2009
DOI: 10.1007/s00280-009-1009-6
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Successful desensitization with cetuximab after an infusion reaction to panitumumab in patients with metastatic colorectal cancer

Abstract: To our knowledge, this is the first report of two patients with documented IR with panitumumab being desensitized successfully with cetuximab. Though anecdotal reports suggest safety of panitumumab in patients following IR with cetuximab, panitumumab can also cause severe IR. Our experience suggests that in case of limited options, such patients can be successfully challenged with cetuximab in a hospital after appropriate desensitization and premedication. Further studies focusing on desensitization and identi… Show more

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Cited by 19 publications
(14 citation statements)
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“…The lower incidence with panitumumab as compared with cetuximab is likely due to panitumumab being a fully humanized antibody (81). The mechanisms of infusion and hypersensitivity reactions to the two antibodies may differ, and cases of successful treatment with panitumumab after severe hypersensitivity to cetuximab, as well as vice versa, have been described (82)(83)(84).…”
Section: Infusion Reactionsmentioning
confidence: 99%
“…The lower incidence with panitumumab as compared with cetuximab is likely due to panitumumab being a fully humanized antibody (81). The mechanisms of infusion and hypersensitivity reactions to the two antibodies may differ, and cases of successful treatment with panitumumab after severe hypersensitivity to cetuximab, as well as vice versa, have been described (82)(83)(84).…”
Section: Infusion Reactionsmentioning
confidence: 99%
“…Successful desensitization protocols are usually time-consuming [30, 32, 33, 38, 50, 5357, 8991]. Prolonged desensitization is probably more tolerable when considering the changes caused in the extracellular fluid drug concentration rate [94]. However, rapid protocols that develop desensitization within 4–8 hours have also been attempted [78].…”
Section: Treatment Strategiesmentioning
confidence: 99%
“…Saif et al described two mCRC patients with severe infusion reactions to panitumumab who were successfully challenged with cetuximab99, and three patients with severe hypersensitivity reactions to cetuximab who were successfully challenged with panitumumab100. The two patients who were switched to cetuximab received premedication with prednisone and antihistamines, and were treated with cetuximab according to a prolonged infusion time and gradual dose escalation99. None of the three patients successfully switched to panitumumab received pretreatment100.…”
Section: Infusion Reactionsmentioning
confidence: 99%