A study that evaluates new drugs or procedures. After these new drugs or procedures are tested in laboratories, clinical trials are conducted with human patients under strictly controlled circumstances. Such trials usually last 2-4 years and go through several phases of research.
Research conducted with patients, usually to evaluate a new treatment. Each trial is designed to answer scientific questions and to find better ways to treat individuals with a specific disease. Many times cancer patients can receive new, experimental treatments by participating in a clinical trial. Compare with: Phase-I Clinical Trial Compare with: Phase-II Clinical Trial Compare with: Phase-III Clinical Trial Compare with: Informed-Consent