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Contact Details

Department of Paediatrics (Christchurch)
Research summary
Gastrointestinal disorders in children


Andrew Day trained in paediatrics in Christchurch and undertook further subspeciality training in Toronto, Canada. After completing clinical and research training in Canada, Dr Day took up a clinical academic position at University of New South Wales, Sydney, Australia. He returned to the department in 2009 and was appointed to Head of Department in 2010.

Professor Day is a paediatric gastroenterologist. His research interests include Inflammatory Bowel disease, Crohn’s disease and Coeliac disease, with projects focusing upon host-pathogen interactions in the gut (and how these relate to chronic gut diseases), intestinal inflammatory biomarkers, and nutritional aspects of gut diseases.


Pipicella, J. L., Dutt, S., Giles, E., Day, A. S., Wright, R., Goodfellow, T., … Connor, S. J. (2024). A glance into paediatric Inflammatory Bowel Disease in Australasia: Crohn's Colitis Cure (CCC) data insights program. Journal of Crohn's & Colitis, 18(Suppl. 1), P940. doi: 10.1093/ecco-jcc/jjad212.1070 Conference Contribution - Published proceedings: Abstract

Vernon-Roberts, A., Humphrey, O., & Day, A. S. (2024). Exploring the diagnostic spectrum of children with raised faecal calprotectin levels. Children, 11, 420. doi: 10.3390/children11040420 Journal - Research Article

Tao, Q., Chang, Y., Day, A. S., Wu, J., & Wang, X. (2024). Association between serum 25-hydroxyvitamin D level and myopia in children and adolescents: A cross-sectional study. Translational Pediatrics, 13(2), 310-317. doi: 10.21037/tp-23-617 Journal - Research Article

Vernon-Roberts, A., Day, A. S., on behalf of the PEDiatric Australasian Gastroenterology REsearch NEtwork (PEDAGREE). (2024). Patterns of vitamin D testing and supplementation for children with inflammatory bowel disease in Australasia. JGH Open, 8, e13041. doi: 10.1002/jgh3.13041 Journal - Research Article

Swaminathan, A., Borichevsky, G. M., Frampton, C. M., Day, A. S., Hampton, M. B., Kettle, A. J., & Gearry, R. B. (2024). Comparison of fecal calprotectin and myeloperoxidase in predicting outcomes in inflammatory bowel disease. Inflammatory Bowel Diseases. Advance online publication. doi: 10.1093/ibd/izae032 Journal - Research Article

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