Specialized Polyethylene Glycol-Linker-Drug Conjugates for Extreme Environments and High-Security Needs
Legal Citation
Summary of the Inventive Concept
The present disclosure relates to novel polyethylene glycol-linker-drug conjugates adapted for specific, narrow markets or unique operational environments, including extreme weather conditions, disaster relief, and high-security needs.
Background and Problem Solved
The original patent disclosed a polyethylene glycol-linker-drug conjugate for pharmaceutical applications. However, there existed a need for specialized variations of these conjugates to address the challenges posed by extreme weather conditions, disaster relief, and high-security needs. The present inventive concept addresses these limitations by providing novel conjugates and systems tailored to these specific applications.
Detailed Description of the Inventive Concept
The new inventive concept comprises polyethylene glycol-linker-drug conjugates specifically designed for extreme weather-related injuries, disaster relief, and high-security medical kits. These conjugates feature a polyethylene glycol residue, a linking group, and a drug selected from polypeptide or protein drugs, IL-2, adriamycin, and derivatives thereof, crizotinib, goserelin, cytarabine, procaine, benzocaine, chloroprocaine, dimethocaine, dopamine, norepinephrine, clenbuterol, phenformin, daraprim, prosultiamine, p-aminosalicylic acid, and sulfadiazine. The conjugates are administered through portable, waterproof injectors, stored in temperature-controlled containers, or included in secure, tamper-evident medical kits. The systems and methods of the present inventive concept enable effective treatment in extreme environments and high-security settings.
Novelty and Inventive Step
The new inventive concept's novelty lies in its adaptation of the original polyethylene glycol-linker-drug conjugate for specific, narrow markets or unique operational environments, including extreme weather conditions, disaster relief, and high-security needs. The inventive step resides in the selection of specific drugs, linking groups, and administration systems tailored to these applications.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept may include variations in the linking group, drug selection, and administration systems. For example, the conjugate could be adapted for use in extreme temperatures, high-altitude environments, or in conjunction with wearable medical devices.
Potential Commercial Applications and Market
The present inventive concept has significant commercial potential in the fields of emergency response, disaster relief, and high-security medical services. The market for these specialized conjugates and systems is expected to grow as the need for effective treatments in extreme environments and high-security settings continues to increase.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61K47/60 |
| A | A61 | A61K31/704 |
| A | A61 | A61P35/00 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Pharmaceutical technology, specifically drug delivery systems involving polyethylene glycol (PEG) conjugates, with expertise in chemical modification of therapeutic compounds and drug delivery mechanisms
Person of Ordinary Skill (PHOSITA) Profile
A professional with advanced degrees in pharmaceutical chemistry or chemical engineering, experienced in drug conjugation techniques, familiar with PEG-based drug delivery systems, and capable of understanding complex molecular modifications
Obviousness Rationale
A person having ordinary skill would recognize that the PTD represents a predictable variation of the source patent's core PEG-linker-drug conjugate technology by adapting the fundamental molecular structure to specific environmental and operational contexts. The disclosed variations leverage known chemical modification techniques and established drug delivery principles to create targeted conjugate systems. The PTD's modifications represent routine engineering adaptations that would be apparent to a skilled practitioner seeking to optimize drug delivery for specialized scenarios.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,635 |
|---|---|
| Title | Linker compound, polyethylene glycol-linker conjugate and derivative thereof and polyethylene glycol-linker-drug conjugate |
| Assignee(s) | JenKem Technology Co., Ltd. (Tianjin) |