New device aims to boost circulation and ward off dangerous clots
NCT ID NCT05511064
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed trial tested a device called CGM MB-1701 to see if it can improve blood flow in people at risk for deep vein thrombosis (DVT). The study enrolled 60 adults who did not have DVT at the start. Researchers measured changes in blood flow speed in the leg vein after using the device for 5 and 10 days.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- CGM MB-1701 blood circulation device
- What this could lead to
- If it works, this device could help prevent dangerous blood clots in people at risk for deep vein thrombosis.
- What could go wrong
- This is a small, early-stage trial with only 60 participants. The device may not prove effective or safe in larger, more diverse groups.
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
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60 people
The number who actually took part.
- Started
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Dec 2022
- Finished
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Oct 2024
- 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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19 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: 1. Adult men and women over 19 years of age 2. Subjects who have not been diagnosed with deep vein thrombosis in the lower extremities through the following test results prior to the application of medical devices. (1) Subjects diagnosed by Doppler ultrasonography as having no blood clots in the femoral vein and the vena poplitea (2) D-dimer negative test result (Even if D-dimer is tested positive, it can be selected through additional tests at the discretion of investigator.) 3\. Subjects have 2 or more points of venous thromboembolism (hereinafter referred to as VTE) clinical prediction score (Two-level wells score) at the time of screening. 4\. Subjects who fully understand the purpose and procedure of the study and wish to participate in clinical trials with voluntary consent Exclusion Criteria: 1. Subjects complain of a decrease in the sensation of the lower extremities or is unable to feel the sensation of pain 2. Subjects have inflammation or trauma on the skin that directly touches the device
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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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Korea University Guro Hospital
Seoul, South Korea
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Presbyterian Medical Center
Jeonju, South Korea
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Seoul National University Bundang Hospital
Seoul, South Korea
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