Ex-vivo Modulatory Effect of Biological Drugs for Inflammatory Bowel Disease on the Mucosa and on Peripheral Blood Mononuclear Cells

Fundación de Investigación Biomédica - Hospital Universitario de La Princesa

Status: Completed

Conditions: Inflammatory Bowel Disease

Treatments: Biological: Ex-vivo stimulation of cells with infliximab, golimumab, adalimumab, vedolizumab and ustekinumab

Study type: Observational

Funder types: Other

Identifiers

NCT03043677

JPG-VED-2016-01

Details and patient eligibility

About

To characterize circulating DC subsets from healthy controls and IBD patients and to assess, following an ex vivo challenge, the effect of anti-TNF (infliximab, adalimumab and golimumab), anti-p40 -IL-12/IL-23- (ustekinumab) and anti-α4β7 (vedolizumab) immunomodulators on both the GI production of soluble immune mediators and the mucosal capacity to alter the recruitment capacity of circulating DC subsets. It is expected that such approach will provide further information on the action mechanisms of such therapies on IBD patients, allowing a better understanding of the pathophysiology of this disease and the identification of tissue-specific therapeutic targets, thus avoiding collateral problems associated with systemic immunomodulation.

Enrollment: 45 patients

Sex: All

Ages: 18 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

Patients with active IBD, and endoscopic and histological diagnosis of CD or UC that attend a colonoscopy with sedation performed by medical criteria.

Patients without an IBD diagnosis, or other types of inflammatory, allergic, malignant or autoimmune diseases, prior to their inclusion in this project. All patients will attend a colonoscopy with sedation at medical judgment with biopsy indication for histopathological study as in cases of diarrhea but also due to changes in the bowel transit, rectal bleeding or screening for gastrointestinal diseases. Patients will be paired in age and gender with the IBD groups. All patients will have no signs of macroscopic or microscopic inflammation hence excluding the presence of microscopic colitis.

Exclusion criteria

1. Age less than 18 years
2. Chronic disease or any other advanced clinically significant pathology, uncontrolled by investigator judgment.
3. Should be with medication, this will be unchanged in the 3 months prior to colonoscopy.
4. Alcohol or drugs.
5. Pregnancy or lactation
6. Do not sign the informed consent form (see "Ethical Issues") In any case NO colonoscopies exclusively targeted for sampling for this project will be made

Trial design

45 participants in 3 patient groups

Non-inflamed

Treatment:

Biological: Ex-vivo stimulation of cells with infliximab, golimumab, adalimumab, vedolizumab and ustekinumab

Inflamed ulcerative colitis

Treatment:

Biological: Ex-vivo stimulation of cells with infliximab, golimumab, adalimumab, vedolizumab and ustekinumab

inflamed Crohn´s disease

Treatment:

Biological: Ex-vivo stimulation of cells with infliximab, golimumab, adalimumab, vedolizumab and ustekinumab