Omega 3 Supplementation in Cystic Fibrosis Patients

Biochemical Effects of a Long-term Supplementation With Omega-3 Polyunsaturated Fatty Acids in Cystic Fibrosis

Essential fatty acids (EFA) deficiency has been often reported in patients with cystic fibrosis (CF), particularly in those homozygous for the DF508 mutation. Clinical symptoms of CF may be influenced by correcting EFA deficiency. Nevertheless, the value of EFA supplementation in CF remains controversial. Within this multicentric and international randomized placebo-controlled trial it will be evaluated, according to recommendations of Cochrane analysis, beneficial effects of an oral supplementation with polyunsaturated fatty acids on selected biochemical and functional outcome parameters such as inflammatory biomarkers, incorporation into cell membrane phospholipids, lung function, exercise tolerance, clinical and nutritional status and properties of transepithelial ion transport. The study will be undertaken in a cohort of CF patients aged over 6 years old (60 patients), homozygous for the DF508 mutation and treated by Azithromycine. Supplementation will be performed with a triglyceride source at a daily dose of 60 mg/kg of omega-3 polyunsaturated fatty acids (Omega 3 Premiumâ, Laboratoires Ponroy, France). Before enrolled into the trial and during the study, patients will undergo nutritional assessment by evaluation of total and fat dietary intake and overall calorie intake using a 3-days diet records and a food frequency questionnaire. Plasma and erythrocyte membrane EFA profiles and inflammatory markers will be monitored in baseline conditions, at 3, at 6 and 12 months after starting the treatment. Lung function will be performed at each patient visit and an exercise test will be done before and at the end of the treatment. Properties of ion transport will be searched by sweat testing before and at the end of the treatment.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

15

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Brussels, Belgium, 1020
        • Hôpital Universitaire Des Enfants Reine Fabiola

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

6 years to 60 years (ADULT, CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Male or female patient over 6 years of age at visit 1 with stable cystic fibrosis
  2. Documented Homozygous for DeltaF508 mutation
  3. Patient treated with stable dose of Azithromycine since at least 3 months
  4. Able to perform pulmonary function test and swallow capsules
  5. Female patient of childbearing potential must have a negative serum pregnancy test prior to enrolment and must agree to practice effective birth control during the study and 6 weeks thereafter
  6. Signed informed consent obtained from the patient, or in case the patient is minor,from patient's legally acceptable representative (parents or guardians) according to ICH & local regulations. Child assent will be nevertheless obtained

Exclusion Criteria:

  1. Ongoing acute illness including acute upper or lower respiratory infections within 2 weeks before baseline evaluation.
  2. Abnormalities on screening chest x-ray (or CT-scan) suggesting clinically active pulmonary disease other than CF, or new, significant abnormalities such as atelectasis or pleural effusion which may be indicative of clinically active pulmonary involvement secondary to CF.
  3. Any chronic (> 1 week daily) oral or intravenous inflammatory treatment, other than Azithromycine, given to the patient within 3 months before start of study treatment.
  4. Active bleeding or increased risk of bleeding (rate of platelets < 50,000/mm3,patient treatment by anticoagulant or antiplatelet agents, disturbances of haemostasis with PTT <70%, bleeding disorders).
  5. Patient has significant liver disease, defined as having elevated liver function tests with values 2-fold higher than the upper normal range of the investigational local lab or having abnormal ultrasound such as signs of cirrhosis.
  6. Hypercholesterolemia (>240mg%).
  7. Patient is pregnant or a breast-feeding mother
  8. Patient is participating or has participated in another investigational drug trial or is receiving or has received an investigational drug within the last 28 days before entry into this study.
  9. Patient is unlikely to comply with the visits scheduled in the protocol or enable to follow the study procedure.

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

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: QUADRUPLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: Omega 3 Premium
capsules containing 300mg of omega-3 triglycerides with 100mg DHA and 150mg EPA
capsules containing 300mg of omega-3 triglycerides with 100mg DHA and 150mg EPA, 60mg/kg/day 3 times a day during 12 months.
PLACEBO_COMPARATOR: Placebo
capsules containing middle chain triglycerides
capsules containing middle chain triglycerides

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
LTB4/LTB5 ratio from baseline to the end of treatment assessment.
Time Frame: Assessment at 3-6-12 months
Assessment at 3-6-12 months

Secondary Outcome Measures

Outcome Measure
Time Frame
To explore the change in other inflammatory biomarkers such as TNF-alpha, IL-6, IL-8, IL-17 & alpha-1 anti-trypsin.
Time Frame: Assessments at 3-6 and 12 months
Assessments at 3-6 and 12 months
To evaluate the incorporation into cell membrane phospholipids.
Time Frame: Assessments at 3-6-12 months
Assessments at 3-6-12 months
To evaluate the effects on the pulmonary function (FEV1) and on the exercise tolerance (VO2 max).
Time Frame: Assessment at 12 months
Assessment at 12 months
To evaluate the effects on the clinical status and the nutritional status.
Time Frame: Assessments at 3-6-9 and 12 months
Assessments at 3-6-9 and 12 months
To investigate the properties of transepithelial ion transport (sweat test).
Time Frame: Assessments at 12 months
Assessments at 12 months
To evaluate the long term overall safety and tolerability of Omega-3 EFA supplementation in CF patients.
Time Frame: Assessment at 3-6-9 and 12 months
Assessment at 3-6-9 and 12 months

Collaborators and Investigators

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

Sponsor

Investigators

  • Principal Investigator: Laurence Hanssens, MD, Queen Fabiola Children's University Hospital

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

October 1, 2008

Primary Completion (ACTUAL)

June 1, 2011

Study Registration Dates

First Submitted

August 13, 2009

First Submitted That Met QC Criteria

August 13, 2009

First Posted (ESTIMATE)

August 14, 2009

Study Record Updates

Last Update Posted (ESTIMATE)

October 21, 2015

Last Update Submitted That Met QC Criteria

October 20, 2015

Last Verified

October 1, 2015

More Information

Terms related to this study

Other Study ID Numbers

  • HU01/PNE/MUCO1
  • 2006-004155-38

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.

Clinical Trials on Cystic Fibrosis

Clinical Trials on omega-3 triglycerides

Search Similar Trials