Cardiovascular effects of tadalafil
Abstract
To determine the effects of tadalafil on the cardiovascular system, safety assessments were performed on a database of >4000 subjects who received tadalafil in >60 clinical pharmacology, phase 2, phase 3, and open-label studies. In healthy subjects, tadalafil resulted in small changes in blood pressure, which are not believed to be clinically relevant. Daily administration of tadalafil 20 mg for 26 weeks in healthy male subjects or patients with mild erectile dysfunction resulted in blood pressure changes similar to those observed after placebo administration. In patients with coronary artery disease (CAD), tadalafil administration before nitrate administration resulted in small decreases in blood pressure. The resulting mean maximal change in standing systolic blood pressure (SBP) after coadministration of sublingual nitroglycerin in patients with chronic stable angina was -36 mm Hg for tadalafil 5 mg, -31 mm Hg for tadalafil 10 mg, and -28 mm Hg for placebo. In addition, a larger number of men had a standing SBP or=55 years of age) with no overt evidence of CAD, the resulting mean maximal change in standing SBP after coadministration of sublingual nitroglycerin was -25 mm Hg for tadalafil 10 mg, -29 mm Hg for sildenafil 50 mg, and -25 mm Hg for placebo. Cardiac mortality rates in tadalafil studies are consistent with the expected rate in this male population. Across all studies, the incidence rate of myocardial infarction was low in tadalafil-treated patients (0.43 per 100…
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