Every clinical trial has specific requirements for who can or cannot participate.
To participate in a clinical trial, participants must meet certain standards, called "inclusion criteria." There are also factors that can exclude some people from participating, called "exclusion criteria." Inclusion and exclusion criteria are often related to:
Keep in mind that some clinical trials are looking for participants who have the medical condition being studied, while other clinical trials are looking for healthy study participants.
In order to become a clinical trial participant, you must qualify by satisfying both the inclusion and exclusion criteria. Inclusion and exclusion criteria are used to protect your safety during a clinical trial.