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Smartwatch blood pressure checks put to the test against hospital standards

NCT ID NCT07719660

Knowledge-focused Sponsor: Technische Universität Dresden Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 22, 2026 · Last updated Aug 27, 2026 · Updated 4 times

Summary

This trial tests whether wearable devices like smartwatches can measure blood pressure as accurately as standard arm cuffs or invasive arterial lines. Hospitalized patients will wear multiple devices using light-based (PPG) and wrist-cuff methods, with readings compared to clinical references over three days. The goal is to see if these convenient wearables could be trusted for routine blood pressure monitoring.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If these wearables prove accurate, they could offer a convenient way to track blood pressure continuously without bulky cuffs.
What could go wrong
This is an early comparison study in a hospital setting; real-world accuracy may differ, and the devices may not work well for all patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2026

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

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

Hospitalized adult patients aged 21 to 85 years who are treated on participating general wards or intensive care units at the hospital and are able to provide written informed consent.

Ages

21 to 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Blood pressure measurements can be performed on at least one arm, for example no amputation, dialysis shunt, or obstructive dressing * Ability to understand the study information and provide written informed consent * For participants in the intensive care unit: an arterial line placed for clinical reasons Exclusion Criteria: * Wrist circumference exceeds the size range of the investigated wearable devices * Physical or medical conditions preventing placement of the wearable devices, including relevant skin lesions, wounds, severe edema, or patient restraint * Inability to provide written informed consent

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Conditions

The condition(s) this trial relates to.

hypertensive disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Blood pressure monitoring CUFF Hypertension Photoplethysmography Wearable devices

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites in 2 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Careggi University Hospital

    NOT_YET_RECRUITING

    Florence, FI, 50134, Italy

  • University Hospital Dresden

    RECRUITING

    Dresden, Saxony, 01307, Germany

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