Healthy volunteer information: U-RHYTHM and catecholamines

A pilot study of U-RHYTHM technology to investigate 24-hour catecholamine measurements

Healthy volunteer information

Thank you for visiting this page. This page is for people interested in participating in a study for healthy volunteers. If you are a patient with a diagnosis of phaeochromocytoma or paraganglioma then please click here for more information.

Who can take part in the study?

  • Males and females, aged 16 or older

Reasons you might not be able to take part

  • If you are currently pregnant or breastfeeding
  • If you have any active healthy problems, or take any regular prescribed medication, except for contraception
  • If you use over the counter, herbal or other non-prescription medications that cannot be stopped during the study
  • If you have worked a night shift work or travelled across 2 or more time zones in the last 60 days
  • If you have used illicit drugs recently, or intravenous drugs in the past
  • If your blood pressure is too high

What to do now

If you think you might be interested, please click here to download and read the Participant Information Sheet.

For more information and to contact the study team about participating please send us an email

Who is organising and funding the research?

The Henry Wellcome Laboratories for Integrative Neuroscience (part of the University of Bristol) is carrying out the research in collaboration with clinical colleagues at University Hospitals Bristol Weston NHS Foundation Trust and a partner site in Athens, Greece. The research is sponsored by the University of Bristol and is being funded by the Wellcome Trust

It has full approval from the NHS Research Ethics Board. Funding pays the salaries of some of the research staff and other direct costs of doing the research. Researchers are not receiving any payments other than their usual salaries

It has been funded by a Wellcome Trust Technology Development Grant

It has been reviewed and ethically approved by the Health Research Authority in England (IRAS 309240)