- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00147043
Adult Stem Cell Therapy in Liver Insufficiency
Adult Stem Therapy for Patients With Liver Insufficiency
In order to determine the clinical application potential of adult stem cells we propose to investigate the safety and toxicity of infusing adult stem cells in the hepatic artery or portal vein of five patients with chronic liver insufficiency and to identify any clinical benefit if such occurs.
Objectives:
- To assess safety and treatment related toxicities
- To determine clinical benefit or deterioration by monitoring changes in liver function
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The liver in an adult healthy body maintains a balance between cell gain and cell loss. Though normally proliferatively quiescent, hepatocyte loss such as that caused by partial hepatectomy, uncomplicated by virus infection or inflammation, invokes a rapid regenerative response to restore liver mass. This restoration of moderate cell loss and 'wear and tear' renewal is largely achieved by hepatocyte self-replication. More severe liver injury can activate a potential stem cell compartment located within the intrahepatic biliary tree, giving rise to cords of bipotential, so-called, oval cells within the lobules that can differentiate into hepatocytes and biliary epithelial cells. A third population of stem cells with hepatic potential reside in the bone marrow; these haematopoietic stem cells can contribute to the albeit low renewal rate of hepatocytes, make a more significant contribution to regeneration and even completely restore normal function in a murine model of hereditary tyrosinaemia.
A recent abstract has suggested that an astonishingly high number of bone marrow cells (~25% of liver parenchyma occupied by bone marrow-derived cells) will engraft and differentiate into hepatocytes in a model of cirrhosis in the mouse when injected intravenously. More importantly, this bone marrow infusion resulted in significant improvements in liver function (serum albumin) within the cirrhotic animals.
This is a safety and toxicity study in five patients with chronic liver disease. Each will receive autologous stem cells 10 to the sixth cells via the hepatic artery or portal vein under image guided scanning. Patients will be followed for a total of 60 days.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
London, United Kingdom, W12 0HS
- Hammersmith Hospitals NHS Trust
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female aged from 20 years to 65 years Evidence of chronic liver failure Abnormal serum albumin and/or bilirubin and/or prothrombin time Unsuitable for liver transplantation WHO performance status <2 Women of childbearing potential may be included but must use a reliable and appropriate contraceptive method Life expectancy of at least three months Ability to give informed consent
Exclusion Criteria:
- Patients aged below 20 years or above 65 years Pregnant or lactating women Patients with recent recurrent gastrointestinal bleeding Spontaneous bacterial peritonitis Evidence of active infection HIV infection Patients unable to give informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Autologous Stem Cells
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Serious Adverse Events Related to Injection
Time Frame: Day 1 to Day 60
|
Incidence of serious adverse event related to injection with the study participants
|
Day 1 to Day 60
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Improvement in Liver Function
Time Frame: Day 1 to Day 60
|
Number of participant that have liver function improvement in liver function
|
Day 1 to Day 60
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Nagy Habib, ChM FRCS, Imperial College London
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2004/6746
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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