Page History
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- Editorial, Administrative Changes (correction of minor typographical errors; clarifications made to previously approved descriptions of research)
- Data, Data Collection, and Data Collection Materials (revised study diaries; revised questionnaires or QOL surveys given to participants)
- Recruitment of Subjects (changes in the way subjects are recruited; a new or revised advertisement)
- Principal Investigator Contact Information
How to Update Trials
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Tip |
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An asterisk ( * ) at the end of a trial title indicates that the trial has alternate titles. |
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If applicable, enter an ClinicalTrials.gov Identifier, and then click Add ClinicalTrials.gov Identifier.
Note |
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You cannot change the ClinicalTrials.gov Identifier once you have added it. If you need to make changes thereafter, contact the CTRO at NCICTRO@mail.nih.gov. |
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Make changes to the fields as necessary. The instructions are the same for trial registration and trial update, with some exceptions:
A trial can accumulate program codes from different organization families. For example, a participating site might belong to a different organization family than the lead organization. When you update a trial, the Program Code field displays all codes from the master list for the organization family of the lead organization.
- If appropriate, upload any new or updated documents. For instructions, refer to Uploading Trial-Related Documents. If you upload an IRB document, the CTRO reviews the updated record you submit and makes changes to the record as necessary. For example, if you upload an IRB document for a trial currently in the In Review state, the CTRO updates the IRB information section of the trial record (e.g., IRB status and approval number).
For instructions on recording each field otherwise, refer to Registering New Trials.
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To open the trial record for editing, refer to Updating Trial Information.