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

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.

Study Overview

Study Type

Observational

Enrollment (Actual)

45

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 80 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

healthy controls and patients with active inflammatory bowel disease (ulcerative colitis and Crohn´s disease).

Description

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Non-inflamed

Ex-vivo conditioning of lamina propria and peripheral blood mononuclear cells.

Here, we will address whether the current available biological therapies for IBD patients (infliximab, golimumab, adalimumab, vedolizumab and ustekinumab) elicit a differential effect on the mucosal capacity to recruit circulating leukocytes on an ex-vivo approach using transwell culture systems.

Inflamed ulcerative colitis

Ex-vivo conditioning of lamina propria and peripheral blood mononuclear cells.

Here, we will address whether the current available biological therapies for IBD patients (infliximab, golimumab, adalimumab, vedolizumab and ustekinumab) elicit a differential effect on the mucosal capacity to recruit circulating leukocytes on an ex-vivo approach using transwell culture systems.

inflamed Crohn´s disease

Ex-vivo conditioning of lamina propria and peripheral blood mononuclear cells.

Here, we will address whether the current available biological therapies for IBD patients (infliximab, golimumab, adalimumab, vedolizumab and ustekinumab) elicit a differential effect on the mucosal capacity to recruit circulating leukocytes on an ex-vivo approach using transwell culture systems.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Effect of biological drugs on the secretion of gut-chemoattractants by the intestinal mucosa
Time Frame: 18 months
To assess, ex-vivo, the capacity of the IBD mucosa to recruit subsets of circulating leukocytes following mucosal conditioning with biological drugs.
18 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (ACTUAL)

April 1, 2016

Primary Completion (ACTUAL)

December 31, 2017

Study Completion (ACTUAL)

May 30, 2018

Study Registration Dates

First Submitted

February 2, 2017

First Submitted That Met QC Criteria

February 3, 2017

First Posted (ESTIMATE)

February 6, 2017

Study Record Updates

Last Update Posted (ACTUAL)

February 25, 2019

Last Update Submitted That Met QC Criteria

February 21, 2019

Last Verified

February 1, 2019

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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