Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack

Major outcomes in high-risk hypertensive patients randomized to angiotensin-converting enzyme inhibitor or calcium channel blocker vs. diuretic The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT). JAMA 2002 288(23) =2981-2997. 

Major cardiovascular events in hypertensive patients randomized to doxazosin vs chlorthalidone the antihypertensive and lipid-lowering treatment to prevent heart attack trial (ALLHAT). ALLHAT Collaborative Research Group. )AMA 2000 283 1967-1975. 

In high-risk individuals and groups people with clinical evidence of macrovascular disease other than CHD, the Heart Protection Study (HPS) (II) with diabetes, the HPS and Collaborative Atorvastatin Diabetes Study (CARDS) (12) the elderly, Prospective Study of Pravastatin in the Elderly at Risk (PROSPER) (13) or with hypertension, Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) (14) and Anglo-Scandinavian Cardiac Outcomes Trial (ASCOT) (15). 

In the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT), over 40 000 participants aged 55 years or older with hypertension and at least one other risk factor for coronary heart disease were randomized to chlortalidone, amlodipine, doxazosin, or lisinopril (1,2). Doxazosin was discontinued prematurely because chlortalidone was clearly superior in preventing cardiovascular events, particularly heart failure (2). Otherwise, mean follow-up was 4.9 years. There were no differences between chlortalidone, amlodipine, and lisinopril in the primary combined outcome or allcause mortality. Compared with chlortalidone, heart failure was more common with amlodipine and lisinopril, and chlortalidone was better than lisinopril at preventing stroke. 

Davis BR, Cutler JA, Furberg CD, et al. Relationship of antihypertensive treatment regimens and change in blood pressure to risk for heart failure in hypertensive patients randomly assigned to doxazosin or chlorthalidone further analyses from the Antihypertensive and Lipid-Lowering treatment to prevent Heart Attack Trial. Ann Intern Med 2002 137 313-320. 

The results of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) was the deciding evidence that the JNC7 used to justify thiazide diuretics as first-line therapy." It was designed to test the hypothesis that newer antihypertensive agents (an a-blocker, ACE inhibitor, and dihydropyridine CCB) would be superior to thiazide diuretic therapy. The primary objective was to compare the combined end point of fatal coronary heart disease and nonfatal myocardial infarction. Other hypertension-related complications (e.g., heart failure and stroke) were evaluated as secondary end points. This was the largest hypertension trial ever conducted and included 42,418 patients aged 55 years and older with hypertension and one additional cardiovascular risk factor. This prospective, double-blind trial randomized patients to chlorthalidone (a thiazide diuretic), amlodipine (dihydropyridine CCB), doxazosin (a-blocker), or lisinopril (ACE inhibitor) for a mean follow-up of 4.9 years. 

AECAPS/TexCAPS = Air ForceAexas Coronary Atherosclerosis Prevention Study (Downs et ah, 1998) Helsinki = The Helsinki Heart Study (Frick et al., 1 987) LRC-CPPT = The Lipid Research Clinics Coronary Primary Prevention Trial (insull et al., 1984) Oslo = The Oslo Study (Hjermann et ah, 1988) WOSCOPS = The West of Scotland Coronary Prevention Study (Shepherd et al., 1995) ALLHAT = Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial approximately 13-15% of patients had a history of coronary heart disease (CHD) events are CHD events only WHI = Women s Health initiative RRR = relative risk reduction ARR = absolute risk reduction NNT = number needed to treat NA = not available CEE = conjugated equine estrogen MPA = medroxyprogesterone acetate CARDS = Collaborative Atorvastatin Diabetes Study (presented at the 2004 American Diabetes Association meeting). 

ALLHAT-LLT Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial ALT Alanine aminotransferase apoJ apolipoprotein J ARR Absolute risk reduction ATP III Adult Treatment Panel III AVERT Atrovastatin Versus Revascularization Treatments BAR Bile acid resin bid Twice daily... 

Rahman, M, Pressel, S, Davis, BR, Nwachuku, C, Wright, JT, Jr., Whelton, PK, Barzilay, J, Batuman, V Eckfeldt, JH, Farber, M, Henriquez, M, Kopyt, N, Louis, GT, Saklayen, M, Stanford, C, Walworth, C, Ward, H, Wiegmann, T Renal outcomes in high-risk hypertensive patients treated with an angiotensinconverting enzyme inhibitor or a calcium channel blocker vs a diuretic a report from the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT). Arch. Intern. Med. 165 936-946, 2005. 

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