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Blood pressure normalization in a large population of hypertensive patients treated with perindopril/indapamide combination: results of the OPTIMAX trial

Authors Jean-Jacques Mourad, Viet Nguyen, Marilucy Lopez-Sublet, Bernard Waeber

Published 15 March 2007 Volume 2007:3(1) Pages 173—180

Jean-Jacques Mourad1, Viet Nguyen1, Marilucy Lopez-Sublet1, Bernard Waeber2

1Dept Internal Medicine and Hypertension Unit, Avicenne hospital-APHP and Paris 13 University, Bobigny, France; 2Bernard Waeber, Division de Physiopathologie Clinique, Lausanne, Switzerland

Objective: To determine if the fixed-dose perindopril/indapamide combination (Per/Ind) normalizes blood pressure (BP) in the same fraction of hypertensive patients when treated in everyday practice or in controlled trials.

Methods: In this prospective trial, 17 938 hypertensive patients were treated with Per 2 mg/Ind 0.625 mg for 3–6 months. In Group 1 Per/Ind was initiated in newly diagnosed patients (n = 7032); in Group 2 Per/Ind replaced previous therapy in patients already treated but having either their BP still uncontrolled or experiencing side-effects (n = 7423); in Group 3 Per/Ind was added to previous treatment in patients with persistently high BP (n = 3483). BP was considered normalized when ≤ 140/90 mm Hg. A multivariate analysis for predictors of BP normalization was performed.

Results: Subjects were on average 62 years old and had a baseline BP of 162.3/93.6 mm Hg. After treatment with Per/Ind, BP normalization was reached in 69.6% of patients in the Initiation group, 67.5% in the Replacement Group, and 67.4% in the Add-on Group (where patients were more frequently at risk, diabetic, or with target organ damage). Mean decreases in systolic BP of 22.8 mm Hg and in diastolic BP of 12.4 mm Hg were recorded.

Conclusions: This trial was established to reflect everyday clinical practice, and a treatment strategy based on the Per/Ind combination, administered as initial, replacement, or add-on therapy, led to normalization rates that were superior to those observed in Europe in routine practice. These results support recent hypertension guidelines which encourage the use of combination therapy in the management of arterial hypertension.

Keywords: perindopril, indapamide, blood pressure normalization, risk factors, combination therapy.