Effect of a pharmacist-led intervention on adherence among patients with a first-time prescription for a cardiovascular medicine: a randomized controlled trial in Norwegian pharmacies.
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ABSTRACT: OBJECTIVE:To examine whether a pharmacist-led intervention improves medication adherence among patients who have filled a first-time prescription for a cardiovascular medicine. METHODS:Design: Unblinded randomized controlled trial. SETTING:67 Norwegian pharmacies, October 2014-June 2015. PARTICIPANTS:1480 adults with a first-time prescription for a cardiovascular medicine. INTERVENTION:Participants in the intervention group received two consultations with a pharmacist 1-2 and 3-5 weeks after filling the prescription. Participants in the control group received care according to usual practice. MAIN OUTCOME MEASURE:The primary outcome was self-reported adherence as measured by the 8-item Morisky Medication Adherence Scale (MMAS-8), at 7 and 18 weeks after filling the prescription. Adherence from baseline to week 52 was estimated using data from the Norwegian Prescription Database (NPD). KEY FINDINGS:Data from MMAS-8 showed that 91.3% of the patients in the intervention group were adherent after 7 weeks versus 86.8% in the control group (4.5% difference, 95% CI 0.8-8.2, P = 0.017). The corresponding proportions were 88.7% versus 83.7% after 18 weeks (5.0% difference, 95% CI 0.8-9.2, P = 0.021). NPD data (n = 1294) showed no significant difference in adherence after 52 weeks (95% CI -2.0 to 7.8, P = 0.24). However, adherence among statin users (n = 182) was 66.5% in the intervention group versus 57.4% among new statin users in the general population (n = 1500) (difference 9.1%, 95% CI 1.5-16.0, P = 0.019). CONCLUSION:The main outcome measure indicates that a short, structured pharmacist-led intervention may increase medication adherence for patients starting on chronic cardiovascular medication. However, these findings could not be confirmed by the NPD data analysis.
SUBMITTER: Hovland R
PROVIDER: S-EPMC7384053 | biostudies-literature | 2020 Aug
REPOSITORIES: biostudies-literature
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