interventional study definition fda
A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as surveys, education, and interviews.
Interventional radiology. Interventional radiology, also known as vascular and interventional radiology or surgical radiology, is an independent medical specialty, which was a sub-specialty of radiology until recently, that uses minimally invasive image-guided procedures to diagnose and treat diseases in nearly every organ system.