Polymicrobial Infection Detection and Targeted Antibiotic Selection

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Solution Overview

Problem

Current methods for treating polymicrobial infections often fail to account for interactions between multiple pathogens, leading to inappropriate antibiotic selection due to unknown resistance patterns, resulting in treatment failures or overuse of stronger antibiotics.

Innovation Solution

The development of methods to detect and treat polymicrobial infections by identifying specific combinations of microbes, such as Klebsiella pneumoniae and coagulase-negative Staphylococcus, and selecting antibiotics like amoxicillin/clavulanate, ceftriaxone, ciprofloxacin, levofloxacin, gentamicin, or TMP/sulfamethoxazole based on reduced resistance odds, providing healthcare providers with a report to guide appropriate antibiotic choice.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional antibiotic selection methods are used for polymicrobial infections, then treatment simplicity is maintained, but treatment effectiveness deteriorates due to inappropriate antibiotic selection

Engineering Contradiction:
Improvetreatment effectivenessVSAvoiddiagnosis complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The invention segments the complex polymicrobial infection problem into individual pathogen identification and interaction effect analysis. By detecting specific pathogen combinations and their interaction effects on antibiotic resistance, the system provides targeted treatment recommendations that improve effectiveness without requiring clinicians to manage the full complexity themselves.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention introduces an intermediary diagnostic system that analyzes pathogen interactions and predicts antibiotic resistance patterns. This intermediary tool bridges the gap between complex microbial interactions and simple clinical decision-making, providing actionable recommendations without requiring clinicians to directly analyze complex microbial ecology.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If antibiotic resistance patterns are not considered, then treatment decision speed is maintained, but treatment outcomes worsen due to resistance

Engineering Contradiction:
Improvetreatment outcomeVSAvoiddecision time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The invention performs preliminary analysis of antibiotic resistance patterns caused by pathogen interactions before treatment decisions are made. By pre-calculating interaction effects and resistance probabilities for different pathogen combinations, the system provides ready-to-use treatment recommendations that account for resistance without adding decision time.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention incorporates feedback mechanisms that provide treatment outcome data back to the diagnostic system. This feedback loop allows the system to refine its predictions of interaction effects and resistance patterns, improving treatment reliability while maintaining rapid decision-making through increasingly accurate algorithmic predictions.

Inventive Principle:
Principle #23Feedback

3Reliability

If stronger antibiotics are used to ensure effectiveness, then treatment reliability improves, but harmful side effects increase due to overuse

Engineering Contradiction:
Improvetreatment reliabilityVSAvoidside effects
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention changes the decision parameter from blanket use of strong antibiotics to targeted selection based on predicted resistance patterns. By analyzing pathogen interaction effects and calculating specific resistance probabilities, the system identifies the minimum effective antibiotic strength needed, improving reliability while reducing unnecessary exposure to strong antibiotics and their side effects.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20240425897A1Methods for treating polymicrobial infections
Publication Date: 2024.12.26 CAP DIAGNOSTICS LLC
  • US20240425897A1 patent drawing
  • US20240425897A1 patent drawing
  • US20240425897A1 patent drawing

AI summary

Methods for detecting and treating polymicrobial infections, wherein a mixed population of microbes (e.g., bacteria) are present in a patient sample and the microbes are not first isolated from the sample. For example, the present invention describes specific polymicrobial infections and methods of treating said infections, wherein a particular antibiotic or a group of antibiotics are selected based on the composition of the polymicrobial infections.