http://www.iconvolunteers.com/study-volunteers0543/017An existing treatment for pain and opioid addiction to drugs like morphine or heroinhttp://www.iconvolunteers.com/study-volunteers/uk/study-finder/0543017/0536/007A new treatment for a skin condition called bullous pemphigoid (a disease which causes severe blisters)http://www.iconvolunteers.com/study-volunteers/uk/study-finder/0536007/0045/267A study to test a marketed treatment for Diabeteshttp://www.iconvolunteers.com/study-volunteers/uk/study-finder/0045267/