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oai:repisalud.isciii.es:20.500.12105/68222025-06-11T11:12:15Zcom_20.500.12105_2052com_20.500.12105_2051com_20.500.12105_15322col_20.500.12105_19612col_20.500.12105_16980

00925njm 22002777a 4500 dc Abad-Perez, Daniel author Novella-Arribas, Blanca author Rodríguez-Salvanés, Francisco author Sanchez-Gomez, Luis Maria author García-Polo, Iluminada author Verge-González, Carmen author Suárez-Fernández, Carmen author 2013-11-14 BACKGROUND: Isolated systolic hypertension is a highly prevalent disease among the elderly. The little available evidence on the efficacy of nitrates for treating the disease is based on small experimental studies. METHODS/DESIGN: We performed a multicenter, randomized, double-blind, phase III, placebo-controlled trial in 154 patients aged over 65 years with refractory isolated systolic hypertension. Patients were randomized to placebo or 40 mg/day of extended-release isosorbide mononitrate added to standard therapy and titrated to 60 mg/day at week 6 if blood pressure exceeded 140/90 mmHg.The primary objective was to assess the effect on clinical pulse pressure of extended-release isosorbide mononitrate added to standard therapy in patients aged over 65 years with refractory isolated systolic hypertension after 3 months of treatment.The secondary objectives were as follows: to quantify the effect of adding the study drug on central blood pressure and vascular compliance using the augmentation index and pulse wave velocity; to evaluate the safety profile by recording adverse effects (frequency, type, severity) and the percentage of patients who had to withdraw from the trial because of adverse events; to quantify the percentage of patients who reach a clinical systolic blood pressure <140 mmHg or <130 mmHg measured by ambulatory blood pressure monitoring; and to quantify the change in pulse pressure measured by ambulatory blood pressure monitoring. DISCUSSION: Few clinical trials have been carried out to test the effect of oral nitrates on isolated systolic hypertension, even though these agents seem to be effective. Treatment with extended-release isosorbide mononitrate could improve control of systolic blood pressure without severe side effects, thus helping to reduce the morbidity and mortality of the disease. TRIAL REGISTRATION: EUDRACT Number: 2012-002988-10. Trials. 2013 Nov 14;14:388. 10.1186/1745-6215-14-388 1745-6215 1745-6215 Trials 24228894 http://hdl.handle.net/20.500.12105/6822 Hypertension Nitrates Older people Systolic-hypertension Effect of oral nitrates on pulse pressure and arterial elasticity in patients aged over 65 years with refractory isolated systolic hypertension: study protocol for a randomized controlled trial