Determination of Ustekinumab Levels in Patients With Crohn's Disease

Determination of Ustekinumab Levels in Patients With Crohn's Disease: Use in Clinical Practice

Observational, prospective, single-center follow-up study carried out with patients from the area of the Virgen de Macarena University Hospital, diagnosed with chronic kidney disease, who started treatment with ustekinumab.

Prospective follow-up observational study carried out with patients from the Virgen de Macarena University Hospital, under treatment with ustekinumab in the induction and maintenance phase in order to determine the cut-off points of the ustekinumab levels between which a clinical remission is expected in patients with inflammatory bowel disease.

Inclusion Criteria:

• Over 18 years.
• Patients treated with ustekinumab in induction and maintenance phase.
• They must agree to participate in the clinical study, having previously signed the informed consent.

Exclusion Criteria:

• Any patient who does not meet the inclusion criteria previously described and / or who refuses to participate in the study.