Flibanserin Evening Dosing for Post-Menopausal Sexual Desire Disorders

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Solution Overview

Problem

Current treatments for post-menopausal Sexual Desire Disorders are inadequate in addressing the specific needs of hypoactive sexual desire in post-menopausal women, particularly in terms of efficacy and tolerability, as existing therapies do not effectively differentiate between lifelong and acquired disorders or consider the various etiologic origins.

Innovation Solution

The use of flibanserin, in the form of its hydrochloride, free base, or pharmacologically acceptable salts and solvates, administered daily in the evening, specifically targeting hypoactive sexual desire disorders in post-menopausal women, regardless of the disorder's type or etiologic origin, through various pharmaceutical formulations such as tablets, capsules, or suppositories, to improve tolerability and efficacy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If flibanserin is administered once daily in the evening, then tolerability is improved by minimizing sedation side effects, but treatment duration requirement increases

Engineering Contradiction:
Improvesedation side effectsVSAvoidtreatment duration
Core Design Contradiction:
Object-affected harmful factorsVSDuration of action of moving object

Solution Approach 1:

The patent implements periodic administration of flibanserin once daily in the evening, creating a rhythmic treatment pattern that allows the body to metabolize the drug during daytime hours, thereby reducing cumulative sedation effects while maintaining therapeutic efficacy through consistent daily exposure

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent optimizes the dosing time parameter by administering flibanserin specifically in the evening, which changes the pharmacokinetic profile and reduces daytime sedation. This temporal parameter adjustment allows the same drug to have different side effect profiles based on administration timing

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If flibanserin is used to treat both lifelong and acquired Sexual Desire Disorders regardless of etiologic origin, then adaptability of the treatment is improved, but treatment complexity increases

Engineering Contradiction:
Improvetreatment applicabilityVSAvoidtreatment complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent establishes flibanserin as a universal treatment for hypoactive sexual desire disorders, making it applicable across multiple subtypes (lifelong/acquired, generalized/situational, different etiologic origins) without requiring different medications, thereby simplifying the overall treatment landscape despite the diversity of conditions

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If various pharmaceutical formulations of flibanserin are provided, then ease of operation is improved for patient convenience, but manufacturing complexity increases

Engineering Contradiction:
Improvepatient convenienceVSAvoidmanufacturing complexity
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The patent segments flibanserin treatment into multiple pharmaceutical formulations (tablets, capsules, suppositories, oral solutions) that can be manufactured separately using different processes optimized for each dosage form, allowing parallel development and manufacturing rather than attempting to modify a single formulation

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP2021006B1Use of flibanserin for the treatment of post-menopausal sexual desire disorders
Publication Date: 2015.08.12 SPROUT PHARMACEUTICALS INC
  • EP2021006B1 patent drawing

AI summary

The invention relates to the use of flibanserin for the preparation of a medicament for the treatment of post-menopausal Sexual Desire Disorders.