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An Optimized and Standardized Rapid Flow Cytometry Functional Method for Heparin-Induced Thrombocytopenia
Anne Runser1, Caroline Schaning1, Frédéric Allemand1
1Emosis SAS, 11 Rue de l'Industrie, 67400 Illkirch, France.
Biomedicines
|April 3, 2021
Summary
Heparin-induced thrombocytopenia (HIT) diagnosis is improved by a standardized flow cytometry assay. This functional test enhances accuracy, reducing false positives and aiding rapid clinical decisions for patients with suspected HIT.
Area of Science:
- Immunology
- Hematology
- Medical Diagnostics
Background:
- Heparin-induced thrombocytopenia (HIT) presents a diagnostic challenge due to its immune-mediated mechanism and associated thrombotic risk.
- Current diagnostic methods include clinical scoring and laboratory tests, with antigen-binding assays offering high negative predictive value but low positive predictive value.
- Functional assays are specific but technically complex, limiting their widespread use.
Purpose of the Study:
- To describe the standardization of a flow cytometry assay for HIT.
- To introduce a CE-marked, standardized functional assay for HIT diagnosis.
Main Methods:
- Standardization of a heparin-induced thrombocytopenia flow cytometry assay (HIT-FCA).
- Development and commercialization of a CE-marked functional assay (HIT Confirm®).
Main Results:
- The standardized HIT-FCA method was developed.
- A CE-marked commercial assay based on this method is now available.
Conclusions:
- Standardization of flow cytometry assays can overcome technical challenges.
- This leads to the development of rapid, reliable functional tests for HIT diagnosis, improving patient care.
