Key result
Pharmacist interventions significantly improved final Proportion of Days Covered (PDC) scores from baseline for patients on ACEi/ARBs (72.5 to 78.0, p=0.004) and statins (73.3 to 76.6, p<0.001).
Why the study?
Medication nonadherence leads to poor health outcomes and hospitalizations, but the impact of clinical pharmacist interventions on medication adherence and PDC scores in primary care required examination.
Do clinical pharmacists' interventions improve medication adherence and PDC scores in primary care patients with baseline PDC <85%?
Observational
Yes
Do clinical pharmacists' interventions improve medication adherence and PDC scores in primary care patients with baseline PDC <85%?
Absolute Event Rate: 78% vs 72.5%
p-value: p=0.004
Pharmacist-driven interventions in primary care significantly improve medication adherence (PDC scores) for cardiovascular medications including ACEi/ARBs and statins.
Background: Medication nonadherence is the leading cause of poor health outcomes and increased risk of hospitalizations. Previous studies have shown that pharmacist interventions can help improve medication adherence and CMS quality measures. Objective: The purpose of this study was to examine the impact of clinical pharmacists’ interventions on medication adherence and PDC scores for ACEi/ARBs, statins, and noninsulin antidiabetic medications in the primary care setting. Methods: This observational study was conducted at four primary care clinics to evaluate PDC scores pre- and post-pharmacist interventions from April 2020 to December 2020. Eligible patients were Humana Part D beneficiaries with a baseline PDC score <85%. The primary outcome of this study was to evaluate the average change in final PDC scores, and 1-month change in PDC scores following a pharmacist intervention. Secondary outcomes were number and types of adherence barriers identified, interventions provided by the pharmacist, and barriers and interventions category (pharmacy, patient or physician-related). Results: A total of 89 barriers were identified and 208 interventions were completed. A statistically significant difference in the average change of final PDC score from baseline was seen among those on ACEi/ARBs (72.5 to 78.0, p = 0.004) and statins (73.3 to 76.6, p < 0.001). Similarly, a statistically significant change was observed from baseline to 1-month PDC among those on ACEi/ARBS (72.5 to 75.4, p = 0.001) and statins (73.3 to 74.9, p < 0.001). Conclusion: Pharmacists located in a primary care setting improved medication adherence and PDC score for patients on ACEIs/ARBs and statins.
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Davis et al. (2022) conducted an observational in Medication nonadherence. Clinical pharmacists' interventions vs. Baseline (pre-intervention) was evaluated on Average change in final PDC scores (p=0.004). Pharmacist interventions significantly improved final Proportion of Days Covered (PDC) scores from baseline for patients on ACEi/ARBs (72.5 to 78.0, p=0.004) and statins (73.3 to 76.6, p<0.001).
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