Admin Adding Clinical Trials

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In DASHER a clinical trial is defined by two list of ROI labels. One list specifies the labels that are permitted in the trial, and the other list specifies the labels which are required by the trial (which should only include labels in the permitted list).

See Pseudonymising Data for details on how the lists are utilised during pseudonymisation.

Clinical trials can be added by users who have owner or member status of the hospital project in the non-anonymised XNAT.

To add a new trials to DASHER, two text files are required - one for permitted labels and one for the required labels. The files should be named as follows:

• Permitted labels: [trial_name]_labels.txt
• Required labels: [trial_name]_required_labels.txt

where [trial_name] is the name of the trial, e.g. testtrial1_labels.txt

Each file contains a list of permitted/required labels, one per line, for example:

   Chamber-Cord
   Chamber-Spine
   Lung
   BODY
   CTV-Spine
   A_Aorta
   A_Aorta_Asc
   A_Brachiocephls
   A_Carotid
   A_Carotid_L

Wildcards designated by * can be used (for example DOSE*).

To add a clinical trial the two files defining the permitted and required labels must be uploaded from the project page, using the Upload Clinical Trial item on the right hand side menu:

Log into the non-anonymised XNAT, navigate to the hospital project and choose Clinical Trial from the drop down menu and select both files to upload (multiple trials can be uploaded at the same time, by selecting all the required files):

After a few minutes, the trial will be available in the pseudonymisation form.