RecruitingDrug trialCARPEUS : Effect of Carvedilol on the Portosystemic Gradient as Measured by Endoscopic UltrasoundThe purpose of this study is to assess the efficacy after one month of treatment with Carvedilol (12.5 mg daily) in primary prophylaxis of digestive haemorrhage due to portal hypertension in cirrhosis, by endoscopic ultrasound-guided portal pressure gradient measurement.