EGFR Inhibitor Systems for Specialized Environments

Publication ID: 24-11857513_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “EGFR Inhibitor Systems for Specialized Environments,” Published Technical Disclosure No. 24-11857513_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857513_0004_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. 11,857,513.

Summary of the Inventive Concept

The present inventive concept relates to novel systems and methods for treating lung cancer in unique operational environments, including high-altitude, disaster relief, high-security, extreme weather conditions, and remote areas, utilizing EGFR inhibitors specific to exon 20 insertion mutations.

Background and Problem Solved

The original patent disclosed a method for treating malignant lung tumors using EGFR inhibitors specific to exon 20 insertion mutations. However, the original patent did not address the challenges of treating lung cancer in specialized environments. The present inventive concept addresses this limitation by providing systems and methods adapted for operation in these unique environments, ensuring effective treatment of lung cancer patients in diverse settings.

Detailed Description of the Inventive Concept

The inventive concept encompasses four primary systems: (1) a high-altitude system featuring a detector and dispenser adapted for operation at high elevations; (2) a disaster relief system utilizing a portable administration device; (3) a high-security system comprising a tamper-evident storage container and tracking device; and (4) a system for extreme weather conditions with weather-resistant detector and dispenser components. Additionally, a method for treating lung cancer in remote areas using satellite-enabled communication devices is disclosed. Each system and method is designed to provide effective treatment of lung cancer patients in these specialized environments.

Novelty and Inventive Step

The novelty of the present inventive concept lies in its adaptation of EGFR inhibitors specific to exon 20 insertion mutations for use in unique operational environments. The inventive step is the recognition of the need for specialized systems and methods to address the challenges of treating lung cancer in these environments, and the provision of novel solutions to overcome these challenges.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include systems and methods for treating other types of cancer in specialized environments, or the integration of additional features such as real-time monitoring or artificial intelligence-assisted diagnosis. Variations of the inventive concept could also include the use of different types of EGFR inhibitors or the development of new, environment-specific formulations.

Potential Commercial Applications and Market

The present inventive concept has significant commercial potential in the pharmaceutical and biotechnology industries, particularly in the areas of targeted cancer therapies and specialized medical solutions. The target market includes hospitals, clinics, and research institutions operating in unique environments, as well as government agencies and non-profit organizations involved in disaster relief and remote area healthcare.

CPC Classifications

SectionClassGroup
A A61 A61K31/519
A A61 A61P35/00

Field of Art

Pharmaceutical oncology, specifically targeted cancer therapeutics focusing on EGFR mutation-specific inhibitors for lung cancer treatment

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced degrees in molecular biology, pharmacology, or oncology, with expertise in targeted cancer therapies, mutation analysis, and drug delivery systems

Obviousness Rationale

A PHOSITA would recognize that the specialized environmental adaptations for EGFR inhibitor delivery represent predictable variations of known cancer treatment methodologies. The core therapeutic approach of targeting specific EGFR exon 20 insertion mutations remains consistent with the source patent's teachings. The environmental modifications represent standard engineering adaptations to extend medical treatment capabilities to challenging operational contexts.

Obvious Combinations & Variations

Source Patent Element
Method of detecting and treating lung tumors with EGFR exon 20 insertion mutations
PTD Variation
Adaptation of detection and treatment methods for high-altitude, disaster relief, high-security, and extreme weather environments
Obviousness Reasoning
Predictable extension of existing medical treatment protocols to address practical deployment challenges, representing a routine design optimization for medical technologies
Source Patent Element
Specific EGFR inhibitor targeting exon 20 insertion mutations
PTD Variation
Integration of portable, satellite-enabled, and environment-resistant delivery systems
Obviousness Reasoning
Known technique of adapting medical technologies to improve accessibility and reliability in challenging environments, utilizing standard engineering design principles
Source Patent Element
Cancer treatment method involving mutation-specific inhibitor administration
PTD Variation
Development of specialized detection and administration kits for unique operational contexts
Obviousness Reasoning
Finite set of predictable variations addressing practical limitations in medical treatment deployment, representing standard problem-solving approach in medical technology
Source Patent Element
Diagnostic method for identifying EGFR exon 20 insertion mutations
PTD Variation
Enhanced detection systems with additional environmental adaptability features
Obviousness Reasoning
Obvious combination of known diagnostic techniques with standard engineering solutions for environmental resilience
Source Patent Element
Targeted cancer treatment methodology
PTD Variation
Implementation of tracking and secure storage mechanisms for medical inhibitors
Obviousness Reasoning
Predictable security enhancement using known technological approaches, representing a routine design improvement in medical technology deployment
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857513 and the disclosed variations, a person of ordinary skill in the art would find the environmental adaptations and specialized delivery systems for EGFR exon 20 insertion mutation inhibitors to be obvious extensions of existing cancer treatment methodologies. The proposed variations represent predictable combinations of known techniques, addressing practical limitations through standard engineering design choices, and therefore would be considered obvious to a skilled practitioner in the field of targeted cancer therapeutics.

Original Patent Information

Patent NumberUS 11,857,513
TitleSelective inhibitor of exon 20 insertion mutant EGFR
Assignee(s)TAIHO PHARMACEUTICAL CO., LTD.