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Related Experiment Video

Updated: Aug 12, 2025

Basophil Activation Test for Allergy Diagnosis
07:22

Basophil Activation Test for Allergy Diagnosis

Published on: May 31, 2021

8.4K

Towards an FDA-cleared basophil activation test.

Oral Alpan1, Richard L Wasserman2, Theodore Kim3

  • 1Amerimmune, Fairfax, VA, United States.

Frontiers in Allergy
|January 26, 2023
PubMed
Summary
This summary is machine-generated.

Accurate food allergy diagnosis remains challenging due to a lack of reliable tests. The basophil activation test (BAT) shows promise as a functional assay for clinical use, but requires a clear regulatory pathway.

Keywords:
basophil activation testfood allergyfood and drug administrationlaboratory developed testpeanut allergy

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Area of Science:

  • Immunology
  • Allergology
  • Diagnostic Medicine

Background:

  • Food allergy affects up to 10% globally, posing a significant health challenge.
  • Current diagnostic methods for food allergies lack precision and standardized clinical correlation.
  • Existing tests, including IgE measurement and skin tests, have limitations in accuracy and regulatory approval.

Purpose of the Study:

  • To review the current landscape of food allergy diagnostics.
  • To evaluate the potential of the basophil activation test (BAT) as a clinical diagnostic tool.
  • To outline the regulatory roadmap for the clinical adoption of BAT.

Main Methods:

  • Review of existing literature on food allergy diagnostic methods.
  • Analysis of the performance and potential of epitope mapping and basophil activation test (BAT).
  • Consideration of regulatory requirements for diagnostic assays by the FDA.

Main Results:

  • No single flawless test currently exists for confirming or ruling out food allergies.
  • Basophil activation test (BAT) is a functional assay with growing clinical use in private practices.
  • Both epitope mapping and BAT require FDA clearance for widespread clinical distribution.

Conclusions:

  • The basophil activation test (BAT) presents a promising functional assay for improved food allergy diagnosis.
  • Understanding the regulatory pathway is crucial for the broader clinical implementation of BAT.
  • Further development and regulatory approval are needed to establish BAT as a standard diagnostic tool.