; CN138-163: September 2004-December 2006; and CN138-165: March 2005-April 2008). Outpatients who met DSM-IV-TR criteria for a major depressive episode that had lasted ≥8 weeks with an inadequate response to prospective antidepressant treatment were randomized to adjunctive aripiprazole or placebo for 6 weeks. Sexual functioning was assessed using the Massachusetts General Hospital Sexual Functioning Inventory (MGH-SFI). To assess whether adjunctive aripiprazole improves sexual functioning directly, rather than as an indirect effect of improvement in depression symptoms, the mean change in MGH-SFI item scores and overall improvement scores was assessed using analysis of covariance, with double-blind baseline and change in MADRS total score as covariates. Correlations between MGH-SFI items and MADRS total score and prolactin levels were also assessed. The analysis included 1,092 subjects (n=737 female and n=355 male). In the total population, adjunctive aripiprazole demonstrated statistically significant greater improvements versus placebo on the MGH-SFI item "interest in sex" (-0.34 vs -0.18, P<.05). In males, no significant treatment differences were observed. In females, improvements in sexual functioning with adjunctive aripiprazole versus placebo were found on the MGH-SFI items "interest in sex" (-0.41 vs -0.21, P<.05) and "sexual satisfaction" (-0.44 vs -0.25, P<.05). Aripiprazole adjunctive to antidepressant treatment can have some beneficial effects on sexual functioning in patients with major depressive disorder who respond inadequately to standard antidepressant treatment; the benefits in women were specific to sexual interest and satisfaction and were independent of the improvement in depressive symptoms. clinicaltrials.gov Identifiers: NCT00095823, NCT00095758, and NCT00105196.

Project description:BackgroundThough often overlooked, calming patients and increasing their life engagement are key factors in the treatment of major depressive disorder (MDD). This study aimed to test the hypothesis that adjunctive brexpiprazole increases calmness and life engagement among patients with MDD, based on clinical trial exit interviews.MethodsThis was a pooled analysis of exit interview data from three exploratory, open-label studies of adjunctive brexpiprazole 1-3 mg/day. The studies enrolled 105 outpatients with MDD (DSM-IV-TR criteria), a current depressive episode, and inadequate response to antidepressant treatment during the current episode. Patients were interviewed if they completed the end-of-treatment visit (Week 6 or Week 12, depending on the study). Exit interviews took the form of semi-structured telephone interviews in which patients were asked mostly qualitative questions about their symptoms prior to the start of the study, and about improvements they had noted during treatment. Interview transcripts were reviewed and codes were assigned to calmness and life engagement vocabulary, allowing aggregation of the frequency of improvement in various domains.Results79.8% (83/104) of patients described improvements consistent with at least one calmness term, most commonly feeling less anxious (46.2%) or less irritable (44.2%). A four-domain concept of patient life engagement was developed in which 88.6% (93/105) of patients described improvements consistent with at least one domain, specifically, emotional (77.1%), physical (75.2%), social (41.9%), and/or cognitive (36.2%). Of the patients who described improvement in calmness, 96.4% (80/83) also described improvement in life engagement.ConclusionsAnalysis of exit interview data suggests that patients were calmer and more engaged with life following treatment with adjunctive brexpiprazole. Thus, adjunctive brexpiprazole may provide a benefit on subjective patient outcomes in addition to the improvement in depressive symptoms shown by clinical rating scale data.Trial registrationData used in this post hoc analysis came from ClinicalTrials.gov identifiers: NCT02012218, NCT02013531, NCT02013609.

Dataset Information

Safety and Tolerability of Adjunctive Aripiprazole in Major Depressive Disorder: A Pooled Post Hoc Analysis (studies CN138-139 and CN138-163).

Publications

Safety and Tolerability of Adjunctive Aripiprazole in Major Depressive Disorder: A Pooled Post Hoc Analysis (studies CN138-139 and CN138-163).

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