Oral Film Composition for Precise Active Dissolution Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing oral film dosage forms face challenges in precise dissolution testing and uniform active distribution, leading to inconsistencies in drug absorption and bioavailability, particularly for individuals with swallowing difficulties and in formulations requiring controlled release properties.
Innovation Solution
Development of an oral film with a water-soluble or water-swellable polymer matrix, containing micronized actives with precise particle sizes, and additives, ensuring uniform distribution and accurate dosing, utilizing PION technology for enhanced dissolution testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If tablets are broken into smaller pieces or crushed to facilitate ingestion, then swallowing difficulties are overcome, but controlled release properties are destroyed
Solution Approach 1:
The patent employs thin film dosage forms instead of traditional tablets. These films are flexible enough to be swallowed whole or dissolved in the mouth, eliminating the need for crushing while maintaining the integrity of the active ingredient distribution and release properties throughout the film matrix.
Solution Approach 2:
The patent changes the physical form parameter from rigid tablets to flexible films, and controls the dissolution rate through polymer matrix selection and active ingredient particle size reduction (micronization), thereby achieving both ease of ingestion and controlled release without compromising either property.
2Speed
If oral films dissolve rapidly, then absorption is enhanced, but precise measurement of dissolution at small time intervals becomes difficult
Solution Approach 1:
The patent performs preliminary optimization of the film formulation by controlling active ingredient particle size (D90 < 160 microns) and polymer matrix composition before dissolution testing. This preliminary preparation ensures that dissolution occurs at a controlled, measurable rate that can be accurately captured by standard testing methodologies.
Solution Approach 2:
The patent replaces manual or less precise dissolution measurement methods with PION (Phosphorescent Imaging and Optical Detection) technology, which uses optical detection systems to precisely measure dissolution at very small time intervals, thereby achieving high measurement precision despite rapid dissolution rates.
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 oral film achieves precise and uniform active dissolution profiles, improving bioavailability and consistency across batches, addressing swallowing difficulties and ensuring accurate dosing.
Implementation Method 1
a water-soluble polymer matrix, a water swellable polymer matrix, or a water-soluble and water swellable polymer matrix
Implementation Method 2
an active having an average particle size D90 of less than about 160 microns
Data Source
AI summary
An oral film in an individual unit dose for delivery of one or more actives is disclosed herein, the film having a precisely calculated and controlled active dissolution profile. A wide variety of actives may be used, including, for example, clobazam, diazepam, or riluzole. Also disclosed are methods of treating a variety of diseases and conditions, for example, epilepsy and seizures, by administering the oral film disclosed herein.