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Patient choice as a driver of medication-switching in non-adherent individuals with bipolar disorder.

ABSTRACT: OBJECTIVE:Psychotropic-related weight gain is a common concern among patients with bipolar disorder (BD). This concern affects satisfaction with treatment and may lead to non-adherence and relapse. This was a 12-week, uncontrolled prospective trial of patient-choice-facilitated ziprasidone switching among non-adherent BD patients with weight concerns. This study was conducted from January 2011 to July 2012. METHOD:Patients were asked to identify the "offending" BD medication which they believed was causing weight problems, and this agent was replaced with ziprasidone. The primary outcome was change in adherence as measured with the Tablets Routine Questionnaire (TRQ). Secondary outcomes included medication attitudes, BD symptoms, global psychopathology, social functioning, and quality of life. RESULTS:The most common agents causing weight concerns were quetiapine (N=7, 23%), aripiprazole (N=4, 13%), olanzapine, lithium, and divalproex (all N=3, 10%). Adherence improved from a baseline of missing 48.6% of prescribed BD medication in the past week (44.9% in the past month) to missing 25.3% (P=0.002) of prescribed BD medication in the past week (P<0.001, in the past month) at endpoint. Medication attitudes, symptoms, functioning, and quality of life improved but there were no differences in body weight. CONCLUSION:While findings must be tempered by methodological limitations such as small sample and uncontrolled design, patient-facilitated medication-switching appeared to improve adherence and BD outcomes in these non-adherent individuals. Additional studies involving patient-facilitated medication-switching and shared decision-making in BD are needed.

SUBMITTER: Sajatovic M

PROVIDER: S-EPMC4000249 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Patient choice as a driver of medication-switching in non-adherent individuals with bipolar disorder.

Sajatovic Martha M Tatsuoka Curtis C Dines Philipp P Bialko Christopher S CS Athey Melanie M Williams Tiffany T Cassidy Kristin A KA

Patient preference and adherence 20140417

<h4>Objective</h4>Psychotropic-related weight gain is a common concern among patients with bipolar disorder (BD). This concern affects satisfaction with treatment and may lead to non-adherence and relapse. This was a 12-week, uncontrolled prospective trial of patient-choice-facilitated ziprasidone switching among non-adherent BD patients with weight concerns. This study was conducted from January 2011 to July 2012.<h4>Method</h4>Patients were asked to identify the "offending" BD medication which ...[more]

PMID: 24790416

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Project description:Nonadherence in bipolar disorder (BD) ranges from 20% to 60%. Customized adherence enhancement (CAE) is a brief, BD-specific approach that targets individual adherence barriers. This prospective, 6-month, randomized controlled trial conducted from October 2012 to July 2017 compared CAE versus a rigorous BD-specific educational program (EDU) on adherence, symptoms, and functional outcomes in poorly adherent individuals. One hundred eighty-four participants with DSM-IV BD were randomized to CAE (n = 92) or EDU (n = 92). Primary outcome was adherence change measured by the Tablets Routine Questionnaire (TRQ) and BD symptoms measured by the Brief Psychiatric Rating Scale. Other outcomes were scores on the Global Assessment of Functioning, Montgomery-Asberg Depression Rating Scale, Young Mania Rating Scale, and Clinical Global Impressions Scale. Assessments were conducted at screening, baseline, 10 weeks, 14 weeks, and 6 months. The sample mean (SD) age was 47.40 (10.46) years; 68.5% were female, and 63.0% were African American. At screening, individuals missed a mean (SD) of 55.15% (28.22%) of prescribed BD drugs within the past week and 48.01% (28.46%) in the past month. Study attrition was < 20%. At 6 months, individuals in CAE had significantly improved past-week (P = .001) and past-month (P = .048) TRQ scores versus those in EDU. Past-week TRQ score improvement remained significant after adjustment for multiple comparisons. There were no treatment arm differences in BPRS scores or other symptoms, possibly related to low symptom baseline values. Baseline-to-6-month comparison showed significantly higher GAF scores (P = .036) for CAE versus EDU. Although both groups used more mental health services at 6 months compared to baseline, increase for CAE was significantly less than that for EDU (P = .046). Whereas both CAE and EDU were associated with improved outcomes, CAE had additional positive effects on adherence, functioning, and mental health resource use compared to EDU. ClinicalTrials.gov identifier: NCT00183495.

Dataset Information

Patient choice as a driver of medication-switching in non-adherent individuals with bipolar disorder.

Publications

Patient choice as a driver of medication-switching in non-adherent individuals with bipolar disorder.

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