Stroke Clinical Trial
— SASTOfficial title:
A Randomized, Double-blind, Active-Controlled Trial Comparing the Safety and Efficacy of Aspirin Versus Clopidogrel in Stroke Patients With Glucose-6-phosphate Dehydrogenase Deficiency
Aspirin was reported to induce hemolysis in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency on some occasions, while still widely uesd for stroke prevention. The SAST trial is designed to evaluate the safety and efficacy of aspirin in patients this enzyme disorder.The primary purpose of the trial is to evaluate the hemolytic effects of a 3-month regimen of aspirin 100mg/d versus a 3-month regimen of clopidogrel 75mg/d.
Status | Recruiting |
Enrollment | 440 |
Est. completion date | December 31, 2024 |
Est. primary completion date | December 31, 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 40 Years and older |
Eligibility | Inclusion Criteria: 1. Age=40 years(no upper limit) 2. Acute ischemic stroke within 14 days of symptoms onset; 3. Glucose-6-phosphate dehydrogenase deficiency screened in G6PD enzyme activity 4. Had not received aspirin 7 days prior to randomization 5. Informed consent signed Exclusion Criteria: 1. Diagnosis of hemorrhage or other pathology, such as vascular malformation, tumor, abscess or other non-ischemic brain disease, base on head CT or MRI 2. Concomitant infections at the time of randomization 3. mRS>2 prior to the presenting stroke 4. Hemoglobin<10 g/dL prior to randomization 5. Received intravenous thrombolytic therapy or neurointervention treatment before randomization 6. Clear indication for anticoagulation (presumed cardioembolism, eg, atrial fibrillation, prosthetic cardiac valves or suspected endocarditis) 7. Clear indication for dual antiplatelet therapy (eg, minor stroke in 24h (NIHSS =3) or endovascular therapy for the indexed event) 8. Anticipated concomitant antiplatelets other than aspirin or clopidogrel (eg, GPIIb/IIIa inhibitors, ticlopidine, prasugrel, dipyridamole, ozagrel, cilostazol, ticagrelor) and other antithrombotic agents with antiplatelet effects, including traditional/herbal medicine agents. 9. Anticipated concomitant therapy with long-term (>7 days) NSAIDs affecting platelet function 10. Contraindication to clopidogrel or aspirin (1)Known allergic reactions (2)Severe hepatic or renal dysfunction (Severe hepatic dysfunction is defined as serum ALT or AST >2 times the upper limit of the normal group;Severe renal dysfunction is defined as serum creatinine > 1.5 times the upper limit of the normal group) (3)Severe cardiac failure(NYHA class ? or ?) (4)Asthma (5)Any history of Hemostatic disorder or systemic bleeding (6)Any history of thrombocytopenia or neutropenia (7)Any history of drug-induced hematologic or hepatic insufficiency (8)Low white blood cell (<2×10^9/L) or platelet count (<100×10^9/L) 11. Any history of thalassemia, autoimmune hemolytic disease, aplastic anemia or other severe hematologic diseases 12. Anticipated concomitant therapy with other contraindicated drugs for G6PD deficiency 13. Severe dysphagia to unable swallow the drugs 14. Concomitant infections and need for antimicrobial therapy 15. Intracranial hemorrhage or gastrointestinal bleed within 3 months, or major surgery within 30 days 16. Stomach tumor or any other malignant tumor 17. Planed surgery or interventional treatment that may affect the study procedure 18. Severe non-cardiovascular comorbidity with life expectancy <3 m 19. Female who is pregnant or lactating 20. Currently receiving an investigational drug or device 21. Inability to understand and/or comply with study procedures due to psychosis, cognition impairment or emotion disturbance. |
Country | Name | City | State |
---|---|---|---|
China | People's Hospital of Baise | Baise | Guangxi |
China | Fengcheng People's Hospital | Fengcheng | Jiangxi |
China | First Affiliated Hospital of Gannan Medical University | Ganzhou | Jiangxi |
China | Ganzhou Municipal Hospital | Ganzhou | Jiangxi |
China | Ganzhou People' Hospital | Ganzhou | Jiangxi |
China | The First Affiliated Hospital of Guangdong Pharmaceutical University | Guangzhou | Guangdong |
China | The First Affiliated Hospital of Jinan University | Guangzhou | Guangdong |
China | The First Affiliated Hospital of Sun Yat-Sen University | Guangzhou | Guangdong |
China | The Second Affiliated Hospital of Hainan Medical University | Haikou | Hainan |
China | Jieyang Municipal People's Hospital | Jieyang | Guangdong |
China | The Forth Affiliated Hospital of Guangxi Medical Hospital | Liuzhou | Guangxi |
China | Longyan First Hospital | Longyan | Fujian |
China | Meizhou City People's Hospital | Meizhou | Guangdong |
China | The Forth Affiliated Hospital of Nanchang University | Nanchang | Jiangxi |
China | The First Affiliated Hospital of Guangxi Medical Hospital | Nanning | Guangxi |
China | Sanming First Hospital | Sanming | Fujian |
China | Yue Bei People's Hospital | Shaoguan | Guangdong |
China | Beiliu People's Hospital | Yulin | Guangxi |
China | Yunfu People's Hospital | Yunfu | Guangdong |
Lead Sponsor | Collaborator |
---|---|
First Affiliated Hospital, Sun Yat-Sen University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Proportion of protocol-defined hemolysis. | Protocol-defined hemolysis is defined as one or more of the following conditions: a) Hemoglobin level declined =2.5 g/dL from baseline, meanwhile ruling out bleeding events. b) Hemoglobin level declined =25% from baseline, meanwhile ruling out bleeding events. c) Clinically relevant hemolytic events, could manifested as fatigue, back pain, anemia, dark urine and jaundice, adjudicated by the adjudication committee ultimately. | 90±5 days. | |
Secondary | Change in hemoglobin. | 4 days,10±3 days,27±3 days and 90±5 days. | ||
Secondary | Change in reticulocyte. | 4 days,10±3 days,27±3 days and 90±5 days. | ||
Secondary | Change in unconjugated bilirubin and total bilirubin. | 4 days,10±3 days,27±3 days and 90±5 days. | ||
Secondary | Change in lactic dehydrogenase. | 4 days,10±3 days,27±3 days and 90±5 days. | ||
Secondary | Proportion of major bleed (GUSTO de?nition). | 90±5 days. | ||
Secondary | Overall mortality. | 90±5 days. | ||
Secondary | Proportion of new clinical vascular events, de?ned as the composite of stroke, transient ischemic attack (TIA), myocardial infarction and vascular death. | 90±5 days. | ||
Secondary | Proportion of functional independence defined as modified Rankin Scale score 0-2. | Modified Rankin Scale score ranges from 0 to 6, and lower score means more functional independence. | 90±5 days. | |
Secondary | Proportion of functional independence defined as Barthel Index 95-100. | Barthel Index ranges from 0 to 100, and higher score means more functional independence. | 90±5 days. | |
Secondary | Change in National Institutes of Health Stroke Scale | National Institutes of Health Stroke Scale ranges from 0 to 42, and higher scores indicate more severe neurologic deficits. | 90±5 days. | |
Secondary | Health related quality of life, assessed by EuroQoL-5 Dimensions questionnaire | EuroQoL-5 Dimensions questionnaire contains utility index score and visual analogue scale. Utility index score ranges from 0 to 1, and visual analogue scale ranges from 0 to 100. Higher scores indicate more healthy quality of life. | 90±5 days. |
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