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Thrombolysis Treated With TNK-tPA in Acute Ischemic Stroke Patients (3T Stroke-II)

Phase 2
Conditions
Acute Ischemic Stroke
Interventions
Registration Number
NCT05281549
Lead Sponsor
Beijing Tiantan Hospital
Brief Summary

The trial is prospective, block randomized, open-label, blinded endpoint (PROBE) design. Patients with acute ischemic stroke, who are eligible for standard intravenous thrombolysis within 4.5 hours of stroke onset will be randomized 1:1:1 to 0.25mg/kg or 0.40mg/kg intravenous tenecteplase or 0.9 mg/kg alteplase before all participants undergo endovascular thrombectomy.

Detailed Description

The study will be a multi-center, prospective, randomized, open- label, blinded endpoint (PROBE), controlled phase 2 trial (3 arm with 1:1:1 randomization) in ischemic stroke patients. Imagine is performed with CT or MRI acutely with imaging follow-up at 24-30 hours. The sample size is 225.

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
225
Inclusion Criteria
  • Age ≥18 years old;
  • The clinical diagnosis was Acute ischemic stroke The time from onset to treatment was < 4.5h; The time at which symptoms begin is defined as "the time at which they finally appear normal";
  • mRS before onset was ≤1 points;
  • Baseline NIHSS (at the time of randomization) should be > 5 and ≤25 points;
  • Informed consent from the patient or surrogate.
Exclusion Criteria
  • Intracranial hemorrhage identified by CT or MRI (CMBs detected by SWI is not counted);
  • Massive anterior cerebral infarction identified by CT or MRI (ASPECT < 6 or lesions larger than one third of the territory of the middle cerebral artery or with a volume larger than 70mL)
  • A history of severe CNS damage (such as aneurysm or arteriovenous malformation, craniocerebral trauma, intracranial or spinal cord surgery)
  • Onset with seizures, and the paralysis was suspected to be related to Todd paralysis.
  • Administration of heparin within 48 hours preceding the onset of stroke with a baseline APTT exceeding the upper limit of the normal range.
  • Oral anticoagulant (such as warfarin) treatment with baseline INR>1.7 or PT>15 s;
  • Administration of thrombin inhibitors or factor Xa inhibitors within 48 hours preceding the onset of stroke with abnormal coagulation parameters or platelet count;
  • BP couldn't be controlled with aggressive treatment. Uncontrolled hypertension was defined as systolic blood pressure >185 mmHg or diastolic blood pressure >110 mmHg, measured for three times every 10 minutes.
  • Platelet count of less than 100×109/ L;
  • Blood glucose <50 mg/dl (<2.8 mmol/L) or >400 mg/dl (22.22 mmol/L);
  • History of intracranial hemorrhage or active hemorrhagic disease. (Such as gastrointestinal, urinary tract or retinal bleeding)
  • Tumors with an increased risk of bleeding.
  • Prolonged or traumatic cardiopulmonary resuscitation (>2 min), delivery within the last 10 days or recent puncture of non-compression vessels such as subclavian vein or jugular vein
  • Acute pancreatitis or severe liver disease, including liver failure, cirrhosis, portal hypertension, esophageal varicose veins, and active hepatitis;
  • Aortic arch dissection;
  • Major surgery or severe trauma in the past 2 weeks;
  • Subjects had serious, fatal, or disabling disease with an expected survival of less than 3 months;
  • Unable to complete neurological assessment and follow-up visits because of dementia or mental illness;
  • Pregnant women, lactating women, or have positive pregnancy test;
  • Allergy to tenecteplase or alteplase or their components;
  • Participation in other clinical trials within 3 months prior to screening;
  • Unsuitable to involve in this study or would result in increased risk, as judged by the investigators.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AlteplaseAlteplasePatients will receive intravenous Alteplase at the standard licensed dose of 0.9 mg/kg up to a maximum of 90mg, 10% as bolus and the remainder over 1 hour.
Tenecteplase 0.25mg/kgTenecteplasePatients will receive intravenous Tenecteplase, 0.25mg/kg, maximum 25mg, administered as a bolus over 5\~10 seconds
Tenecteplase 0.4mg/kgTenecteplasePatients will receive intravenous Tenecteplase, 0.4mg/kg, maximum 40mg, administered as a bolus over 5\~10 seconds
Primary Outcome Measures
NameTimeMethod
Modified Rankin Scale(mRS)90±7 days

Proportion of subjects with mRS scores of (0-1) at 90±7 days.(Comments:The minimum and maximum values are from 0 to 6,and higher scores mean a worse outcome.)

Secondary Outcome Measures
NameTimeMethod
Modified Rankin Scale(mRS)90±7 days

mRS scores at 90±7 days.(Comments:The minimum and maximum values are from 0 to 6,and higher scores mean a worse outcome.)

National Institutes of Health Stroke Scale (NIHSS)7±2days or discharge

Proportion of subjects with ≥ 4 point reduction in NIHSS or reaching 0-1 at 7 ± 2 days or before discharge (whichever occurs first).(Comments:The minimum and maximum values are from 0 to 40, and higher scores mean a worse outcome.)

The new vascular events90±7 days

Incidence of the new vascular events, ischemic stroke, hemorrhagic stroke, myocardial infarction and cardio-cerebral revascularization at 90±7 days. (including: carotid endarterectomy, intracranial and extracranial artery interventional therapy, intracranial and extracranial artery bypass surgery, coronary interventional or bypass therapy)

Deaths90±7 days

Vascular mortality at 90±7 days (mainly due to stroke, myocardial infarction or pulmonary embolism)

EQ-5D90±7 days

EQ-5D scores at 90±7 days.(Comments:The minimum and maximum values are from 0 to 100,and higher scores mean a better outcome.)

Trial Locations

Locations (28)

Huai'an Second People's Hospital

🇨🇳

Huai'an, Jiangsu, China

Tangshan Gongren Hospital

🇨🇳

Tangshan, Hebei, China

Mei He Kou Central Hospital

🇨🇳

Meihekou, Jilin, China

Shanghai Pudong Hospital

🇨🇳

Shanghai, Shanghai, China

The First People's Hospital of Yinchuan

🇨🇳

Yinchuan, Ningxia, China

Zhejiang Provincial People'S Hospital

🇨🇳

Hangzhou, Zhejiang, China

Hengshui people's Hospital (Harrison International Peace Hospital)

🇨🇳

Hengshui, Hebei, China

The Affiliated Hospital of Xuzhou Meidcal University

🇨🇳

Xuzhou, Jiangsu, China

Beijing Tiantan Hospital, Capital Medical University Beijing

🇨🇳

Beijing, Beijing, China

Jilin Guowen Hospital

🇨🇳

Siping, Jilin, China

Baogang Hospital of Inner Monglia

🇨🇳

Baotou, Inner Monglia, China

Linyi City People Hospital

🇨🇳

Linyi, Shandong, China

General Hospital of Ningxia Medical University

🇨🇳

Yinchuan, Ningxia, China

Yantai Yuhangding Hospital

🇨🇳

Yantai, Shandong, China

Changzhi People'S Hospital

🇨🇳

Changzhi, Shanxi, China

Zigong First People'S Hospital

🇨🇳

Zigong, Sichuan, China

Taizhou Hospital of Zhejiang Province

🇨🇳

Taizhou, Zhejiang, China

Dazhu County People's Hospital

🇨🇳

Dazhou, Sichuan, China

Quanzhou First Hospital

🇨🇳

Quanzhou, Fujian, China

Yue Bei People'S Hospital

🇨🇳

Shaoguan, Guangdong, China

Inner Mongolia Baotou Hospital

🇨🇳

Baotou, Inner Mongolia, China

The First Hospital of Jilin University

🇨🇳

Changchun, Jilin, China

Daqing Oilfield General Hospital

🇨🇳

Daqing, Heilongjiang, China

Shandong Provincial Third Hospital

🇨🇳

Jinan, Shandong, China

Liaocheng People'S Hospital

🇨🇳

Liaocheng, Shandong, China

Qingdao Central Hospital

🇨🇳

Qingdao, Shandong, China

The First People's Hospital of Jinzhong

🇨🇳

Jinzhong, Shanxi, China

First Hospital of Shanxi Medical University

🇨🇳

Taiyuan, Shanxi, China

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