Randomized controlled trials articles from across Nature Portfolio Atom RSS Feed Randomized controlled trials are clinical trials in which at least two interventions — the test treatment and a control treatment — are simultaneously evaluated in two or more arms of the trial, with enrolment into ...
36.2.2.5 Randomized Controlled Trials Randomized controlled trials are generally considered to be the optimal epidemiological approach to assessing the effects of a treatment, but they are rarely used in clinical teratology. It would be unethical to conduct a trial in humans to determine if a particu...
4.RANDOMIZED CONTROLLED TRIALS Randomized controlled trials(RCTs) are near the top of the hierarchy of evidence because they control for systematic error.RCTsavoid bias in the selection of participants and in the allocation of participants to the trial arms throughrandomizationand concealment of the ...
food intake restricted to the middle of the day) have been shown to have metabolic benefits. However, the two regimens have yet to be thoroughly compared. We conducted a five-week randomized trial to compare the effects
A randomized controlled trial (RCT) is a way of doing impact evaluation in which the population receivingthe programme or policy intervention is chosen at random from the eligible population, and a control groupis also chosen at random from the same eligible population. It tests the extent to ...
Bakst, PharmD Archives of Internal Medicine Other Articles A Randomized, Controlled Trial of the Effects of Remote, Intercessory Prayer on Outcomes in Patients Admitted to the Coronary Care Unit—Correction Archives of Internal Medicine Editor's Correspondence God, Prayer, and Coronary Care Unit ...
In a randomized controlled trial (RCT), workers participating in an employer-sponsored self-management group intervention will be compared with a no-treatment (wait list) control condition. Volunteer employees (n = 300) will be recruited from five participating employers and randomly assigned to...
One small, randomized, 2-year, placebo-controlled clinical trial of zinc supplementation found a statistically significant reduction in visual acuity loss in the zinc-treated group and recommended a more definitive trial before a general recommendation could be made for zinc supplementation in those at...
” We then conducted a nationally-recruited randomized, controlled pilot trial comparing SmartQuit with the National Cancer Institute's QuitGuide app. The aims were to determine (1) trial design feasibility, (2) participant receptivity and satisfaction, (3) preliminary cessation outcomes overall and...
Three review authors (EG, MB and IS) independently obtained and assessed potentially eligible articles for inclusion in the review. Any disagreements were resolved through discussion with the author FT. For multiple publications from the same trial, we considered only one data set, the most recent...