IBS Allergy Patch Testing for Type 4 Hypersensitivity
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Solution Overview
Problem
Current methods for diagnosing and treating irritable bowel syndrome (IBS) are inadequate, as they do not account for type 4 hypersensitivity reactions, which are believed to contribute significantly to IBS symptoms, and there is a lack of integration between dermatology and gastroenterology in addressing this chronic disorder.
Innovation Solution
A patch and kit for IBS testing that includes test materials known to cause allergic contact dermatitis, allowing for skin patch testing to identify specific allergens, and a method to limit the intake of these allergens based on positive test results.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional diagnostic methods for IBS are used, then the diagnosis process is simple and quick, but the diagnostic accuracy is insufficient and cannot identify specific allergens
Solution Approach 1:
The testing system is segmented into multiple components: a patch with multiple test materials arranged in specific zones, application devices, and evaluation protocols. This segmentation allows systematic testing of multiple allergens simultaneously while maintaining organizational clarity and ease of use.
Solution Approach 2:
The patch acts as an intermediary device that introduces test materials between the patient's skin and the diagnostic system. The patch materials serve as mediators to elicit type 4 hypersensitivity reactions, enabling indirect detection of allergens without direct invasive testing.
2Loss of information
If type 4 hypersensitivity testing is implemented, then the ability to identify specific allergens is improved, but the testing time and procedure complexity increase
Solution Approach 1:
The patch is pre-loaded with multiple test materials in predetermined zones before application to the patient. This preliminary preparation eliminates the need for on-site material preparation and allows immediate testing upon application, reducing overall testing time while maintaining comprehensive allergen screening capability.
Solution Approach 2:
The patch enables continuous contact between test materials and the patient's skin over the testing period, maintaining constant exposure without requiring repeated applications or interruptions. This continuous action facilitates consistent immune response detection while streamlining the testing protocol.
3Adaptability or versatility
If comprehensive food allergen testing is performed, then the diagnostic thoroughness is improved, but the device complexity and number of test materials increase
Solution Approach 1:
The patch is designed as a universal testing device that can evaluate multiple food allergens and potential irritants simultaneously in a single application. The standardized patch format and reading protocol provide multi-functional capability to screen for various types of hypersensitivity reactions without requiring separate testing systems for each allergen.
Solution Approach 2:
Different zones of the patch are designed with specific test materials tailored to detect particular types of hypersensitivity reactions. This local differentiation allows comprehensive testing while maintaining organizational clarity, with each zone serving a specific diagnostic purpose within the overall unified testing system.
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 method provides a more specific diagnostic tool for IBS by identifying type 4 hypersensitivity allergens, potentially reducing IBS symptoms through dietary adjustments, thereby improving quality of life and reducing societal costs.
Implementation Method 1
The Type 4 reaction involves sensitized lymphocytes or T-cells which respond to a specific material and which are believed to be at least as specific as an antibody to the material producing the immune response. Skin patch testing where one or more possible allergens are brought into contact with the surface of the skin may be used here.
Implementation Method 2
This reaction is seen as an allergic contact dermatitis, usually manifesting as a red macule(s), papule(s), plaque(s), vesicle(s) and/or bulla (e) at the patch test site.
Data Source
AI summary
Methods and items useful at least therein are provided for IBS related testing and treatment. Disclosed is a patch useful in determining if one or more test materials can cause allergic contact dermatitis in a patient. A kit containing information on use and that may include such a patch and/or test material(s) is also disclosed. A method of IBS related testing including performing skin patch testing on a patient presenting IBS symptoms using at least one test material that can cause allergic contact dermatitis is provided. A method for the treatment of IBS which includes limiting the intake by a patient presenting IBS symptoms of at least one material that gives a positive skin patch test result in the patient is also disclosed.