Collecting data on colorectal cancer patients

Prospective Data Collection Initiative on Colorectal Cancer - a Prospective Observational Cohort Study -

Observational Dutch Colorectal Cancer Group · NCT02070146

This study is collecting information from patients with colorectal, small bowel, and anal cancer to understand their treatment experiences and improve future care.

Quick facts

Study typeObservational
Enrollment50000 (estimated)
Ages18 Years and up
SexAll
SponsorDutch Colorectal Cancer Group Academic / other
Locations67 sites ('s-Hertogenbosch and 66 other locations)
Trial IDNCT02070146 on ClinicalTrials.gov

What this trial studies

This observational cohort initiative aims to gather extensive data on patients diagnosed with colorectal, small bowel, and anal cancer from their initial diagnosis until death. It will collect information on medical history, treatment outcomes, and patient-reported outcomes, as well as biological samples for future research. The goal is to better understand the factors influencing treatment outcomes and to create a robust infrastructure for evaluating new interventions in a real-world setting.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with a confirmed diagnosis of colorectal, small bowel, or anal cancer.

Not a fit: Patients who are mentally incompetent or unable to provide informed consent will not benefit from this study.

Why it matters

Potential benefit: If successful, this initiative could lead to improved understanding of colorectal cancer outcomes and more personalized treatment approaches for patients.

How similar studies have performed: Other studies utilizing observational cohort designs have shown success in enhancing understanding of cancer treatment outcomes, making this approach both relevant and promising.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years
* Histological proof of colorectal, small bowel and anal cancer, or a strong suspicion after imaging.
* Informed consent for longitudinal observational data collection.

Exclusion Criteria:

* Mentally incompetent patients.

Participation of patients to the PLCRC project does not exclude participation in any other ongoing or future study.

Where this trial is running

's-Hertogenbosch and 66 other locations

+17 more sites — see ClinicalTrials.gov for the full list.

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Colorectal Cancer
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.