Clomipramine Hydrochloride Formulation for Rapid Onset
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Solution Overview
Problem
Current treatments for premature ejaculation, such as antidepressants like fluoxetine, paroxetine, and clomipramine, often cause significant side effects and require careful dosage control due to their impact on the nervous and cardiovascular systems, and they do not provide rapid onset of efficacy.
Innovation Solution
A pharmaceutical composition containing clomipramine hydrochloride in a dosage of 14 to 16 mg, preferably 15 mg, with excipients like pregelatinized starch and sodium starch glycolate for rapid dissolution, allowing for on-demand use before sexual activity, ensuring rapid onset and minimizing side effects by maintaining high dissolution rates across various pH conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If antidepressants like fluoxetine, paroxetine, or sertraline are used to treat premature ejaculation, then the treatment effectiveness is improved, but side effects such as nausea, headache, dizziness, insomnia, xerostomia, and anxiety increase
Solution Approach 1:
The patent changes the dosage parameter of clomipramine hydrochloride to a specific range (14-16 mg, preferably 15 mg) to achieve effective treatment while minimizing side effects. This precise parameter optimization allows the drug to work effectively for premature ejaculation without causing the severe side effects associated with higher doses or different antidepressants
Solution Approach 2:
The patent extracts and isolates clomipramine hydrochloride as the specific active ingredient from the class of antidepressants, using it alone at an optimized dosage rather than combining multiple antidepressants or using them at standard therapeutic doses. This extraction approach focuses the therapeutic effect while reducing the burden of side effects
2Reliability
If antidepressants are used to treat premature ejaculation, then the treatment effectiveness is improved, but the dosage control complexity increases due to impact on nervous and cardiovascular systems
Solution Approach 1:
The patent establishes a specific dosage parameter range (14-16 mg, preferably 15 mg of clomipramine hydrochloride) that balances effectiveness and safety. This parameter specification simplifies dosage control by providing a clear, optimized range that achieves therapeutic effects without requiring complex individualized dosing adjustments
Solution Approach 2:
The patent determines and specifies the optimal dosage range in advance through research and development, allowing clinicians to prescribe the medication with confidence without needing to perform complex dosage calculations or adjustments. The preliminary establishment of the 14-16 mg range simplifies the dosing decision-making process
3Reliability
If conventional antidepressant formulations are used, then the treatment coverage is improved, but the onset of efficacy is delayed
Solution Approach 1:
The patent changes the formulation parameters to achieve rapid dissolution and absorption. By optimizing the pharmaceutical composition of clomipramine hydrochloride at 14-16 mg, the drug achieves rapid onset of action suitable for on-demand use before sexual activity, eliminating the delayed onset associated with conventional formulations
Solution Approach 2:
The patent prepares the pharmaceutical composition in advance with optimized dissolution characteristics, allowing the drug to act rapidly when taken. The preliminary optimization of the formulation ensures that when the patient takes the medication before sexual activity, the efficacy onset is rapid and predictable
4Reliability
If clomipramine hydrochloride dosage is increased to enhance treatment effect, then the efficacy is improved, but the side effects and uptake deviation increase
Solution Approach 1:
The patent identifies and specifies an optimal dosage parameter (14-16 mg, preferably 15 mg) that maximizes therapeutic efficacy while minimizing side effects and uptake deviation. This parameter optimization demonstrates that higher doses do not necessarily improve outcomes and may actually increase variability in patient response and adverse effects
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The composition provides rapid and consistent efficacy with reduced side effects and minimal uptake deviation, effectively extending intravaginal ejaculation latency time without severe adverse reactions.
Implementation Method 1
the composition being taken on an as-needed or on demand basis prior to sexual activity... comprises clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15mg... provides a rapid release or dissolution of an active ingredient
Implementation Method 2
exhibits less uptake deviation according to the patient's conditions and has reduced side effects... maintaining high dissolution rates across various pH conditions
Data Source
AI summary
The present invention relates to a pharmaceutical composition for treating, preventing or improving premature ejaculation, which is taken on demand prior to sexual activity, the composition comprising clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15mg, as an active ingredient. More preferably, the composition of the present invention further comprises pregelatinized starch and sodium starch glycolate. The pharmaceutical composition of the present invention can provide rapid onset of efficacy, reduce a dissolution (absorption) deviation according to the patient's gastrointestinal pH conditions and minimize side effects.