Skip the primary navigation if you do not want to read it as the next section.
Skip the main content if you do not want to read it as the next section.
No. Each clinical trial has specific requirements, based on what the researchers are trying to find out. For example, a trial may need breast cancer patients whose disease has reached a particular stage.
If you are not the type of patient the trial needs, you will not be able to join it – but you are entitled to receive information on all the clinical trials for which you are eligible.