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New Clot-Removing device tested in japan for dangerous blood clots

NCT ID NCT06871683

Disease control Sponsor: Inari Medical 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Aug 27, 2026 · Updated 4 times

Summary

This study is tracking 100 patients in Japan who receive the ClotTriever device to treat severe deep vein thrombosis (DVT). The device is used to remove blood clots from deep veins. Researchers are checking how safe the device is and how well it clears the clot in everyday hospital use. The goal is to confirm the device works well after it was approved for sale in Japan.

What this could mean

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

Active substance
ClotTriever Thrombectomy System (a device that removes blood clots from veins)
What this could lead to
If successful, this could confirm that the ClotTriever device is a safe and effective option for treating severe deep vein thrombosis in routine practice.
What could go wrong
This is an observational survey, not a controlled trial, so results may be less definitive. Risks include bleeding, new blood clots, or device-related complications.

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 100 people

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

Started

Feb 2025

Expected to finish

Dec 2028

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.

Who is studied

All patients with deep vein thrombosis with acute severe symptoms (excluding postthrombotic syndrome) for whom the ClotTriever® Thrombectomy System was used. Patients will be enrolled until at least 100 subjects complete the follow-up period through 6 months.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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.

This is an all-comers survey of all patients treated with ClotTriever® Thrombectomy System in Japan.

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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.

Deep vein thrombosis

How to take part

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

  1. The places running it

    15 sites. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Asahi General Hospital

    Chiba, 289-2511, Japan

  • Asahikawa Medical Hospital

    Asahikawa, 078-8510, Japan

  • Chiba University Hospital

    Chuo, Chiba, 260-8677, Japan

  • Keio University

    Tokyo, 160-8582, Japan

  • Kyoto Katsura Hospital

    Kyoto, 615-8256, Japan

  • Mie University

    Tsu, 514-0102, Japan

  • Mitsui Memorial Hospital

    Tokyo, 101-8643, Japan

  • Nara City Hospital

    Nara, 630-8305, Japan

  • National Cerebral and Cardiovascular Center

    Suita, Osaka, 564-8565, Japan

  • Nozaki Tokushukai Hospital

    Daitō, 574-0074, Japan

  • Osaka Police Hospital

    Osaka, 543-0042, Japan

  • Ota Memorial Hospital

    Ōta, Gunma, 373-8585, Japan

  • Shonan Kamakura

    Kanagawa, 247-8533, Japan

  • St. Marianna University Hospital

    Kawasaki, Kanagawa, 216-8511, Japan

  • Teikyo University

    Tokyo, 173-8606, Japan

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