chronic inflammation of the colon inflammatory bowel disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - 18 years of age or older (all participants) - Diagnosis of Crohn*s disease or ulcerative colitis (total or left-sided colitis) made by gastroenterologist (IBD participants) - Participation in Nijmegen Four Day Marches, edition 2019 (all participants)
Exclusion criteria
Exclusion criteria: - Use of biologicals (e.g. infliximab, adalimumab, golumimab, ustekinumab) (IBD participants) - History of IBD or other gastro-intestinal diseases such as celiac disease or Irritable Bowel Syndrome (IBS) (healthy participants) - History of significant systemic diseases, such as diabetes mellitus, cancer, cardiovascular or respiratory disease, that may have an effect on study outcomes (healthy participants)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameter is the change in gastrointestinal inflammation measured by faecal calprotectin in the IBD subjects. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary parameters are inflammatory markers in blood and clinical disease activity measured by Harvey Bradshaw Index (HBI) in Crohn*s Disease and the Simple Clinical Colitis Activity Index (SCCAI) in ulcerative colitis. | — |
Countries
Netherlands