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There have been 258 placebo-controlled clinical trials of vaccines, according to a new research project. More than half of ...
eDepartment of Medicine, University of California, San Diego, CA, USA fDivision of Gastroenterology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, ...
Design Using the UK Clinical Practice Research Datalink, we conducted a population-based cohort study using a new-user active comparator design. From 1 January 1990 to 30 April 2018, we identified 973 ...
When executed with precision and transparency, ECAs can enhance trial efficiency, expand access and support evidence—while ...
Randomisation is based on a computer-generated algorithm held and controlled centrally by the Warwick ... to follow-up are greater than anticipated, for example, due to ongoing cancer treatment. The ...