Probiotic Colonization for Long-Term Infant Diarrhea Prophylaxis

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Solution Overview

Problem

Infectious diarrhea remains a significant concern for infants and young children, with existing probiotic interventions providing only short-term relief, and there is a need for a long-term prophylactic solution to reduce the incidence of diarrhea during critical developmental periods.

Innovation Solution

The use of a specific combination of probiotic Lactobacillus rhamnosus and Bifidobacterium longum in infant formulas or nutritional compositions administered during the first three to four months of life, which can persist in reducing diarrhea episodes for at least eight months after cessation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing probiotic interventions are used, then diarrhea symptoms are relieved, but the protection is only short-term

Engineering Contradiction:

Improvediarrhea protection effectivenessVSAvoidduration of protection

Core Design Contradiction:

ReliabilityVSDuration of action of moving object

Solution Approach 1:

The probiotic bacteria are administered to infants during the first three to four months of life, establishing colonization in the gut microbiota before the high-risk period for infectious diarrhea begins. This preliminary establishment of protective flora provides long-term immunity that extends at least eight months after cessation of administration, rather than providing only temporary symptom relief.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If probiotic bacteria are administered during critical developmental periods, then long-term immunity is established, but the administration period is limited

Engineering Contradiction:

Improvelong-term diarrhea prophylaxisVSAvoidadministration duration

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The invention utilizes the critical window of the first three to four months of life when the infant gut is being colonized and the immune system is developing. By administering probiotic bacteria during this formative period, the bacteria establish permanent or long-lasting colonization that provides protective immunity well beyond the administration period, maximizing the benefit-to-duration ratio.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The probiotic bacteria, once established in the infant gut during the first few months, continue to provide protective effects independently for at least eight months after cessation of administration. The established flora maintains itself and provides ongoing protection without requiring continuous external intervention, effectively serving the infant's health needs autonomously.

Inventive Principle:

Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The combination of probiotic Lactobacillus rhamnosus and Bifidobacterium longum significantly reduces diarrhea incidence not only during administration but also for several months afterward, offering long-term health benefits and addressing the discomfort and inconvenience associated with diarrhea episodes.

Implementation Method 1

specific strains of the genera Lactobacilli and Bifidobacteria have been found to be able to colonise the intestinal mucosa

Methodology Applied

Scientific EffectProbiotic colonization:

Implementation Method 2

reduce the capability of pathogenic bacteria to adhere to the intestinal epithelium

Methodology Applied

Scientific EffectCompetitive exclusion:

Data Source

PatentEP2142198B1Reduction of risk of diarrhoea

Publication Date: 2014.01.22 NESTEC SA

AI summary

The use of a probiotic Lactobacillus rhamnosus<