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Clinical Trial Summary

The purpose of this study was to evaluate the safety of a probiotic foodstuff and its influence on emergence and development of natural intestinal flora and the clinical status of premature very low birth weight neonates. The study was also intended to investigate reduction of colonisation by pathogenic bacteria and to estimate the incidence of gastrointestinal disorders.

Probotic bacteria contained in the investigational product administered directly after birth are beneficial for the development of normal gut microflora and can prevent or significantly limit gastrointestinal colonisation by pathogenic bacteria and the development of pathogenic flora in a hospital setting. Permanent colonisation with commensal flora in very early life improves gastrointestinal function in premature neonates by reducing the onset of or by decreasing the severity of the signs and symptoms of feeding intolerance and generalised bacterial infections, including sepsis and necrotizing enterocolitis.


Clinical Trial Description

Neonates defined as having very low birth weight (VLBW) are found to have a number of conditions typical for this period of life and body weight at birth. Perinatal and neonatal infections are relatively common in these babies, which can be attributed to their immunological immaturity (immature cellular or humoral immune responsiveness) and insufficient gastrointestinal tract colonisation by non-pathogenic bacteria, the presence of which depends on the type of delivery, feeding and environment in which the neonates are nursed.

Neonates admitted to neonatal intensive care units, particularly low birth-weight neonates born prematurely or with congenital disorders, are most susceptible. Probiotics administered to neonates are known to compete with pathogenic bacteria for essential nutrients and receptor sites, and to enzymatically modify toxin receptors. They are also known to produce antimicrobial substances, acidify the intestinal environment and stimulate the immune system, helping it reach full maturity. These are the reasons why intestinal microflora normalisation with the help of probiotics can be beneficial for VLBW neonates, especially those requiring intensive medical care.

In a review of clinical studies on the use of probiotics in NEC prevention in neonates, demonstrated beneficial effects of probiotics in a group of VLBW neonates compared to placebo. There are scientific reasons to believe that probiotics administered to neonates modulate the composition of the gut flora colonising the intestinal tract and are beneficial for the development and maturity of the immune system. In hitherto clinical studies, specific probiotic strains were found to provide beneficial effects by limiting infections in the neonatal period, including necrotizing enterocolitis in VLBW neonates.

The purpose of this multicentre, randomized study was to investigate whether the use of a probiotic preparation containing Lactobacillus rhamnosus KL53A and Bifidobacterium breve PB04 influence on emergence and development of natural intestinal flora and the clinical status of premature very low birth weight neonates and reduction of colonisation by pathogenic bacteria and to estimate the incidence of gastrointestinal disorders. The study took place between April 2012 and July 2013 in eight study centres in Poland. It was conducted in accordance with the original protocol and according to ICH-GCP requirements.

The duration of subject's participation in the trial was approximately 49 days, or until they were withdrawn or discharged from the hospital, whichever came earlier, prior to day 49.

As the trial did not concern medicinal product but the foodstuff (food for special medical purpose) it did not require Authority approval but was only subject to relevant Ethics Committee approval.

The study only included neonates who fulfilled the eligibility criteria, after obtaining an informed consent from their parents/legal guardians, to have their baby enrolled in the study and randomized into one of the two study groups: probiotic or placebo. Investigational product were administered during the first 48h of life, at the time of the enteral feed.

Efficacy evaluation was to determine whether the investigational product positively influences the emergence and progressive development of the natural gut flora and the clinical status of preterm VLBW neonates. As part of the efficacy evaluation, it was also examined whether the probiotic agent has the capacity to inhibit pathogenic colonisation and to reduce the incidence of gastrointestinal disorders, as compared to placebo.

Safety was evaluated by determining whether investigational product in VLBW preterm neonates increases AE/SAE incidence and influences the type of adverse events and serious adverse events as compared to placebo. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Supportive Care


Related Conditions & MeSH terms


NCT number NCT02073214
Study type Interventional
Source IBSS Biomed S.A.
Contact
Status Completed
Phase N/A
Start date April 2012
Completion date December 2013

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