C18 C19 C20
Conditions
Interventions
Group 1: Observational study: Participants in the colorectal cancer screening program, who undergo colonoscopy and a serological examination.
Sponsors
Deutsches Krebsforschungszentrum Heidelberg
Eligibility
Sex/Gender
All
Age
55 Years to 75 Years
Inclusion criteria
Inclusion criteria: participants in screening colonoscopy, age 55-75, women, men, informed consent
Exclusion criteria
Exclusion criteria: colonoscopy due to symptoms or a preceding positive colorectal cancer screening test, endoscopic examination of large bowel (colonoscopy, sigmoidoscopy) within the preceding 5 years, incomplete screening colonoscopy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| sensitivity and specificity of the three serological tests at predefined cutpoints with colonoscopy as gold standard for ascertainment of colorectal neoplasia | — |
Secondary
| Measure | Time frame |
|---|---|
| positive and negative predictive values, ROC curve and its area under the curve (AUC), likelihood ratios, number needed to screen | — |
Countries
Germany
Contacts
Public ContactJason Hochhaus
Deutsches Krebsforschungszentrum Heidelberg
Outcome results
None listed