CONTROLLED TRIAL, RANDOMIZED
\kəntɹˈə͡ʊld tɹˈa͡ɪə͡l], \kəntɹˈəʊld tɹˈaɪəl], \k_ə_n_t_ɹ_ˈəʊ_l_d t_ɹ_ˈaɪ_əl]\
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Clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table. Treatment allocations using coin flips, odd-even numbers, patient social security numbers, days of the week, medical record numbers, or other such pseudo- or quasi-random processes, are not truly randomized and trials employing any of these techniques for patient assignment are designated simply CONTROLLED CLINICAL TRIALS.
By DataStellar Co., Ltd
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