- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01251666
Comparison of Hemoccult, Magstream and OC-Sensor Faecal Occult Blood Tests in Colorectal Cancer Screening (HeMO)
Comparison of Performances of Two Automated Immunochemical Faecal Occult Blood Tests in Colorectal Cancer Screening, in Reference to Usual Care Guaiac Test
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
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Moulins, France, 03007
- ADECA
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St Doulchard, France, 18230
- Adoc18 - Irsa
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 50 to 74 years
- Informed consent signed
Exclusion Criteria:
- Recent digestive symptoms
- Complete colonoscopy less than 5 years ago
- Personal history of colorectal cancer or colorectal adenoma or colonic disease requiring regular colonoscopy surveillance
- Familial history of colorectal cancer in a first degree next of kin before 65 years, or two cases in first degree next of kin.
- Severe extra-intestinal disease
- Screening ill-timed (ex. depression)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Screening
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Magstream + Oc Sensor + Hemoccult II
Each patient will perform all three tests:
Each test will be considered as positive if at least one sample is positive (cutoff for Magstream 55 ng/ml and for OC Sensor 150 ng/ml). Screening will be considered as positive if at least one of the three tests is positive, leading to a colonoscopy |
Colonoscopy if at least one of the faecal occult blood tests is positive (blinded to each test result)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ratio of sensitivities (RSN) for detection of advanced neoplasias
Time Frame: Up to 6 months after faecal occult blood test (FOBT) (At the time of colonoscopy)
|
Advanced neoplasias included invasive cancers and high-risk adenomas (larger than 1 cm or with high grade dysplasia). RSN is the ratio of the true positives of two tests. True positives for one test are patients positive for the test, with targeted lesion (here advanced neoplasias). RSN will be calculed between immunochemical tests, and for each immunochemical test in reference to gaiac test. |
Up to 6 months after faecal occult blood test (FOBT) (At the time of colonoscopy)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ratio of False Positives (RFP) for detection of invasive cancers
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
|
RFP is related to specificity. False positives of one test are patients with a positive test but without targeted lesions (here invasive cancers). RFP will be calculed between immunochemical tests, and for each immunochemical test in reference to gaiac test. |
Up to 6 months after FOBT (At the time of colonoscopy)
|
RFP for detection of advanced neoplasias
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
|
RFP is related to specificity. False positives of one test are patients with a positive test but without targeted lesions (here advanced neoplasias). RFP will be calculed between immunochemical tests, and for each immunochemical test in reference to gaiac test. |
Up to 6 months after FOBT (At the time of colonoscopy)
|
Relative Receiver Operating Characteristics(ROC) curves
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
|
Relative ROC curves plots RSN according to RFP (similar to ROC curve).
Relative ROC curves will be compared in reference to gaiac test, according to number of samples analysed for each immunochemical test, and the way they are analysed.
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Up to 6 months after FOBT (At the time of colonoscopy)
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Detection rate of invasive cancer
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
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Up to 6 months after FOBT (At the time of colonoscopy)
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Detection rate of advanced neoplasias
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
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Up to 6 months after FOBT (At the time of colonoscopy)
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Cost-effectiveness analysis
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
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It will take into account number of samples and threshold
|
Up to 6 months after FOBT (At the time of colonoscopy)
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Predictive positive value for detection of invasive cancers
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
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Up to 6 months after FOBT (At the time of colonoscopy)
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Predictive value for detection of advanced neoplasias
Time Frame: Up to 6 months after FOBT (At the time of colonoscopy)
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Up to 6 months after FOBT (At the time of colonoscopy)
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Positivity rate
Time Frame: Immediate (At the time of FOBT)
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Immediate (At the time of FOBT)
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Guy LAUNOY, MD-PhD, University Hospital, Caen
Publications and helpful links
Study record dates
Study Major Dates
Study Start
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 (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
- 2008-A01463-52
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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