randomized trial
[/ˈrændəmaɪzd ˈtraɪəl/]
nounpl: randomized trials
ensaio clínico randomizado
1. A research study in which participants are randomly assigned to either a treatment group or a control group to test the effectiveness of a medical intervention, drug, or therapeutic procedure
The randomized trial demonstrated that the new drug was more effective than the placebo in reducing symptoms.
O ensaio clínico randomizado demonstrou que o novo medicamento era mais eficaz que o placebo na redução dos sintomas.
2. A rigorous experimental design method considered the gold standard in clinical research for establishing causality and reducing bias
The gold standard for evaluating new treatments is a double-blind randomized trial.
O padrão ouro para avaliar novos tratamentos é um ensaio clínico randomizado duplo-cego.
Randomized trials are fundamental to evidence-based medicine and are heavily emphasized in both Brazilian and international clinical research. In Brazil, regulatory bodies like ANVISA (Agência Nacional de Vigilância Sanitária) require randomized trials for drug approval, making this term essential in pharmaceutical and medical sectors. The term is primarily used in academic, medical, and scientific contexts rather than in everyday conversation.
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