Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Specific IgE and Basophil Activation Test by Microarray: A Promising Tool for Diagnosis of Platinum Compound Hypersensitivity Reactions

Carlos Fernández-Lozano
,
Claudia Geraldine Rita
ORCID logo ,
Alicia Barra-Castro
ORCID logo ,
Belén De la Hoz Caballer
,
Ernesto Roldán
,
Cristina Pueyo López
ORCID logo ,
Javier Martinez-Botas
* ORCID logo ,
María Pilar Berges-Gimeno
*
Version 1 : Received: 26 March 2024 / Approved: 26 March 2024 / Online: 26 March 2024 (17:01:37 CET)

A peer-reviewed article of this Preprint also exists.

Fernández-Lozano, C.; Rita, C.G.; Barra-Castro, A.; de la Hoz Caballer, B.; Roldán, E.; Pueyo López, C.; Martinez-Botas, J.; Berges-Gimeno, M.P. Specific IgE and Basophil Activation Test by Microarray: A Promising Tool for Diagnosis of Platinum Compound Hypersensitivity Reactions. Int. J. Mol. Sci. 2024, 25, 3890. Fernández-Lozano, C.; Rita, C.G.; Barra-Castro, A.; de la Hoz Caballer, B.; Roldán, E.; Pueyo López, C.; Martinez-Botas, J.; Berges-Gimeno, M.P. Specific IgE and Basophil Activation Test by Microarray: A Promising Tool for Diagnosis of Platinum Compound Hypersensitivity Reactions. Int. J. Mol. Sci. 2024, 25, 3890.

Abstract

Drug hypersensitivity reactions (DHR) to platinum-based compounds (PC) are on the rise, and their personalized and safe management is essential to enable first-line treatment of these cancer patients. This study aimed to evaluate the usefulness of basophil activation test by flow cytometry (BAT-FC) and the newly developed sIgE-microarray and BAT-microarray in diagnosing IgE-mediated hypersensitivity reactions to PC. 24 patients with DHR to PC (20 oxaliplatin and four carboplatin) were evaluated: 13 patients diagnosed as allergic with positive skin tests (STs) or drug provocation tests (DPTs), six patients diagnosed as non-allergic with negative STs and DPTs, and five patients classified as suspected allergic because DPTs could not be performed. In addition, four carboplatin-tolerant patients were included as controls. BAT-FC was positive in 2 of 13 allergic patients, with a sensitivity of 15.4% and specificity of 100%. However, the sIgE- and BAT-microarrays were positive in 11 of 13 DHR patients, giving a sensitivity of over 84.6% and a specificity of 90%. Except for one patient, all samples from the non-allergic and control group were negative for the sIgE- and BAT-microarrays. Our experience indicates that sIgE- and BAT-microarray could be helpful in the endophenotyping of IgE-mediated hypersensitivity reactions to PC and may provide an advance in decision-making for drug provocation testing.

Keywords

basophil activation test; drug allergies; hypersensitivity reaction; microarray; platinum compounds

Subject

Medicine and Pharmacology, Immunology and Allergy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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