- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01904942
Study of Hepatocellular Carcinoma in Cirrhotic Patients (CIRCE ProSpec)
The project is based on a case-control study including cirrhotic patients with (200 cases) and without (400 controls) Hepatocellular carcinoma. The determination of sample sizes in proteomic or spectroscopic studies has to be adapted to the high dimensional setting. The proteomic analysis will be conducted by Clinical Innovation Proteomic Platform of Dijon. Two approaches will be used in the proteomic study: A global approach based on the comparison of proteomic spectra profiles obtained after mass spectrometry analysis (MALDI-TOF). The particularity of this study with regard to previous studies is : the procedures used to purify the sub proteomes (Five automated methods including depletion fractionation and purification will be applied), the qualification of the generated data with the introduction of quality controls, the high number of samples included in the study. The second approach BIA-MS (Biomolecular interaction analysis mass spectrometry) is targeted approach allows the capture, quantification and characterization of proteins.
The quality controls allow to quantify the various variability sources and to validate that biological variability is higher than technical variability. All the samples will be treated and analyzed with the same protocols, 100 samples will be used to validate the marker and statistical models developed after analysis of the first 500 samples. The infra-red spectroscopy analysis will be conducted by MéDIAN team, CNRS UMR 6237 of Reims university. The first 300 samples after feature selection reference spectra, are classified into different classes by means of mathematical classification methods such as multivariate statistical processes of pattern recognition, neuronal networks, support vector machines and methods of case-based classification or machine learning, genetic algorithms or methods of evolutionary programming. The analysis of a second set of samples (300) will validate the different mathematical classification methods developed.
In the global study the investigators will unravel the relationship between proteomic, spectroscopic and metabolic/nutritional data. The description of these relationships will use canonical analysis and multi-block analysis in a more general extent. The goal of these methods is to explore relationships that may exist between several groups of quantitative variables observed on the same set of individuals.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Cases and controls will be males aged 35 or older, and will give an informed consent to participate in the study. All HCC cases evolving in cirrhotic liver, whatever the etiology of cirrhosis, will be included. Criteria for the diagnosis of HCC will be those defined by the European Association for Study of the Liver (EASL) (Bruix J, J Hepatol 2001): All patients with cirrhosis, whatever its etiology, will be included. The diagnosis of cirrhosis will rely on histological confirmation by liver biopsy:
- In patients free of portal thrombosis at Doppler imaging, on the presence of portal hypertension ascertained by biological (tricytopenia), morphologic (abdominal US, CT or MRI), hepatic venous pressure measurement or upper endoscopy (mosaic gastropathy, varices).
In patients with portal thrombosis, on the presence of portal hypertension associated with:
- Clinical (hepatomegaly with clinical evidence of hepatocellular failure: spider naevi, palmar erythema, white nails, gynecomastia) or morphological signs of cirrhosis (enlarged liver, nodular surface, sharp lower edge).
- And/or biological signs of hepatocellular failure (TP<70%, low albuminemia)
- And/or sinusoidal block assessed by liver venous gradient >18 mm Hg In the present state of knowledge, a fibrotest value at 4 or a fibroscan value > 12,5 kPa Without any other clinical or biological signs will be considered as diagnosis criteria of cirrhosis only for chronic viral C hepatitis. The lack of HCC in cirrhotic patients at inclusion will be assessed through good quality imaging examinations (abdominal US, CT scan or MRI) and AFP below 100 ng/ml.
Exclusion Criteria:
- - patients under 35years old or more than 75 years of age
- other cancer in evolution
- HIV infection
- major somatic or psychiatric illness not compatible with the inclusion in the study
- non HCC primary liver cancer.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Retrospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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Proteomic investigations
Time Frame: at the baseline
|
at the baseline
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Infrared spectroscopic investigations
Time Frame: at the baseline
|
at the baseline
|
Collaborators and Investigators
Investigators
- Principal Investigator: DUCOROY Patrick, Pole de recherche clinique / CLIPP (Clinical Innovation ProteomicPlatform)
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- DUCOROY PHRC K 2010
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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