Down syndrome (DS) occurs in roughly 1 out of 700 births in the U.S. Half of all children with Down syndrome have congenital heart disease (CHD), often requiring corrective heart surgery. Even though CHD in children without DS is known to be associated with developmental problems, few studies have explored how CHD can affect the development and behavior of…
This is a study designed for patients with medullary thyroid cancer. Treatment will consist of a drug called Ponatinib. Ponatinib is an investigational agent that blocks abnormal cancer proteins and therefore harms cancer cells. It was recently approved by the Food and Drug Administration for leukemia treatment, but is not approved for medullary thyroid…
The purpose of this study is to find out how doctors describe hepatic encephalopathy episodes in patients medical records in the course of their regular practice. The aim of the study is simply to collect information from their medical records about how their episodes of overt hepatic encephalopathy are described. There is nothing that will be required of…
The purpose of this study is to compare the time to onset of an episode of overt HE, in subjects with previously demonstrated overt HE after treatment with rifaximin 550 mg BID and lactulose, or rifaximin 550 mg BID. Subjects will be screened to confirm eligibility into the study. Once confirmed, subjects will begin the treatment phase and will be randomly…