Define a treatment arm
If a treatment arm is used in both a blinded and open-label period, create just one treatment arm for both study periods. The unblinding setting on the randomization design determines whether the treatment arm title is visible to blinded users.
Want to see how to perform this task? Watch the video below.
If you're randomizing two or more times and you add a treatment arm to the first randomization design after assigning both randomization designs to visits, a red circle with a number on it appears on the Map Treatment Arms button to the right of the visit with the second randomization design in Visits & Events. Click the button to update the treatment ratio.
To create a treatment arm: