Acoustic Cluster Therapy for Targeted Antimicrobial Delivery
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Solution Overview
Problem
Current antimicrobial agents often require high doses due to low efficacy, leading to increased drug resistance and severe side effects, posing a significant global health concern and economic burden.
Innovation Solution
Acoustic Cluster Therapy (ACT) uses a microbubble/microdroplet cluster composition with ultrasound mediation to target and increase the uptake of antimicrobial agents at infection sites, reducing the required dosage and minimizing side effects by facilitating localized delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high doses of antimicrobial agents are administered to achieve therapeutic effect, then efficacy is improved, but drug resistance increases and side effects worsen
Solution Approach 1:
The patent applies local quality by using microbubbles to concentrate the antimicrobial agent specifically at the infection site rather than distributing it systemically throughout the body. The microbubbles accumulate at the target location, creating a high local concentration of the drug where it is needed, while maintaining low systemic concentrations that minimize side effects and drug resistance development.
Solution Approach 2:
The microbubbles serve as an intermediary carrier that transports the antimicrobial agent to the infection site. These microbubbles act as a mediator between the administered drug and the target pathogens, enabling localized delivery through ultrasound-mediated mechanisms such as cavitation and sonoporation, which facilitate drug penetration into infected tissues.
2Reliability
If high doses of antimicrobial agents are administered to ensure therapeutic effect, then infection treatment is improved, but toxicity increases
Solution Approach 1:
The microbubble-mediated delivery system creates a stark contrast in drug concentration between the local infection site (high concentration) and the rest of the body (low concentration). This local quality approach ensures that the therapeutic effect is achieved where needed while minimizing toxic exposure to healthy tissues and organs.
Solution Approach 2:
The patent segments the drug delivery process into targeted microbubble carriers that selectively accumulate at the infection site. This segmentation allows the antimicrobial agent to be delivered in a controlled, localized manner rather than as a uniform systemic distribution, thereby reducing overall toxic exposure while maintaining effective treatment.
3Adaptability or versatility
If conventional systemic treatment is used to treat localized infection, then broad coverage is achieved, but drug utilization efficiency decreases
Solution Approach 1:
The patent extracts the antimicrobial agent from systemic circulation and concentrates it specifically at the infection site using microbubble carriers. This extraction approach eliminates the waste of drug substance that occurs with conventional systemic treatment, where the majority of the administered drug does not reach the target pathogens.
Solution Approach 2:
By implementing local quality through targeted microbubble delivery, the patent ensures that the antimicrobial agent is concentrated precisely where it is needed - at the localized infection site. This approach maintains the adaptability to treat the specific infection while dramatically improving drug utilization efficiency by minimizing unutilized drug in the body.
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
ACT enhances the therapeutic effect of antimicrobial agents by increasing their concentration at infection sites, prolonging their presence, and reducing systemic toxicity, thereby addressing drug resistance and side effects while offering potential economic benefits.
Implementation Method 1
activating a phase shift of the diffusible component of the second component of the cluster composition from step (ii) by ultrasound insonation of a region of interest within said subject
Implementation Method 2
facilitating extravasation of the antimicrobial agents administered in step (i) by further ultrasound insonation of the region of interest
Data Source
AI summary
The present invention relates to ultrasound mediated delivery of antimicrobial agents to sites of infection, and particularly for treatment of infections. Thus, the invention provides a cluster composition and a pharmaceutical composition, for use in delivery and preparation for administration of antimicrobial agents and treatment of infections.