Abstract:
BACKGROUND:There have been no mortality/morbidity endpoint studies with losartan in Chinese heart failure patients. The objective was to evaluate the effects of high-dose vs. low-dose losartan on clinical outcomes in Chinese subjects with heart failure. METHODS:This study was a post hoc analysis of the Heart failure Endpoint evaluation of Angiotensin II Antagonist losartan (HEAAL) trial (n = 545). Chinese adults with symptomatic heart failure (New York Heart Association (NYHA) II-IV) intolerant of treatment with angiotensin converting enzyme (ACE) inhibitors were randomized to losartan 150 mg or 50 mg daily. The primary endpoint was the composite event rate of all-cause death or hospitalization for heart failure. Safety and tolerability were assessed. RESULTS:Median follow-up was 4.8 years. Baseline characteristics were generally similar to the overall HEAAL cohort. Overall, 120 (44.1%) subjects in the losartan 150 mg group and 137 (50.2%) subjects in the losartan 50 mg group died (any cause) or were hospitalized for heart failure (hazard ratio (OR) 0.807, 95%CI 0.631 - 1.031). There were no notable differences between treatment groups in the proportion of subjects with adverse experiences. CONCLUSION:The results of this post hoc analysis in Chinese subjects, although not powered to show significance, were generally consistent with the main study results, which demonstrated a significantly reduced risk of all cause death or hospitalization for heart failure with daily losartan 150 mg vs. losartan 50 mg in subjects with symptomatic heart failure and intolerance to ACE inhibitors, supporting the use of the higher dose for optimum clinical benefit.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Hu DY,Huang J,Cai NS,Zhu WL,Li YS,Massaad R,Hanson ME,Dickstein Ksubject
Has Abstractpub_date
2012-11-01 00:00:00pages
3868-74issue
21eissn
0366-6999issn
2542-5641journal_volume
125pub_type
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