Enhanced Methods for the Prevention and Treatment of Hearing Loss
Legal Citation
Summary of the Inventive Concept
The present inventive concept discloses novel methods and compositions for preventing and treating hearing loss caused by chemotherapeutic agents or noise exposure, overcoming the limitations of existing treatments by enhancing the protective effects of chaetocin on inner ear cells.
Background and Problem Solved
Hearing loss is a significant health problem, particularly for cancer patients undergoing chemotherapy. The original patent disclosed methods for preventing and treating hearing loss using chaetocin. However, these methods have limitations, such as limited bioavailability and lack of targeted delivery to the inner ear cells. The present inventive concept addresses these limitations by introducing novel combinations, formulations, and delivery systems that enhance the protective effects of chaetocin.
Detailed Description of the Inventive Concept
The present inventive concept comprises novel methods and compositions that improve the prevention and treatment of hearing loss. One embodiment is a system combining chaetocin with a second therapeutic agent that enhances its protective effect on inner ear cells. Another embodiment involves administering chaetocin in a liposomal formulation to target the inner ear cells, reducing ototoxicity of chemotherapeutic agents. Additionally, a composition comprising chaetocin and a synergistic agent that enhances its bioavailability in the inner ear is disclosed. Furthermore, a method for treating hearing loss caused by noise exposure using chaetocin in combination with an antioxidant agent is presented. Finally, a device for delivering chaetocin to the inner ear, comprising a cochlear implant and a reservoir, is disclosed.
Novelty and Inventive Step
The present inventive concept introduces novel combinations, formulations, and delivery systems that enhance the protective effects of chaetocin on inner ear cells, overcoming the limitations of the original patent. The new claims provide a significant improvement over the existing methods, offering better efficacy, targeted delivery, and reduced ototoxicity.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept include using different therapeutic agents, formulations, or delivery systems. For example, using nanoparticles or micelles for targeted delivery, or combining chaetocin with other antioxidants or anti-inflammatory agents. Additionally, the inventive concept could be adapted for treating other types of hearing loss, such as age-related hearing loss.
Potential Commercial Applications and Market
The present inventive concept has significant commercial potential in the pharmaceutical and medical device industries, particularly in the areas of oncology and otolaryngology. The market for hearing loss treatments is substantial, and the inventive concept's enhanced efficacy and reduced ototoxicity make it an attractive solution for patients and healthcare providers.
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Pharmaceutical and medical treatments for hearing loss, specifically focusing on otoprotective interventions for chemotherapy-induced and noise-induced hearing damage, requiring expertise in pharmacology, cellular biology, and drug delivery systems
Person of Ordinary Skill (PHOSITA) Profile
A researcher or medical professional with advanced training in pharmacology, with knowledge of inner ear cellular mechanisms, drug formulation techniques, and experience in developing protective interventions for ototoxic conditions
Obviousness Rationale
A person having ordinary skill would recognize that the source patent's disclosure of chaetocin as a hearing loss treatment provides a clear foundation for exploring enhanced delivery methods and combinatorial approaches. The PTD's variations represent predictable extensions of the original patent's core concept, utilizing standard pharmaceutical techniques like liposomal delivery and combination therapy that are well-established in the field of drug development. These modifications would be considered routine optimization strategies by a skilled practitioner seeking to improve the efficacy and targeted delivery of the original chaetocin treatment method.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,551 |
|---|---|
| Title | Methods for the prevention and treatment of hearing loss |
| Assignee(s) | Ting Therapeutics LLC |