clinical trial

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Noun1.clinical trial - 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
trial, run, test - the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"
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 trial - a 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 trial - a 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 trial - sometimes 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
References in periodicals archive ?
PHIL JONES has been banned by UEFA for telling a drug tester in no uncertain terms he wanted to celebrate Manchester United's Europa League win.
BRADFORD AN international rugby league player will be sentenced for assaulting a drug tester.
He declared his use of it to the UKAD drug tester when he was asked to supply a urine sample following a 15-10 Championship defeat at Bridgend Athletic in March this year.
Auckland, Nov 12 ( ANI ): Jamaica's most senior drug tester has claimed that the recent rash of failed tests point to a more serious problem, further deepening the doping crisis in the country's athletics.
From Twitter Follow The Journal on Twitter @TheJournalNews Graeme Swann (@Swannyg66) Lost at Lords, drug tester staring at my manhood after the game, world's worst drivers all on the M1 together, no broken toe.
France's anti-doping agency accused cyclist Lance Armstrong of violating its rules for not fully cooperating with a drug tester, threatening to punish the seven-time Tour de France champion.
Louis orthopedist who served as a drug tester for the U.
UKAD's Graham Arthur told BBC Radio 5 Live: "For an hour slot test the process is that the drug tester will turn up at the address he or she has been given, ring the bell or knock on the door and try to get the athlete's attention.
The contract is for the police and other security approved for use by the drug tester DrugWipe 6S.
The Celtic manager was once followed home by his drug tester, who then accompanied him to the toilet three hours after a game had finished and made sure his urine sample was genuine.
DELON ARMITAGE: The London Irish full-back got eight weeks out for abuse of a drug tester and now faces another ban.
The Welsh Rugby Union has not introduced it because it felt the prospect of a drug tester turning up on the doorstep, as operates in sports like athletics, swimming and cycling, ``was an invasion of privacy''.