RCT of Carvedilol Versus Variceal Band Ligation in the Primary Prophylaxis of Oesophageal Variceal Haemorrhage

2014-07-23 21:10:24 | BioPortfolio


Aim To compare Carvedilol with variceal band ligation in the prevention of first variceal bleed.

End points of trial Primary: Variceal hemorrhage Secondary: Death

Study design

Randomised controlled clinical trial. Results analysed for the above end points on an intention-to-treat basis.


Patients from the Gastroenterology section of the Aga Khan University, Karachi, with liver cirrhosis and on endoscopy having grade II, or larger oesophageal varices and who have not bled previously from varices.

Method All suitable patients will be recruited after informed consent is given. Randomisation of treatment is by sealed envelopes prepared in batches of 20.

Carvedilol This will be administered as a once daily dose of 12.5mg.

Variceal band ligation Endoscopy will be performed ever two weeks until eradication of oesophageal varices. Eradication is achieved when no varices or only grade I varices (varices which are small and flatten on air insufflations in the oesophagus) are present. Subsequent endoscopy sessions will be progressively less frequent, at intervals of 3 months, 6 months and 12 months thereafter. Should varices recur, the protocol for eradication as described above will be re-instituted.

Follow-up This will take place in a dedicated clinic. First visit is six weeks after initiation of treatment and three monthly thereafter. Clinical and laboratory parameters will be obtained at each visit. All patients with alcoholic liver disease will be asked to provide an up-to-date status on drinking. Treatment will cease upon reaching any of these end-points: variceal haemorrhage, death or liver transplantation. Duration of follow-up is defined as time from randomisation to the above end points or to the last follow-up date available.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Portal Hypertension


Carvedilol, Esophageal variceal band ligation


Aga Khan University Hospital




Aga Khan University

Results (where available)

View Results


Published on BioPortfolio: 2014-07-23T21:10:24-0400

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Medical and Biotech [MESH] Definitions

Dilated blood vessels in the ESOPHAGUS or GASTRIC FUNDUS that shunt blood from the portal circulation (PORTAL SYSTEM) to the systemic venous circulation. Often they are observed in individuals with portal hypertension (HYPERTENSION, PORTAL).

Surgical venous shunt between the portal and systemic circulation to effect decompression of the portal circulation. It is performed primarily in the treatment of bleeding esophageal varices resulting from portal hypertension. Types of shunt include portacaval, splenorenal, mesocaval, splenocaval, left gastric-caval (coronary-caval), portarenal, umbilicorenal, and umbilicocaval.

Abnormal increase of resistance to blood flow within the hepatic PORTAL SYSTEM, frequently seen in LIVER CIRRHOSIS and conditions with obstruction of the PORTAL VEIN.

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A syndrome characterized by the clinical triad of advanced chronic liver disease, pulmonary vascular dilatations, and reduced arterial oxygenation (HYPOXEMIA) in the absence of intrinsic cardiopulmonary disease. This syndrome is common in the patients with LIVER CIRRHOSIS or portal hypertension (HYPERTENSION, PORTAL).

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