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Spots Global Cancer Trial Database for Immune Modulation by Parenteral Fish Oil in Patients With Crohn's Disease

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Trial Identification

Brief Title: Immune Modulation by Parenteral Fish Oil in Patients With Crohn's Disease

Official Title: Modulation of Immune Function by Parenteral Fish Oil in Patients With Crohn's Disease and High Inherent Tumor Necrosis Factor-alpha Production: a Randomized, Single Blinded, Cross-over Study

Study ID: NCT02349594

Conditions

Crohn Disease

Study Description

Brief Summary: To evaluate the effects of infusion of a Fish oil-based lipid emulsion on TNF-α production and other relevant immune functions. A soybean oil emulsion, rich in the omega-6 polyunsaturated fatty acid linoleic acid, will serve as control.

Detailed Description: Rationale: Fish oil (FO), rich in omega-3 polyunsaturated fatty acids, exerts a range of anti-inflammatory actions that render it a potential therapeutic agent to treat Crohn's disease, a chronic inflammatory disease that primarily affects the bowel. Recent evidence suggests that a lack of effect in previous studies might be due to the fact that genetic background was not taken into account. For instance, a study in healthy subjects showed that production of the pro-inflammatory cytokine Tumor Necrosis Factor-alpha (TNF-α) following FO supplementation decreased in individuals within the highest tertile of pre-supplementational TNF-α production, remained unaltered in the middle tertile, and increased in the lowest tertile of pre-supplementational TNF-α production. TNF-α plays a pivotal role in the pathogenesis of Crohn's disease, hence the treatment with anti-TNF-α agents. Based on these notions, and because FO supplementation via the enteral route is strongly dose limited due to fat-induced side effects such as diarrhea, we hypothesize that parenteral FO supplementation might be beneficial in those patients with Crohn's disease with a high inherent TNF-α production. Study design: Single center, randomized, single blinded, lipid-controlled, cross-over pilot trial. Study population: Adult patients with Crohn's disease with previous bowel surgery, currently in remission (without the need for immunosuppressive drugs) and with a high inherent TNF-α production. Intervention: First, patients with a high inherent TNF-α will be identified by assessment of TNF-α production in a group 100 patients who meet in- and exclusion criteria. Patients within the highest tertile will be classified as high producers. Next, 5 patients within the highest tertile will be randomized to receive intravenous administration of 20% (w/v) lipid-control (Intralipid®), and, after crossing over, 10% (w/v) fish oil emulsion (Omegaven®), or vice-versa for 1 hour on three consecutive days at a dose of 0.2 g/kg bodyweight /hr. Study parameters will be assessed in blood drawn prior to the first infusion (T=0) and 1 (T=4) and 8 days (T=11) after the third infusion. Between the two treatment arms, there will be a wash-out interval of at least 2-3 weeks. Main study parameters/endpoints: Early (T=day 4) and late (T=day 11) effects of infusions on TNF-α production by whole blood cultures. Secondary outcomes: effect on leukocyte counts, leukocyte functions and on (anti-)oxidant status, the occurrence of oxidative damage and analysis of specific Single Nucleotide Polymorphisms (SNPs) related to TNF-α production.

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Radboud University Medical Center, Nijmegen, , Netherlands

Contact Details

Name: G. Wanten, MD, PhD

Affiliation: Radboud University Nijmegen Medical Center

Role: STUDY_DIRECTOR

Name: F. Hoentjen, MD, PhD

Affiliation: Radboud University Nijmegen Medical Center

Role: PRINCIPAL_INVESTIGATOR

Name: D de Jong, MD, PhD

Affiliation: Radboud University Nijmegen Medical Center

Role: PRINCIPAL_INVESTIGATOR

Name: P. Calder, MD, PhD

Affiliation: University Hospital Southampton NHS Foundation Trust

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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