TDM Guided Early Optimization of ADAL in Crohn's Disease

Participation Requirements

• Sex:

  ALL

• Eligible Ages:

  18 and up

Participation Criteria

Inclusion Criteria:

* Age 18 or older.
* Crohn's disease diagnosed based on standard objective methodology (clinical, biochemical, endoscopic, histological and radiological correlation).
* Active disease based on Harvey Bradshaw Index (HBI \>5) and elevated C-reactive protein (CRP) (\>normal reference range for local laboratory) OR fecal calprotectin (FCP) (\>250 µg/g)
* Due to commence treatment with ADAL.

Exclusion Criteria:

* Severe co-existing cardiopulmonary, hepatic, renal, neurologic, or rheumatologic disease.
* History of active HIV, hepatitis B or C infection,
* Patients with ileostomy/colostomy, ileal-pouch anal anastomosis or severe perianal fistulising disease.
* Pregnancy
* Prior exposure to ADAL