Capgan is the Commonwealth professional and scientific association of pediatricians which aims to promote the knowledge and training in pediatric gastroenterology, hepatology and nutrition throughout the Commonwealth, especially amongst developing countries.

Capgan seeks to foster collaborative research in these fields, hold regular scientific meetings and be a source of authoritative advice to both national and international agencies within the Commonwealth on the problems of pediatric gastroenterology and hepatology and in particular the problems of childhood diarrhea and malnutrition.