RedOrbit | Common Erectile Dysfunction Drug Not Helpful for Heart Failure Patients, Study ... Science Daily (press release) The RELAX study is the first multicenter trial to look at the effect of therapy with sildenafil on this condition, also known as diastolic heart failure. The study was a double-blinded, placebo-controlled, randomized trial of 216 stable outpatients ... ASTRONAUT trial finds no beneficial effects of aliskiren in recently ... ACC: Viagra Withers in Heart Failure Trial Sildenafil falls short for heart failure with preserved ejection fraction |