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Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS
Published on: November 8, 2015
Intravenous tacrolimus and cyclosporine induced anaphylaxis: what is next?
Sung-Yoon Kang1, Kyoung-Hee Sohn1, Jeong-Ok Lee2
1Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam 463-707, Korea. ; Department of Internal Medicine, Seoul National University College of Medicine, Seoul 110-799, Korea. ; Seoul National University Medical Research Center, Seoul National University College of Medicine, Seoul 110-799, Korea.
Abstract:
Tacrolimus and cyclosporine have been used in various formulations, but their hypersensitivity reactions are rare in practice. Castor oil derivatives are nonionic surfactants used in aqueous preparations of hydrophobic active pharmaceutical ingredients. Castor oil derivatives that can be used as additives to tacrolimus and cyclosporine may play a role in the development of hypersensitivity reactions, especially anaphylaxis. Various immunologic and nonimmunologic mechanisms have been implicated in hypersensitivity reactions induced by castor oil derivatives. Physicians should be aware that not only the drug itself, but also its additives or metabolites could induce hypersensitivity reactions. We report a case of anaphylaxis caused by vitamin K (phytonadine), serotonin antagonist (granisetron), intravenous tacrolimus, and cyclosporine. Interestingly, the patient tolerated oral cyclosporine, which did not contain Cremophor EL or polysorbate 80.
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