clinical trial

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun medicine A test of a medication or other medical treatment (such as a medical device), usually a comparison against a placebo, other medications or devices, or the standard medical treatment for a patient's condition.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a rigorously controlled test of a new drug or a new invasive medical device on human subjects; in the United States it is conducted under the direction of the FDA before being made available for general clinical use