Novel Applications of Pilocarpine-Brimonidine Formulations Beyond Ophthalmology

Publication ID: 24-11857539_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Novel Applications of Pilocarpine-Brimonidine Formulations Beyond Ophthalmology,” Published Technical Disclosure No. 24-11857539_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857539_0002_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,539.

Summary of the Inventive Concept

Expanding the therapeutic potential of pilocarpine-brimonidine formulations to treat various dermatological and cosmetic conditions, leveraging the unique properties of these compounds to address unmet needs in skin health, hair growth, and acne treatment.

Background and Problem Solved

The original patent disclosed gel ophthalmic formulations of pilocarpine and brimonidine compounds for treating ophthalmic conditions. However, the therapeutic potential of these compounds extends beyond ophthalmology. The inventive concept addresses the limitations of the original patent by exploring new applications of pilocarpine-brimonidine formulations in dermatology and cosmetics, providing innovative solutions for treating skin conditions, hair loss, and acne.

Detailed Description of the Inventive Concept

The novel applications of pilocarpine-brimonidine formulations involve topical gel compositions containing a pilocarpine compound and a brimonidine compound. These formulations are designed to reduce inflammation, promote skin health, stimulate collagen production, improve skin elasticity, and treat hair loss and acne. The pilocarpine compound and brimonidine compound work synergistically to provide therapeutic benefits, with the pilocarpine compound enhancing the penetration of the brimonidine compound into the skin or scalp. The formulations can be tailored to specific skin types and conditions, and may be combined with other active ingredients to enhance their efficacy.

Novelty and Inventive Step

The inventive concept's novelty lies in the unexpected application of pilocarpine-brimonidine formulations to dermatological and cosmetic conditions, beyond their original use in ophthalmology. The inventive step involves the recognition of the therapeutic potential of these compounds in these new areas, and the development of novel formulations and methods of use that address specific unmet needs in skin health, hair growth, and acne treatment.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may involve different formulations, such as creams, ointments, or serums, or different routes of administration, such as oral or injectable formulations. Variations may include the use of different pilocarpine or brimonidine compounds, or the addition of other active ingredients to enhance the formulations' efficacy or tolerability.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the dermatology and cosmetics markets, where there is a growing demand for innovative, effective, and safe treatments for skin conditions, hair loss, and acne. The market for these conditions is substantial, with projected growth driven by increasing consumer awareness and demand for preventative and therapeutic solutions.

Field of Art

Pharmaceutical formulations, specifically topical and ophthalmic drug delivery systems with a focus on compound combinations for therapeutic applications

Person of Ordinary Skill (PHOSITA) Profile

A pharmaceutical scientist or formulation expert with advanced degree (PhD/PharmD), expertise in drug delivery mechanisms, compound interactions, and ability to explore alternative therapeutic applications of known pharmaceutical compounds

Obviousness Rationale

A PHOSITA would recognize the inherent potential of pilocarpine-brimonidine compounds to have broader therapeutic applications beyond ophthalmology based on their known pharmacological properties. The transition from ophthalmic to dermatological use represents a predictable extension of the compounds' known physiological interactions. The source patent's detailed characterization of compound interactions provides a clear technical foundation for exploring alternative delivery methods and therapeutic contexts.

Obvious Combinations & Variations

Source Patent Element
Gel-based ophthalmic composition containing pilocarpine hydrochloride and brimonidine
PTD Variation
Topical dermatological gel formulation using same compound combination
Obviousness Reasoning
Predictable modification of existing gel delivery system to alternative tissue application, representing a routine design choice for a skilled formulator
Source Patent Element
Compound concentration ranges (1.15%-1.7% w/v pilocarpine)
PTD Variation
Adapting concentration ranges for skin/scalp application
Obviousness Reasoning
Routine optimization of known concentration parameters for different tissue absorption characteristics
Source Patent Element
Pharmaceutical composition for treating ocular conditions
PTD Variation
Expanded therapeutic targets including skin inflammation, hair growth, acne treatment
Obviousness Reasoning
Logical extension of known compound interactions to address related physiological processes using established pharmaceutical formulation techniques
Source Patent Element
Mammalian tissue administration method
PTD Variation
Alternative topical administration routes beyond ocular surface
Obviousness Reasoning
Predictable exploration of compound delivery mechanisms across similar biological interfaces
Source Patent Element
Compound combination with synergistic properties
PTD Variation
Investigating synergistic effects in dermatological contexts
Obviousness Reasoning
Standard scientific approach of exploring compound interactions across different physiological domains
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857539, a person having ordinary skill in pharmaceutical formulation would find the disclosed dermatological applications of pilocarpine-brimonidine compositions obvious, as the source patent provides comprehensive guidance on compound interactions, gel delivery mechanisms, and therapeutic targeting that would naturally suggest exploration of alternative tissue applications through routine scientific investigation.

Original Patent Information

Patent NumberUS 11,857,539
TitleGel ophthalmic formulations of pilocarpine and brimonidine compounds and related methods
Assignee(s)Somerset Therapeutics, LLC