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Continuum BP

CONTINUUM BP

Full Title: A single-centre randomised prospective cross-over study to assess agreement between blood pressure measurements taken using cuffless wearable and conventional cuffed ambulatory blood pressure monitoring devices

Short Title: Continuum BP

Sponsor: Queen Mary University of London

Funder: Barts Biomedical Research Centre

Chief Investigator: Dr Ajay K Gupta, Clinical Reader in Preventive Cardiovascular Medicine, Queen Mary University of London

Co-Investigators: Prof Amrita Ahluwalia, Professor of Vascular Pharmacology, Dean for Research, Queen Mary University of London & Director of Barts CVCTU; Prof Anthony Mathur, Professor of Cardiology, Queen Mary University of London & Co-Director for Cardiovascular Research, Barts Health NHS Trust

Contact: whri-brc-cvctu@qmul.ac.uk

Registration: https://www.clinicaltrials.gov/study/NCT06573801

Study Design: A single-centre, randomised, prospective cross-over study comparing cuffless wearable devices with conventional cuff-based blood pressure monitors

Objectives:

  • Evaluate the accuracy of the Hilo (formerly Aktiia) Bracelet and BPro Evo smartwatch in measuring blood pressure over 24 hours
  • Compare the accuracy of cuffless wearables with standard automated oscillometric measurements
  • Assess the acceptability and feasibility of these devices among participants

Number of Participants: 42

Devices Used: Hilo (formerly Aktiia) Bracelet and BPro Evo smartwatch

Study Duration: 8–10 months

Location: William Harvey Clinical Research Centre and Barts Cardiovascular Clinical Trials Unit (CVCTU) Queen Mary University of London​

Summary: High blood pressure is one of the leading causes of heart disease, yet many people struggle to monitor it regularly due to the discomfort of conventional cuff-based blood pressure monitors. These devices, which squeeze the arm to take a reading, can be inconvenient and impractical for continuous tracking.

The Continuum BP Study is testing new smart wearable devices, such as wristbands and smartwatches, that can measure blood pressure without the need for a cuff. These devices use advanced sensors to track blood pressure throughout the day, providing a more convenient and comfortable alternative to standard methods.

This study will compare the accuracy of these cuffless wearables to conventional devices to see if they can provide reliable readings. If successful, this technology could make blood pressure monitoring easier for people, encouraging better management of hypertension and reducing the risk of strokes and heart attacks.

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