Barbara McGowan

Consultant in diabetes and endocrinology


Barbara McGowan was appointed as a consultant and honorary senior lecturer in diabetes and endocrinology at Guy's nd St Thomas' NHS Foundation Trust in 2009.

Barbara leads the obesity bariatric service where she manages patients with complex obesity. Her areas of research interest include gut hormones and remission of type 2 diabetes post-bariatric surgery. Her endocrine specialty interests are in adrenal pituitary and hereditary neuroendocrine disease.

Education and training

  • PhD, Imperial College London, 2007
  • Bachelor of Medicine, Bachelor of Sugey (MBBS), Royal Free Hospital London, 1998
  • MA Biochemistry, Hertford College Oxford, 1988

Research interests

  • Obesity, gut hormones and remission of T2DM post-bariatric surgery, including endobarrier as a treatment for obesity and remission of T2DM (REVISE clinical trial) and SCALE clinical trial (satiety and clinical adiposity – liraglutide evidence in non-diabetic and diabetic subjects)
  • Genetics of neuroendocrine tumours
  • Relaxin-3 and related peptides


  • British Society of Endocrinology small grants programme, 2009
  • New Investigator Award, fifth international conference on relaxin and related peptides 2008, Maui, Hawaii
  • The Endocrine Society and Pfizer International Award for excellence in published clinical research in the journal of Endocrinology and Metabolism, 2005
  • London Lock Memorial Prize in genitourinary diseases, 1998
  • Merits in clinical pharmacology, statistics, population and health care sciences, obstetrics and gynaecology, 1998
  • Glaxo-Wellcome-Blackwell clinical prize, 1996

Last updated: January 2023

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