Many non-participants of clinical trials did not specify their condition/disease. The most frequent diseases/conditions among non-participants of clinical trials included:
Just under 40% of those respondents who had not participated in a trial indicated this was due to no trials being available that specifically related to their disease/condition.
Many of those with the above diseases/conditions said no trials were available to them. This was particularly the case in relation to those with a neoplasm disease (i.e., cancer).