I det pivotale placebo- kontrollerede studie af Revatio ved pulmonal arteriel hypertension blev i alt 207 patienter behandlet med Revatio i daglige doser fra 20- 80 mg 3 gange dagligt, og 70 patienter blev behandlet med placebo.
In the pivotal placebo-controlled study of Revatio in pulmonary arterial hypertension, a total of 207 patients were treated with Revatio at daily doses ranging from 20 mg to 80 mg three times a day and 70 patients were treated with placebo.