Journal article

The Impact of Medicare Part D on Medication Treatment of Hypertension

Yuting Zhang, Julie M Donohue, Judith R Lave, Walid F Gellad

HEALTH SERVICES RESEARCH | WILEY | Published : 2011

Abstract

OBJECTIVE: To evaluate Medicare Part D's impact on use of antihypertensive medications among seniors with hypertension. DATA SOURCES: Medicare-Advantage plan pharmacy data from January 1, 2004 to December 12, 2007 from three groups who before enrolling in Part D had no or limited drug benefits, and a comparison group with stable employer-based coverage. STUDY DESIGN: Pre-post intervention with a comparison group design was used to study likelihood of use, daily counts, and substitutions between angiotensin-converting enzyme inhibitors and angiotensin-II receptor blockers (ARBs). PRINCIPAL FINDINGS: Antihypertensive use increased most among those without prior drug coverage: likelihood of use..

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Grants

Awarded by National Center for Research Resources, National Institutes of Health, NIH Roadmap for Medical Research


Awarded by NIMH


Awarded by AHRQ


Awarded by AGENCY FOR HEALTHCARE RESEARCH AND QUALITY


Awarded by NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES


Awarded by NATIONAL CENTER FOR RESEARCH RESOURCES


Awarded by NATIONAL INSTITUTE OF MENTAL HEALTH


Funding Acknowledgements

This publication was supported by the National Center for Research Resources, National Institutes of Health, NIH Roadmap for Medical Research (grant no. KL2-RR024154-01), and the University of Pittsburgh's Graduate School of Public Health Computational and Systems Models in Public Health Pilot Program.During the study period, Dr. Zhang was also supported by NIMH RC1MH088510 and AHRQ R01HS018657.