'Crohn's disease'
Conditions
Interventions
None listed
Sponsors
Vrije Universiteit Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: Adults (18 years or older) with Crohn's disease starting with methotrexate as primary drug.
Exclusion criteria
Exclusion criteria: - Cotreatment with biologicals at methotrexate start - Not eligible to receive methotrexate as in usual care
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary study endpoint of MTX efficacy is Step-Up-Therapy-Free-Survival (SUT-FS) in the first 6 months after start MTX therapy. The primary study endpoint of MTX efficacy is Step-Up-Therapy-Free-Survival (SUT-FS) in the first 6 months after start MTX therapy. MTX-PG levels in red blood cells are the primary outcome measurement for the pharmacokinetic study parts. | — |
Secondary
| Measure | Time frame |
|---|---|
| - Harvey Bradshaw Index (disease activity score CD) - Faecal calprotectin (stool inflammation marker) - CRP (blood inflammation marker) - Hospital admissions - Quality of life (IBDQ questionnaire) - Liver and bonemarrow toxicity (blood) - Gastrointestinal intolerance (MISS questionnaire) - MTX-PG level in white blood cel (PBMC, at university medical centers only) - MTX- PG level in colonic mucosa (if additional informed consent obtained) - Disease activity at coloscopy (if coloscopy for clinical indication, SES-CD score) | — |
Countries
Netherlands
Outcome results
None listed