The design of an observational study of hypertension management, adherence and pressure control in Blood Pressure Success Zone Program participants.
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AIMS: The Blood Pressure Success Zone (BPSZ) Program, a nationwide initiative, provides education in addition to a complimentary trial of one of three antihypertensive medications. The BPSZ Longitudinal Observational Study of Success (BPSZ-BLISS) aims to evaluate blood pressure (BP) control, adherence, persistence and patient satisfaction in a representative subset of BPSZ Program participants. The BPSZ-BLISS study design is described here. METHODS: A total of 20,000 physicians were invited to participate in the study. Using a call centre supported Interactive Voice Response System (IVRS), physicians report BP and other data at enrolment and every usual care visit up to 12 +/- 2 months; subjects self-report BPs, persistence, adherence and treatment satisfaction at 3, 6 and 12 months post-BPSZ Program enrolment. In addition to BPSZ Program enrolment medications, physicians prescribe antihypertensive medications and schedule visits as per usual care. The General Electric Healthcare database will be used as an external reference. RESULTS: After 18 months, over 700 IRB approved physicians consented and enrolled 10,067 eligible subjects (48% male; mean age 56 years; 27% newly diagnosed); 97% of physicians and 78% of subjects successfully entered IVRS enrolment data. Automated IVRS validations have maintained data quality (< 5% error on key variables). Enrolment was closed 30 April 2007; study completion is scheduled for June 2008. CONCLUSIONS: The evaluation of large-scale health education programmes requires innovative methodologies and data management and quality control processes. The BPSZ-BLISS design can provide insights into the conceptualisation and planning of similar studies.
Clinical Trials as Topic
Patient Education as Topic
Published Version (Please cite this version)10.1111/j.1742-1241.2008.01840.x
Publication InfoBPSZ-BLISS Study Steering Committee; Califf, Robert M; Caro, JJ; Daley, WL; Flack, J; Ishak, KJ; ... Velazquez, Eric J (2008). The design of an observational study of hypertension management, adherence and pressure control in Blood Pressure Success Zone Program participants. Int J Clin Pract, 62(9). pp. 1313-1321. 10.1111/j.1742-1241.2008.01840.x. Retrieved from http://hdl.handle.net/10161/15030.
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Donald F. Fortin, M.D. Professor of Cardiology, in the School of Medicine
Robert Califf, MD MACC, is the Donald F. Fortin, MD, Professor of Cardiology. He is also Professor of Medicine in the Division of Cardiology and remains a practicing cardiologist. Dr. Califf was the Commissioner of Food and Drugs in 2016-2017 and Deputy Commissioner for Medical Products and Tobacco from February 2015 until his appointment as Commissioner in February 2016. Prior to joining the FDA, Dr. Califf was a professor of medicine and vice chancellor for clinical and translational
Adjunct Professor in the Department of Medicine
LeadershipEric J. Velazquez, MD, is a Professor of Medicine with tenure at Duke University. As section chief for Cardiovascular Imaging in the Division of Cardiology and director of the Cardiac Diagnostic Unit and Echocardiography Laboratories for Duke University Health System, he coordinates a high-volume enterprise and an outstanding group of clinician-investigators and clinical staff who make important contributions across patient care, research and educational
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