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Can a tiny device suction out dangerous blood clots?

NCT ID NCT07749820

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time

Summary

This trial is testing a device designed to remove blood clots from the deep veins of the legs, a condition called deep vein thrombosis (DVT). The study will enroll about 167 adults with acute or subacute DVT to see if the device can safely and effectively clear the blockage. Participants will be followed for six months to monitor their recovery and any potential complications.

What this could mean

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

Active substance
Peripheral thrombectomy system (a device to remove blood clots from veins)
What this could lead to
If successful, this device could offer a minimally invasive way to clear DVT clots, potentially reducing pain, swelling, and the risk of long-term complications.
What could go wrong
This is an early-stage trial, so the device may not work as well as hoped or could have risks like bleeding, infection, or damage to the vein. More research is needed to confirm its safety and effectiveness.

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

About 167 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

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

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥18 years; * Confirmed lower extremity deep vein thrombosis (DVT) by imaging, meeting at least one of the following: (1) acute iliofemoral or femoropopliteal DVT; or (2) subacute iliofemoral DVT; * Investigator-assessed life expectancy ≥1 year; * Willing to participate in this study and provide written informed consent. Exclusion Criteria: * Infection at the puncture site or severe systemic infection; * Inability to establish vascular access or difficulty in advancing the guidewire through the lesion; * Hemodynamically unstable pulmonary embolism; * The target lesion thrombosis is recurrent after prior interventional therapy; * A venous stent has been implanted in the target lesion, or the presence of an inferior vena cava filter that interferes with device deployment; * Bilateral lower extremity deep vein thrombosis requiring thrombectomy in the same procedure; * Active bleeding within the past 30 days, including severe intracranial, gastrointestinal, or urinary tract bleeding; * History of hemorrhagic or ischemic stroke within the past 30 days; * Known severe coagulation disorder or bleeding tendency; * Severe hepatic or renal impairment; * Known allergy or significant hypersensitivity to iodine-based contrast media, thrombolytic agents, anticoagulants, or antiplatelet drugs; * Known conditions such as severe hyperthyroidism, multiple myeloma, or severe heart failure that preclude tolerance to percutaneous transluminal angioplasty; * Pregnant or lactating women, or women planning to become pregnant during the study period; * Currently participating in any other clinical trial of a drug or medical device; * Any other condition that, in the investigator's judgment, makes the subject ineligible for participation in this trial.

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Conditions

The condition(s) this trial relates to.

venous thromboembolism Venous Thrombosis

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.

  1. The places running it

    1 site. 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

  • Zhongshan Hospital, Fudan University

    RECRUITING

    Shanghai, 200032, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.