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.


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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.