In the blood pressure studies, Irbesartan Winthrop was more effective than placebo at reducing diastolic blood pressure and had similar effects to the other medicines for hypertension.
Vererõhu uuringutes täheldati, et Irbesartan Winthrop alandab diastoolset vererõhku tunduvalt paremini kui platseebo ning tema toime on samalaadne teiste kõrgvererõhu ravimite toimega.