oa Current Allergy & Clinical Immunology - Biotransformation : can we apply this to allergy and immunology? : review article

Volume 27, Issue 1
  • ISSN : 1609-3607



During medical training all doctors are taught the importance of the cytochrome P450 (CYP) system and the detoxification functions of the liver. An important challenge for pharmaceutical companies is launching new pharmaceutical entities that have an acceptable safety profile and this usually entails finding molecules with a limited effect on the CYP system. Biotransformation seems to be a novel concept in allergy and immunology but ironically it has been used extensively in the medical field over many decades. This article is aimed at providing a differential diagnosis to those patients that do not quite fit the allergic picture/profile, using the concept of biotransformation to analyse them and ideally find a new solution to their disease profile. Examples of these extraordinary patients include those with numerous drug reactions but with no common 'allergic' trigger, recurring upper airway infections or chronic otitis media and common variable immunodeficiency, difficult to control asthmatics with concomitant inflammatory diseases like ulcerative colitis and the 'allergic' rhinitic with no obvious causative allergen.

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