Wristband vs. cuff: can a cuffless device match 24-Hour blood pressure monitoring?
NCT ID NCT07072689
First seen Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time
Summary
Researchers are testing whether the Hilo Band, a cuffless wrist device, can measure blood pressure as accurately as the standard 24-hour ambulatory monitor. The study enrolls 40 young adults aged 21 to 35, including those with normal, low, or high blood pressure. Participants wear both devices for up to three days, and researchers compare daytime and nighttime readings to see how closely the band matches the reference method.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Hilo Band, a cuffless blood pressure device worn on the wrist
- What this could lead to
- If the band performs well, it could offer a comfortable, low-cost way to track blood pressure over full days and nights, making it easier to spot hidden hypertension in young adults.
- What could go wrong
- The study is small and single-centre, so results may not hold in broader or older groups. Cuffless devices can also be sensitive to movement and body position, which may affect accuracy.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This is a single-centre non-interventional performance research project investigating the performance of Hilo band in two different study populations: population 1 and population 2. In population 1, we will recruit young participants between 21 and 35 years of age that come to our San Giovanni Hospital in Bellinzona with indication to receive a 24-hour BPM. On the other hand, in population 2, we will recruit healthy, voluntary individuals between 21 and 35 years of age.
- Ages
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21 to 35 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Population 2: * Informed Consent signed by the subject * 21-35 years of age * Functional internet phone connection * Negative pregnancy test, ongoing anti-conceptive treatment or declaration of the subject not being pregnant Population 1: * Informed Consent signed by the subject * 21-35 years of age * Clinical indication for receiving a 24-hour blood pressure measurement * Functional internet phone connection * Negative pregnancy test, ongoing anti-conceptive treatment or declaration of the subject not being pregnant Exclusion Criteria for both population 1 and 2: * Allergies to silicone * Atrial fibrillation * Subjects with arrhythmia * Patients suffering from pathologies that systematically reduce peripheral perfusion including Raynaud's disease, diabetes, renal dysfunctions (eGFR \< 30mL / min / 1.73 m2), untreated hyper-/ hypothyroidism, pheochromocytoma, or arteriovenous fistula * Interarm Systolic Blood Pressure (SBP) difference over 10% or Diastolic Blood Pressure (DBP) difference over 10% * Arm paralysis * Amputated upper limb * Arm trembling or shivering * Upper arm circumference \> 64 cm * Wrist circumference \> 22 cm * Exfoliative skin diseases and lymphoedema or damaged/injured skin at the wrist * Pregnant women * Individuals with lack of judgment/mental illness * Sleepwalking and severe insomnia * Pica disorder
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Ente Ospedaliero Cantonale
RECRUITINGBellinzona, Switzerland
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