Overview Study of the Efficacy of Losartan on Aortic Dilatation in Patients With Marfan Syndrome Status: Terminated Trial end date: 2014-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate if losartan limits aortic dilatation in patients with Marfan syndrome. Phase: Phase 3 Details Lead Sponsor: Assistance Publique - Hôpitaux de ParisTreatments: Angiotensin II Type 1 Receptor BlockersLosartan