💬In plain words
What the trial is, and whether it could suit you
Background:
In Fontan Associated Liver Disease (FALD), congestion of blood in the liver causes cirrhosis. This condition can cause death. Researchers want to understand what triggers this process and find new treatments for it.
Objective:
To understand how long-term congestion of blood in the liver causes liver scarring that eventually leads to cirrhosis.
Eligibility:
People aged 18 and older who are at risk of developing FALD from the Fontan procedure.
Design:
Participants will be screened with:
Medical history
Physical exam
Blood and urine tests
Liver ultrasound. This uses sound waves to take pictures of the body.
Participants will have an outpatient visit within 12 weeks after screening. Within 24 weeks later, they will have a 3-day hospital stay. About 2 weeks later, they will have a follow-up visit.
Visits will include repeats of the screening tests and:
Heart tests
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Sign in to get the eligibility rules as simple questions to take to your doctor.
📋 Eligibility rules (as published)
* INCLUSION CRITERIA:
In order to be eligible to participate in this study, an individual must meet all of the following criteria:
1. Male and female subjects \>= 18 years of age.
2. Past surgical history of Fontan procedure.
3. Prior enrollment in the Liver Diseases Branch protocol 91DK0214
4. Underwent cardiac catheterization or transjugular liver biopsy within ten years prior to the date of screening
5. Approved to proceed by the NIH Cardiology Consult
6. Approved to proceed by the NIH Cardiac Pre-anesthesia Consult
EXCLUSION CRITERIA:
An individual who meets any of the following criteria will be excluded from participation in this study:
1. Evidence of other forms of liver disease that typically result in cirrhosis.
2. Evidence of active Chronic Hepatitis B infection as defined by the presence of hepatitis B surface antigen (HBsAg) in serum and elevated HBV DNA (\>10,000 IU/mL).
3. Hepatitis C as defined by the presence of hepatitis C RNA in serum.
4. Evidence of other liver disease such as primary sclerosing cholangitis, primary biliary cirrhosis, Wilson s disease, autoimmune hepatitis as defined by either liver histology or laboratory abnormalities.
5. Hemochromatosis as defined by presence of 3+ or 4+ stainable iron on liver biopsy or homozygosity for C282Y. Patients with iron saturation indices of \>45% and serum ferritin levels of \>300 ng/ml for men and \>250 ng/ml for women will undergo genetic testing for hemochromatosis.
6. Bile duct obstruction as suggested by imaging studies done within the previous six months.
7. Active substance abuse, such as alcohol, inhaled or injection drugs within the previous one year (assessed during patient interviews or by patient self-report).
8. Evidence of hepatocellular carcinoma; either alpha-fetoprotein (AFP) levels greater than 50 ng/ml (normal \<6.6 ng/ml) and/or ultrasound (or other imaging study) demonstrating a mass suggestive of liver cancer.
9. Evidence of Cholangiocarcinoma.
10. A documented or otherwise stated severe allergic reaction to contrast.
11. Any other severe condition, which in the opinion of the investigators would impede the patient s participation or compliance in the study.
12. Radiation exposure exceeds 5 rems during the past year.
13. Inability to comply or give written informed consent as there is no direct benefit from participation in this study.
14. Female subjects who are currently pregnant will be excluded due to radiation exposure necessary for study completion. In addition, altered hemodynamics may confound the study s results. Following pregnancy, patients may be reconsidered for the study.
National Institutes of Health Clinical Center
Bethesda, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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