Lyophilized LSD Orally Disintegrating Tablets for Stable Immediate Release
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Solution Overview
Problem
Current formulations of LSD, particularly oral solutions, face challenges in stability and uniformity, making them unsuitable for later phase clinical studies and commercialization, and there is a lack of a commercially viable solid oral, immediate release formulation that meets regulatory standards and can be easily administered to diverse patient populations.
Innovation Solution
A solid oral immediate release formulation of LSD is developed as an orally disintegrating tablet (ODT) through lyophilization of a flash frozen stock solution containing LSD and excipients in a pre-formed mold, incorporating non-gelling matrix formers, fillers, binders, buffers, and additional agents like antioxidants and permeation enhancers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If oral solution formulations are used for LSD, then patient convenience and ease of administration are improved, but product stability and supply chain requirements deteriorate due to potential cold chain storage needs
Solution Approach 1:
The patent transforms the physical state of LSD from liquid (oral solution) to solid (orally disintegrating tablet) by changing parameters such as moisture content and physical form. This parameter change allows the product to maintain stability at room temperature while retaining ease of administration through rapid disintegration in the mouth.
Solution Approach 2:
The invention utilizes phase transition by converting LSD from a liquid solution phase to a solid frozen phase during lyophilization, and finally to a porous solid structure that rapidly transitions to dissolved state in the mouth. This phase transition approach resolves the contradiction between stability (solid state) and ease of administration (rapid dissolution).
2Ease of manufacture
If solid oral formulations are used for LSD, then production and supply chain advantages are improved, but achieving acceptable drug content uniformity and chemical stability deteriorate due to LSD's potency
Solution Approach 1:
The patent applies preliminary action by pre-freezing the LSD solution in the desired dosage form before lyophilization. This preliminary freezing step creates a structured ice matrix that, upon sublimation, leaves a porous structure with uniform drug distribution, thereby achieving manufacturing precision while maintaining ease of production.
Solution Approach 2:
The invention changes the physical and chemical parameters of LSD through lyophilization, transforming it from a concentrated solution into a solid dosage form with controlled moisture content and porous structure. This parameter change enables both ease of manufacture and acceptable drug content uniformity despite LSD's high potency.
3Speed
If orally disintegrating tablets are formulated with high porosity and low density to achieve rapid disintegration, then dissolution rate is improved, but tablet strength and hardness worsen
Solution Approach 1:
The patent utilizes phase transition during lyophilization to create a porous solid structure with interconnected voids. This structure achieves rapid disintegration (high dissolution rate) while the remaining solid matrix provides sufficient mechanical strength, resolving the contradiction between speed of dissolution and tablet hardness.
Solution Approach 2:
The invention creates a porous tablet structure through lyophilization where the porous network provides rapid water penetration and drug dissolution, while the solid framework maintains adequate mechanical strength. This porous material approach simultaneously achieves high dissolution rate and acceptable tablet strength.
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 formulation achieves chemical stability and content uniformity, allowing for easy administration and effective therapeutic delivery across various patient groups, including the elderly and those with swallowing difficulties.
Implementation Method 1
the composition is produced by lyophilization of a feedstock in a pre-formed mold
Implementation Method 2
lyophilization of a flash frozen stock solution
Data Source
AI summary
A solid oral immediate release formulation of LSD, wherein the composition is produced by lyophilization of a feedstock in a pre-formed mold to form an orally disintegrating tablet. A method of making a solid oral immediate release formulation of LSD by lyophilizing a flash frozen stock solution of LSD and excipients, including a non-gelling matrix former, filler, and binder in a pre-formed mold, and forming an orally disintegrating tablet. A method of treating an individual by administering a solid oral immediate release formulation of LSD, wherein the composition is produced by lyophilization of a feedstock in a pre-formed mold to form an orally disintegrating tablet and treating the individual.