Here you will find a selection of studies which are currently recruiting people with Long Covid.
If you are a research scientist and wish to have your study featured here, please contact us at
Take Part in Research
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Long Covid and the Carotid Chemoreflex (Bristol, UK)
Why is the study being conducted: Some people with long-COVID experience exercise intolerance, and breathlessness at rest, and during exercise and fatigue. We know that the carotid bodies may play an important role in these symptoms, as we have shown previously that the carotid bodies are overactive in people with long-COVID.
Study aims: The aims of this study are to investigate whether ‘switching off’ the carotid bodies can improve breathing efficiency during exercise, and reduce hyperventilation at rest, in people with long-COVID.
Where: The NIHR Clinical Research Facility, Bristol, England (https://www.bristolcrf.nihr.ac.uk/getting-here/)
What will happen: Participants will attend the Clinical Research Facility for three visits on separate days. Visit 1 is a screening visit and will involve several questionnaires, a blood pressure and ECG check, a blood sample and lung function and diffusion tests. Visits 2 and 3 will be the same, but a different infusion (dopamine or saline) will be used. We will measure your breathing at rest and during an exercise test on an upright cycle ergometer. If participants need a break during the study visits, or would like a quiet place to rest between, or after the procedures, we can facilitate this within the Clinical Research Facility.
Who: People aged between 18-75 years old who have been diagnosed with long-COVID, and healthy control participants.
Funders/Sponsors: The study is sponsored by the University of Bristol and funded by the Medical Research Council, UK Research and Innovation (MRC, UKRI).
Contact details: If you are interested in taking part, please email and you will be sent more information.
More information: For more information about this study, please visit the study website: Long-COVID and the carotid chemoreflex, or see the entry on the NIHR Be Part of Research website:
Please find a link to our paper published in Nature Communications Medicine: https://pmc.ncbi.nlm.nih.gov/articles/PMC10876702/#CR20
Post-Hospitalisation COVID-19 (PHOSP-COVID) study - 5 Year Follow-Up
Did you take part in the PHOSP-COVID Study? If so, it's time for the 5-year follow-up!
Study aims: This new phase of the study aims to build on earlier findings by assessing over time, individuals who were hospitalised with COVID-19. The information collected will help the researchers better understand the long-term effects of COVID-19, and help improve care, treatment and support for those affected by the virus.
Where: On-line.
What will happen: Those invited to take part will receive an email or letter containing a unique link to an online survey, which takes an estimated 20 minutes to complete. Responses are saved automatically, so it's possible to pause and return later using the same link and access code.
After completing the survey, participants will be invited to take part in a short set of cognitive tests, which can be done straight away or at another convenient time (it's best to use a computer or tablet).
Who: For this follow-up, participants who previously took part in the PHOSP-COVID study - and gave permission to be contacted again - will be invited to take part.
Contact details: If you have any questions, please contact:
More information: PHOSP-COVID website: https://www.phosp.org
