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Double dose hope: new stroke study tests second clot buster

NCT ID NCT07375966

Disease control Sponsor: General Hospital of Shenyang Military Region Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at giving a second dose of the clot-busting drug tenecteplase to people having a stroke caused by a medium or large blocked artery. Participants must receive the first dose within 4.5 hours of symptoms and show little improvement after one hour. The goal is to see if the extra dose helps reopen the artery and improve recovery without causing harm.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 198 people

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

Started

Mar 2026

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 80 years

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 year; * Acute ischemic stroke presumably caused by large or medium vessel occlusion within 4.5 hours of onset, having received standard-dose intravenous thrombolysis, and with no planned thrombectomy; * Measurable neurological deficit before the first intravenous thrombolysis, with NIHSS ≥ 4; * Baseline pc-ASPECTS/ASPECTS ≥ 6, and for posterior circulation infarction, a Pontine-Midbrain Index ≤ 2 (assessed by CT or DWI); * No significant clinical improvement (reduction in NIHSS ≤ 2) or neurological deterioration after initial improvement at 1 hour after the first thrombolysis; * Follow-up imaging (CTA or MRA) at 1 hour after the first thrombolysis rules out intracranial hemorrhage and confirms the presence of large or medium vessel occlusion (internal carotid artery, M1-M3 segments of the middle cerebral artery, A1-A3 segments of the anterior cerebral artery, P1-P3 segments of the posterior cerebral artery, basilar artery or V4 segment of the vertebral artery, PICA, AICA, or SCA); * The second intravenous thrombolysis can be administered within 6 hours of onset; * First stroke onset or past stroke without obvious neurological deficit (mRS≤1); * Signed informed consent. Exclusion Criteria: * Planed for endovascular treatment; * Significant white matter hyperintensities (Fazekas score 3); * Any coagulation abnormality before the first thrombolysis, including INR \> 1.5; * Receipt of dual antiplatelet therapy within 24 hours prior to thrombolysis.； * Pregnancy； * Allergy to the investigational drug(s)； * Comorbidity with other serious diseases; * Participating in other clinical trials within 3 months; * Patients not suitable for the study considered by researcher.

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Conditions

The condition(s) this trial relates to.

ischemic stroke large artery stroke

As listed by the trial registrant

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

Ischemic stroke

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

  • Lu Wang

    RECRUITING

    Shenyang, Liaoning, 110840, China

More trials for these conditions

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