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Value of skin tests for managing allergic hypersensitivity reactions to platinum compounds

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Background Platinum-based therapy continues to be one of the pillars of the treatment of different types of cancer. However, many times the responsible clinician renounces its use after the appearance… Click to show full abstract

Background Platinum-based therapy continues to be one of the pillars of the treatment of different types of cancer. However, many times the responsible clinician renounces its use after the appearance of a hypersensitivity reaction. Objective To assess the value of skin tests (ST) in clinical practice to address the treatment of patients with suspicion of immediate hypersensitivity reactions (HSRs) to platinum compounds. Method Single-center retrospective study of 3 years. Adult patients treated with any platinum compound who experienced HSR symptoms and for whom an oncologist requested ST, were included. ST with cisplatin, carboplatin and oxaliplatin were performed. Results Twenty-two patients were included. ST were positive in 12 patients (54.5%), of which 4 (33%) presented cross-reactivity to another platinum compound. Fifteen patients continued platinum-based chemotherapy: 9 patients with positive ST (4 continued by desensitization and 5 with another platinum compound) and 6 patients with negative ST, of which 1 repeated an HSR. A NPV of 0.91 was calculated. Conclusion ST helped physicians identify patients most susceptible to platinum derivative allergies and resume platinum-based therapy in many patients for whom no suitable therapeutic alternative was clinically acceptable.

Keywords: skin tests; platinum; hypersensitivity reactions; platinum compounds; hypersensitivity; value skin

Journal Title: International Journal of Clinical Pharmacy
Year Published: 2021

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