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Study identifier: NCT03941080 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: RecruitingGIMICC

Gut Microbiome Dynamics in Metastasized or Irresectable Colorectal Cancer

Condition: Colorectal Cancer Metastatic  ·  Sponsor: University Medical Center Groningen

PhaseN/A
Planned participants300
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNoCheck eligibility criteria ↓
Where10 locations

Interested? Contact the study team ↓

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

In this study the characteristics and alterations of the gut microbiome during chemotherapy for metastasized or irresectable CRC are studied, as well as the relation between the gut microbiome and the effects of chemotherapy.

This description comes directly from the study's public registry record.

Talk to the study team

J. J. de Haan, MD, PhD  ·  +31 50 3612821  ·  j.j.de.haan@umcg.nl

D. J. de Groot, MD, PhD  ·  +31 50 361 2821  ·  d.j.a.de.groot@umcg.nl

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: * Age ≥ 18 years * Patients with histologically confirmed CRC with an indication for palliative systemic anti-tumor therapy (ANY combination of chemotherapy with/without anti-VEGF of anti-EGFR therapy) * Measurable disease according to RECIST v1.1. * Stored pathological specimens available * Life expectancy ≥ 12 weeks * Signed Informed Consent Form * Ability to comply with protocol Exclusion Criteria: * Previous (neo)adjuvant chemotherapy \< 6 months * Previous radiotherapy on the small or large intestine \< 1month * Previous surgery of the small or large intestine \< 1 month * Uncontrolled inflammatory bowel disease * Participation in a study with a potential effect on the gut microbiome

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (10)

Wilhelmina ZiekenhuisAssen, NetherlandsRecruiting
Ziekenhuis Nij SmellingheDrachten, NetherlandsRecruiting
Treant ZorggroepEmmen, NetherlandsRecruiting
Medisch Spectrum TwenteEnschede, NetherlandsRecruiting
University Medical Center GroningenGroningen, NetherlandsRecruiting
Martini ZiekenhuisGroningen, NetherlandsRecruiting
Tjongerschans ZiekenhuisHeerenveen, NetherlandsRecruiting
Medisch Centrum LeeuwardenLeeuwarden, NetherlandsRecruiting
Ommelander Ziekenhuis GroepScheemda, NetherlandsRecruiting
Antonius ZorggroepSneek, NetherlandsRecruiting

More studies in these areas

This study lists sites in the areas below. Each link shows other recruiting studies near that city, from the public registry record.

AssenDrachtenEmmenEnschede

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