Preparations of exploration of immediate hypersensitivity to antineoplastic agents: An oncology pharmacy perspective

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Dubromel, Amélie | Caffin, Anne-Gaëlle | Hacard, Florence | Vantard, Nicolas | Baudouin, Amandine | Herledan, Chloé | Larbre, Virginie | Schwiertz, Vérane | Nosbaum, Audrey | Pralong, Pauline | Nicolas, Jean-François | Berard, Frédéric | Rioufol, Catherine | Ranchon, Florence

Edité par CCSD ; SAGE Publications -

International audience. Background Cancer patients are being exposed to antineoplastic drugs more frequently and for longer periods, resulting in a higher risk of hypersensitivity reactions. The aim of this study was to assess the pharmaceutical time and direct cost of drug allergy explorations following immediate hypersensitivity reactions to antineoplastic agents. Methods A micro-costing method was used to collect data on consumption of human and material resources for allergy exploration preparations. The monetisation was carried out on the basis of prices and hourly wage costs applied in 2018. The number and type of allergy explorations prepared by the pharmacy as well as nature of antineoplastic drugs tested, and the number of culprit drugs reintroductions were collected. Results Almost 1.5 h is required to realise allergy tests for one patient including pharmacist time for prescription analysis and pharmacy technician's time for tests preparation. The mean manufacturing cost of these tests is estimated at €62.87 (€57.82–65.49) per culprit drug for one patient. Programming patients according to culprit drugs tested allows rationalising healthcare provider time and increasing efficiency. From January 2010 to December 2018, 277 patients were tested and 490 allergy explorations were performed, corresponding to more than 5000 preparations. Mostly, the culprit drug could be reintroduced ( n = 383, 78.2%) allowing patients to receive the best possible treatment. Conclusion Management of hypersensitivity reactions is constantly progressing, as it contributes to improving patient care in oncology. This activity is time-consuming for the pharmacy team but allows patients with previous hypersensitivity reaction to continue effective treatment.

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