App aims to let nurses detect dangerous clots without a specialist
NCT ID NCT06652568
First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 1 time
Summary
This study tested whether a mobile app called ThinkSono Guidance can help healthcare workers who are not ultrasound experts (like nurses or general doctors) take good-quality ultrasound images of leg veins to check for blood clots. Over 600 adults with symptoms of deep vein thrombosis took part. The goal was to see if the images were clear enough for a remote expert to make a diagnosis, potentially speeding up care.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ThinkSono Guidance System (software app for ultrasound image acquisition)
- What this could lead to
- If successful, this could make it easier for nurses and general doctors to quickly check for dangerous blood clots without needing a specialist on site.
- What could go wrong
- This is a completed study, but the software may not work as well in real-world settings or for all types of patients. The results depend on how well non-experts follow the guidance.
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
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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
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634 people
The number who actually took part.
- Started
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Nov 2023
- Finished
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Dec 2025
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * The participant is willing to provide written informed consent to participate in this research. * The participant is over the age of 18 * The participant has symptoms suggestive of a deep venous thrombosis (DVT) * The diagnostic DVT algorithm indicates that an ultrasound is needed Exclusion Criteria: * Patient consent not given or retracted during the study. * Local imaging specialists fail to scan the patient or fail to produce a conclusive imaging diagnosis. * Incomplete ThinkSono Guidance scan due to logistical or other issues such as pain, lack of patient cooperation, barriers such as a cast or other physical limitations. * Pregnant women * Patients who undergo a local imaging scan and initiation of new treatment for DVT (e.g. lytic agents, therapeutic anticoagulation, or intervention after the local imaging scan) before a ThinkSono scan can be performed.
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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.
Contacts and locations
Locations
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Allegheny Health Network
Pittsburgh, Pennsylvania, 15212, United States
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NYU Langone Health
New York, New York, 10016, United States
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South Texas Veterans Health System
San Antonio, Texas, 78229, United States
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Temple Health
Philadelphia, Pennsylvania, 19140, United States
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University of Wisconsin-Madison
Madison, Wisconsin, 53792, United States
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Other studies related to the condition(s) this trial covers.
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