The Over-Volunteering Prevention System (TOPS) is run by the Health Research Authority. If you are having trouble accessing your account or your account has not yet been setup, please contact tops.hra@nhs.net or 0207 972 2509.

ADVANCE NOTICE: TOPS will be updated to Version 1.2 on Wednesday 1 March 2017. The site will be offline between 18:00 and 20:00 whilst the update takes place.

Please note the release will include the addition of a user responsibilities page which you will need to accept on your first login in order to access TOPS after the update. The user responsibilities statements have been added to clarify responsibilities regarding the accuracy and quality of data entered in TOPS. The Health Research Authority is responsible for the maintenance of TOPS.



Tops Login

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The Over-Volunteering Prevention System (TOPS) is run by the Health Research Authority and helps prevent volunteers from taking part in trials of new medicines too frequently.
All personally identifiable information gathered is securely held and fairly processed.