Hope for pancreatic cancer 'vaccine as treatment' trial
14 April 2011 Last updated at 20:25 BST
Doctors in Liverpool are leading a major trial of a vaccine to treat patients with pancreatic cancer.
More than 50 hospitals are taking part in the trial which is part of a new approach to try to stimulate the immune system.
Pancreatic cancer has the poorest survival rate of all common cancers.
Fergus Walsh reports.