Stroke showdown: which Pre-Clot drug wins?
NCT ID NCT05728333
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
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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1,014 people
The number who actually took part.
- Started
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Nov 2023
- Finished
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May 2026
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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
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Affiliated Shaoxing Shangyu People's Hospital, School of Medicine, Zhejiang University
Shangyu, Zhejiang, 312300, China
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Beilun District People's Hospital
Ningbo, Zhejiang, 315800, China
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Changxing people's hospital
Changxing, Zhejiang, 313100, China
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Chongzhou People's Hospital
Chongzhou, Sichuan, 611230, China
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Dali Bai Autonomous Prefecture People's Hospital
Dali, Yunnan, 671000, China
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Ganzhou People's Hospital
Ganzhou, Jiangxi, 341000, China
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Haining People's Hospital
Haining, Zhejiang, 314400, China
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Haiyan People's Hospital
Wuyuan, Zhejiang, 314300, China
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Hangzhou First People's Hospital
Hangzhou, Zhejiang, 310000, China
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HuZhou Central Hospital
Huzhou, Zhejiang, 313000, China
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Huai'an First People's Hospital, the Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University
Huai'an, Jiangsu, 223300, China
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Jingdezhen First People's Hospital
Jingdezhen, Jiangxi, 333000, China
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Linhai Second People's Hospital
Linhai, Zhejiang, 317016, China
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Lishui People's Hospital
Lishui, Zhejiang, 323000, China
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Longyan First Hospital of Fujian Medical University
Longyan, Fujian, 364000, China
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Ningbo Medical Center Lihuili Hospital
Ningbo, Zhejiang, 315040, China
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Quanzhou County People's Hospital
Quanzhou, Guangxi, 541500, China
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Shenqiu County People's Hospital
Shenqiu, Henan, 466300, China
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Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Guangzhou, Guangdong, 510120, China
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Taihe County People's Hospital
Fuyang, Anhui, 236600, China
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Taizhou Central Hospital(Taizhou University Affiliated Hospital)
Taizhou, Zhejiang, 318000, China
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Taizhou First People's Hospital
Taizhou, Zhejiang, 318020, China
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Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University
Taizhou, Zhejiang, 317000, China
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Taizhou municipal hospital
Taizhou, Zhejiang, 318000, China
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The 904th Hospital of The People's Liberation Army
Wuxi, Jiangsu, 214000, China
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The Affiliated First Hospital of Ningbo University
Ningbo, Zhejiang, 315010, China
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The First Affiliated Hospital of Hainan Medical University
Haikou, Hainan, 570100, China
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The First Affiliated Hospital of Henan Polytechnic University (Jiaozuo Second People's Hospital)
Jiaozuo, Henan, 454000, China
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The First Affiliated Hospital of Wenzhou Medical University
Wenzhou, Zhejiang, 325000, China
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The First Affiliated Hospital, Hengyang Medical School, University of South China
Hengyang, Hunan, 421001, China
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The First People's Hospital of Huzhou
Huzhou, Zhejiang, 313000, China
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The First People's Hospital of Jiashan
Jiashan, Zhejiang, 314100, China
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The First People's Hospital of Mianyang (Mianyang 404 Hospital)
Mianyang, Sichuan, 621000, China
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The First People's Hospital of Pinghu
Pinghu, Zhejiang, 314200, China
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The First People's Hospital of Tongxiang
Tongxiang, Zhejiang, 314500, China
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The First People's Hospital of Wenling
Wenling, Zhejiang, 317500, China
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The Second Affiliated Hospital of Jiaxing
Jiaxing, Zhejiang, 314000, China
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Tongde Hospital of Zhejiang Province
Hangzhou, Zhejiang, 310012, China
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Xiangtan Central Hospital (The Affiliated Hospital of Hunan University)
Xiangtan, Hunan, 411100, China
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Xihua People's Hospital
Wacheng Neighborhood, Henan, 466600, China
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Xingguo People's Hospital, Xinguo Hospital of Gannan Medical University
Ganzhou, Jiangxi, 342414, China
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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.
- Can a web program rebuild memory after brain injury?
- Natural capsule tested as Add-On for stroke recovery
- Could a second Clot-Buster boost stroke recovery?
- Can a Low-Dose clot buster boost recovery after stroke clot removal?
- Stroke treatment upgrade: adding a Clot-Buster after clot removal may boost recovery
- Clot removal may boost recovery in mild stroke patients