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.
Non-inferiority clinical trial: A clinical trial that shows that a new treatment is equivalent to standard treatment.Also called a non-inferior trial. See: Clinical trials. See also: Inconclusive clinical trial; Negative clinical trial; Positive clinical trial.on-inferiority clinical trial: A clinical trial that shows that a new treatment is equivalent to standard treatment.