In your role as trial owner (original submitter or current owner), you can amend only Complete trials. The trials you own are listed when you use the Search My Trials feature. Refer to Searching for Trials. In addition to rules provided in Registering New Trials, the following rules apply to amendments:

When you are submitting an amendment, we recommended that you provide any additional documents that you think will be useful to the CTRO for reviewing and processing the amendment document.

A trial may have more than one owner. Review the recorded information carefully to see if another owner has modified the trial.