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The effects of antihypertensive class on gout in older adults: secondary analysis of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial.

ABSTRACT: OBJECTIVES:Gout is a common complication of blood pressure management and a frequently cited cause of medication nonadherence. Little trial evidence exists to inform antihypertensive selection with regard to gout risk. METHODS:The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) was a randomized clinical trial on the effects of first-step hypertension therapy with amlodipine, chlorthalidone, or lisinopril on fatal coronary heart disease or nonfatal myocardial infarction (1994-2002). Trial participants were linked to CMS and VA gout claims (ICD9 274.XX). We determined the effect of drug assignment on gout with Cox regression models. We also determined the adjusted association of self-reported atenolol use (ascertained at the 1-month visit for indications other than hypertension) with gout. RESULTS:Claims were linked to 23?964 participants (mean age 69.8?±?6.8 years, 45% women, 31% black). Atenolol use was reported by 928 participants at the 1-month visit. Over a mean follow-up of 4.9 years, we documented 597 gout claims. Amlodipine reduced the risk of gout by 37% (hazard ratio 0.63; 95% CI 0.51--0.78) compared with chlorthalidone and by 26% (hazard ratio 0.74; 95% CI 0.58--0.94) compared with lisinopril. Lisinopril nonsignificantly lowered gout risk compared with chlorthalidone (hazard ratio 0.85; 95% CI 0.70--1.03). Atenolol use was not associated with gout risk (adjusted hazard ratio 1.18; 95% CI 0.78--1.80). Gout risk reduction was primarily observed after 1 year of follow-up. CONCLUSION:Amlodipine lowered long-term gout risk compared with lisinopril or chlorthalidone. This finding may be useful in cases where gout risk is a principal concern among patients being treated for hypertension.This trial is registered at clinicaltrials.gov, number: NCT00000542.

SUBMITTER: Juraschek SP

PROVIDER: S-EPMC7244334 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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The effects of antihypertensive class on gout in older adults: secondary analysis of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial.

Juraschek Stephen P SP Simpson Lara M LM Davis Barry R BR Shmerling Robert H RH Beach Jennifer L JL Ishak Anthony A Mukamal Kenneth J KJ

Journal of hypertension 20200501 5

<h4>Objectives</h4>Gout is a common complication of blood pressure management and a frequently cited cause of medication nonadherence. Little trial evidence exists to inform antihypertensive selection with regard to gout risk.<h4>Methods</h4>The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) was a randomized clinical trial on the effects of first-step hypertension therapy with amlodipine, chlorthalidone, or lisinopril on fatal coronary heart disease or nonfa ...[more]

PMID: 31977576

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Project description:A randomized, double-blind, active-controlled, multicenter trial assigned 32,804 participants aged 55 years and older with hypertension and ≥ 1 other coronary heart disease risk factors to receive chlorthalidone (n=15,002), amlodipine (n=8898), or lisinopril (n=8904) for 4 to 8 years, when double-blinded therapy was discontinued. Passive surveillance continued for a total follow-up of 8 to 13 years using national administrative databases to ascertain deaths and hospitalizations. During the post-trial period, fatal outcomes and nonfatal outcomes were available for 98% and 65% of participants, respectively, due to lack of access to administrative databases for the remainder. This paper assesses whether mortality and morbidity differences persisted or new differences developed during the extended follow-up. Primary outcome was cardiovascular mortality and secondary outcomes were mortality, stroke, coronary heart disease, heart failure, cardiovascular disease, and end-stage renal disease. For the post-trial period, data are not available on medications or blood pressure levels. No significant differences (P<.05) appeared in cardiovascular mortality for amlodipine (hazard ratio [HR], 1.00; 95% confidence interval [CI], 0.93-1.06) or lisinopril (HR, 0.97; CI, 0.90-1.03), each compared with chlorthalidone. The only significant differences in secondary outcomes were for heart failure, which was higher with amlodipine (HR, 1.12; CI, 1.02-1.22), and stroke mortality, which was higher with lisinopril (HR, 1.20; CI, 1.01-1.41), each compared with chlorthalidone. Similar to the previously reported in-trial result, there was a significant treatment-by-race interaction for cardiovascular disease for lisinopril vs chlorthalidone. Black participants had higher risk than non-black participants taking lisinopril compared with chlorthalidone. After accounting for multiple comparisons, none of these results were significant. These findings suggest that neither calcium channel blockers nor angiotensin-converting enzyme inhibitors are superior to diuretics for the long-term prevention of major cardiovascular complications of hypertension.

Project description:Thiazide-type diuretics have been recommended for initial treatment of hypertension in most patients, but should this recommendation differ for patients with and without coronary heart disease (CHD)? The Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) was a randomized, double-blind hypertension treatment trial in 42,418 participants with high risk of combined cardiovascular disease (CVD) (25% with preexisting CHD). This post hoc analysis compares long-term major clinical outcomes in those assigned amlodipine (n = 9048) or lisinopril (n = 9,054) with those assigned chlorthalidone (n = 15,255), stratified by CHD status. After 4 to 8 years, randomized treatment was discontinued. Total follow-up (active treatment + passive surveillance using national databases for deaths and hospitalizations) was 8 to 13 years. For most CVD outcomes, end-stage renal disease, and total mortality, there were no differences across randomized treatment arms regardless of baseline CHD status. In-trial rates of CVD were significantly higher for lisinopril compared with chlorthalidone, and rates of heart failure were significantly higher for amlodipine compared with chlorthalidone in those with and without CHD (overall hazard ratios [HRs] 1.10, p <0.001, and 1.38, p <0.001, respectively). During extended follow-up, significant outcomes according to CHD status interactions (p = 0.012) were noted in amlodipine versus chlorthalidone comparison for CVD and CHD mortality (HR 0.88, p = 0.04, and 0.84, p = 0.04, respectively) in those with CHD at baseline (HR 1.06, p = 0.15, and 1.08, p = 0.17) and in those without. The results of the overall increased stroke mortality in lisinopril compared with chlorthalidone (HR 1.2; p = 0.03) and hospitalized heart failure in amlodipine compared with chlorthalidone (HR 1.12; p = 0.01) during extended follow-up did not differ by baseline CHD status. In conclusion, these results provide no reason to alter our previous recommendation to include a properly dosed diuretic (such as chlorthalidone 12.5 to 25 mg/day) in the initial antihypertensive regimen for most hypertensive patients.

Project description:BackgroundHeart failure (HF) developing in hypertensive patients may occur with preserved or reduced left ventricular ejection fraction (PEF [>or=50%] or REF [<50%]). In the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT), 42 418 high-risk hypertensive patients were randomized to chlorthalidone, amlodipine, lisinopril, or doxazosin, providing an opportunity to compare these treatments with regard to occurrence of hospitalized HFPEF or HFREF.Methods and resultsHF diagnostic criteria were prespecified in the ALLHAT protocol. EF estimated by contrast ventriculography, echocardiography, or radionuclide study was available in 910 of 1367 patients (66.6%) with hospitalized events meeting ALLHAT criteria. Cox regression models adjusted for baseline characteristics were used to examine treatment differences for HF (overall and by PEF and REF). HF case fatality rates were examined. Of those with EF data, 44.4% had HFPEF and 55.6% had HFREF. Chlorthalidone reduced the risk of HFPEF compared with amlodipine, lisinopril, or doxazosin; the hazard ratios were 0.69 (95% confidence interval [CI], 0.53 to 0.91; P=0.009), 0.74 (95% CI, 0.56 to 0.97; P=0.032), and 0.53 (95% CI, 0.38 to 0.73; P<0.001), respectively. Chlorthalidone reduced the risk of HFREF compared with amlodipine or doxazosin; the hazard ratios were 0.74 (95% CI, 0.59 to 0.94; P=0.013) and 0.61 (95% CI, 0.47 to 0.79; P<0.001), respectively. Chlorthalidone was similar to lisinopril with regard to incidence of HFREF (hazard ratio, 1.07; 95% CI, 0.82 to 1.40; P=0.596). After HF onset, death occurred in 29.2% of participants (chlorthalidone/amlodipine/lisinopril) with new-onset HFPEF versus 41.9% in those with HFREF (P<0.001; median follow-up, 1.74 years); and in the chlorthalidone/doxazosin comparison that was terminated early, 20.0% of HFPEF and 26.0% of HFREF patients died (P=0.185; median follow-up, 1.55 years).ConclusionsIn ALLHAT, with adjudicated outcomes, chlorthalidone significantly reduced the occurrence of new-onset hospitalized HFPEF and HFREF compared with amlodipine and doxazosin. Chlorthalidone also reduced the incidence of new-onset HFPEF compared with lisinopril. Among high-risk hypertensive men and women, HFPEF has a better prognosis than HFREF.

Dataset Information

The effects of antihypertensive class on gout in older adults: secondary analysis of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial.

Publications

The effects of antihypertensive class on gout in older adults: secondary analysis of the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial.

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