Real-world effectiveness of amlodipine/valsartan and amlodipine/valsartan/hydrochlorothiazide in high-risk patients and other subgroups
Authors Assaad-Khalil SH, Najem R, Sison J, Kitchlew AR, Cho B, Ueng K, DiTommaso S, Shete A
Received 29 October 2014
Accepted for publication 21 November 2014
Published 21 January 2015 Volume 2015:11 Pages 71—78
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 3
Editor who approved publication: Dr Daniel A. Duprez
Samir Helmy Assaad-Khalil,1 Robert Najem,2 Jorge Sison,3 Asad Riaz Kitchlew,4 Belong Cho,5 Kwo-Chang Ueng,6 Shelley DiTommaso,7 Abhijit Shete7
1Department of Diabetology, Lipidology and Metabolism, Alexandria Faculty of Medicine, Alexandria University, Alexandria, Egypt; 2Lebanese University Hospital, Beirut, Lebanon; 3Medical Center Manila, Manila, Philippines; 4Pakistan Institute of Medical Sciences, Islamabad, Pakistan; 5Seoul National University College of Medicine, Seoul, South Korea; 6Chung Shan Medical University Hospital, Taichung City, Taiwan; 7Novartis Pharma AG, Basel, Switzerland
Background: The clinical EXCITE (EXperienCe of amlodIpine and valsarTan in hypErtension) study reported clinically relevant blood pressure (BP) reductions across all doses of amlodipine/valsartan (Aml/Val) and Aml/Val/hydrochlorothiazide (HCT) single-pill combinations. The study prospectively observed a multiethnic population of hypertensive patients for 26 weeks who were treated according to routine clinical practice. Here, we present the results in high-risk subgroups including the elderly, obese patients, and patients with diabetes or isolated systolic hypertension. In addition, we present a post hoc analysis as per prior antihypertensive monotherapy and dual therapy.
Methods: Patients prescribed Aml/Val or Aml/Val/HCT were assessed in this 26±8 week, noninterventional, multicenter study across 13 countries in the Middle East and Asia. Changes in mean sitting systolic BP, mean sitting diastolic BP, and overall safety were assessed.
Results: Of a total of 9,794 patients analyzed, 8,603 and 1,191 patients were prescribed Aml/Val and Aml/Val/HCT, respectively. Among these, 15.5% were elderly, 32.5% were obese, 31.3% had diabetes, and 9.8% had isolated systolic hypertension. Both Aml/Val and Aml/Val/HCT single-pill combinations, respectively, were associated with clinically relevant and significant mean sitting systolic/diastolic BP reductions across all subgroups: elderly patients (−32.2/−14.3 mmHg and −38.5/−16.5 mmHg), obese patients (−32.2/−17.9 mmHg and −38.5/−18.4 mmHg), diabetic patients (−30.3/−16.1 mmHg and −34.4/−16.6 mmHg), and patients with isolated systolic hypertension (−25.5/−4.1 mmHg and −30.2/−5.9 mmHg). Incremental BP reductions with Aml/Val or Aml/Val/HCT single-pill combinations were also observed in patients receiving prior monotherapy or dual therapy for hypertension. Overall, both Aml/Val and Aml/Val/HCT were generally well tolerated.
Conclusion: This large, multiethnic study supports the evidence that Aml/Val and Aml/Val/HCT single-pill combinations are effective in diverse and clinically important subgroups of patients with hypertension.
Keywords: amlodipine, hydrochlorothiazide, single-pill combinations, real world, valsartan
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