Coloncancer. Large polyps.
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: All subjects 40 years of age or older scheduled for colonoscopy will be invited to participate. Subjects with colorectalcancer (CRC) or advanced adenomas detected at colonoscopy will be included as cases, whereas subjects without advanced neoplasia will be included as controls. All subjects should be capable to give informed consent. All subjects should speak and understand the Dutch language
Exclusion criteria
Exclusion criteria: - Subjects
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Quality and stability of samples collected. | — |
Primary
| Measure | Time frame |
|---|---|
| Collection of faeces for development and improvement of new biomarkers for CRC. Development of a stool test with a (panel of) molecular marker(s). Endpoints for evaluation of screening markers: presence of CRC and advanced adenomas (advanced neoplasia). The following test characteristics are used as primary outcome measurements for the different biomarkers. - Sensitivity - Specificity - Positive predictive value (PPV) - Negative predictive value (NPV) | — |
Countries
Netherlands