An<unk>  is a part of a clinical trial that tests the chemotherapeutic properties of a specific substance. More specifically, an<unk>  is used to detect whether or not a substance can prevent or inhibit cancer. In a clinical trial, researchers perform multiple<unk> es in order to test the potential of new cancer drugs. An<unk>  helps determine the potential of a substance to inhibit cancer, before more<unk> es are done in order to further knowledge of this potential.
Synonym:
Chemoprevention<unk>
Agent study
Action study
Design of experiments
Cost-effectiveness analysis
Block design
Validation therapy
Meta-analysis
Risk factor template