CYP3A drug metabolism in the developmental age: recent advances

  • Jan Krzysztof Nowak Poznan University of Medical Sciences
  • Bartłomiej Bancerz Poznan University of Medical Sciences
  • Alicja Bartkowska-Śniatkowska Poznan University of Medical Sciences
Keywords: CYP3A5, pharmacokinetics, children, pediatric, midazolam, omeprazole


Introduction. The 3A subfamily of cytochrome P450 (CYP3A) accomplishes phase I metabolism for approximately half of the available medications. We aimed to review the recent advances in our understanding of CYP3A activity, which could apply to infants and toddlers. Methods. A literature review. Results. The reviewed recent data cover: CYP3A7 expression and functions, changes of CYP3A4 function in the first two years of life, CYP3A intestinal metabolism and zonation, CYP3A metabolic programming, pediatric CYP3A pharmacogenetics, the impact of critical illness on CYP3A, phenotyping, and other clinical implications of a better comprehension of CYP3A biology. Conclusions. Although the knowledge of CYP3A enzymes has already changed pediatric practice, much more is to be expected in the upcoming years. The areas to watch include: endogenous markers for phenotyping, new CYP3A7 substrates and products, pharmacogenetic interactions with transporter genes for non-immunomodulatory drugs, as well as interactions with microbiota and specific bioactive foodstuffs.

Author Biographies

Jan Krzysztof Nowak, Poznan University of Medical Sciences
Assisant physician in the Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, Poznan, Poland.
Bartłomiej Bancerz, Poznan University of Medical Sciences
Physician, specialist in pediatrics and pediatric gastroenterology.
Alicja Bartkowska-Śniatkowska, Poznan University of Medical Sciences
The head of Department of Pediatric Anaesthesiology and Intensive Therapy, Poznan University of Medical Sciences, Poznan, Poland.


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How to Cite
Nowak, J., Bancerz, B., & Bartkowska-Śniatkowska, A. (2019). CYP3A drug metabolism in the developmental age: recent advances. Journal of Medical Science.
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