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Health Sciences profile

Professor Richard Gearry

PositionProfessor
DepartmentDepartment of Medicine (UOC)
QualificationsMB ChB PhD FRACP
Research summaryGastrointestinal disease

Research

Richard is Professor in Medicine and Consultant Gastroenterologist at Christchurch Hospital. His research interests include:
  • Luminal Gastroenterology
  • Inflammatory Bowel Disease
  • Coeliac Disease
  • Irritable Bowel Syndrome
  • Colorectal Cancer

He is the Medical Director, New Zealand Nutrition Foundation and the Medical Advisor, Crohn’s and Colitis New Zealand

Publications

Batt, C., Fanning, N., Drake, J., Frampton, C., Gearry, R. B., & Stamp, L. K. (2017). Fructose malabsorption in people with and without gout a case controlled study. Seminars in Arthritis & Rheumatism. Advance online publication. doi: 10.1016/j.semarthrit.2017.03.018

Duvoisin, G., Lopez, R. N., Day, A. S., Lemberg, D. A., Gearry, R. B., & Leach, S. T. (2017). Novel biomarkers and the future potential of biomarkers in inflammatory bowel disease. Mediators of Inflammation, 2017, 1936315. doi: 10.1155/2017/1936315

Grant, E., Gearry, R. B., Wilson, R., Pearson, J., & Skidmore, P. M. L. (2017). Home availability of fruit and vegetables and obesogenic foods as an indicator of nutrient intake in 50 year olds from Canterbury, New Zealand. Asia Pacific Journal of Clinical Nutrition. Advance online publication. doi: 10.6133/apjcn.042016.11

Nanayakkara, W. S., Gearry, R. B., Muir, J. G., O'Brien, L., Wilkinson, T. J., Williman, J. A., & Skidmore, P. M. L. (2017). Gastrointestinal symptoms and FODMAP intake of aged-care residents from Christchurch, New Zealand. Nutrients, 9(10), 1083. doi: 10.3390/nu9101083

Julsgaard, M., Hvas, C. L., Gearry, R. B., Vestergaard, T., Fallingborg, J., Svenningsen, L., … Bell, S. J. (2017). Fecal calprotectin is not affected by pregnancy: Clinical implications for the management of pregnant patients with inflammatory bowel disease. Inflammatory Bowel Diseases. Advance online publication. doi: 10.1097/mib.0000000000001136

Chapter in Book - Research

Drummond, L., & Gearry, R. B. (2013). Kiwifruit modulation of gastrointestinal motility. In M. Boland & P. J. Moughan (Eds.), Advances in food and nutrition research (Vol. 68): Nutritional benefits of kiwifruit. (pp. 219-232). Waltham, MA: Academic Press. doi: 10.1016/B978-0-12-394294-4.00012-2

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Journal - Research Article

Batt, C., Fanning, N., Drake, J., Frampton, C., Gearry, R. B., & Stamp, L. K. (2017). Fructose malabsorption in people with and without gout a case controlled study. Seminars in Arthritis & Rheumatism. Advance online publication. doi: 10.1016/j.semarthrit.2017.03.018

Julsgaard, M., Hvas, C. L., Gearry, R. B., Vestergaard, T., Fallingborg, J., Svenningsen, L., … Bell, S. J. (2017). Fecal calprotectin is not affected by pregnancy: Clinical implications for the management of pregnant patients with inflammatory bowel disease. Inflammatory Bowel Diseases. Advance online publication. doi: 10.1097/mib.0000000000001136

Nanayakkara, W. S., Gearry, R. B., Muir, J. G., O'Brien, L., Wilkinson, T. J., Williman, J. A., & Skidmore, P. M. L. (2017). Gastrointestinal symptoms and FODMAP intake of aged-care residents from Christchurch, New Zealand. Nutrients, 9(10), 1083. doi: 10.3390/nu9101083

Grant, E., Gearry, R. B., Wilson, R., Pearson, J., & Skidmore, P. M. L. (2017). Home availability of fruit and vegetables and obesogenic foods as an indicator of nutrient intake in 50 year olds from Canterbury, New Zealand. Asia Pacific Journal of Clinical Nutrition. Advance online publication. doi: 10.6133/apjcn.042016.11

Duvoisin, G., Lopez, R. N., Day, A. S., Lemberg, D. A., Gearry, R. B., & Leach, S. T. (2017). Novel biomarkers and the future potential of biomarkers in inflammatory bowel disease. Mediators of Inflammation, 2017, 1936315. doi: 10.1155/2017/1936315

Lopez, R. N., Evans, H. M., Appleton, L., Bishop, J., Chin, S., Mouat, S., Gearry, R., & Day, A. S. (2017). Point prevalence of pediatric inflammatory bowel disease in New Zealand in 2015: Initial results from the PINZ study. Inflammatory Bowel Diseases. Advance online publication. doi: 10.1097/mib.0000000000001138

Bayer, S. B., Gearry, R. B., & Drummond, L. N. (2017). Putative mechanisms of kiwifruit on maintenance of normal gastrointestinal function. Critical Reviews in Food Science & Nutrition. Advance online publication. doi: 10.1080/10408398.2017.1327841

Wallace, A., Eady, S., Drummond, L., Hedderley, D., Ansell, J., & Gearry, R. (2017). A pilot randomized cross-over trial to examine the effect of kiwifruit on satiety and measures of gastric comfort in healthy adult males. Nutrients, 9(7), 639. doi: 10.3390/nu9070639

Lopez, R. N., Appleton, L., Gearry, R. B., & Day, A. S. (2017). Rising incidence of paediatric inflammatory bowel disease in Canterbury, New Zealand, 1996-2015. Journal of Pediatric Gastroenterology & Nutrition. Advance online publication. doi: 10.1097/mpg.0000000000001688

Chen, G.-B., Lee, S. H., Montgomery, G. W., Wray, N. R., Visscher, P. M., Gearry, R. B., … Moser, G. (2017). Performance of risk prediction for inflammatory bowel disease based on genotyping platform and genomic risk score method. BMC Medical Genetics, 18, 94. doi: 10.1186/s12881-017-0451-2

Wilson, R., Willis, J., Gearry, R., Skidmore, P., Fleming, E., Frampton, C., & Carr, A. (2017). Inadequate vitamin C status in prediabetes and type 2 diabetes mellitus: Associations with glycaemic control, obesity, and smoking. Nutrients, 9(9), 997. doi: 10.3390/nu9090997

Hamilton, A. L., Kamm, M. A., De Cruz, P., Wright, E. K., Selvaraj, F., Princen, F., … Gearry, R. B., … Connell, W. R. (2017). Serologic antibodies in relation to outcome in postoperative Crohn's disease. Journal of Gastroenterology & Hepatology, 32(6), 1195-1203. doi: 10.1111/jgh.13677

McCombie, A., Gearry, R. B., Lopez, R. N., Lönnfors, S., & Day, A. S. (2017). Enhancements in confidence, acceptance, and friendship at a summer camp for children with inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition. Advance online publication. doi: 10.1097/mpg.0000000000001526

Doecke, J. D., Hartnell, F., Bampton, P., Bell, S., Mahy, G., Grover, Z., … Gearry, R. B., … On behalf of Australian and New Zealand Inflammatory Bowel Disease Consortium. (2017). Infliximab vs. adalimumab in Crohn's disease: Results from 327 patients in an Australian and New Zealand observational cohort study. Alimentary Pharmacology & Therapeutics, 45(4), 542-552. doi: 10.1111/apt.13880

Lee, Y., McCombie, A., Gearry, R., Frizelle, F. A., Vanamala, R., Leong, R. W., & Eglinton, T. (2016). Disability in restorative proctocolectomy recipients measured using the inflammatory bowel disease disability index. Journal of Crohn's & Colitis, 10(12), 1378-1384. doi: 10.1093/ecco-jcc/jjw114

Su, H. Y., Gupta, V., Day, A. S., & Gearry, R. B. (2016). Rising incidence of inflammatory bowel disease in Canterbury, New Zealand. Inflammatory Bowel Diseases, 22(9), 2238-2244. doi: 10.1097/mib.0000000000000829

Gearry, R. B. (2016). IBD and environment: Are there differences between East and West. Digestive Diseases, 34(1-2), 84-89. doi: 10.1159/000442933

Siegel, C. A., Whitman, C. B., Spiegel, B. M. R., Feagan, B., Sands, B., Loftus, Jr, E. F., … Gearry, R., … Peyrin-Biroulet, L. (2016). Development of an index to define overall disease severity in IBD. Gut. Advance online publication. doi: 10.1136/gutjnl-2016-312648

McCombie, A., Gearry, R., Andrews, J., Mulder, R., & Mikocka-Walus, A. (2016). Does computerized cognitive behavioral therapy help people with inflammatory bowel disease? A randomized controlled trial. Inflammatory Bowel Diseases, 22(1), 171-181. doi: 10.1097/mib.0000000000000567

Cleynen, I., Boucher, G., Jostins, L., Schumm, L. P., Zeissig, S., Ahmad, T., … Gearry, R. B., … Lees, C. W. (2016). Inherited determinants of Crohn's disease and ulcerative colitis phenotypes: A genetic association study. Lancet, 387(10014), 9-15. doi: 10.1016/s0140-6736(15)00465-1

Wright, E. K., Kamm, M. A., De Cruz, P., Hamilton, A. L., Ritchie, K. J., Keenan, J. I., … Burgess, L., Aitchison, A., … Day, A. S., & Gearry, R. B. (2016). Comparison of fecal inflammatory markers in Crohn's disease. Inflammatory Bowel Diseases, 22(5), 1086-1094. doi: 10.1097/mib.0000000000000671

McCombie, A., Swaminathan, A., Mulder, R., Frampton, C., Kortlever, T., & Gearry, R. (2016). The IBD-Cope: A new instrument for measuring coping in inflammatory bowel disease patients. Journal of Crohn's & Colitis, 10(6), 678-686. doi: 10.1093/ecco-jcc/jjw028

De Voogd, F. A. E., Gearry, R. B., Mulder, C. J., & Day, A. S. (2016). Osteoprotegerin: A novel biomarker for inflammatory bowel disease and gastrointestinal carcinoma. Journal of Gastroenterology & Hepatology, 31, 1386-1392. doi: 10.1111/jgh.13324

Julsgaard, M., Christensen, L. A., Gibson, P. R., Gearry, R. B., Fallingborg, J., Hvas, C. L., … Bell, S. J. (2016). Concentrations of adalimumab and infliximab in mothers and newborns, and effects on infection. Gastroenterology, 151(1), 110-119. doi: 10.1053/j.gastro.2016.04.002

Nanayakkara, W. S., Skidmore, P. M. L., O'Brien, L., Wilkinson, T. J., & Gearry, R. B. (2016). Efficacy of the low FODMAP diet for treating irritable bowel syndrome: The evidence to date. Clinical & Experimental Gastroenterology, 9, 131-142. doi: 10.2147/CEG.S86798

McCombie, A., Lee, Y., Vanamala, R., Gearry, R., Frizelle, F., Mckay, E., Williman, J., & Eglinton, T. (2016). Early postoperative complications have long-term impact on quality of life after restorative proctocolectomy. Medicine, 95(27), e3966. doi: 10.1097/md.0000000000003966

Heap, G. A., So, K., Weedon, M., Edney, N., Bewshea, C., Singh, A., … Gearry, R., … Ahmad, T. (2015). Clinical features and HLA association of 5-aminosalicylate (5-ASA)-induced nephrotoxicity in inflammatory bowel disease. Journal of Crohn's & Colitis, 10(2), 149-158. doi: 10.1093/ecco-jcc/jjv219

McCombie, A. M., Mulder, R. T., & Gearry, R. B. (2015). Coping strategies and psychological outcomes of patients with inflammatory bowel disease in the first 6 months after diagnosis. Inflammatory Bowel Diseases, 21, 2272-2280. doi: 10.1097/mib.0000000000000476

Doecke, J. D., Simms, L. A., Zhao, Z. Z., Roberts, R. L., Fowler, E. V., Croft, A., … Barclay, M. L., Merriman, T. R., Gearry, R. B., … Radford-Smith, G. L. (2015). Smoking behaviour modifies IL23r-associated disease risk in patients with Crohn's disease. Journal of Gastroenterology & Hepatology, 30(2), 299-307. doi: 10.1111/jgh.12674

De Cruz, P., Kamm, M. A., Hamilton, A. L., Ritchie, K. J., Krejany, E. O., Gorelik, A., … Gearry, R. B., … Desmond, P. V. (2015). Crohn's disease management after intestinal resection: A randomised trial. Lancet, 385(9976), 1406-1417. doi: 10.1016/s0140-6736(14)61908-5

Wright, E. K., Kamm, M. A., De Cruz, P., Hamilton, A. L., Ritchie, K. J., Krejany, E. O., … Day, A. S., … Gearry, R. B. (2015). Measurement of fecal calprotectin improves monitoring and detection of recurrence of Crohn's disease following surgery. Gastroenterology, 148, 938-947. doi: 10.1053/j.gastro.2015.01.026

Boon, G. J. A. M., Day, A. S., Mulder, C. J., & Gearry, R. B. (2015). Are faecal markers good indicators of mucosal healing in inflammatory bowel disease? World Journal of Gastroenterology, 21(40), 11469-11480. doi: 10.3748/wjg.v21.i40.11469

McCombie, A., Gearry, R., Andrews, J., Mikocka-Walus, A., & Mulder, R. (2015). Computerised cognitive behavioural therapy for psychological distress in patients with physical illnesses: A systematic review. Journal of Clinical Psychology in Medical Settings, 22(1), 20-44. doi: 10.1007/s10880-015-9420-0

Falvey, J. D., Hoskin, T., Meijer, B., Ashcroft, A., Walmsley, R., Day, A. S., & Gearry, R. B. (2015). Disease activity assessment in IBD: Clinical indices and biomarkers fail to predict endoscopic remission. Inflammatory Bowel Diseases, 21, 824-831. doi: 10.1097/mib.0000000000000341

Ko, Y., Kariyawasam, V., Karnib, M., Butcher, R., Samuels, D., Alrubaie, A., … Gearry, R., … on behalf of the IBD Sydney Organisation. (2015). Inflammatory bowel disease environmental risk factors: A population-based case-control study of Middle Eastern migration to Australia. Clinical Gastroenterology & Hepatology, 13, 1453-1463. doi: 10.1016/j.cgh.2015.02.045

Wright, E. K., Kamm, M. A., De Cruz, P., Hamilton, A. L., Ritchie, K. J., Krejany, E. O., … Gearry, R. B., … Desmond, P. V. (2015). Effect of intestinal resection on quality of life in Crohn's disease. Journal of Crohn's & Colitis, 9(6), 452-462. doi: 10.1093/ecco-jcc/jjv058

Ansell, J., Butts, C. A., Paturi, G., Eady, S. L., Wallace, A. J., Hedderley, D., & Gearry, R. B. (2015). Kiwifruit-derived supplements increase stool frequency in healthy adults: A randomized, double-blind, placebo-controlled study. Nutrition Research, 35, 401-408. doi: 10.1016/j.nutres.2015.04.005

Magon, N. J., Turner, R., Gearry, R. B., Hampton, M. B., Sly, P. D., & Kettle, A. J. (2015). Oxidation of calprotectin by hypochlorous acid prevents chelation of essential metal ions and allows bacterial growth: Relevance to infections in cystic fibrosis. Free Radical Biology & Medicine, 86, 133-144. doi: 10.1016/j.freeradbiomed.2015.05.022

Blatchford, P., Stoklosinski, H., Walton, G., Swann, J., Gibson, G., Gearry, R., & Ansell, J. (2015). Kiwifruit fermentation drives positive gut microbial and metabolic changes irrespective of initial microbiota composition. Bioactive Carbohydrates & Dietary Fibre, 6(1), 37-45. doi: 10.1016/j.bcdf.2015.07.001

Peyrin-Biroulet, L., Sandborn, W., Sands, B. E., Reinisch, W., Bemelman, W., Bryant, R. V., … Gearry, R., … Colombel, J.-F. (2015). Selecting Therapeutic Targets in Inflammatory Bowel Disease (STRIDE): Determining therapeutic goals for treat-to-target. American Journal of Gastroenterology, 110, 1324-1338. doi: 10.1038/ajg.2015.233

McCombie, A., Gearry, R., & Mulder, R. (2014). Preferences of inflammatory bowel disease patients for computerised versus face-to-face psychological interventions. Journal of Crohn's & Colitis, 8(6), 536-542. doi: 10.1016/j.crohns.2013.11.011

Wall, C. L., Gearry, R. B., & Day, A. S. (2014). Polymeric formula is more palatable than elemental formula to adults with Crohn’s disease. e-SPEN Journal, 9(6), e200-e203. doi: 10.1016/j.clnme.2014.08.003

Day, A. S., Lemberg, D. A., & Gearry, R. B. (2014). Inflammatory bowel disease in Australasian children and adolescents. Gastroenterology Research & Practice, 2014, 703890. doi: 10.1155/2014/703890

Wilson, R., Gearry, R. B., Grant, E., Pearson, J., & Skidmore, P. M. L. (2014). Home food availability is associated with multiple socio-economic indicators in 50 year olds from Canterbury, New Zealand. Asia Pacific Journal of Clinical Nutrition, 23(4), 714-722. doi: 10.6133/apjcn.2014.23.4.04

Thomas, G. R., Lewis-Morris, T., Rowbotham, D., Whiteside, C., Joyce, S., Inns, S., Schultz, M., & Gearry, R. B. (2014). Adalimumab for Crohn’s disease in New Zealand: A prospective multicentre experience. New Zealand Medical Journal, 127(1396). Retrieved from http://www.nzma.org.nz/journal

Wall, C. L., Gearry, R. B., Pearson, J., Parnell, W., & Skidmore, P. M. L. (2014). Dietary intake in midlife and associations with standard of living, education and nutrition literacy. New Zealand Medical Journal, 127(1397). Retrieved from http://www.nzma.org.nz/journal

Ungaro, R., Bernstein, C. N., Gearry, R., Hviid, A., Kolho, K.-L., Kronman, M. P., … Atreja, A. (2014). Antibiotics associated with increased risk of new-onset Crohn's disease but not ulcerative colitis: A meta-analysis. American Journal of Gastroenterology, 109, 1728-1738. doi: 10.1038/ajg.2014.246

Spencer, R., Gearry, R., Pearson, J., & Skidmore, P. (2014). Relationship between fructose and lactose intakes and functional gastrointestinal symptoms in a sample of 50-year-old Cantabrians in New Zealand. New Zealand Medical Journal, 127(1406). Retrieved from http://www.nzma.org.nz/journal

Meijer, B., Hoskin, T., Ashcroft, A., Burgess, L., Keenan, J. I., Falvey, J., Gearry, R. B., & Day, A. S. (2014). Total soluble and endogenous secretory receptor for advanced glycation endproducts (RAGE) in IBD. Journal of Crohn's & Colitis, 8(6), 513-520. doi: 10.1016/j.crohns.2013.11.004

Wright, E. K., Williams, J., Andrews, J. M., Day, A. S., Gearry, R. B., Bampton, P., … De Cruz, P. (2014). Perspectives of paediatric and adult gastroenterologists on transfer and transition care of adolescents with inflammatory bowel disease. Internal Medicine Journal, 44(5), 490-496. doi: 10.1111/imj.12402

de Roest, R. H., Dobbs, B. R., Chapman, B. A., Batman, B., O'Brien, L. A., Leeper, J. A., … Gearry, R. B. (2013). The low FODMAP diet improves gastrointestinal symptoms in patients with irritable bowel syndrome: A prospective study. International Journal of Clinical Practice, 67(9), 895-903. doi: 10.1111/ijcp.12128

Keenan, J. I., Salm, N., Pearson, J. F., Gearry, R. B., & Day, A. S. (2013). Campylobacter seroreactivity in adults with recent onset of Crohn’s disease. Journal of Gastroenterology & Hepatology Research, 2(3), 468-472. doi: 10.6051/j.issn.2224-3992.2013.02.228

McCombie, A. M., Mulder, R. T., & Gearry, R. B. (2013). Psychotherapy for inflammatory bowel disease: A review and update. Journal of Crohn's & Colitis, 7(12), 935-949. doi: 10.1016/j.crohns.2013.02.004

Ngu, J. H., Gearry, R. B., Frampton, C. M., & Stedman, C. A. M. (2013). Predictors of poor outcome in patients with autoimmune hepatitis: A population-based study. Hepatology, 57(6), 2399-2406. doi: 10.1002/hep.26290

Beaudoin, M., Goyette, P., Boucher, G., Lo, K. S., Rivas, M. A., Stevens, C., … and also Barclay, M., Gearry, R., & Roberts, R. (2013). Deep resequencing of GWAS loci identifies rare variants in CARD9, IL23R and RNF186 that are associated with ulcerative colitis. PLoS Genetics, 9(9), e1003723. doi: 10.1371/journal.pgen.1003723

International Multiple Sclerosis Genetic Consortium (IMSGC), and also Mason, D., Barclay, M., Roberts, R., & Gearry, R. (2013). Analysis of immune-related loci identifies 48 new susceptibility variants for multiple sclerosis. Nature Genetics, 45(11), 1353-1360. doi: 10.1038/ng.2770

Lee, J. C., Espéli, M., Anderson, C. A., Linterman, M. A., Pocock, J. M., Williams, N. J., Roberts, R., … Gearry, R., … Smith, K. G. C. (2013). Human SNP links differential outcomes in inflammatory and infectious disease to a FOXO3-regulated pathway. Cell, 155(1), 57-69. doi: 10.1016/j.cell.2013.08.034

Ngu, J. H., Gearry, R. B., Frampton, C. M., & Stedman, C. A. M. (2013). Autoimmune hepatitis: The role of environmental risk factors: A population-based study. Hepatology International, 7(3), 869-875. doi: 10.1007/s12072-013-9448-x

Falvey, J. D., Bentley, R. W., Merriman, T. R., Hampton, M. B., Barclay, M. L., Gearry, R. B., & Roberts, R. L. (2013). Macrophage migration inhibitory factor gene polymorphisms in inflammatory bowel disease: An association study in New Zealand Caucasians and meta-analysis. World Journal of Gastroenterology, 19(39), 6656-6664. doi: 10.3748/wjg.v19.i39.6656

Day, A. S., Ehn, M., Gearry, R. B., Lemberg, D. A., & Leach, S. T. (2013). Fecal S100A12 in healthy infants and children. Disease Markers, 35(5), 295-299. doi: 10.1155/2013/873582

Wall, C. L., Day, A. S., & Gearry, R. B. (2013). Use of exclusive enteral nutrition in adults with Crohn's disease: A review. World Journal of Gastroenterology, 19(43), 7652-7660. doi: 10.3748/wjg.v19.i43.7652

Sandborn, W. J., Feagan, B. G., Rutgeerts, P., Hanauer, S., Colombel, J.-F., Sands, B. E., … for the GEMINI 2 Study Group, including Gearry, R., Schultz, M., & Wyeth, J. (2013). Vedolizumab as induction and maintenance therapy for Crohn's disease. New England Journal of Medicine, 369(8), 711-721. doi: 10.1056/NEJMoa1215739

Koning, M., Ailabouni, R., Gearry, R. B., Frampton, C. M. A., & Barclay, M. L. (2013). Use and predictors of oral complementary and alternative medicine by patients with inflammatory bowel disease: A population-based, case-control study. Inflammatory Bowel Diseases, 19(4), 767-778. doi: 10.1097/MIB.0b013e31827f27c8

Schluter, P. J., Spittlehouse, J. K., Cameron, V. A., Chambers, S., Gearry, R., Jamieson, H. A., Kennedy, M., Lacey, C. J., Murdoch, D. R., Pearson, J., Porter, R. J., Richards, M., Skidmore, P. M. L., Troughton, R., Vierck, E., & Joyce, P. R. (2013). Canterbury Health, Ageing and Life Course (CHALICE) study: Rationale, design and methodology. New Zealand Medical Journal, 126(1375). Retrieved from http://www.nzma.org.nz/journal

Lawrance, I. C., Murray, K., Batman, B., Gearry, R. B., Grafton, R., Krishnaprasad, K., … Hanigan, K. (2013). Crohn's disease and smoking: Is it ever too late to quit? Journal of Crohn's & Colitis, 7(12), e665-e671. doi: 10.1016/j.crohns.2013.05.007

Nasir, B. F., Griffiths, L. R., Nasir, A., Roberts, R., Barclay, M., Gearry, R. B., & Lea, R. A. (2013). An envirogenomic signature is associated with risk of IBD-related surgery in a population-based Crohn’s disease cohort. Journal of Gastrointestinal Surgery, 17(9), 1643-1650. doi: 10.1007/s11605-013-2250-1

Ngu, J. H., Wallace, M. C., Merriman, T. R., Gearry, R. B., Stedman, C. A. M., & Roberts, R. L. (2013). Association of the HLA locus and TNF with type I autoimmune hepatitis susceptibility in New Zealand Caucasians. SpringerPlus, 2(1), 355. doi: 10.1186/2193-1801-2-355

Gearry, R. B., Kamm, M. A., Hart, A. L., Bassett, P., Gabe, S. M., & Nightingale, J. M. (2013). Predictors for developing intestinal failure in patients with Crohn's disease. Journal of Gastroenterology & Hepatology, 28(5), 801-807. doi: 10.1111/jgh.12115

Doecke, J. D., Simms, L. A., Zhao, Z. Z., Huang, N., Hanigan, K., Krishnaprasad, K., Roberts, R. L., … Gearry, R. B., … Radford-Smith, G. L. (2013). Genetic susceptibility in IBD: Overlap between ulcerative colitis and Crohn's disease. Inflammatory Bowel Diseases, 19(2), 240-245. doi: 10.1097/MIB.0b013e3182810041

Nasir, B. F., Griffiths, L., Nasir, A., Roberts, R., Barclay, M., Gearry, R., & Lea, R. A. (2013). Perianal disease combined with NOD2 genotype predicts need for IBD-related surgery in Crohn's disease patients from a population-based cohort. Journal of Clinical Gastroenterology, 47(3), 242-245. doi: 10.1097/MCG.0b013e318258314d

McCombie, A. M., Mulder, R. T., & Gearry, R. B. (2013). How IBD patients cope with IBD: A systematic review. Journal of Crohn's & Colitis, 7(2), 89-106. doi: 10.1016/j.crohns.2012.05.021

Roberts, R. L., Gallo, L.-M. D., Barclay, M. L., Gómez-García, M., Cardeña, C., Merriman, T. R., Gearry, R. B., & Martin, J. (2012). Independent replication of an association of CNVR7113.6 with Crohn's disease in caucasians. Inflammatory Bowel Diseases, 18(2), 305-311. doi: 10.1002/ibd.21752

Meijer, B., Gearry, R. B., & Day, A. S. (2012). The role of S100A12 as a systemic marker of inflammation. International Journal of Inflammation, 2012, 907078. doi: 10.1155/2012/907078

Ngu, J. H., Gearry, R. B., Wright, A. J., & Stedman, C. A. M. (2012). Low incidence and prevalence of primary biliary cirrhosis in Canterbury, New Zealand: A population-based study. Hepatology International, 6(4), 796-800. doi: 10.1007/s12072-011-9329-0

Eglinton, T. W., Roberts, R., Pearson, J., Barclay, M., Merriman, T. R., Frizelle, F. A., & Gearry, R. B. (2012). Clinical and genetic risk factors for perianal Crohn's disease in a population-based cohort. American Journal of Gastroenterology, 107, 589-596. doi: 10.1038/ajg.2011.437

Bentley, R. W., Keown, D. A., Gearry, R. B., Cameron, V. A., Keenan, J., Roberts, R. L., & Day, A. S. (2012). Vitamin D receptor polymorphisms in colorectal cancer in New Zealand: An association study. New Zealand Medical Journal, 125(1356). Retrieved from http://www.nzma.org.nz/journal

Lion, M., Gearry, R. B., Day, A. S., & Eglinton, T. W. (2012). The cost of paediatric and perianal Crohn's disease in Canterbury, New Zealand. New Zealand Medical Journal, 125(1349). Retrieved from http://www.nzma.org.nz/journal

Lim, G., Viney, S. K., Chapman, B. A., Frizelle, F. A., & Gearry, R. B. (2012). A prospective study of endoscopist-blinded colonoscopy withdrawal times and polyp detection rates in a tertiary hospital. New Zealand Medical Journal, 125(1356). Retrieved from http://www.nzma.org.nz/journal

Eglinton, T. W., Barclay, M. L., Gearry, R. B., & Frizelle, F. A. (2012). The spectrum of perianal Crohn's disease in a population-based cohort. Diseases of the Colon & Rectum, 55(7), 773-777. doi: 10.1097/DCR.0b013e31825228b0

Jostins, L., Ripke, S., Weersma, R. K., Duerr, R. H., McGovern, D. P. B., Hui, K. Y., … Gearry, R., … and also Barclay, M., & Roberts, R. (2012). Host-microbe interactions have shaped the genetic architecture of inflammatory bowel disease. Nature, 491(7422), 119-124. doi: 10.1038/nature11582

Ngu, J. H., Gearry, R. B., Frampton, C. M., & Stedman, C. A. M. (2012). Mortality and the risk of malignancy in autoimmune liver diseases: A population-based study in Canterbury, New Zealand. Hepatology, 55(2), 522-529. doi: 10.1002/hep.24743

Ngu, J. H., Gearry, R. B., Wright, A. J., & Stedman, C. A. M. (2011). Inflammatory bowel disease is associated with poor outcomes of patients with primary sclerosing cholangitis. Clinical Gastroenterology & Hepatology, 9(12), 1092-1097. doi: 10.1016/j.cgh.2011.08.027

Morgan, A. R., Han, D.-Y., Lam, W.-J., Triggs, C. M., Fraser, A. G., Barclay, M., Gearry, R. B., … Ferguson, L. R. (2011). Genetic variations in matrix metalloproteinases may be associated with increased risk of ulcerative colitis. Human Immunology, 72, 1117-1127. doi: 10.1016/j.humimm.2011.08.011

Diaz-Gallo, L.-M., Espino-Paisán, L., Fransen, K., Gómez-García, M., van Sommeren, S., Cardeña, C., … Barclay, M. L., … Gearry, R. B., Roberts, R. L., … Merriman, T. R., … Martin, J. (2011). Differential association of two PTPN22 coding variants with Crohn's disease and ulcerative colitis. Inflammatory Bowel Diseases, 17(11), 2287-2294. doi: 10.1002/ibd.21630

Rivas, M. A., Beaudoin, M., Gardet, A., Stevens, C., Sharma, Y., Zhang, C. K., … and also Barclay, M., Roberts, R., & Gearry, R. (2011). Deep resequencing of GWAS loci identifies independent rare variants associated with inflammatory bowel disease. Nature Genetics, 43(11), 1066-1073. doi: 10.1038/ng.952

Rossin, E. J., Lage, K., Raychaudhuri, S., Xavier, R. J., Tatar, D., Benita, Y., International Inflammatory Bowel Disease Genetics Constortium, … and also Roberts, R., Barclay, M., & Gearry, R. (2011). Proteins encoded in genomic regions associated with immune-mediated disease physically interact and suggest underlying biology. PLoS Genetics, 7(1), e1001273. doi: 10.1371/journal.pgen.1001273

Haines, M. L., Ajlouni, Y., Irving, P. M., Sparrow, M. P., Rose, R., Gearry, R. B., & Gibson, P. R. (2011). Clinical usefulness of therapeutic drug monitoring of thiopurines in patients with inadequately controlled inflammatory bowel disease. Inflammatory Bowel Diseases, 17(6), 1301-1307. doi: 10.1002/ibd.21458

van Asseldonk, D. P., Sanderson, J., de Boer, N. K. H., Sparrow, M. P., Lémann, M., Ansari, A., … Gearry, R. B., … on behalf of the Thiopurine Task Force Interest Group. (2011). Difficulties and possibilities with thiopurine therapy in inflammatory bowel disease: Proceedings of the first Thiopurine Task Force meeting. Digestive & Liver Disease, 43(4), 270-276. doi: 10.1016/j.dld.2010.09.001

Glubb, D. M., Gearry, R. B., Barclay, M. L., Roberts, R. L., Pearson, J., Keenan, J. I., McKenzie, J., & Bentley, R. W. (2011). NOD2 and ATG16L1 polymorphisms affect monocyte responses in Crohn's disease. World Journal of Gastroenterology, 17(23), 2829-2837. doi: 10.3748/wjg.v17.i23.2829

Gardiner, S. J., Gearry, R. B., Burt, M. J., Chalmers-Watson, T., Chapman, B. A., Ross, A. G., Stedman, C. A. M., … Barclay, M. L. (2011). Allopurinol might improve response to azathioprine and 6-mercaptopurine by correcting an unfavorable metabolite ratio. Journal of Gastroenterology & Hepatology, 26(1), 49-54. doi: 10.1111/j.1440-1746.2010.06489.x

Anderson, C. A., Boucher, G., Lees, C. W., Franke, A., D’Amato, M., Taylor, K. D., … Barclay, M., … Roberts, R., … Gearry, R., … Rioux, J. D. (2011). Meta-analysis identifies 29 additional ulcerative colitis risk loci, increasing the number of confirmed associations to 47. Nature Genetics, 43(3), 246-254. doi: 10.1038/ng.764

Krishnaprasad, K., Andrews, J. M., Lawrance, I. C., Florin, T., Gearry, R. B., Leong, R. W. L., … Radford-Smith, G. L. (2011). Inter-observer agreement for Crohn's disease sub-phenotypes using the Montreal Classification: How good are we? A multi-centre Australasian study. Journal of Crohn's & Colitis, 6(3), 287-293. doi: 10.1016/j.crohns.2011.08.016

Roberts, R. L., Hollis-Moffatt, J. E., Gómez-García, M., Fransen, K., Ponsioen, C. Y., Crusius, B. A., … Merriman, T. R., Barclay, M. L., Gearry, R. B., & Alizadeh, B. Z. (2011). Association of the protein-tyrosine phosphatase nonreceptor type substrate 1 (PTPNS1) gene with inflammatory bowel disease. Inflammatory Bowel Diseases, 17(2), E19-E21. doi: 10.1002/ibd.21470

Roberts, R. L., Topless, R. K. G., Phipps-Green, A. J., Gearry, R. B., Barclay, M. L., & Merriman, T. R. (2010). Evidence of interaction of CARD8 rs2043211 with NALP3 rs35829419 in Crohn's disease. Genes & Immunity, 11, 351-356. doi: 10.1038/gene.2010.11

Eglinton, T., Reilly, M., Chang, C., Barclay, M., Frizelle, F., & Gearry, R. (2010). Ileal disease is associated with surgery for perianal disease in a population-based Crohn's disease cohort. British Journal of Surgery, 97(7), 1103-1109. doi: 10.1002/bjs.7031

Bentley, R. W., Cleynen, I., Gearry, R. B., Barclay, M. L., Rutgeerts, P., Merriman, T. R., … Roberts, R. L., & Vermeire, S. (2010). Evidence that glioma-associated oncogene homolog 1 is not a universal risk gene for inflammatory bowel disease in Caucasians. Genes & Immunity, 11, 509-514. doi: 10.1038/gene.2010.15

Simms, L. A., Doecke, J. D., Roberts, R. L., Fowler, E. V., Zhao, Z. Z., McGuckin, M. A., … McCallum, R., … Barclay, M. L., Gearry, R. B., Merriman, T. R., … Radford-Smith, G. L. (2010). KCNN4 gene variant is associated with ileal Crohn's disease in the Australian and New Zealand population. American Journal of Gastroenterology, 105, 2209-2217. doi: 10.1038/ajg.2010.161

Bentley, R. W., Pearson, J., Gearry, R. B., Barclay, M. L., McKinney, C., Merriman, T. R., & Roberts, R. L. (2010). Association of higher DEFB4 genomic copy number with Crohn's disease. American Journal of Gastroenterology, 105(2), 354-359. doi: 10.1038/ajg.2009.582

Gearry, R. B., Richardson, A. K., Frampton, C. M., Dodgshun, A. J., & Barclay, M. L. (2010). Population-based cases control study of inflammatory bowel disease risk factors. Journal of Gastroenterology & Hepatology, 25, 325-333. doi: 10.1111/j.1440-1746.2009.06140.x

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