The IRB must approve this type of addendum consent form prior to its use. If the participant withdraws from the research study and does not consent to continued follow-up, the investigator cannot ...

An effective way to promote quality improvement is to conduct ... Such research, however, poses an apparent ethical conundrum: it is often impossible to obtain informed consent from patients ...

Scientists are allowed to conduct these experiments without ... for potentially lifesaving treatment. Consent for participation in medical research is an issue that resonates especially deeply ...