Journal List > Allergy Asthma Respir Dis > v.7(2) > 1126510

Lee, Lee, Kim, Kang, Lee, Chung, Oh, and Kang: A case of rapid desensitization for rituximab-induced delayed hypersensitivity reaction

Abstract

Rituximab is a monoclonal antibody used for the treatment of B-cell malignancies, including diffuse large B-cell lymphoma. Infusion-related hypersensitivity reactions to rituximab is well known, and delayed hypersensitivity reactions to rituximab are also reported. Desensitization is commonly used to prevent immediate hypersensitivity reactions, but recently there have been cases of successful desensitization therapy for delayed hypersensitivity reactions. A 66-year-old patient who underwent rituximab treatment for diffuse large B-cell lymphoma showed repeated rituximab-induced delayed hypersensitivity reactions with whole body rashes. Intravenous rapid desensitization was performed by using a 1-bottle, 11-step protocol for 6 cycles and thereafter hypersensitivity reaction did not recur. We herein reported a case of delayed hypersensitivity reaction caused by rituximab, which was successfully desensitized using our 11-step protocol.

References

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Fig. 1.
Clinical feature of rituximab-induced delayed hypersensitivity.
aard-7-109f1.tif
Table 1.
A 1 bag desensitization protocol used for a case of delayed hypersensitivity to rituximab
Concentration (mg/mL) Rate (mL/hr) Minute Dose (mg) Volume (mL)
3.10345 0.1 15 0.0776 0.025
3.10345 0.2 15 0.1552 0.05
3.10345 0.5 15 0.3879 0.13
3.10345 1.2 15 0.9310 0.30
3.10345 2.5 15 1.9397 0.63
3.10345 5 15 3.8793 1.3
3.10345 10 15 7.7586 2.5
3.10345 20 15 15.5172 5.0
3.10345 40 15 31.0345 10.0
3.10345 80 15 62.0690 20.0
3.10345 130 78.0 524.1724 168.9
Total   213.0 675.00 217.5
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