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No-Radiation bone scanner could replace x-rays for osteoporosis screening

NCT ID NCT07187518

Diagnosis Sponsor: POROUS GmbH Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Sep 18, 2026 · Updated 2 times

Summary

This study is testing a portable ultrasound device called POROUS R4C that measures bone in the lower leg without radiation. Researchers want to see if it can estimate bone mineral density as accurately as the standard X-ray method (DXA). The study will include 350 healthy men and women aged 21 to 55, comparing results from both devices to check for safety and accuracy.

What this could mean

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

Active substance
POROUS R4C ultrasound device
What this could lead to
If successful, this could provide a portable, radiation-free way to screen for osteoporosis risk, making bone health checks more accessible.
What could go wrong
This is an early-stage study in a healthy, younger group, so results may not apply to older adults or those with osteoporosis. The device's accuracy compared to DXA is still unproven.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

350 people

The number who actually took part.

Started

Nov 2025

Finished

Sep 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 55 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: * Female or male individuals aged 21 to and including 55 years. * Written informed consent has been obtained. Exclusion criteria: * Presence of diseases that rule out valid measurements with the DXA and POROUS R4C ultrasound devices (e.g., fractures or metal implants in the examined bones, paralysis of the lower extremities, severe bone abnormalities). * Open wounds or skin infections at the measurement site of the POROUS R4C ultrasound device. * Inability to undergo the investigations required by the Clinical Investigation Plan (CIP) or cognitive limitations that preclude understanding of the Participant Information Sheet and the Informed Consent Document. * Pregnancy and breastfeeding * Individual is in custody by order of an authority or a court of law. * Close affiliation with an investigational site, e.g., employment at an investigational site, close relative of an investigator, or dependent person (e.g., student of the investigational site).

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Conditions

The condition(s) this trial relates to.

Bone Diseases, Metabolic bone fracture hip fracture osteoporosis Osteoporotic Fractures spinal fracture

As listed by the trial registrant

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

Healthy Osteopenia Osteoporosis

Contacts and locations

Locations

  • Centre of Muscle and Bone Research (ZMK), Charité Universitätsmedizin Berlin, Campus Benjamin Franklin

    Berlin, 12203, Germany

  • Department of Endocrinology and Metabolism, Charité Universitätsmedizin Berlin, Campus Mitte

    Berlin, 10117, Germany

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