trial

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trial

 [tri´al, trīl]
a test or experiment.
clinical trial an experiment performed on human beings in order to evaluate the comparative efficacy of two or more therapies. See also single blind, double blind, and triple blind.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tri·al

(trī'ăl),
A test or experiment, usually conducted under specific conditions.
Farlex Partner Medical Dictionary © Farlex 2012

trial

Any formal study of a method or therapy. See AAASPS, ABC, ABCD, ACADEMIC, ACAS, ACCT, ACES, ACIP, ACME, ACRE, ACT, ACTION, ACUTE, ADAM, ADEPT, ADMIRAL, ADMIT, ADOPT, ADOPT-A, AEGIS, AFASAK, AFCAPS, AFFIRM, AFIB, AGENT, AGIS, AIMS, AIRE, AIREX, ALE\RT, ALIVE, ALLHAT, AMISTAD, APASS, APRES, APRICOT, ARCH, AREDS, ARMS, ARREST, ARTISTIC, ASAP, ASCENT, ASCOT, ASIST, ASPECT, ASSET, ASSENT, ASSIST, ASTRID, ASTRONAUT, ATACS, ATLANTIC, ATLANTIS, ATLAS, AT LAST, ATS, ATTRACT, AVERT, AVID, BAATAF, BAATAF, BAMI, BARI, BASIS, BBB, BEAT, Before-after trial, BEIR, BENESTENT, BERT, BESMART, BEST, BETTER, BHAT, BLAT, BLOSS, BOAT, BRAINS, BRAVO, BRITE, CABADAS, CABG Patch, CABRI, CADILLAC, CAESAR AIDS, CAFA, CALM-PD, CALYPSO, CAMELOT, CAMEO, CAMIAT, CANDLE, CAPARES, CAPE, CAPPP, CAPRI, CAPRIE, CAPS, CAPTEN, CAPTIN, CARDIA, CARE, CARET, CARISA, CARPORT, CART, CASCADE, CASCADE, CASES, CASH, CASS, CAST, CAST-2, CASTLE, CAT, CATS, CAVEAT, CAVEAT-1, CAVEAT-2, CBT-CD, CCCCCC, CEDARS, CHAMP, CHAOS, CHARM, CHEESE, CHS, CIBIS, CIGTS, CLAS, CLASP, CLASS, CLEERE, Clinical trial, COBALT, COMPANION, COMS, CONSENSUS, CONSENSUS-2, CONVINCE, COPERNICUS, CORE, COURAGE, COURT, CRASH, CREDO, CREST, Crossover trial, CRUISE, CURE, DAIS, DASH, DASH2, DAVIT, DAVIT II, DEBATE, DEBATE II, DECODE, DEFINITE, DESTINI-CFR, Diabetes Control & Complications, Diagnostic, DIADS, DIAMOND-CHF, DIG, DIGAMI, DINAMIT, DIRECT, DISC, Dose control, DouBLE, DPT-1, DRASTIC, DYSBOT, EAFT, EARS, EAST, EBMT, ECASS, ECCO 2000, EDGE, ELLDOPA, ELITE, EMERAS, EMIAT, EMIP, ENABLE, ENCORE, ENRICHD, ENTIRE, EPHESUS, EPIC, EPICORE, EPILOG, EPISTENT, Equivalence trial, ERA, ERACI, ERASE, ESPRIM, ESPRIT, ESPS2, ESSENCE, ESVEM, EXCEL, EXCITE, FACET, FASTER, FATS, FIRST, FIT, Five-City project, FRESCO, FRIC, FRISC, GABI, GART, GESICA, GISG, GISSI-1, GISSI-2, GISSI-3, GREAT, GUSTO-I, GUSTO II, GUSTO-III, GUSTO-SPEED, GUSTO V, Half-side, HALT-C, HART, HASI, HeADDFIRST, EART, HEP, HERO, HERS, HIPS, HIT, HOPE, HOT, HPYLORI, IMAGE, IMAGES, IMPACT II, IMPRESS, InDDEx, INHIBIT, INJECT, INOS, INSIGHT, INTACT, INTERSALT, InTIME, INTRO-AMI, IRAS, ISAM, ISIS-2, ISIS-3, ISIS-4, IVAT, LACI, LAMP, Large simple, LARS, LATE, LIDS, LIFE, LIFE STUDY, LIMIT-2, LIPID, LONG WRIST, MAAS, MADIT, MAGIC, MARCATOR, MARISA, MDC, MDPIT, MEDENOX, MERCATOR, MERIT-HF, MICRO-HOPE, MIDAS, MILIS, MIRA, MIRACL, MIRACLE, MIRACLE ICD, MIRAGE, MITI-1, MITI-2, MONARCS, MORE, MOXCON, MRC, MR IMAGES, MRFIT, MSMI, MUCOSA, MUST, MUST EECP, MUSST, MUSTIC, MUSTT, MUTT, N of 1, NASCET, NASCIS, NETT, NICE, NINDS, NIÑOS, Nonrandomized, NORDIL, OASIS, OASIS 2, OAT, OBJECT, OCTAVE, OHTS, OMNIUM, ONTARGET, Open-label, OPERA, OPTIMAAL, OPTIME-CHF, OPUS, ORBIT, OVERTURE, PAC-A-TACH, PACT, PAIR, Parallel groups, PAMI-1, PAMI-2, PARADIGM, PARAGON, PARIS, PARK, PCDD, PEACE, PEPI, PETHEMA, PHADE, PHAROS, PIMI, PIOPED, PIVOT, PLAC I, PLAC II, PLESS, POEM, POSCH, PRAISE, PRECEDENT, PREPIC, PRESTO, PREVENT, PRIMI, PRISM-PLUS, PROACT, PROBE evaluation, PROMISE, PROSPER, PROVE IT, PROVED, PROWESS, PURSUIT, Putative placebo, QUIET, QoLITY, RADIANCE, RADIUS, RALES, Randomized clinical, RAPID, RAPPORT, RAVEL, REACH, REACT, ReALIZe, RECIFE, REFLECT, REGRESS, REMATCH, RENAAL, RENAISSANCE, RESOLVD, RESTORE, RHYTHMS, RID--HD, RISC, RITA, RUTH, SADHAT, SAFE, SARECCO, SAVE, SAVED, SCD/HCT, Scopes monkey, SCRIP, SCRIPPS, SEAL, SECURE, Seeding, SENIC, SEROCO, SHARP, SHEP, SHOCK, SIAM, SIESTA, SILCAAT, SILENT, SMART, (S)MASH, SMILE, SOLVD-prevention, SOLVD-treatment, SPAF, SPAF-2, SPARCL, SPEED, SPICE, SPINAF, SPORT, SPRINT, SPS3, SSITT, STAR, START, STARS, STICH, STILE, STOP-Hypertension, STOPIT, STRESS, STRETCH, Superiority, SUPPORT, SWIFT, SWING, SWORD, SYMPHONY, Syst-Eur, TAIM, TAIST, TAMI-1, TAMI-5, TAMI-7, TAMI-9, TASS, TAUSA, TEAM-2, TEIS, TeqCES, TexCAPS, TIBBS, TIMI-2, TIMI-3, TIMI-4, TIMI-5, TIMI-7, TIMI-9, TOHP-1, TOMHS, TOPAS, TRACE, TRANSCEND, TREAT, TROPHY, TURBO, UK-HEART, UKPDS, UNASEM, V-HeFT-2, VA-HIT, VAL-HEFT, VALIANT, VALUE, VANILA, VANQWISH, VAST, VERT, VIGOR, Viral, VIRADAPT, VISP, VITATOPS, VMAC, WARIS, WARSS, WASID, WATCH, WIHS, WISE, WHIP, WHIMS, WINS, WOSCOPS, WRIST, XISHF, ZEUS.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

tri·al

(trī'ăl)
A test or experiment, usually conducted under specific conditions.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
A recent article by Sifri and Rizvi reviews the quality of 30 trials of non-insulin drugs on glycaemic management during Ramadan.4 The review provides a comprehensive overview of 20 RCTs and 10 observational trials using sulfonylureas, dipeptidyl peptidase 4 inhibitors and glucagon-like peptide 1 receptor agonists, with or without metformin, detailing strengths, omissions and flows in their methodology and reporting.
Under current regulation observational trials may be voluntarily registered if the sponsor so chooses, and some sponsors do so.
I am making steady progress in this direction, most recently enlisting the help of an accomplished and enlightened oncologist who is prepared to help us to set up initial observational trials.
The Wall Street Journal acknowledged, "Observational trials can only show an association, not a cause and effect,"Mr.
Along with a number of other concepts, the video explains the different phases of clinical trials, highlights the differences between interventional and observational trials, provides examples of inclusion and exclusion criteria, and describes the purpose of an Institutional Review Board (IRB).
* Vastly improved capacity for observational trials
The authors suggest this may partly explain the ambiguities in the results between observational trials and randomised trials.
The other authors concluded: 'The popular belief that only RCT produces trustworthy results and that all observational trials are misleading does a disservice to patient care, and the education of health care professionals:
In conclusion, the WHI failed to meet its (never clearly stated) objective to test for the cardioprotective effect of hormonal treatment in menopausal subjects equivalent to those in the observational trials. It also did not resolve the question of quality of life improvement, protection against dementia, or the relationship of estrogen treatment to breast cancer prevalence in the context of the women in the observational studies that inspired the WHI.
Evidence from observational trials suggests that vitamin E may be effective in preventing cardiovascular disease and cancer in women.
Short-term data from clinical and observational trials of HAART show that adherence and success rates of regimens are higher in clinical trials.
The study, an analysis of 12 observational trials, says there is a 40 per cent increase in the risk of HIV infection in women using Depo-Provera compared to women using a non-hormonal contraceptive and those not practicing brith control.

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