This clinical trial is focused on studying heart failure in children and teenagers. Heart failure is a condition where the heart is unable to pump blood effectively. The study is specifically looking at heart failure caused by a problem with the left side of the heart, known as left ventricular systolic dysfunction. The treatment being tested is a medication called Vericiguat, which is taken orally either as a tablet or an oral suspension. Vericiguat is also known by its code name MK-1242.
The purpose of the study is to evaluate how well Vericiguat works in improving heart function in young patients with heart failure. Participants in the study will be randomly assigned to receive either Vericiguat or a placebo. The study will last for several weeks, during which time participants will take the medication and have regular check-ups to monitor their heart health and overall well-being. The study aims to see if Vericiguat can help reduce levels of a specific heart-related protein called NT-proBNP, which is often higher in people with heart failure.
Throughout the study, participants will be closely monitored for any side effects or changes in their condition. The study will also gather information on how the body processes Vericiguat, including how long it stays in the body and how it is cleared. This information will help determine the safety and effectiveness of Vericiguat for treating heart failure in children and teenagers.



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