The phrase "are randomized in a" is correct and usable in written English.
It can be used in contexts where you are describing a process or method that involves randomization within a specific framework or system.
Example: "The participants are randomized in a controlled trial to ensure unbiased results."
Alternatives: "are randomly assigned in a" or "are distributed randomly in a".
Second, in a more subtle, but related, situation individuals are randomized in a traditional randomized trial, but naturally fall within a cluster (i.e patients are seen by a single physician) that leads to similarity in behavior (i.e. individual physician practice pattern leads to similar outcomes among patients) [ 43, 44].
Participants from over 65 dialysis facilities associated with 15 clinical centers in the United States are randomized in a 2 × 2 factorial design to dialysis prescriptions targeted to a standard dose equilibratedKtV or a high dose equilibratedKtV, and to either low or high flux membranes.
Participants from this pool are randomized in a 1 1 ratio to Tai Chi or Physical Therapy.
Patients are randomized in a ratio of 2 3 3 to placebo or to the two sorafenib arms.
Patients are randomized in a 1 1 ratio to either the treatment group or the control group.
Inclusion criteria: Patients with a clinical stage I endometrioid adenocarcinoma or complex atypical hyperplasia are randomized in a 2 1 allocation to receive TLH or TAH.
The random numbers in blocks of 4 were randomized in a 1 1 ratio to the two study groups.
In another randomized trial of 100 cases with lumbar stenosis, patients were randomized in a 1 : 1 ratio to undergo either X-Stop implantation or surgical decompression.
In the first scenario, we vary the number of random cubes and each cube's moving speed is randomized in a fixed speed range, Figs. 9 and 10.
Subjects were randomized in a 1 1 1 1 1 ratio using an interactive voice response system with centralized randomization and stratified by HCV status (yes or no) in blocks of five.
Patients were randomized in a 1 1 fashion between docetaxel and docetaxel and ganetespib therapy.
