The random assignments were made by means of daily text messages sent over a 14-day period. ... we observed no between-group differences according to race in the adherence to assignments (Table S5).

Secondary end points included PFS (time from random assignment to first disease progression per RECIST v1.1 by blinded independent central review [BICR] or death from any cause), ORR (proportion of ...

The sensitivity analyses, which included using the lowest PSA within 12 months after random assignment as well as a separate PSA cutpoint of 0.2 ng/mL, showed broadly similar results to those seen ...

To illustrate the importance of random assignment, I would like you to imagine we did not use random assignment in our study of treatment for COVID-19. Unbeknownst to us, ...

Although clustered assignment increases sampling variability in observational studies, as it does in randomized experiments, it also tends to decrease sensitivity to unmeasured biases, and as the ...

Hydroxychloroquine, chloroquine, and remdesivir are among the drugs commonly discussed as treatments for the new viral infection, coronavirus disease 2019 (COVID-19). Previously, I described ...