Dear Investigator,

Thank you for your interest in participating in the 3TR studies! To enrol a study participant as a Healthy Control, please visit the following link:

Enrol a study participant as a Healthy Control

Please note that a HC should be as healthy as possible, certainly with none of the 3TR diseases, and desirably with no currently ongoing medication. A patient’s spouse may be eligible if health status and medication criteria are fulfilled. Please enrol only adult individuals (≥18 years of age).


You will be asked to insert your contact information together with the study password.

The study password is: 3TRHC

Next, you will be asked to create a personal password. The password you create will be required to insert information for this study participant. Please make sure you remember or save your personal password as it will be required for when inputting data.

Click on submit to finish your registration. You will next shortly receive the link you will need for registering data in the 3TR-HC eCRF.

If you require any assistance, please contact us at: [email protected]

Demo link

You can access the following demo link to get familiar with the eCRF:

Demo link

Note: This link is exclusively designed for training purposes. Please do not input real data.


3TR-SLE Karolinska

For the 3TR-WP5

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