Key result
ACE inhibitors and calcium antagonists linked to higher compliance than beta-blockers and diuretics.
Why the study?
Do compliance rates and associated health care costs differ among hypertensive patients taking different classes of antihypertensive drugs?
Observational
Do compliance rates and associated health care costs differ among hypertensive patients taking different classes of antihypertensive drugs?
ACE inhibitors and calcium antagonists are associated with higher compliance rates than beta-blockers and diuretics, and poor compliance leads to higher healthcare costs.
Answers are grounded in this paper and cite their sources.
Supports adherence considerations in antihypertensive selection; leaves open whether class effects are causal or generalizable beyond claims data.
Health care decision-makers require more information on differences in compliance rates associated with alternative classes of antihypertensive drugs and the implications of these differences for health care utilization and costs. We examined medical claims data from the Pennsylvania Medicaid Management Information System to investigate compliance rates for four major antihypertensive drug classes (angiotensin-converting enzyme [ACE] inhibitors, beta-blockers, calcium antagonists, and diuretics) and the health care costs associated with noncompliance. Multivariate analysis was used to relate antihypertensive drug class with compliance and variations in compliance with health care costs. The highest estimated rates of compliance were associated with ACE inhibitors and calcium antagonists, and these rates were significantly greater than with beta-blockers and diuretics. Moreover, poor compliance was associated with higher health care costs. Efforts to increase compliance with antihypertensive drug therapy are needed to improve patient outcomes and reduce health care costs.
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Rizzo et al. (1997) conducted an observational in Hypertension. Antihypertensive drug classes (ACE inhibitors, beta-blockers, calcium antagonists, diuretics) vs. Comparison among drug classes was evaluated on Compliance rates and health care costs. ACE inhibitors and calcium antagonists were associated with significantly higher compliance rates than beta-blockers and diuretics, and poor compliance correlated with higher health care costs.
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