This clinical trial is focused on studying brain injury in newborns with critical congenital heart disease who need heart surgery using a method called cardiopulmonary bypass. The treatment being tested is a medication called allopurinol sodium, which is given as a solution through a vein. The study will compare the effects of allopurinol sodium to a placebo to see if it can reduce brain injury in these newborns.
The purpose of the study is to find out if giving allopurinol sodium shortly after birth and around the time of heart surgery can help protect the brain from injury. The study will involve monitoring the newborns before and after surgery using various methods, including MRI scans to check for brain injury, and other tests to assess brain and heart function. The study will also look at the overall development of the children as they grow, including their movement and cognitive skills at different ages.
Throughout the study, researchers will gather information on how well allopurinol sodium works and its cost-effectiveness. The study aims to provide valuable insights into whether this treatment can improve outcomes for newborns with critical congenital heart disease undergoing surgery.



The Netherlands