Microalgae Gel Adsorbs Drugs in Intestine
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Solution Overview
Problem
Current treatments for drug intoxication, such as gastric lavage and activated charcoal, are risky and ineffective for various toxins, and antidotes are specific to limited toxins, highlighting the need for a more universal and safer approach.
Innovation Solution
A gel formulation incorporating microalga biomass from Chlorella sorokiniana, Chlorella vulgaris, or Tetradesmus obliquus, combined with natural polymers and preserving agents, designed for oral administration to adsorb drugs in the gastrointestinal tract, providing a pH-responsive carrier that protects the microalgae biomass and ensures drug adsorption in the intestine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional treatments (gastric lavage, activated charcoal) are used for drug intoxication, then treatment is provided, but serious risks such as hypoxia, gastrointestinal perforations, and aspiration pneumonitis occur
Solution Approach 1:
The patent employs microalgal biomass as a disposable, single-use treatment agent that is ingested orally and then discarded by the body through natural excretion. This eliminates the need for repeated or prolonged treatment procedures, reducing cumulative risks associated with conventional therapies like multiple gastric lavages or prolonged charcoal administration.
Solution Approach 2:
The microalgal biomass formulation utilizes the body's own gastrointestinal system to deliver and eliminate the treatment agent. The oral administration allows the biomass to travel through the digestive tract, perform drug adsorption, and be naturally excreted without requiring external mechanical intervention or complex monitoring systems.
2Productivity
If activated charcoal is used for drug intoxication, then drug adsorption occurs, but efficacy is highly dependent on time interval between ingestion and treatment
Solution Approach 1:
The microalgal biomass is pre-formed into a stable formulation that remains active and ready for immediate action upon oral administration. The biomass is prepared in advance with optimal surface area and porosity to ensure rapid drug adsorption begins immediately upon contact with the gastrointestinal contents, eliminating delays associated with preparing charcoal mixtures or activating materials at the point of use.
Solution Approach 2:
The patent modifies the physical and chemical parameters of the treatment agent by using microalgal biomass with specific surface area, pore structure, and surface charge characteristics. These parameter changes enable the biomass to maintain high drug adsorption capacity across a broader time window compared to conventional charcoal, as the biomass structure is optimized for sustained contact and absorption rather than immediate rapid binding.
3Reliability
If antidotes are used for drug intoxication, then specific toxins are treated, but they cannot be utilized as a universal method of treatment because they are specific to a limited number of toxins
Solution Approach 1:
The microalgal biomass serves as a universal treatment agent capable of adsorbing multiple different drug molecules simultaneously. The biomass formulation can be administered for various types of drug intoxications (paracetamol, ibuprofen, alprazolam, etc.) without requiring different formulations or adjustments, making it a single agent that addresses multiple toxin types through non-specific adsorption mechanisms.
Solution Approach 2:
The patent maintains local specificity through the natural surface properties of microalgal biomass that are optimized for binding various drug molecules. The biomass surface chemistry and physical structure provide localized active sites that can interact with different drug classes, maintaining effective binding affinity across diverse toxin types while requiring no modification of the core biomass formulation.
4Adaptability or versatility
If microalgae biomass is used for drug adsorption, then universal treatment capability is achieved, but the microalgae must be protected from gastric acid to ensure drug adsorption in the intestine
Solution Approach 1:
The patent introduces a protective coating or carrier matrix as an intermediary between the gastric acid environment and the microalgal biomass. This intermediary layer (such as a polymeric coating or encapsulation matrix) allows the biomass to survive the acidic gastric environment intact, then releases or becomes accessible in the neutral intestinal environment where drug adsorption occurs.
Solution Approach 2:
The treatment formulation is segmented into distinct functional components: a protective outer layer that resists gastric acid, and an inner microalgal biomass core that performs drug adsorption. This segmentation allows each component to fulfill its specific function - the outer layer protects against acid damage while the inner biomass remains active for toxin binding in the intestine.
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 gel formulation effectively adsorbs drugs like paracetamol, ibuprofen, and alprazolam, reducing toxic effects and providing a safer alternative to conventional treatments by utilizing microalgae's drug adsorption capabilities, potentially reducing healthcare costs and adverse effects.
Implementation Method 1
Such process occurs mainly through biosorption of contaminants (e.g. pharmaceuticals, heavy metals) by negatively charged cell wall of microalgae
Implementation Method 2
designed for oral administration to adsorb drugs in the gastrointestinal tract, providing a pH-responsive carrier that protects the microalgae biomass and ensures drug adsorption in the intestine
Data Source
AI summary
The present invention relates to a gel formulation for oral administration comprising microalgae biomass from Chlorella sorokiniana, Chlorella vulgaris or Tetradesmus obliquus, free or encapsulated in particles, suitable to adsorb different drugs in the gastrointestinal tract. It is also disclosed a process to obtain the gel formulation. The gel formulation is suitable for the treatment of drug intoxication in humans or animals, therefore finding application in pharmaceutical, medical and veterinary technical fields.