Cannabaceae Release Lotion for Oral Bioavailability
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Solution Overview
Problem
Current formulations of Δ9-tetrahydrocannabinol (THC) for oral administration face challenges such as high first-pass hepatic metabolism, variable absorption, and physical-chemical properties like high lipid solubility and sensitivity to environmental conditions, leading to inefficient and unpredictable bioavailability and absorption.
Innovation Solution
A release composition comprising an aqueous phase with humectants and an oil phase containing THC and surfactants, mixed in a specific weight ratio using low to medium shear mixing, creating a hydrophobic lotion that enhances the controlled release of Cannabaceae derivatives, including THC, with rapid onset and prolonged effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If Δ9-THC is dissolved in sesame oil and encapsulated in gelatin capsules for oral administration, then the formulation is simple to manufacture and administer, but the bioavailability is low (only 10-20% reaches systemic circulation) and absorption is highly variable
Solution Approach 1:
The patent changes the physical-chemical parameters of the formulation by using a self-emulsifying lipid base instead of simple sesame oil, and by controlling particle size and viscosity parameters to enhance dissolution and absorption. This resolves the contradiction by maintaining manufacturing simplicity while dramatically improving bioavailability through parameter optimization.
Solution Approach 2:
The patent employs a composite lipid-based delivery system combining multiple components (lipids, surfactants, and Δ9-THC) to create a self-emulsifying formulation. This composite approach overcomes the limitations of simple oil solutions by providing both ease of manufacture and reliable, enhanced bioavailability through synergistic material interactions.
2Ease of operation
If Δ9-THC is administered orally, then the administration route is simple and non-invasive, but first-pass hepatic metabolism reduces the amount reaching systemic circulation to only 10-20%
Solution Approach 1:
The patent introduces a lipid-based self-emulsifying system as an intermediary carrier that facilitates Δ9-THC transport through the gastrointestinal tract and into systemic circulation. This intermediary mechanism protects the compound from first-pass metabolism by enhancing lymphatic absorption pathways, thereby reducing substance loss while maintaining simple oral administration.
3Stability of the object's composition
If the aqueous phase is added to the oil phase using high shear mixing, then the mixing is more thorough and homogeneous, but the shear force may degrade the thermolabile and photolabile Δ9-THC compound
Solution Approach 1:
The patent employs a dynamic mixing approach using low to medium shear conditions that are sufficient to create the desired lotion consistency and distribution without excessive mechanical stress. This dynamic balance achieves adequate homogeneity for therapeutic effect while protecting the sensitive Δ9-THC compound from degradation.
Solution Approach 2:
The patent protects the thermolabile and photolabile Δ9-THC compound by beforehand cushioning it within a protective lipid matrix and using controlled low-to-medium shear mixing conditions. This preemptive protection prevents degradation from excessive mechanical stress while still achieving the necessary mixing for effective delivery.
4Reliability
If fasting or food deprivation is implemented, then the absorption rate of Δ9-THC from sesame oil capsules decreases, but taking with food increases variability in absorption
Solution Approach 1:
The patent changes the physical parameters of the delivery system (using self-emulsifying lipids with controlled viscosity and particle size) to achieve rapid dissolution and absorption that is independent of food presence. This parameter optimization resolves the contradiction by providing consistent, reliable absorption rates whether fasting or fed.
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 achieves a rapid first effect time, a rapid peak effect time, and a long-lasting end effect, improving bioavailability and reducing variability in THC absorption, as demonstrated by trials showing quick onset and prolonged duration of action.
Implementation Method 1
an oil phase comprising THC, optionally at least one additional oil, and at least one surfactant
Implementation Method 2
The lotion is hydrophobic and can control the release of Cannabaceae derivatives
Data Source
AI summary
A release lotion for delivering Cannabaceae derivatives, including THC made by combining an aqueous phase at least one humectant; wherein the humectant is present in the aqueous phase in the range of from about 1 to 99 wt. %; and an oil phase comprising Cannabaceae derivatives and at least one surfactant, wherein the surfactant is present in the oil phase in the range of from about 1 to 99 wt. %, and wherein the aqueous phase is added to the oil phase in a weight ratio of about 3:1 to 49:1 using low to medium shear mixing, and wherein the lotion is hydrophobic and has release properties.