Ionizable PEG-Lipid Nanoparticles for Safer Gene Editing Delivery

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Solution Overview

Problem

Existing lipid-based transport vehicles for therapeutic agents face challenges in safety, efficacy, and specificity, necessitating the development of new lipids to improve encapsulation and delivery efficiency.

Innovation Solution

Novel amino lipids and PEG-lipids are developed, which are incorporated into lipid nanoparticles, along with other components like neutral lipids, sterols, and nucleic acid stabilizers, to enhance the safety and specificity of therapeutic agent delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing lipid-based transport vehicles are used, then therapeutic agents can be delivered to cells, but safety and specificity are insufficient

Engineering Contradiction:

Improvesafety and specificity of deliveryVSAvoidencapsulation and delivery efficiency

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent modifies the chemical structure of lipids by introducing novel amino lipids with specific molecular weights, degrees of unsaturation, and headgroup compositions. These parameter changes in lipid structure enable improved safety profiles and enhanced specificity for target cell delivery while maintaining encapsulation efficiency

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention creates composite lipid formulations by combining multiple lipid components including amino lipids, neutral lipids, and PEGylated lipids in specific ratios. This composite approach synergistically improves both the safety/specificity profile and the encapsulation/delivery efficiency, resolving the technical contradiction

Inventive Principle:

Principle #40Composite materials

2Productivity

If lipid formulations are optimized for encapsulation efficiency, then delivery efficiency improves, but safety concerns arise

Engineering Contradiction:

Improveencapsulation and delivery efficiencyVSAvoidsafety

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by designing lipids with specific functional regions: hydrophobic tails for membrane integration, ionizable headgroups for pH-responsive behavior, and PEGylated sections for steric stabilization. This localized functional differentiation enables high delivery efficiency while minimizing safety concerns through controlled interaction with biological systems

Inventive Principle:

Principle #3Local quality

3Reliability

If new lipids are developed to improve safety and specificity, then delivery reliability increases, but formulation complexity increases

Engineering Contradiction:

Improvesafety and specificityVSAvoidformulation complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The novel amino lipids described in the patent are designed to perform multiple functions simultaneously: they provide structural integrity to the nanoparticle, enable pH-responsive endosomal escape, facilitate cellular uptake, and control cargo release. This multi-functionality reduces the need for multiple separate components, thereby managing formulation complexity while improving safety and specificity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250340506A1Lipid formulations for gene editing

Publication Date: 2025.11.06 VERVE THERAPEUTICS INC

AI summary

The present disclosure relates to PEG-lipids, cationic and/or ionizable lipids and nucleic acid-lipid particle compositions comprising the same. The present disclosure also relates to methods of making, using and delivering the described lipids and lipid-containing particles.