Enhanced Gel Ophthalmic Formulations of Pilocarpine and Brimonidine Compounds for Presbyopia Treatment

Publication ID: 24-11857539_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Gel Ophthalmic Formulations of Pilocarpine and Brimonidine Compounds for Presbyopia Treatment,” Published Technical Disclosure No. 24-11857539_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857539_0001_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

This inventive concept improves the original gel ophthalmic formulations of pilocarpine and brimonidine compounds by introducing novel enhancements that address limitations of the original patent, providing better efficacy, safety, and patient comfort in presbyopia treatment.

Background and Problem Solved

The original patent disclosed gel ophthalmic formulations of pilocarpine and brimonidine compounds for treating presbyopia. However, these formulations had limitations, such as inconsistent dosing, pH-dependent degradation, and potential ocular side effects. This new inventive concept addresses these limitations by introducing precision dosing devices, pH-adjusting excipients, novel buffer systems, and soothing agents, enhancing the overall efficacy and safety of the formulations.

Detailed Description of the Inventive Concept

The new inventive concept comprises four key enhancements to the original gel ophthalmic formulations. Firstly, a precision dosing device ensures accurate and consistent dosing, reducing the risk of under- or over-dosing. Secondly, a pH-adjusting excipient optimizes the pH range for maximum bioavailability of the active pharmaceutical ingredients. Thirdly, a novel buffer system minimizes the pH-dependent degradation of the pilocarpine and brimonidine compounds. Lastly, a soothing agent is incorporated to reduce irritation and discomfort associated with the use of these compounds. These enhancements work in synergy to provide better efficacy, safety, and patient comfort in presbyopia treatment.

Novelty and Inventive Step

The new claims introduce several novel and non-obvious features compared to the original patent, including the use of precision dosing devices, pH-adjusting excipients, novel buffer systems, and soothing agents. These features provide a significant improvement over the original formulations, addressing specific limitations and providing better outcomes for patients.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using different types of precision dosing devices, such as micro-needles or iontophoresis systems. Additionally, various pH-adjusting excipients or buffer systems could be employed to optimize the formulation's performance. Furthermore, different soothing agents or combinations of agents could be used to minimize ocular side effects.

Potential Commercial Applications and Market

The enhanced gel ophthalmic formulations of pilocarpine and brimonidine compounds have significant commercial potential in the ophthalmic industry, particularly in the treatment of presbyopia. The market for presbyopia treatment is growing rapidly, driven by an aging population and increasing demand for effective and safe treatments. This inventive concept addresses a specific need in the market, providing a competitive advantage for companies that develop and commercialize these formulations.

Original Patent Information

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