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Pharmacist-Led Intervention to Enhance Medication Adherence in Patients With Acute Coronary Syndrome in Vietnam: A Randomized Controlled Trial

Nguyen, T., Nguyen, T. H., Nguyen, P. T., Tran, H. T., Nguyen, N. V., Nguyen, H. Q., Ha, B. N., Pham, T. T. & Taxis, K., 21-Jun-2018, In : Frontiers in Pharmacology. 9, 9 p., 656.

Research output: Contribution to journalArticleAcademicpeer-review

  • Thang Nguyen
  • Thao H Nguyen
  • Phu T Nguyen
  • Ha T Tran
  • Ngoc V Nguyen
  • Hoa Q Nguyen
  • Ban N Ha
  • Tam T Pham
  • Katja Taxis

Background: Patient adherence to cardioprotective medications improves outcomes of acute coronary syndrome (ACS), but few adherence-enhancing interventions have been tested in low-income and middle-income countries.

Objectives: We aimed to assess whether a pharmacist-led intervention enhances medication adherence in patients with ACS and reduces mortality and hospital readmission.

Methods: We conducted a randomized controlled trial in Vietnam. Patients with ACS were recruited, randomized to the intervention or usual care prior to discharge, and followed 3 months after discharge. Intervention patients received educational and behavioral interventions by a pharmacist. Primary outcome was the proportion of adherent patients 1 month after discharge. Adherence was a combined measure of self-reported adherence (the 8-item Morisky Medication Adherence Scale) and obtaining repeat prescriptions on time. Secondary outcomes were (1) the proportion of patients adherent to medication; (2) rates of mortality and hospital readmission; and (3) change in quality of life from baseline assessed with the European Quality of Life Questionnaire - 5 Dimensions - 3 Levels at 3 months after discharge. Logistic regression was used to analyze data. Registration: ClinicalTrials.gov (NCT02787941).

Results: Overall, 166 patients (87 control, 79 intervention) were included (mean age 61.2 years, 73% male). In the analysis excluding patients from the intervention group who did not receive the intervention and excluding all patients who withdrew, were lost to follow-up, died or were readmitted to hospital, a greater proportion of patients were adherent in the intervention compared with the control at 1 month (90.0% vs. 76.5%; adjusted OR = 2.77; 95% CI, 1.01-7.62) and at 3 months after discharge (90.2% vs. 77.0%; adjusted OR = 3.68; 95% CI, 1.14-11.88). There was no significant difference in median change of EQ-5D-3L index values between intervention and control [0.000 (0.000; 0.275) vs. 0.234 (0.000; 0.379); p = 0.081]. Rates of mortality, readmission, or both were 0.8, 10.3, or 11.1%, respectively; with no significant differences between the 2 groups.

Conclusion: Pharmacist-led interventions increased patient adherence to medication regimens by over 13% in the first 3 months after ACS hospital discharge, but not quality of life, mortality and readmission. These results are promising but should be tested in other settings prior to broader dissemination.

Original languageEnglish
Article number656
Number of pages9
JournalFrontiers in Pharmacology
Volume9
Publication statusPublished - 21-Jun-2018

    Keywords

  • acute coronary syndrome, medication adherence, pharmacist-led intervention, randomized controlled trial, Vietnam, CARDIOVASCULAR MEDICATIONS, MEDICINES QUESTIONNAIRE, IMPROVE ADHERENCE, HEART-FAILURE, DISEASE, METAANALYSIS, CARE, THERAPY, MANAGEMENT, MORTALITY

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