Oxaliplatin-induced hypersensitivity reactions: risk factors and management

A. Selcuk, B. Yıldız

Department of Immunology and Allergy, Malatya Training and Research Hospital, Malatya, Turkey. draliselcuk@gmail.com

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• Allergology
• Pharmacology

OBJECTIVE: Chemotherapy-related adverse reactions have been steadily increasing in recent years. In patients who develop oxaliplatin-induced hypersensitivity reactions (HSRs), prognosis and quality of life are adversely affected. Proper management of cancer patients enables them to safely receive first-line treatments. This study aimed to assess the risk factors in oxaliplatin-induced HSRs and the effectiveness of the rapid desensitization protocol.

PATIENTS AND METHODS: In the study, 57 patients treated with oxaliplatin between October 2019 and August 2020 in the Medical Oncology Department of Elazig City Hospital were retrospectively evaluated. We analyzed patients’ clinical histories to reveal any associations with the development of oxaliplatin-induced HSRs. Moreover, we re-evaluated 11 patients with oxaliplatin-induced HSRs through infusion time or desensitization procedures.

RESULTS: Of 57 patients treated with oxaliplatin, 11 (19.3%) had HSRs. Patients with HSRs were younger and had higher peripheral blood eosinophil counts than those without HSRs (p=0.004, p=0.020, respectively). Prolongation of the infusion time was effective in the re-administration of oxaliplatin in six of the hypersensitive patients. Rapid desensitization protocol was performed for a total of 11 cycles in four patients with recurrent HSRs, and their chemotherapy regimens were successfully completed.

CONCLUSIONS: This retrospective study has revealed that younger ages and higher peripheral eosinophil counts could be predictive for oxaliplatin-induced HSR. Furthermore, the study confirms that prolongation of the infusion time and rapid desensitization protocol are effective in patients with HSRs.

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