Enhanced Nanomedicinal Composition for Breast Cancer Treatment

Publication ID: 24-11857639_0001_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Nanomedicinal Composition for Breast Cancer Treatment,” Published Technical Disclosure No. 24-11857639_0001_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857639_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. 11,857,639.

Summary of the Inventive Concept

An advanced nanomedicinal composition with improved targeting, delivery, and efficacy for breast cancer treatment, overcoming limitations of existing compositions.

Background and Problem Solved

The original patent disclosed a nanomedicinal composition for breast cancer treatment, but it had limitations in terms of targeting, immunogenicity, and sustained release. The new inventive concept addresses these limitations by introducing functionalized porous silicate matrices, hierarchical structures, biocompatible coatings, and sustained release mechanisms.

Detailed Description of the Inventive Concept

The new inventive concept comprises a nanomedicinal composition with a porous silicate matrix functionalized with a targeting moiety, ensuring enhanced delivery to cancer cells. The matrix has a hierarchical structure, increasing its surface area for improved loading capacity. The composition is loaded with a pharmaceutical agent mixture and particles of a magnetic ferrite, and coated with a biocompatible polymer to reduce immunogenicity. The composition is designed to release the pharmaceutical agent mixture in a sustained manner over a period of at least 24 hours. Additionally, the composition can be labeled with a fluorescent marker for real-time tracking of its biodistribution.

Novelty and Inventive Step

The new claims introduce novel features such as functionalized porous silicate matrices, hierarchical structures, biocompatible coatings, and sustained release mechanisms, which are not present in the original patent. These features provide an inventive step by addressing the limitations of the original composition and improving its efficacy and safety.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include different types of targeting moieties, varying hierarchical structures, and diverse biocompatible coatings. Additionally, the composition could be adapted for treating other types of cancer or diseases.

Potential Commercial Applications and Market

The enhanced nanomedicinal composition has significant commercial potential in the breast cancer treatment market, with potential applications in other cancer types and diseases. The market for nanomedicinal compositions is growing, driven by the need for more effective and targeted treatments.

CPC Classifications

SectionClassGroup
A A61 A61K47/6923
A A61 A61K31/138
A A61 A61K31/282
A A61 A61K33/243
A A61 A61K47/10
A A61 A61K2121/00
A A61 A61K2800/47
B B82 B82Y5/00
B B82 B82Y25/00
B B82 B82Y30/00
B B82 B82Y40/00

Field of Art

Nanomedicine, pharmaceutical composition design, cancer treatment technologies, with expertise in nanocarrier development, drug delivery systems, and targeted therapeutic approaches

Person of Ordinary Skill (PHOSITA) Profile

A researcher with advanced degrees in materials science, chemical engineering, or pharmaceutical sciences, possessing knowledge of nanoparticle synthesis, drug delivery mechanisms, and cancer treatment strategies

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's modifications represent predictable engineering variations to the source patent's nanomedicinal composition. The core technological framework remains consistent, with the PTD introducing incremental improvements in targeting, surface modification, and delivery mechanisms that would be apparent to a skilled practitioner seeking to optimize nanomedicine approaches.

Obvious Combinations & Variations

Source Patent Element
Nanocarrier with mesosilicalite and magnetic ferrite particles
PTD Variation
Functionalization of porous silicate matrix with targeting moiety
Obviousness Reasoning
Adding targeting moieties to nanocarriers is a known technique in nanomedicine for improving drug delivery specificity, representing a predictable optimization of the existing technological approach
Source Patent Element
Pharmaceutical composition for breast cancer treatment
PTD Variation
Biocompatible polymer coating to reduce immunogenicity
Obviousness Reasoning
Surface modification to improve biocompatibility is a standard design approach in nanomedical systems, solving known challenges of particle interactions with biological systems
Source Patent Element
Nanocarrier with magnetic ferrite and pharmaceutical agents
PTD Variation
Hierarchical matrix structure to increase surface area and loading capacity
Obviousness Reasoning
Developing advanced porous structures to enhance drug loading is a predictable engineering solution within the field of nanomaterial design, representing a finite set of known optimization strategies
Source Patent Element
Cancer treatment nanomedicinal composition
PTD Variation
Sustained release mechanism over 24 hours
Obviousness Reasoning
Controlled drug release is a well-established goal in pharmaceutical design, with multiple known techniques for achieving extended therapeutic exposure
Source Patent Element
Magnetic ferrite nanoparticle composition
PTD Variation
Fluorescent marker for biodistribution tracking
Obviousness Reasoning
Incorporating tracking mechanisms is a standard approach in developing advanced diagnostic and therapeutic nanoparticle systems, representing a predictable technological enhancement
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857639, the variations disclosed herein would be obvious to a person having ordinary skill in nanomedicine and pharmaceutical composition design. The incremental modifications represent predictable engineering solutions that do not rise to the level of non-obvious innovation, thereby establishing this disclosure as valid prior art capable of anticipating subsequent patent claims in the domain of targeted nanomedicinal compositions for cancer treatment.

Original Patent Information

Patent NumberUS 11,857,639
TitleMethod for treating breast cancer
Assignee(s)Imam Abdulrahman Bin Faisal University