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Reductions from week 4 during the open‐label extension period. All changes are significantly greater than week 4 values. Note that if blood pressure (BP) control (<140/90 mm Hg) was reached, patients were discontinued from the trial at that point. 160/25, valsartan‐HCTZ; 320/25, valsartan‐HCTZ; 320/25 + 5 mg, valsartan‐HCTZ + amlodipine; 320/25 + 10 mg, valsartan‐HCTZ + amlodipine
