Polysaccharide Barrier for GERD Symptom Relief
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Solution Overview
Problem
Current treatments for heartburn and gastro-oesophageal reflux disease (GERD) often have limitations, such as short-lasting effects, failure to prevent symptoms, and potential side effects, particularly with existing polysaccharide-based compositions that do not provide sustained protection against gastric acid reflux.
Innovation Solution
A pharmaceutical preparation comprising a specific group of water-soluble branched or linear polysaccharides with high hydration rates and stability at acidic pH, forming a protective, highly viscous solution in the stomach to act as an artificial mucosal barrier, preferably galactomannans from fenugreek seeds, which maintains viscosity and molecular weight under acidic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional polysaccharide-based compositions are used to treat heartburn and GERD, then some symptomatic relief is provided, but the protective effect is short-lasting and does not provide sustained protection against gastric acid reflux
Solution Approach 1:
The patent applies parameter changes by selecting polysaccharides with specific molecular weight ranges (number average molecular weight Mn between 10,000 and 1,000,000, preferably 50,000 and 500,000) and specific viscosity characteristics (intrinsic viscosity [η] between 0.1 and 10.0 dl/g). These parameter specifications ensure the polysaccharide forms a stable, long-lasting protective barrier in the stomach, extending the duration of action and providing sustained protection against acid reflux, thereby resolving the contradiction between short-lasting effects and need for sustained protection.
Solution Approach 2:
The patent employs composite materials by using specific polysaccharides that combine high molecular weight characteristics with appropriate viscosity properties. The polysaccharide composition acts as a composite system where the molecular structure and physical properties work together to form a stable gel-like barrier that provides extended protection, addressing both the duration and reliability requirements for GERD treatment.
2Duration of action of moving object
If polysaccharides with high molecular weight are used to extend protection duration, then the protective barrier lasts longer, but the viscosity and hydration properties may be insufficient to maintain effective barrier function
Solution Approach 1:
The patent resolves this contradiction by precisely controlling multiple parameters simultaneously: molecular weight (Mn: 10,000-1,000,000), intrinsic viscosity ([η]: 0.1-10.0 dl/g), and hydration characteristics. This multi-parameter optimization ensures that the polysaccharide maintains both extended protection duration and stable viscosity under gastric acidic conditions, preventing the trade-off between duration and stability.
Solution Approach 2:
The patent applies preliminary action by pre-selecting polysaccharides with optimized molecular and physical properties before administration. The polysaccharide is chosen in advance to have the specific molecular weight and viscosity characteristics needed to withstand gastric conditions, ensuring that when it contacts stomach acid, it immediately forms a stable, long-lasting barrier without degrading or losing viscosity control.
3Object-affected harmful factors
If existing polysaccharide compositions are administered, then some reduction in heartburn symptoms is achieved, but they fail to prevent symptoms and require repeated dosing with other medications
Solution Approach 1:
The patent applies preliminary action by administering the optimized polysaccharide preparation in advance to create a protective barrier before acid reflux occurs. This prophylactic approach prevents heartburn and GERD symptoms rather than merely treating them after onset, extending the protection period and reducing the need for repeated dosing with other medications.
Solution Approach 2:
The patent achieves continuity of useful action through the polysaccharide's sustained barrier-forming capability. The optimized molecular and physical properties ensure the protective effect continues uninterrupted over an extended period, maintaining constant protection against acid reflux and eliminating the need for intermittent dosing, thereby addressing both symptom reduction and prolonged prophylactic action.
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 polysaccharide preparation effectively reduces and prevents heartburn and GERD symptoms by forming a protective barrier in the stomach, providing both therapeutic and prophylactic benefits, with a high degree of hydration and viscosity that lasts for an extended period, reducing the need for other medications.
Implementation Method 1
A method for reducing the symptoms of heartburn and/or gastro-oesophageal reflux disease comprising administering an effective amount of a water-soluble branched or linear polysaccharide, wherein said polysaccharide has a hydration rate, measured by the viscosity development curve over time
Implementation Method 2
wherein the apparent viscosity of a 1 wt.-% solution of said polysaccharide in water is at least 500 mPa·s (cps) at 20 °C and shear rates up to 60 s-1
Data Source
Figure 1
AI summary
The invention is directed to the use of a specific group of polysaccharides for reducing the symptoms of heartburn and gastroesophageal reflux isease. In addition, a pharmaceutical preparation is provided comprising a specific group of polysaccharides having a high hydration rate, a high viscosity, and a high stability at low pH. Such a preparation is particularly effective in reducing the symptoms of heartburn and/or gastro-oesophageal reflux disease, particularly when consumed in dry form.