Enhanced Pharmaceutical Composition and Process for Canagliflozin

Publication ID: 24-11857559_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Pharmaceutical Composition and Process for Canagliflozin,” Published Technical Disclosure No. 24-11857559_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857559_0006_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. 11,857,559.

Summary of the Inventive Concept

A novel pharmaceutical composition and process for Canagliflozin, providing improved stability, bioavailability, and manufacturing efficiency, overcoming limitations of existing compositions.

Background and Problem Solved

The original patent disclosed a pharmaceutical composition comprising Canagliflozin, but it had limitations such as instability, low bioavailability, and time-consuming manufacturing processes. The new inventive concept addresses these limitations by introducing novel excipients, solvents, and manufacturing processes, enhancing the overall performance of the composition.

Detailed Description of the Inventive Concept

The new inventive concept comprises a pharmaceutical composition of Canagliflozin with a novel binder-free excipient, granulated using a unique solvent system, and formulated with a novel combination of lubricants to enhance tablet compression. Additionally, the composition can be coated with a novel enteric coating to delay release in the gastrointestinal tract. The manufacturing process is optimized with a novel granulation process that reduces processing time by at least 30%. Furthermore, the composition can be administered with a novel solubility enhancer to increase absorption, improving bioavailability.

Novelty and Inventive Step

The new claims introduce novel and non-obvious improvements over the original patent, including the use of binder-free excipients, unique solvent systems, and novel lubricant combinations. These innovations provide significant advantages in terms of stability, bioavailability, and manufacturing efficiency.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the ratio of Canagliflozin to excipients, using different solvents or granulation processes, or incorporating additional ingredients to enhance performance. Variations of the composition could be designed for specific patient populations or therapeutic indications.

Potential Commercial Applications and Market

The enhanced pharmaceutical composition and process for Canagliflozin have significant commercial potential in the treatment of type 2 diabetes and other metabolic disorders. The improved stability, bioavailability, and manufacturing efficiency of the composition make it an attractive option for pharmaceutical companies and healthcare providers, with a potential market size in the billions of dollars.

Field of Art

Pharmaceutical formulation and drug delivery, specifically focused on sodium-dependent glucose transporter inhibitor compositions, requiring expertise in pharmaceutical chemistry, excipient selection, and drug formulation techniques

Person of Ordinary Skill (PHOSITA) Profile

A pharmaceutical formulation scientist with advanced degree (MS/PhD) in pharmaceutical sciences, 3-5 years experience in drug development, familiar with excipient interactions, granulation techniques, and tablet manufacturing processes

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering solutions to known pharmaceutical formulation challenges, utilizing standard pharmaceutical techniques to incrementally improve the original Canagliflozin composition. The modifications involve routine optimization strategies commonly employed in pharmaceutical development, such as adjusting excipient ratios, exploring alternative granulation methods, and enhancing bioavailability through standard pharmaceutical approaches.

Obvious Combinations & Variations

Source Patent Element
Binder-free stable amorphous Canagliflozin composition with specific excipient ratios
PTD Variation
Novel binder-free excipient system with modified solvent granulation approach
Obviousness Reasoning
Routine pharmaceutical engineering optimization using known excipient interaction principles and standard granulation techniques
Source Patent Element
Tablet composition with specific lubricant components
PTD Variation
Novel lubricant combination to enhance tablet compression characteristics
Obviousness Reasoning
Predictable variation using known pharmaceutical excipients to improve tablet manufacturing performance
Source Patent Element
Basic pharmaceutical composition with potential coating
PTD Variation
Enteric coating to modify drug release characteristics in gastrointestinal tract
Obviousness Reasoning
Well-established pharmaceutical technique for modifying drug absorption and protecting sensitive compounds
Source Patent Element
Standard Canagliflozin pharmaceutical formulation
PTD Variation
Manufacturing process reducing processing time by 30%
Obviousness Reasoning
Typical process optimization using known pharmaceutical engineering principles
Source Patent Element
Basic pharmaceutical composition
PTD Variation
Addition of solubility enhancer to improve bioavailability
Obviousness Reasoning
Conventional pharmaceutical approach to addressing drug absorption limitations using known solubilization strategies
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857559, a person having ordinary skill in pharmaceutical formulation would find the variations disclosed in the Published Technical Disclosure to represent obvious extensions of existing pharmaceutical composition techniques, lacking inventive step under 35 U.S.C. ยง 103 and therefore constituting valid prior art against subsequent patent claims covering substantially similar pharmaceutical composition methodologies.

Original Patent Information

Patent NumberUS 11,857,559
TitlePharmaceutical composition comprising Canagliflozin, process of preparation and use thereof
Assignee(s)Aurobindo Pharma Ltd