| 单词 | clinical trial |
| 释义 | clinical trial (once / 6541 pages) n WORD FAMILY clinical trial: clinical trials USAGE EXAMPLESSeparately, the compound is being tested in human clinical trials in rheumatoid arthritis, which is also promising, Sharma said. Washington Times(Jan 01, 2017) "In this way," the judge continued, "Medtronic's alleged manipulative conduct directly caused the biased clinical trial results that the market relied upon." Reuters(Dec 28, 2016) Seattle Genetics Inc. said four leukemia patients died in clinical trials of an experimental treatment, prompting the U.S. Wall Street Journal(Dec 27, 2016) n 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 Syn|Hypo|Hyper clinical test phase I, phase I clinical trial a clinical trial on a few persons to determine the safety of a new drug or invasive medical device; for drugs, dosage or toxicity limits should be obtained phase II, phase II clinical triala clinical trial on more persons than in phase I; intended to evaluate the efficacy of a treatment for the condition it is intended to treat; possible side effects are monitored phase III, phase III clinical triala large clinical trial of a treatment or drug that in phase I and phase II has been shown to be efficacious with tolerable side effects; after successful conclusion of these clinical trials it will receive formal approval from the FDA phase IV, phase IV clinical trialsometimes the FDA approves a drug for general use but requires the manufacturer to continue to monitor its effects; during this phase the drug may be tried on slightly different patient populations than those studied in earlier trials run, test, trial the act of testing something |
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