A Fatty Acids Study in Preventing Retinopathy of Prematurity

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-03-31

Study Completion Date

2015-09-30

Brief Summary

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Most fatty acids, important for development and especially the Omega-3 fatty acids for the brain development are transferred in the third trimester with means that in the premature infant this transport via the placenta is interrupted and the infant is dependent on the concentrations in breast milk which vary depending on the mother's diet and her stores. It has even been suggested that low Omega-3 would be a cause of premature delivery. Many countries have much higher levels of Omega-3 fatty acids in breast milk than found in Sweden and breast milk substitutions are generally now supplemented with the Long Chained Poly Unsaturated Fatty Acids (LCPUFA). Therefore the supplementation to be given can not be seen to give any risks for the infant. On the contrary, several studies have shown that mother who eat equal to or less than twice fish a week during pregnancy give birth to infants with impaired development.

Low Omega-3 levels in premature infants between gestational ages of 23 and 40 weeks can be one reason for Retinopathy of Prematurity (ROP) development. Restoration of Omega-3, Dokosahexaenacid (DHA) and Eikosapentaenacid (EPA) to normal in utero levels may prevent ROP by allowing normal vessel growth and survival. An increase of Omega-3 levels bringing levels to within physiological range may prevent development of ROP.

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Detailed Description

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The study is a Randomised Intervention, Single-Center Study to Determine the Role of Fatty Acids in Serum and Breast Milk in preventing Retinopathy of Prematurity.

Subjects who meet all inclusion and none of the exclusion criteria will be enrolled into the study. Upon entry into the study, subjects will be randomized and given a unique subject number.

A randomised intervention study of 45+45 infants without major malformations born with a gestational age less than 28 weeks + 0 days will be performed.

Randomization of the patients to either:

1. Conventional fatty acid supplementation regime with Clinoleic (with Vitalipid infant and Soluvit supplementation) to the preterm infant

Or
2. SMOFlipid, (soybean oil, medium chain triglycerides, olive oil and fish oil),(with Vitalipid infant and Soluvit supplementation), where the quotient of Omega 6:3 is 2.5:1 in order to mimic the physiologic relation of fatty acids in cord blood from birth, to the preterm infant.

Thus there is one group of infants (n=45) that will receive Omega-3 in the fatty acid supplementation.

The time on parenteral nutrition and the amount of fatty acids given will be according to clinical routines.

The randomization of the patients will be performed by the controller of the study. Randomization will be in blocks with 10 children in each block.

Data collection

After the investigators have received informed consent from the parents/guardians, blood samples 0.2 ml from the child will be taken according to present clinical practice at if possible from cord (2ml) and at days 0, 7, 14, 28 and in postmenstrual weeks 32, 36 and 40. Blood samples from the mothers for Fatty Acids analyses will be taken after birth, day 7 and at gestational weeks 36 and 40. At the same time (except from day 1), breast milk samples are taken. Length in cm, weight in gram and head circumference in cm are measured weekly.

Screening for ROP will be performed, at least once a week, according to clinical routines using a specific protocol.

The investigators intend to analyze the content of phospholipids which can be done on small amounts of blood, is relatively insensitive to short term fluctuations in intake and mirror the composition of many membranes in the body. The analyses will be made using gas-liquid chromatography. The method has a coefficient of variability of 1-3% for the Fatty Acids concerned.

Conditions

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Retinopathy of Prematurity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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