Cholate Clearance in Fontans
Development of a Reliable Means for Functional Assessment of Liver Performance After the Fontan Operation: Dual Cholate Clearance Assay
HepQuant is an assay to measure liver function in other forms of liver disease such as hepatitis C. It measures the ability of the liver to process an naturally occurring substance called cholate and has been shown to predict clinical outcomes in some patient populations.
The Fontan survivor is a patient who has undergone surgery or a series of surgeries that result in a functional single ventricle. The liver is particularly vulnerable to disease including congestion, fibrosis, and even cirrhosis. Currently liver function in the Fontan is not well-characterized and the HepQuant assay could help answer this question.
연구 개요
상세 설명
A novel test called HepQuant® is an assay that has been used to measure liver function in other types of liver disease. In these populations, it is hoped that the assay may show more subtle or sub-clinical liver abnormalities that blood tests alone cannot detect. HepQuant® is a test that examines the ability of the liver to process a substance called cholate, which is a naturally occurring substance in the body. Cholate gets to the liver 2 ways: through the gut (by mouth) or through the blood (IV or intravenous). The test involves administering oral and IV cholate which is labeled. This label is NOT radioactive, but can act as an indicator/marker for evaluation purposes.
The purpose of this study is to develop a reliable means of measuring liver function in the Fontan survivor by examining cholate clearance. The investigators aim to 1) explore any association between level of cholate clearance and measurement of heart and liver function and 2) determine whether cholate clearance can predict clinical outcomes such as heart failure, ascites (development of fluid in the abdomen which can result from heart failure or liver failure), and need for heart transplant.
연구 유형
등록 (실제)
연락처 및 위치
연구 장소
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Pennsylvania
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Philadelphia, Pennsylvania, 미국, 19104
- Hospital of the University of Pennsylvania
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
샘플링 방법
연구 인구
설명
Inclusion Criteria:
- s/p Fontan operation
- cardiac catheterization or cardiac MRI within 1 year of enrollment
Exclusion Criteria:
- pregnant or breastfeeding
- unable to comprehend and/or give informed consent
- sensitivity to human serum albumin, or its preparations
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
코호트 및 개입
그룹/코호트 |
개입 / 치료 |
|---|---|
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Fontan patient
Cholate assay will be administered once to Fontan patients and blood specimens will be collected to analyze cholate clearance.
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Labeled oral and IV cholate will be administered once to the Fontan cohort and blood specimens will be collected at baseline and timepoints thereafter.
다른 이름들:
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Hepatic cholate clearance
기간: Through study completion, an average of 1 year
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D4-cholate and 13C-cholate clearance
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Through study completion, an average of 1 year
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Incidence of adverse clinical outcomes
기간: 5 years after cholate assay
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combined outcome of occurrence of any of the following: heart failure admission, clinically significant ascites, protein losing enteropathy, referral for cardiac transplantation, death
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5 years after cholate assay
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공동 작업자 및 조사자
수사관
- 수석 연구원: Yuli Kim, MD, UNIVERSITY of PENNSYLVANIA
- 수석 연구원: Maarouf Hoteit, MD, Hospital of the University of Pennslyvania
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
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