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Rechallenges without desensitization following platinum-based chemotherapy reactions. | LitMetric

Rechallenges without desensitization following platinum-based chemotherapy reactions.

J Oncol Pharm Pract

Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Medicine, UCSF, San Francisco, CA, USA.

Published: April 2024

AI Article Synopsis

Article Abstract

Background: There is increasing interest in non-desensitization protocols as a potential way to reintroduce chemotherapy following hypersensitivity reactions (HSR).

Objective: To provide insight into the potential utility of non-desensitization reintroduction, particularly at institutions where allergy consultation may not be available.

Methods: For 70 patients with platinum HSR who underwent rechallenge with standard (≤2 hours), extended (1-bag, 1-step, 4-6 hours), or titrated (4-to-5-bag and -step, 6-7.5 hours) infusions between 1/2014 and 7/2019, demographics and clinical characteristics were reviewed and initial and breakthrough reactions (BTR) were graded using Common Terminology Criteria for Adverse Events version 5.0 (CTCAE v5.0). Tolerance (no BTR) and completion (dose completed despite BTR) were compared using Fisher's exact test.

Results: Patients (mean [standard deviation] age 57 [13] years, initial HSR grade 2 [1]), were rechallenged with standard ( = 8), extended ( = 23), or titrated ( = 22) infusions after oxaliplatin HSR; and standard ( = 5) or titrated ( = 12) after carboplatin HSR. Tolerance and completion were higher for extended versus (vs) standard (tolerance-87%-vs-8%,  < 0.005; completion-96%-vs-38%,  < 0.005) and titrated versus standard (tolerance-76%-vs-8%,  < 0.005; completion-79%-vs-38%,  < 0.05) infusions.

Conclusions: Extended and titrated infusions may increase reintroduction safety compared to standard infusions. Further investigation into extended infusions may provide a safe alternative to standard infusions in patients who may not have access to desensitization at their institution.

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Source
http://dx.doi.org/10.1177/10781552241229024DOI Listing

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