Mechanisms and Clinical Relevance of Drug-Induced Long QT Syndrome: Block of hERG, Drug Metabolism and Drug Transport in the Human Heart

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Bingham J, Almodovar A, Lee H, Benson C, Michael R, Azurin C, Taylor A

Published: 1/24/2020

Abstract

Objective: To evaluate the impact of targeted telepharmacist mental health adherence interventions for patients with type 2 diabetes.

Methods: This retrospective review involved the analysis of a telepharmacist-led mental health intervention. The subjects included: patients aged 18 years or more with type 2 diabetes, enrolled in an adherence service and who had been prescribed psychotropics. Psychotropic medication adherence was measured using the proportion of days covered (PDC) 6 months before and after the telepharmacist-led medication intervention.

Results: A total of 8167 patients (67% women), with a mean age of 63 ± 11 years, were included in the study. Most alerts for psychotropics were for selective serotonin reuptake inhibitors (SSRIs) (53%, n = 4334), selective norepinephrine reuptake inhibitors (SNRIs) (22%, n = 1775), second-generation antipsychotics (11%, n = 909), and bupropion (10%, n = 782). Alerts with the greatest volume of PDCs (above 85%) at postintervention follow up included SSRIs (51%, n = 2228), SNRIs (50%, n = 884), and second-generation antipsychotics (47%, n = 424). Before the alert, the mean PDC was 66% ± 12% across all medications studied. Post intervention, the mean PDC rose to 79% ± 19. A paired t-test revealed statistically significant improvement in adherence overall, with the greatest change observed in these alert groups: SSRIs (P < 0.001), alpha-2 antagonist (P < 0.001), SNRIs (P < 0.001), and bupropion (P < 0.001).

Conclusion: This retrospective review showed that pharmacist-led targeted, adherence interventions greatly improved psychotropic medication adherence in adult patients with type 2 diabetes. Future work is warranted to investigate the impact on type 2 diabetes medication adherence and health markers (e.g., HbA1c values) in larger and more diverse populations of patients with comorbid type 2 diabetes and a mental health condition.

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