Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle. Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle.
The term âfutilityâ is used to refer to the inability of a clinical trial to achieve its objectives. In particular, stopping a clinical trial when the interim results suggest that it is unlikely to achieve statistical significance can save resources that could be used on more promising research.
A clinical trial is a research program conducted with patients to evaluate a new medical treatment, drug, or device.The purpose of clinical trials is to find new and improved methods of treating, preventing, screening for, and diagnosing different diseases. clinical trial is a research program conducted with patients to evaluate a new medical treatment, drug, or device.