Colorectal Cancer Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People aged 18 or older
- People diagnosed with colorectal cancer (bowel cancer) that has spread or cannot be surgically removed, and who will be treated with a chemotherapy drug called irinotecan, with or without an additional targeted therapy
- People whose overall health and ability to carry out daily activities falls within an acceptable range, as assessed by a standard medical scale (WHO performance status 0–2)
- People whose blood test results meet minimum safety levels, including healthy enough levels of white blood cells, platelets, liver function, and kidney function (the trial site can confirm the specific values)
- People who have given written consent to participate
Who may not be able to join:
- People whose cancer has a specific genetic feature called microsatellite instability (MSI), or a related abnormality in certain proteins involved in DNA repair
- People who are pregnant or breastfeeding
- People who have had part of their small bowel redirected through the abdomen wall (an ileostomy)
- People of Asian ethnicity
- People who have received another systemic (whole-body) cancer treatment less than one month before starting irinotecan-based treatment
- People who have taken antibiotic treatment less than three months before starting irinotecan-based treatment
- People who have had radiotherapy to the abdomen less than two weeks before starting irinotecan-based treatment
- People who are physically or mentally unable to participate in the trial
- People whose irinotecan starting dose has been reduced by more than 25%, unless that reduction is due to a specific gene variation called UGT1A1 mutation
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Marjolein Smidt, Prof. dr., Maastricht University Medical Center
Phone: +31 (0)433881558
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Bacterial beta-glucuronidase activity; UGT1A1 (uridine diphosphate glucuronosyltransferase); Molecular profile of the tumor
Can't join this trial?
Data last synced from ClinicalTrials.gov: 12 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.