Research Staff

  • Clinical Associate Professor Martin Weltman

  • Phone : 4734 2435
    pg 26310

  • Phone : 4734 2319

Dr Martin Weltman

martin weltman

Director of Department of Gastroenterology and Hepatology
Senior staff specialist for Gastroenterology and Hepatology
Associate Professor for Medicine, University of Sydney (Conjoint)

Dr Weltman has strong academic and clinical focus in the fields of Gastroenterology, Hepatology and Drug & Alcohol, and has published many journal articles and books. He has more than 15 years of experience in running clinical trials. Over the years he has been the principal investigator for sponsored clinical trials at different phases of development.

Esther Webb

Esther is working as Research Nurse / Trial coordinator under the guidance of Professor Martin Weltman. Esther liaises with the Gastroenterology team to facilitate the conduction of both oral, subcutaneous and intravenous medications. Esther has a Graduate Certificate in Gastroenterology. Esther likes to meet the challenge for the continuing work which needs to be done to ensure new medicines are made available for people living with Gastrointestinal disease.

Gaaya Kanapathipillai - Study Coordinator / Research Assistant


Gaaya is a Study Coordinator / Research Assistant under the guidance of Associate Professor Martin Weltman for the department of Gastroenterology and Hepatology at the Nepean Hospital. She completed my Bachelor of Science (Hons) degree in Biochemistry at The University of Queensland.
Gaaya's role is to liaise with NBMLHD Human Research Ethics Committee and Governance to facilitate the conduction of both investigator initiated & pharmaceutical sponsored clinical trials. She is also the study coordinator for the studies involving oral medications and enjoys being part of a team contributing to this field to enhance patient care and outcomes.

Current Trials:

Gastroenterology- Therapy for Inflammatory Bowel Diseases (Crohn’s Disease and Ulcerative Colitis) and Irritable Bowel Syndrome (Constipation).

Hepatology-Therapy for Hepatitis C and Primary Biliary Cirrhosis.

Our major research interests:

  • The natural history, pathogenesis and therapy of non-alcoholic steatohepatitis
  • The pathogenesis and outcomes of alcoholic liver disease
  • Understanding pathogenesis of liver disease and liver cancer
  • Measuring liver stiffness on those receiving treatment for Hep C
  • Characterisation of immunopathology and testing a novel therapeutic strategy in Functional Dyspepsia
  • Understanding the pathophysiology of Non-Ulcer-Dyspepsia.
  • Understanding aetiology of Chronic constipation.