Testosterone and PDE5 Inhibitor Combination for Female Sexual Dysfunction
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Solution Overview
Problem
Current treatments for female sexual dysfunction, such as Female Sexual Arousal Disorder and Female Sexual Desire Disorder, are either ineffective or have unacceptable side effects, and there is a need for a therapeutic approach that can effectively address these conditions without significant adverse reactions.
Innovation Solution
A combination of a PDE5 inhibitor and testosterone, or its analogue, is used in a medicament, where the testosterone is administered sublingually to achieve a peak plasma level coinciding with the PDE5 inhibitor's effect, ensuring a synergistic treatment of female sexual dysfunction with minimal side effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a PDE5 inhibitor is administered alone, then peripheral signal is provided, but the treatment is not completely successful
Solution Approach 1:
The patent combines two therapeutic substances with different mechanisms of action: a PDE5 inhibitor that provides peripheral signal and testosterone that provides central signal. This combination creates a synergistic effect that improves treatment effectiveness for female sexual dysfunction while maintaining an acceptable side effect profile through optimized dosing.
2Reliability
If testosterone is administered to achieve peak plasma level, then central signal is provided, but the timing must be coordinated with PDE5 inhibitor effect
Solution Approach 1:
The patent specifies that testosterone should be administered in advance of sexual activity to allow its peak plasma level (occurring about 20 minutes after administration) to coincide with the peak effect of the PDE5 inhibitor. This preliminary timing action ensures optimal therapeutic effect while managing the complexity of coordinated administration.
3Reliability
If treatments are applied for female sexual dysfunction, then some therapeutic effect is achieved, but side effects are hardly acceptable
Solution Approach 1:
The patent optimizes the dosing parameters of both testosterone and PDE5 inhibitor to achieve effective treatment while minimizing side effects. By carefully controlling the dosage and timing of each substance, the treatment achieves synergistic effectiveness with an acceptable side effect profile.
Data Source
AI summary
The present invention relates to the use of a combination of a PDE5-inhibitor and testosterone for the preparation of a medicament for the treatment of Female Sexual Dysfunction.