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Areas of Expertise

  • Inflammatory bowel disease
  • Gastrointestinal infection
  • Irritable bowel syndrome
  • GI-associated lyphoedema

Personal Biography

Professor Richard Pollok (FRCP, PhD, BSc, DTM&H) completed his training at St Bartholomew’s Hospital. He was awarded a Wellcome Trust Clinical Research Training Fellowship and gained his PhD in the field of gut immunity and infection. His current research programme focuses on the causes of inflammatory bowel disease and improving diagnosis.

Prof Pollok is always kind and listens to me…. he really put me at ease when I had my colonoscopy…

Patient of Professor Pollock

Research and Press highlights

Key Publications

Blackwell J et al. Depression in individuals who subsequently develop Inflammatory Bowel Disease: a population-based nested case-control study Gut 2020 October e-pub

Backwell J et al. Prevalence and duration of symptoms before diagnosis of Inflammatory bowel disease and predictors of timely referral: a population based study. J Crohns Colitis 2020 Jul 15:jjaa146. Doi 10.1093/ecco-jcc/jjaa146

Din S, Kent A, Pollok R et al, Management of acute severe ulcerative colitis in the context of the COVID-19 pandemic: a RAND appropriateness panel, Gut 2020 Oct;69(10):1769-1777

Kennedy NA, Jones GR, Lamb CA et al, British Society of Gastroenterology guidance for management of inflammatory bowel disease during the COVID-19 pandemic. Gut. 2020 Jun;69(6):984-990. doi: 10.1136/gutjnl-2020-321244.

HALT-IT Trial Collaborators, Tranexamic acid for the treatment of gastrointestinal bleeding: an international, randomised, double blind controlled trial. Lancet, 2020 Jun 20;395(10241):1927-1936


●Selinger CP, Parkes GC, Bassi A et al, Assessment of steroid use as a key performance indicator in inflammatory bowel disease-analysis of data from 2385 UK patients. Aliment Pharmacol Ther. 2019 Nov;50(9):1009-1018. doi: 10.1111/apt.15497

Blackwell J, Saxena S, Alexakis C et al, The impact of smoking and smoking cessation on disease outcomes in ulcerative colitis: a nationwide population-based study. Aliment Pharmacol Ther. 2019 Sep;50(5):556-567. doi: 10.1111/apt.15390

Walker GJ, Harrison JW, Heap GA et al, Association of Genetic Variants in NUDT15 With Thiopurine-Induced Myelosuppression in Patients With Inflammatory Bowel Disease.JAMA. 2019 Feb 26;321(8):773-785. doi: 10.1001/jama.2019.0709

Alexakis C, Saxena S, Chhaya V. Smoking Status at Diagnosis and Subsequent Smoking Cessation: Associations with Corticosteroid Use and Intestinal Resection in Crohn’s Disease. Am J Gastroenterol. 2018 Nov;113(11):1689-1700. doi: 10.1038/s41395-018-0273-7

Taylor SA, Mallett S, Bhatnagar G. Diagnostic accuracy of magnetic resonance enterography and small bowel ultrasound for the extent and activity of newly diagnosed and relapsed Crohn’s disease (METRIC): a multicentre trial.Lancet Gastroenterol Hepatol. 2018 Aug;3(8):548-558. doi: 10.1016/S2468-1253(18)30161

Getting to know Professor Pollock

  • Why did you choose to be part of the OneWelbeck team?

    It is a high quality team running a top-draw service

  • What are the moments which stand out most in your career so far?

    • Promotion to Professor of Gastroenterology
    • Recent publication in the Lancet and the  journal Gut
    • Winning a Wellcome Trust Research Fellowship
    • Winning a national research prize
  • What keeps you busy in your personal life?

    Sailing, Ceramics and Oenology