Cannabinoid Lip-Balm for HSV Skin Penetration

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Solution Overview

Problem

Current topical treatments for herpes simplex virus (HSV) infections, such as those using acyclovir, have limited efficacy due to poor skin penetration and high rates of viral resistance, necessitating the development of more effective and less toxic antiviral compositions.

Innovation Solution

Topical antiviral compositions containing therapeutically effective amounts of cannabinoids, such as tetrahydrocannabinol (THC) and cannabidiol (CBD), in forms like lip-balm, cream, or ointment, which are applied directly to the skin or mucosa to treat and prevent HSV infections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If topical acyclovir is applied to treat HSV infections, then viral replication is inhibited and healing time is shortened, but skin penetration is poor and viral resistance develops

Engineering Contradiction:

Improveantiviral efficacyVSAvoidskin penetration limitation

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameters of the antiviral agent by using cannabinoids (THC, CBD) instead of acyclovir. These cannabinoids have different physicochemical properties including better lipophilicity that enables improved skin penetration while maintaining antiviral activity against HSV infections.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention creates a composite topical formulation combining cannabinoids with penetration enhancers and formulation excipients. This composite material system works synergistically to achieve both deep skin penetration and effective antiviral action, overcoming the limitations of single-component treatments.

Inventive Principle:

Principle #40Composite materials

2Reliability

If topical acyclovir is applied to treat HSV infections, then viral replication is inhibited, but the treatment lacks efficacy compared to oral administration

Engineering Contradiction:

Improveantiviral efficacyVSAvoidtopical absorption

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent introduces penetration enhancers as intermediary substances that facilitate the transfer of cannabinoids through the skin barrier. These mediators temporarily alter the skin's permeability properties, allowing the antiviral cannabinoids to reach therapeutic concentrations in the target tissue without requiring oral administration.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of operation

If current topical treatments are used for HSV infections, then some symptom relief is achieved, but patient satisfaction is poor due to limited efficacy

Engineering Contradiction:

Improvepatient satisfactionVSAvoidtreatment efficacy

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The invention changes multiple parameters simultaneously: using different antiviral agents (cannabinoids), optimizing formulation vehicle properties, and adjusting concentration levels. This multi-parameter optimization achieves both improved efficacy and maintained ease of topical application, thereby increasing patient satisfaction.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS10894069B2Topical antiviral formulations and methods of using the same

Publication Date: 2021.01.19 MCELVANY CHRISTOPHER A

AI summary

Antiviral pharmaceutical compositions comprising one or more cannabinoid compounds in the form of lip-balms, creams and ointments. A specific embodiment provides a topical composition formulated as a lip-balm.