Adaptive Hypertonic Compositions for Platinum-Induced Ototoxicity in Specialized Environments

Publication ID: 24-11857567_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Hypertonic Compositions for Platinum-Induced Ototoxicity in Specialized Environments,” Published Technical Disclosure No. 24-11857567_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857567_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. 11,857,567.

Summary of the Inventive Concept

The present inventive concept provides specialized hypertonic pharmaceutical compositions and systems for mitigating platinum-induced ototoxicity in specific, challenging operational environments, such as high-altitude, high-temperature, high-humidity, high-noise, and disaster relief settings.

Background and Problem Solved

Platinum-based antineoplastic agents are widely used to treat cancers and tumors, but they are toxic and induce hearing loss. The original patent provided hypertonic pharmaceutical compositions containing an anti-platinum chemoprotectant agent, but these compositions may not be effective or suitable for use in extreme environments. The present inventive concept addresses this limitation by adapting the hypertonic compositions for specific, niche environments, ensuring effective treatment and minimizing ototoxicity risks in these settings.

Detailed Description of the Inventive Concept

The new inventive concept encompasses specialized hypertonic pharmaceutical compositions and systems that are tailored to mitigate platinum-induced ototoxicity in unique operational environments. For instance, the compositions may be adapted for administration via an inhaler device in high-altitude environments, packaged in thermally insulated containers for high-temperature environments, or coated with a moisture-resistant layer for high-humidity environments. The compositions may also be designed for concurrent use with noise-cancelling devices in high-noise environments or packaged in portable, self-contained kits for remote or disaster relief settings.

Novelty and Inventive Step

The new claims introduce novel adaptations of the hypertonic compositions for specific, challenging environments, which were not anticipated by the original patent. The inventive step lies in recognizing the need for specialized compositions and systems that can effectively mitigate platinum-induced ototoxicity in these environments, and in designing the compositions and systems to meet these unique requirements.

Alternative Embodiments and Variations

Other embodiments of the inventive concept may include adapting the compositions for use in other extreme environments, such as extreme cold or radiation-rich settings. The compositions may also be modified to include additional ingredients that enhance their effectiveness in specific environments or to improve their stability and shelf-life in these settings.

Potential Commercial Applications and Market

The present inventive concept has significant commercial potential in the pharmaceutical and biotechnology industries, particularly in the development of targeted therapies for cancer treatment. The specialized compositions and systems may be marketed to healthcare providers, hospitals, and research institutions operating in extreme environments, such as high-altitude research stations or disaster relief organizations.

Field of Art

Pharmaceutical Formulation and Delivery Systems, with specialized expertise in chemotherapeutic compositions, otoprotective agents, and environmental adaptation of medical treatments

Person of Ordinary Skill (PHOSITA) Profile

A pharmaceutical scientist or chemical engineer with advanced degrees, experience in drug formulation, knowledge of osmolarity principles, and understanding of environmental factors affecting drug stability and delivery

Obviousness Rationale

A person of ordinary skill would recognize that the source patent's hypertonic pharmaceutical compositions could be readily adapted to specific environmental conditions by applying standard pharmaceutical engineering techniques. The core composition remains fundamentally unchanged, with modifications representing predictable variations in delivery method and packaging. These adaptations address known challenges in chemotherapy administration across different operational environments, utilizing standard pharmaceutical design principles.

Obvious Combinations & Variations

Source Patent Element
Hypertonic pharmaceutical composition with 3,000-7,000 mOsm/L osmolarity containing anti-platinum chemoprotectant agents
PTD Variation
Adapting composition for high-altitude administration via inhaler device with osmolarity adjusted to at least 2,500 mOsm/L
Obviousness Reasoning
Modifying drug delivery method is a predictable design choice for a PHOSITA, with inhalers being a known alternative administration technique for pharmaceutical compositions
Source Patent Element
Pharmaceutical composition with sodium thiosulfate as anti-platinum chemoprotectant agent
PTD Variation
Adding moisture-resistant coating and packaging for high-humidity environments
Obviousness Reasoning
Protecting pharmaceutical compositions from environmental degradation is a standard practice in drug formulation, representing an obvious solution to known stability challenges
Source Patent Element
Hypertonic composition with gelling agents like hyaluronan and polyethylene glycol
PTD Variation
Packaging composition in thermally insulated containers for high-temperature environments
Obviousness Reasoning
Thermal protection of pharmaceutical compositions is a well-known technique for maintaining drug efficacy, representing a routine engineering solution
Source Patent Element
Anti-platinum chemoprotectant composition with defined osmolarity range
PTD Variation
Concurrent administration with noise-cancelling devices in high-noise environments
Obviousness Reasoning
Combining pharmaceutical treatment with supplementary protective technologies is an obvious approach to comprehensive patient care and symptom management
Source Patent Element
Pharmaceutical composition with defined anti-platinum chemoprotectant agents
PTD Variation
Packaging in portable, self-contained kits for disaster relief settings
Obviousness Reasoning
Adapting medical treatments for portable and emergency use represents a standard design consideration for pharmaceutical products
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857567, the variations disclosed herein represent obvious extensions of the original hypertonic pharmaceutical composition, demonstrating that a person having ordinary skill in the art would find the claimed adaptations predictable and within the scope of routine pharmaceutical engineering practices. The environmental modifications and delivery system variations constitute non-inventive design choices that would be apparent to a skilled practitioner in the field of chemotherapeutic composition design.

Original Patent Information

Patent NumberUS 11,857,567
TitleHypertonic pharmaceutical compositions containing an anti-platinum chemoprotectant agent
Assignee(s)Decibel Therapeutics, Inc.