Triple-Active Topical Gel for Stable Acne Combination Therapy

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Solution Overview

Problem

Current acne treatments, such as combinations of benzoyl peroxide, clindamycin, and retinoids, suffer from unpredictable chemical interactions, efficacy, and side effects, making it difficult to design effective formulations without unacceptable side effects.

Innovation Solution

A topical gel formulation containing a fixed combination of benzoyl peroxide, clindamycin phosphate, and adapalene, with specific concentrations and additives, is administered once daily to enhance efficacy and stability, minimizing side effects and simplifying application regimens.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If combination therapies with multiple acne treatments are used, then treatment efficacy is improved, but chemical interactions and unpredictability increase

Engineering Contradiction:
Improvetreatment efficacyVSAvoidchemical interaction complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines three acne treatments (benzoyl peroxide, clindamycin, and adapalene) into a single topical gel formulation. This merging approach allows all three active ingredients to work synergistically in one product, improving treatment efficacy while simplifying the application regimen for patients. The gel base serves as a compatible vehicle that accommodates all three ingredients without significant chemical interactions.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The invention creates a composite pharmaceutical formulation by integrating multiple active ingredients with different mechanisms of action into one gel matrix. The gel base acts as a composite material that can deliver benzoyl peroxide (oxidizing agent), clindamycin (antibiotic), and adapalene (retinoid) simultaneously, allowing their combined therapeutic effects while maintaining formulation stability.

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If multiple acne treatments are administered separately, then chemical compatibility is maintained, but application convenience deteriorates

Engineering Contradiction:
Improvechemical incompatibilityVSAvoidapplication convenience
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The patent merges three separate acne treatments into one topical gel that can be applied once daily. This eliminates the need for patients to apply multiple products at different times, significantly improving ease of operation and patient compliance while the gel base ensures chemical compatibility among all ingredients.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If high concentrations of benzoyl peroxide are used, then acne treatment efficacy is improved, but local irritation increases

Engineering Contradiction:
Improveacne treatment efficacyVSAvoidlocal irritation
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention uses a gel base as a composite material that can deliver benzoyl peroxide at effective concentrations while the gel matrix and other ingredients in the formulation help mitigate irritation. The combination with clindamycin and adapalene provides synergistic acne treatment, potentially allowing for optimized benzoyl peroxide concentrations that balance efficacy and tolerability.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS12616710B2Topical compositions
Publication Date: 2026.05.05 BAUSCH HEALTH IRELAND LTD

AI summary

The disclosure provides a topical gel formulation comprising 1-1.5 wt. % clindamycin phosphate, 2.5-3.5 wt. % benzoyl peroxide, and 0.1-0.2 wt. % adapalene, in combination with a gelling agent, a polyhydric alcohol, and water, useful in treating inflammatory skin conditions, including acne, together with methods of making and using the same.