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Stroke showdown: which Pre-Clot drug wins?

NCT ID NCT05728333

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 15, 2026 · Updated 2 times

Summary

This study tests two different medicines given before a procedure to remove a blood clot from the brain in people having a major stroke. The goal is to see which medicine helps more people recover with little or no disability. About 800 adults who arrive at the hospital within 24 hours of stroke symptoms will take part.

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 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

1,014 people

The number who actually took part.

Started

Nov 2023

Finished

May 2026

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 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: 1. Aged 18 years or older; 2. Acute ischemic stroke patient eligible for intravenous thrombolysis who are present within 4.5 hours of last known well, or present within 4.5-24 hours of last known well with demonstrated salvageable brain tissue (defined as an estimated ischemic core volume \<70 ml, a mismatch ratio ≥1.8 and a mismatch volume ≥15 ml); 3. Occlusion of the internal carotid artery, M1 or M2 segment of the middle cerebral artery, or basilar artery confirmed by CTA or MRA; 4. Endovascular thrombectomy is planned by clinical care team; 5. Informed written consent obtained from patients or their legal representatives. Exclusion Criteria: 1. Acute intracranial hemorrhage on admission; 2. Contraindication to intravenous thrombolytics or tirofiban; 3. Pretreatment with intravenous thrombolysis after index stroke; 4. Significant pre-stroke disability defined as a modified Rankin scale (mRS) score greater than 2; 5. Known pregnancy or lactation; 6. Allergy to radiographic contrast agents, nickel, titanium metals or their alloys; 7. Current participation in other drug clinical trials; 8. Arterial tortuosity and/or other arterial disease that would prevent the thrombectomy device from reaching the target vessel; 9. Patient with a preexisting neurological or psychiatric disease that would confound the outcome assessments; 10. Radiologically confirmed mass effect or intracranial tumor except for small meningioma; 11. Radiologically confirmed intracranial arteriovenous malformation or aneurysm. 12. Any terminal disease with a life expectancy less than half a year.

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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

  • Affiliated Shaoxing Shangyu People's Hospital, School of Medicine, Zhejiang University

    Shangyu, Zhejiang, 312300, China

  • Beilun District People's Hospital

    Ningbo, Zhejiang, 315800, China

  • Changxing people's hospital

    Changxing, Zhejiang, 313100, China

  • Chongzhou People's Hospital

    Chongzhou, Sichuan, 611230, China

  • Dali Bai Autonomous Prefecture People's Hospital

    Dali, Yunnan, 671000, China

  • Ganzhou People's Hospital

    Ganzhou, Jiangxi, 341000, China

  • Haining People's Hospital

    Haining, Zhejiang, 314400, China

  • Haiyan People's Hospital

    Wuyuan, Zhejiang, 314300, China

  • Hangzhou First People's Hospital

    Hangzhou, Zhejiang, 310000, China

  • HuZhou Central Hospital

    Huzhou, Zhejiang, 313000, China

  • Huai'an First People's Hospital, the Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University

    Huai'an, Jiangsu, 223300, China

  • Jingdezhen First People's Hospital

    Jingdezhen, Jiangxi, 333000, China

  • Linhai Second People's Hospital

    Linhai, Zhejiang, 317016, China

  • Lishui People's Hospital

    Lishui, Zhejiang, 323000, China

  • Longyan First Hospital of Fujian Medical University

    Longyan, Fujian, 364000, China

  • Ningbo Medical Center Lihuili Hospital

    Ningbo, Zhejiang, 315040, China

  • Quanzhou County People's Hospital

    Quanzhou, Guangxi, 541500, China

  • Shenqiu County People's Hospital

    Shenqiu, Henan, 466300, China

  • Sun Yat-sen Memorial Hospital, Sun Yat-sen University

    Guangzhou, Guangdong, 510120, China

  • Taihe County People's Hospital

    Fuyang, Anhui, 236600, China

  • Taizhou Central Hospital(Taizhou University Affiliated Hospital)

    Taizhou, Zhejiang, 318000, China

  • Taizhou First People's Hospital

    Taizhou, Zhejiang, 318020, China

  • Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University

    Taizhou, Zhejiang, 317000, China

  • Taizhou municipal hospital

    Taizhou, Zhejiang, 318000, China

  • The 904th Hospital of The People's Liberation Army

    Wuxi, Jiangsu, 214000, China

  • The Affiliated First Hospital of Ningbo University

    Ningbo, Zhejiang, 315010, China

  • The First Affiliated Hospital of Hainan Medical University

    Haikou, Hainan, 570100, China

  • The First Affiliated Hospital of Henan Polytechnic University (Jiaozuo Second People's Hospital)

    Jiaozuo, Henan, 454000, China

  • The First Affiliated Hospital of Wenzhou Medical University

    Wenzhou, Zhejiang, 325000, China

  • The First Affiliated Hospital, Hengyang Medical School, University of South China

    Hengyang, Hunan, 421001, China

  • The First People's Hospital of Huzhou

    Huzhou, Zhejiang, 313000, China

  • The First People's Hospital of Jiashan

    Jiashan, Zhejiang, 314100, China

  • The First People's Hospital of Mianyang (Mianyang 404 Hospital)

    Mianyang, Sichuan, 621000, China

  • The First People's Hospital of Pinghu

    Pinghu, Zhejiang, 314200, China

  • The First People's Hospital of Tongxiang

    Tongxiang, Zhejiang, 314500, China

  • The First People's Hospital of Wenling

    Wenling, Zhejiang, 317500, China

  • The Second Affiliated Hospital of Jiaxing

    Jiaxing, Zhejiang, 314000, China

  • Tongde Hospital of Zhejiang Province

    Hangzhou, Zhejiang, 310012, China

  • Xiangtan Central Hospital (The Affiliated Hospital of Hunan University)

    Xiangtan, Hunan, 411100, China

  • Xihua People's Hospital

    Wacheng Neighborhood, Henan, 466600, China

  • Xingguo People's Hospital, Xinguo Hospital of Gannan Medical University

    Ganzhou, Jiangxi, 342414, China

  • Yijishan Hospital of Wannan Medical University

    Wuhu, Anhui, 241000, China

More trials for these conditions

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