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Advantages of cluster-randomised controlled trials over individually randomised controlled trials include: The ability to study interventions that cannot be directed toward selected individuals (e.g., a radio show about lifestyle changes) and the ability to control for "contamination" across individuals (e.g., one individual's changing behaviors may influence another individual to do so).
[1] [2] The crossover is in one direction, typically from control to intervention, with the intervention not removed once implemented. The stepped-wedge design can be used for individually randomized trials, [3] [4] i.e., trials where each individual is treated sequentially, but is more commonly used as a cluster randomized trial (CRT). [5]
Pages for logged out editors learn more. Contributions; Talk; Cluster randomized controlled trial
The DRKS is an open access, free of charge online register for clinical trials and is available both in English and German. DRKS is part of the WHO's ICTRP. The DRKS works with two partner registries in Germany, DeReG (German Registry for Somatic Gene-Transfer Trials) and Clinical Trial Registry of the University Medical Center Freiburg. [4]
The main CONSORT Statement is based on the "standard" two-group parallel design. Extensions of the CONSORT Statement have been developed to give additional guidance for randomized trials with specific designs (e.g., cluster randomized trials, [3] noninferiority and equivalence trials, [4] pragmatic trials [5]), data (e.g., harms, [6] abstracts [7]), type of target outcome, [8] and various ...
Clinical trials units (CTU) are specialised biomedical research units which design, centrally coordinate and analyse clinical trials and other studies. Some CTUs specialise in different methodologies, such as randomised controlled trials , cluster randomised trials , surgical trials, and health services research.
U.S. health officials have identified a cluster of cases caused by an mpox variant that are resistant to Siga Technologies' antiviral tecovirimat, branded as TPOXX, in five U.S. states, federal ...
Randomized controlled trial [5]. Blind trial [6]; Non-blind trial [7]; Adaptive clinical trial [8]. Platform Trials; Nonrandomized trial (quasi-experiment) [9]. Interrupted time series design [10] (measures on a sample or a series of samples from the same population are obtained several times before and after a manipulated event or a naturally occurring event) - considered a type of quasi ...