Novel Morphine Sulfate Crystalline Forms for Sustained Release
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Solution Overview
Problem
Current morphine sulfate formulations for pain management often result in side effects such as nausea, vomiting, constipation, sedation, and loss of appetite, and there is a need for novel crystalline forms that can provide more effective and sustained pain relief with reduced side effects.
Innovation Solution
Development of eight novel crystalline forms of morphine sulfate (Forms α, β, γ, δ, ε, ζ, η, and θ) and their pharmaceutical compositions, which are characterized by specific X-ray powder diffraction peaks and differential scanning calorimetry thermograms, and can be prepared through processes involving morphine free base and sulfuric acid, allowing for the creation of sustained-release dosage forms with improved stability and bioavailability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional morphine sulfate formulations are used, then pain relief is provided, but side effects such as nausea, vomiting, constipation, sedation, and loss of appetite occur
Solution Approach 1:
The patent applies parameter changes by developing eight novel crystalline forms (Forms α, β, γ, δ, ε, ζ, η, and θ) of morphine sulfate, each with distinct crystal structures characterized by specific X-ray powder diffraction peaks and differential scanning calorimetry thermograms. These structural parameter changes result in improved stability and bioavailability, enabling sustained release formulations that maintain effective pain relief while reducing the incidence and severity of side effects such as nausea, vomiting, constipation, sedation, and loss of appetite
2Speed
If conventional morphine sulfate formulations are used, then immediate pain relief is achieved, but sustained release and stability are insufficient
Solution Approach 1:
The patent utilizes parameter changes by creating eight distinct crystalline forms with optimized molecular arrangements and intermolecular interactions. These structural modifications enhance the stability and bioavailability of morphine sulfate, enabling the development of sustained-release dosage forms that provide both rapid onset and prolonged duration of action, thereby addressing the limitation of conventional formulations
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 novel crystalline forms of morphine sulfate provide effective pain relief with potentially lower incidence and severity of side effects, enabling more stable and bioavailable pharmaceutical compositions for sustained release, thus addressing the limitations of existing morphine sulfate formulations.
Implementation Method 1
characterized by specific X-ray powder diffraction peaks
Implementation Method 2
X-ray powder diffraction peaks
Implementation Method 3
differential scanning calorimetry thermograms
Implementation Method 4
differential scanning calorimetry thermograms
Data Source
AI summary
The present disclosure is directed to crystalline forms of morphine sulfate and pharmaceutical compositions comprising any of the crystalline forms of morphine sulfate. Also provided are processes for the preparation of crystalline forms of morphine sulfate.