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Rescue pharmacotherapy with duloxetine for selective serotonin reuptake inhibitor nonresponders in late-life depression: outcome and tolerability.

ABSTRACT: BACKGROUND:Up to 50% of depressed older adults either do not adequately respond to or are unable to tolerate treatment with a serotonin-specific reuptake inhibitor. On the basis of previous experience with serotonin-norepinephrine reuptake inhibitors, we predicted at least a 50% response rate to open-label treatment with duloxetine in subjects who were resistant to treatment with the selective serotonin reuptake inhibitor (SSRI) escitalopram. METHOD:Community-dwelling subjects aged 65 years or older with current nonpsychotic major depressive disorder as established by the Structured Clinical Interview for DSM-IV received escitalopram under protocolized conditions between April 2004 and September 2006. Subjects who failed to meet response criteria or relapsed after achieving an initial response were subsequently switched to open treatment with duloxetine up to 120 mg/day. Side effects were assessed at every visit. RESULTS:Subjects (N = 40) switched to duloxetine had a mean (SD) age of 74.4 (7.0) years and a baseline (before escitalopram) 17-item Hamilton Rating Scale for Depression (HAM-D-17) score of 20.0 (3.5) and were predominantly female (65.0%) and white (82.5%). The mean (SD) maximum dose of duloxetine was 93.0 (27.8) mg/day. Subjects received this maximum dose for a median duration of 6.9 weeks. Fifty percent of subjects (N = 20) met criteria for full response, 17.5% (N = 7) were partial responders, and 32.5% (N = 13) did not respond. The median time to response was 12.0 weeks (95% CI = 8.4 to 14.6). Five of the subjects (12.5%) discontinued duloxetine because of intolerable side effects. DISCUSSION:These open-label data suggest that duloxetine at doses up to 120 mg/day is a well-tolerated and potentially effective treatment for older adults who fail to respond to an adequate trial of an SSRI. These results are preliminary, and future controlled studies are required to test the efficacy of rescue pharmaco-therapy with duloxetine. TRIAL REGISTRATION:clinicaltrials.gov Identifier: NCT00177671.

SUBMITTER: Karp JF

PROVIDER: S-EPMC2846083 | biostudies-literature | 2008 Mar

REPOSITORIES: biostudies-literature

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Rescue pharmacotherapy with duloxetine for selective serotonin reuptake inhibitor nonresponders in late-life depression: outcome and tolerability.

Karp Jordan F JF Whyte Ellen M EM Lenze Eric J EJ Dew Mary A MA Begley Amy A Miller Mark D MD Reynolds Charles F CF

The Journal of clinical psychiatry 20080301 3

<h4>Background</h4>Up to 50% of depressed older adults either do not adequately respond to or are unable to tolerate treatment with a serotonin-specific reuptake inhibitor. On the basis of previous experience with serotonin-norepinephrine reuptake inhibitors, we predicted at least a 50% response rate to open-label treatment with duloxetine in subjects who were resistant to treatment with the selective serotonin reuptake inhibitor (SSRI) escitalopram.<h4>Method</h4>Community-dwelling subjects age ...[more]

PMID: 18251622

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Project description:Background and Purpose- Selective serotonin reuptake inhibitors (SSRIs) have a well-established association with bleeding complications and conflicting reports on outcome after stroke. We sought to evaluate whether pre-intracerebral hemorrhage (ICH) SSRI use increased ICH risk and post-ICH SSRI use improved ICH outcome. Methods- Through post hoc analysis of the ERICH study (Ethnic/Racial Variations of Intracerebral Hemorrhage), SSRI use was categorized into no use, pre-ICH only, pre- and post-ICH use (termed "continuous"), and post-ICH only (termed "new"). Using multivariable modeling, associations were sought between pre-ICH SSRI use and ICH risk in the case-control set, and associations between post-ICH SSRI use and 3-month outcome were analyzed in the ICH case set. Exploratory analyses sought to assess influence of race/ethnicity in models. Results- The final study cohort consisted of 2287 ICH cases and 2895 controls. Pre-ICH SSRI use was not associated with ICH risk (odds ratio, 0.824 [95% CI, 0.632-1.074]) nor potentiation of ICH risk with anticoagulant or antiplatelet use. New post-ICH SSRI use was associated with unfavorable modified Rankin Scale score at 3 months after ICH (odds ratio, 1.673 [95% CI, 1.162-2.408]; P=0.006) in multivariable analyses. Additional propensity score analysis indicated a similar trend but did not reach statistical significance (P=0.107). When stratified by race/ethnicity, multivariable modeling demonstrated reduced ICH risk with pre-ICH SSRI use in Hispanics (odds ratio, 0.513 [95% CI, 0.301-0.875]; P=0.014), but not non-Hispanic whites or blacks, and no associations between post-ICH SSRI use and 3-month outcome in any racial/ethnic group. Conclusions- In a large multiethnic cohort, pre-ICH SSRI use was not associated with increased ICH risk, but post-ICH SSRI use was associated with unfavorable 3-month neurological outcome after ICH. Registration- URL: https://www.clinicaltrials.gov; Unique identifier: NCT01202864.

Project description:ObjectiveTo compare the efficacy and tolerability of tricyclic antidepressants with selective serotonin reuptake inhibitors in depression in primary care.DesignSystematic review and meta-analysis of randomised controlled trials.Data sourcesRegister of the Cochrane Collaboration's depression, anxiety, and neurosis group. Reference lists of initial studies and other relevant review papers. Selected authors and experts.Selection of studiesStudies had to meet minimum requirements on: adequacy of sample size, adequate allocation concealment, clear description of treatment, representative source of subjects, use of diagnostic criteria or clear specification of inclusion criteria, details regarding number and reasons for withdrawal by group, and outcome measures described clearly or use of validated instruments.Main outcome measuresStandardised mean difference of final mean depression scores and relative risk of response when using the clinical global impression score. Relative risk of withdrawing from treatment at any time, and the number withdrawing due to side effects.Results11 studies (2951 participants) compared a selective serotonin reuptake inhibitor with a tricyclic antidepressant. Efficacy between selective serotonin reuptake inhibitors and tricyclics did not differ significantly (standardised weighted mean difference, fixed effects 0.07, 95% confidence interval -0.02 to 0.15; z=1.59, P<0.11). Significantly more patients receiving a tricyclic withdrew from treatment (relative risk 0.78, 95% confidence interval 0.68 to 0.90; z=3.37, P<0.0007) and withdrew specifically because of side effects (0.73, 0.60 to 0.88; z=3.24, P<0.001). Most studies included were small and supported by commercial funding. Many studies were of low methodological quality or did not present adequate data for analysis, or both, and were of short duration, typically six to eight weeks.ConclusionThe evidence on the relative efficacy of selective serotonin reuptake inhibitors and tricyclic antidepressants in primary care is sparse and of variable quality. The study setting is likely to be an important factor in assessing the efficacy and tolerability of treatment with antidepressant drugs.

Project description:BackgroundTreatment-resistant major depression is common and potentially life-threatening in elderly people, in whom little is known about the benefits and risks of augmentation pharmacotherapy. We aimed to assess whether aripiprazole is associated with a higher probability of remission than is placebo.MethodsWe did a randomised, double-blind, placebo-controlled trial at three centres in the USA and Canada to test the efficacy and safety of aripiprazole augmentation for adults aged older than 60 years with treatment-resistant depression (Montgomery Asberg Depression Rating Scale [MADRS] score of ≥15). Patients who did not achieve remission during a pre-trial with venlafaxine extended-release (150-300 mg/day) were randomly assigned (1:1) to the addition of aripiprazole (target dose 10 mg [maximum 15 mg] daily) daily or placebo for 12 weeks. The computer-generated randomisation was done in blocks and stratified by site. Only the database administrator and research pharmacists had knowledge of treatment assignment. The primary endpoint was remission, defined as an MADRS score of 10 or less (and at least 2 points below the score at the start of the randomised phase) at both of the final two consecutive visits, analysed by intention to treat. This trial is registered with ClinicalTrials.gov, number NCT00892047.FindingsFrom July 20, 2009, to Dec 30, 2013, we recruited 468 eligible participants, 181 (39%) of whom did not remit and were randomly assigned to aripiprazole (n=91) or placebo (n=90). A greater proportion of participants in the aripiprazole group achieved remission than did those in the placebo group (40 [44%] vs 26 [29%] participants; odds ratio [OR] 2·0 [95% CI 1·1-3·7], p=0·03; number needed to treat [NNT] 6·6 [95% CI 3·5-81·8]). Akathisia was the most common adverse effect of aripiprazole (reported in 24 [26%] of 91 participants on aripiprazole vs 11 [12%] of 90 on placebo). Compared with placebo, aripiprazole was also associated with more Parkinsonism (15 [17%] of 86 vs two [2%] of 81 participants), but not with treatment-emergent suicidal ideation (13 [21%] of 61 vs 19 [29%] of 65 participants) or other measured safety variables.InterpretationIn adults aged 60 years or older who do not achieve remission from depression with a first-line antidepressant, the addition of aripiprazole is effective in achieving and sustaining remission. Tolerability concerns include the potential for akathisia and Parkinsonism.FundingNational Institute of Mental Health, UPMC Endowment in Geriatric Psychiatry, Taylor Family Institute for Innovative Psychiatric Research, National Center for Advancing Translational Sciences, and the Campbell Family Mental Health Research Institute.

Dataset Information

Rescue pharmacotherapy with duloxetine for selective serotonin reuptake inhibitor nonresponders in late-life depression: outcome and tolerability.

Publications

Rescue pharmacotherapy with duloxetine for selective serotonin reuptake inhibitor nonresponders in late-life depression: outcome and tolerability.

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