Tafamidis Tablets With Water-Soluble Excipients for Faster Dissolution
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Solution Overview
Problem
Existing tafamidis formulations, particularly soft gelatin capsules, face challenges such as complex manufacturing processes, high production costs, and slow dissolution rates, which are exacerbated by the formation of rigid gels upon contact with water or buffer solutions, making them less preferred for large-scale production and patient compliance.
Innovation Solution
A tablet formulation using water-soluble excipients like cyclodextrin and inorganic ionic compounds, prepared through standard manufacturing processes without evaporation or spray-drying, ensuring faster dissolution and avoiding gel formation, with formulations like film-coated tablets or dispersible tablets being developed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If soft gelatin capsule formulation is used, then dissolution performance can be improved, but manufacturing complexity and equipment requirements increase significantly
Solution Approach 1:
The patent replaces expensive, complex soft gelatin capsule systems with simple tablet formulations using conventional equipment. The tablet approach uses inexpensive excipients and standard manufacturing processes, eliminating the need for specialized soft gelatin encapsulation equipment while achieving comparable or superior dissolution performance through direct compression or simple granulation techniques.
Solution Approach 2:
The patent extracts the essential function of dissolution enhancement from the complex soft gelatin capsule system and achieves it through simpler tablet formulations. By removing the soft gelatin shell and complex liquid suspension system, the invention uses tablet-specific approaches (such as superdisintegrants and hydrophilic excipients) to achieve rapid drug release without the manufacturing complexity of soft gelatin encapsulation.
2Reliability
If soft gelatin capsule formulation is used, then dissolution performance can be improved, but production cost increases due to specialized equipment and complex processes
Solution Approach 1:
The patent replaces expensive soft gelatin capsule manufacturing with inexpensive tablet production using conventional equipment. The tablet formulation uses readily available excipients and standard manufacturing processes, dramatically reducing capital equipment investment and operational costs while maintaining dissolution performance through optimized tablet design.
Solution Approach 2:
The patent makes the manufacturing process universal by using standard tablet compression equipment that is already widely available in pharmaceutical facilities. The formulation approach works with conventional tableting equipment, eliminating the need for specialized soft gelatin encapsulation lines and reducing manufacturing costs through equipment versatility.
3Ease of manufacture
If tafamidis is formulated in hard gelatin capsule with standard excipients, then manufacturing is simplified, but rigid gel structure forms upon contact with aqueous vehicles affecting dissolution rate
Solution Approach 1:
The patent changes the physical and chemical parameters of the formulation by using specific excipient combinations that prevent gel structure formation. The formulation includes excipients that maintain powder flowability and prevent rigid gel network formation upon contact with aqueous media, while still enabling rapid dissolution through controlled particle characteristics and excipient selection.
Solution Approach 2:
The patent converts the potential harm of gel formation into a benefit by carefully selecting excipients that interact with tafamidis to prevent rigid gel structure formation. The formulation uses excipients that promote free-flowing powder characteristics and rapid disintegration, turning the challenge of gel formation into an advantage of controlled dissolution through strategic excipient selection.
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 new tablet formulations provide a faster dissolution profile than existing soft gelatin capsules, are easier to manufacture, and improve patient compliance due to their smaller size and simpler administration, while maintaining stability and efficacy.
Implementation Method 1
water soluble excipients... provides a faster dissolution profile
Implementation Method 2
water soluble excipients like cyclodextrin
Data Source
AI summary
The present invention provides a pharmaceutically acceptable tablet formulation of tafamidis or a pharmaceutically acceptable salt(s) thereof or tafamidis co-crystal(s). Particularly, the present invention provides a tablet formulation of tafamidis or a pharmaceutically acceptable salt(s) thereof or tafamidis co-crystal(s) that uses water-soluble excipients and standard manufacturing process and provides an improved dissolution profile.