Desensitization for the prevention of drug hypersensitivity reactions
- Authors
- Kang, Sung-Yoon; Seo, Jeongmin; Kang, Hye-Ryun
- Issue Date
- Mar-2022
- Publisher
- 대한내과학회
- Keywords
- Drug hypersensitivity; Desensitization; immunologic; Antineoplastic agents; Anti-bacterial agents; Anti-inflammatory agents; non-steroidal
- Citation
- The Korean Journal of Internal Medicine, v.37, no.2, pp.261 - 270
- Journal Title
- The Korean Journal of Internal Medicine
- Volume
- 37
- Number
- 2
- Start Page
- 261
- End Page
- 270
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83810
- DOI
- 10.3904/kjim.2021.438
- ISSN
- 1226-3303
- Abstract
- Drug desensitization is the temporary induction of tolerance to a sensitized drug by administering slow increments of the drug, starting from a very small amount to a full therapeutic dose. It can be used as a therapeutic strategy for patients with drug hypersensitivity when no comparable alternatives are available. Desensitization has been recommended for immunoglobulin E (IgE)-mediated immediate hypersensitivity; however, its indications have recently been expanded to include non-IgE-mediated, non-immunological, or delayed T cell-mediated reactions. Currently, the mechanism of desensitization is not fully understood. However, the attenuation of various intracellular signals in target cells is an area of active research, such as high-affinity IgE receptor (FcεRI) internalization, anti-drug IgG4 blocking antibody, altered signaling pathways in mast cells and basophils, and reduced Ca2+ influx. Agents commonly requiring desensitization include antineoplastic agents, antibiotics, antituberculous agents, and aspirin/nonsteroidal antiinflammatory drugs. Various desensitization protocols (rapid or slow, multi-bag or one-bag, with different target doses) have been proposed for each drug. An appropriate protocol should be selected with the appropriate concentration, dosage, dosing interval, and route of administration. In addition, the protocol should be adjusted with consideration of the severity of the initial reaction, the characteristics of the drug itself, as well as the frequency, pattern, and degree of breakthrough reactions.
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