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Fish oil in surgery for obesity, effects on liver volume, immune response and red blood cell function

Omega-3 fatty acids in bariatric gastric bypass surgery: effects on liver volume, immune response and erythrocyte function - OLIVIER

Status
Not yet recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2013-004750-24-NL
Enrollment
Unknown
Registered
2014-01-06
Start date
2014-03-17
Completion date
Unknown
Last updated
2015-02-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients qualified for bariatric surgery MedDRA version: 17.1 Level: LLT Classification code 10068900 Term: Bariatric surgery System Organ Class: 100000004865

Interventions

Trade Name: Omega-3 fatty acids Product Name: Omega 3-acid-ethyl esters 1000mg Soft Capsules Product Code: C10AX06 Pharmaceutical Form: Capsule, soft

Sponsors

Rode Kruis Ziekenhuis
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: •Females undergoing laparoscopic gastric bypass surgery because of morbid obesity •Age between 18 and 60 years •Written informed consent •Able to fit in the MRI, weight circumference =65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: •Pregnancy •Diabetes mellitus type 1 •Current history of inflammatory, infectious or malignant disease •The use of anti-inflammatory drugs •Contra-indications for the use of omega-3 fatty acids •Underwent previous bariatric procedure

Design outcomes

Primary

MeasureTime frame
Main Objective: Our primary objective is to compare pre-treatment with the standard low calorie diet with pre-treatment with supplemental omega-3 fatty acids on liver volume. ;Secondary Objective: Secondary objectives are patient satisfaction about different dietary pre-treatments, the effect of omega-3 fatty acids before and after bariatric surgery on immune function, including adipose tissue macrophage function, cortisol response, erythrocyte function, and the long term effect of bariatric surgery on immune function and erythrocyte function six months after surgery.;Primary end point(s): Volume of the left hepatic lobe;Timepoint(s) of evaluation of this end point: 4 weeks

Secondary

MeasureTime frame
Secondary end point(s): • The ex-vivo inflammatory cytokine response in LPS stimulated whole blood cells before and after bariatric surgery, measured as: o TNF-alpha o IL-6 o IL-10 • The low-grade inflammatory state of adipose tissue, measured by the infiltration of macrophages, expression of Netrin-1 and Unc5b, different adopokines, cytokines, signal transduction molecules and 11ß-HSD-1 in adipose tissue biopsies • Erythrocyte deformability, measured as elongation index (EI) by the LORRCA • Erythrocyte aggregation, measured as aggregation index (AI) by the LORRCA • Cortisol response, measured with ACTH-stimulation test • Serum levels of cytokines before and after bariatric surgery, measured as: o TNF-alpha o IL-6 o IL-10 • Serum levels of C-reactive protein, HDL-cholesterol, LDL-cholesterol, triglycerides and fasting glucose • Weight, height and BMI • Postoperative outcome;Timepoint(s) of evaluation of this end point: 4 weeks, first postoperative day and after 6 months

Countries

Netherlands

Contacts

Public ContactRick van den Helder

Medisch Centrum Alkmaar

r.vanden.helder@mca.nl00310725484444

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026