Patient Consultation 

Diagnostic and Therapeutic Gastroscopy and Colonoscopy 

Inflammatory bowel disease – all aspects of Crohns disease and ulcerative colitis

Colon Cancer Screening

Reflux disease

Swallowing disorders - assessment and treatment

Stomach dysfunction such as gastroparesis

Large bowel function disorders such as severe constipation

Gastrointestinal motility investigations - including oesophageal and anorectal function studies   

Botulinum toxin injections for impaired gastric emptying, achalasia, oesophageal spasm

Assessment of liver disease

Being a Clinical Pharmacologist also gives added expertise in reviewing and optimising prescribing of medicines.

Professor Barclay shares rooms with Dr Steven Ding as part of the Christchurch Gastroenterology Group.