Beta-blockers or Placebo for Primary Prophylaxis (BOPPP) of Oesophageal Varices Trial.

Carvedilol, sold under the brand name Coreg among others, is a medication used to treat high blood pressure, congestive heart failure, and left ventricular dysfunction in people who are otherwise stable. For high blood pressure, it is generally a second-line treatment. It is taken by mouth.

Placebo