Adaptive SN-38 Formulations with Stimuli-Responsive Poly(amino acid) Block Copolymers

Publication ID: 24-11857630_0005_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Adaptive SN-38 Formulations with Stimuli-Responsive Poly(amino acid) Block Copolymers,” Published Technical Disclosure No. 24-11857630_0005_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857630_0005_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. 11,857,630.

Summary of the Inventive Concept

Next-generation SN-38 formulations that utilize adaptive, stimuli-responsive poly(amino acid) block copolymers to dynamically modulate SN-38 release rates, pharmacokinetics, and efficacy in response to in vivo environmental changes, offering improved treatment outcomes and patient safety.

Background and Problem Solved

The original patent disclosed formulations of SN-38 with poly(amino acid) block copolymers, but these formulations had limitations in terms of their inability to adapt to changing in vivo conditions, leading to variable treatment outcomes. The new inventive concept addresses this limitation by introducing adaptive, stimuli-responsive poly(amino acid) block copolymers that can dynamically adjust SN-38 release rates and pharmacokinetics in response to changes in pH, temperature, or ionic strength.

Detailed Description of the Inventive Concept

The new inventive concept comprises a system of poly(amino acid) block copolymers with adaptive molecular weight, which can be adjusted in real-time in response to in vivo environmental changes. This adaptability enables the dynamic modulation of SN-38 release rates, allowing for more effective treatment of cancer and minimizing side effects. The poly(amino acid) block copolymers can also be designed to undergo conformational changes in response to changes in pH, temperature, or ionic strength, further enhancing their ability to adapt to in vivo conditions. Additionally, the inventive concept includes integrated diagnostic capabilities for real-time monitoring of SN-38 concentration and efficacy, enabling personalized treatment and improved patient outcomes.

Novelty and Inventive Step

The new claims introduce the concept of adaptive, stimuli-responsive poly(amino acid) block copolymers, which is a significant departure from the original patent's formulations. The use of machine learning algorithms and molecular dynamics simulations to optimize the design of these copolymers is also a novel aspect of the inventive concept. Furthermore, the integration of diagnostic capabilities and self-healing properties in the poly(amino acid) block copolymers is a non-obvious extension of the original patent's teachings.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of stimuli-responsive polymers, such as pH-responsive or temperature-responsive polymers. Additionally, the poly(amino acid) block copolymers could be designed to respond to different types of in vivo environmental changes, such as changes in oxygen levels or enzyme activity. The inventive concept could also be adapted for use with other types of therapeutic agents, such as proteins or nucleic acids.

Potential Commercial Applications and Market

The new inventive concept has significant commercial potential in the pharmaceutical industry, particularly in the areas of cancer treatment and personalized medicine. The ability to dynamically modulate SN-38 release rates and pharmacokinetics in response to in vivo environmental changes could lead to improved treatment outcomes and patient safety. The integrated diagnostic capabilities and self-healing properties of the poly(amino acid) block copolymers could also reduce healthcare costs and improve patient quality of life.

CPC Classifications

SectionClassGroup
A A61 A61K47/34
A A61 A61K9/08
A A61 A61K9/19
A A61 A61K31/4375
A A61 A61K31/513
A A61 A61K31/519
A A61 A61K45/06
A A61 A61K47/26

Original Patent Information

Patent NumberUS 11,857,630
TitleFormulations of SN-38 with poly(amino acid) block polymers
Assignee(s)TYNDALL FORMULATION SERVICES, LLC