When you delete arms from a trial, you delete them from the system, and can not recover them.
How to Delete Arms
Search for the trial of interest. For instructions, refer to Searching for Trials in PA.
In the search results, click the NCI Trial Identifier link for that trial. The Trial Identification page appears.
On the Trial Identification page, check out the trial. For instructions, refer to Checking In and Checking Out Trials. (This checkout step is optional for Super Abstractors.)
On the Scientific Data menu, click Arms. The Arms page appears.
In the Delete column for the appropriate record, click the Delete icon.
There is no way to recover a deleted record. If you delete a record accidentally, follow the instructions in Adding Arms to add it back.
