The CROs (Clinical Research Organizations, also known as Contract Research Organizations are essential collaborators for the smooth running of a clinical trial CT.
The end of a clinical trial (CT), unless terminated early, matches with the last visit of the last participant or upon completion of any follow-up and data collection process, as described in the protocol.
A clinical trial finishes when the last patient enrolled completes all their visits and follow-ups. However, a clinical trial may be terminated early for different reasons.
