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New Clot-Busting drug could change heart attack care

NCT ID NCT06769256

Disease control Sponsor: Henan Institute of Cardiovascular Epidemiology 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two drugs given directly into the heart arteries during a heart attack: rhTNK-tPA, a clot dissolver, and tirofiban, a blood thinner. Researchers will enroll 300 patients with severe blockages to see which drug restores blood flow better and causes fewer bleeding problems. The goal is to find a safer, more effective way to treat heart attacks.

What this could mean

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

Active substance
rhTNK-tPA (a clot-dissolving drug) and tirofiban (a blood-thinning drug)
What this could lead to
If rhTNK-tPA works as well as tirofiban, it could offer another option to restore blood flow after a heart attack, potentially reducing heart damage.
What could go wrong
This is a mid-stage trial with only 300 patients, so results may not apply to everyone. Both drugs carry a risk of bleeding, and rhTNK-tPA might not prove as effective or safe as hoped.

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 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 300 people

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

Started

Jan 2025

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 75 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 18-75 years old; * STEMI within 12 hours of onset; * TIMI flow grade 0-2 or TIMI thrombus grade ≥4 after thrombus aspiration or balloon dilation * Radial artery access Exclusion Criteria: * A functional coronary collateral supply (Rentrop grade≥2) to the infarctrelated artery * Known or suspected old myocardial infarction of target vessels * Rescue PCI * Cardiogenic shock * Contraindications to Tirofiban or rhTNK-tPA * Severe hepatic and renal insufficiency (alanine aminotransferase ≥5 upper limit of normal; estimated glomerular filtration rate \<30ml/min/1.73m2, or on dialysis) * Prolonged (\> 10 minutes) cardiopulmonary resuscitation * Definite mechanical complications (including ventricular septal perforation, or rupture of the Papillary tendon bundle, or rupture of the left ventricular free wall) * Severe chronic obstructive pulmonary disease or respiratory failure * Severe infection * Neurological disorders * Malignant tumors or other pathophysiological conditions with an expected survival time of less than 1 year * Pregnant or lactating women

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Conditions

The condition(s) this trial relates to.

ST-elevation myocardial infarction

As listed by the trial registrant

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

ST-segment elevation myocardial infarction (stemi)

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

  • Fuwai Central China Cardiovascular Hospital

    RECRUITING

    Zhengzhou, Henan, China

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