Registry for Endovascular Thrombectomy in Extra-Large Stroke Patients
Official title: XL STROKE: A Nationwide Prospective Registry of Endovascular Thrombectomy for Extra-large Ischemic Stroke With Large Vessel Occlusion
Run by Xinqiao Hospital of Chongqing · NCT06210633 · Data updated 2026-11-12
This study is trying to see how well a procedure called endovascular thrombectomy works for people with very large strokes to help improve their outcomes.
Quick facts
| Study type | Observational |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 1000 (estimated) |
| Sponsor | Xinqiao Hospital of Chongqing Academic / other |
| Locations | 1 site (Xiangtan, Hunan) |
| Status | Recruiting |
| Started | January 20, 2024 |
| Main results expected | December 31, 2025 |
| Study ends | March 31, 2026 |
| Registry record updated | December 31, 2025 |
| Trial ID | NCT06210633 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are patients who have experienced an acute ischemic stroke within the last 24 hours and have specific imaging results indicating an extra-large infarct core.
✕Probably not a fit
Patients with evidence of hemorrhage, severe comorbid conditions, or those who are pregnant may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to collect data on the outcomes of endovascular thrombectomy in patients suffering from acute ischemic stroke with extra-large infarct cores, defined as having a volume greater than 100ml. It builds on previous randomized trials that have demonstrated the efficacy of thrombectomy in patients with large vessel occlusion. The study will enroll patients within 24 hours of stroke onset and will assess their eligibility based on specific imaging criteria. The goal is to better understand the safety and effectiveness of this intervention in a population that has been underrepresented in prior studies.
Why it matters
Potential benefit: If successful, this study could provide critical insights into the treatment of patients with extra-large ischemic strokes, potentially improving their functional outcomes.
How similar studies have gone: Previous studies have shown success with endovascular thrombectomy in large infarct patients, but this specific focus on extra-large infarct cores is relatively novel.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: Clinical inclusion criteria 1. Age ≥18 years; 2. Presenting with acute ischemic stroke within 24 hours of time from last known well; 3. The patient or patient's representative signs a written informed consent form before enrollment. Neuroimaging inclusion criteria 1. Occlusion of internal carotid artery, or the middle cerebral artery M1 or M2 segments confirmed by computed tomography angiography, magnetic resonance angiography, or digital subtraction angiography; 2. The baseline ASPECTS is 0 to 2 based on NCCT or diffusion weighted imaging, or cerebral extra-large ischemic core volume ≥85ml (defined as relative cerebral blood flow \<30% on CT perfusion or an apparent diffusion coefficient \<620×10\^-6 mm2/s on MRI). Exclusion criteria 1. CT or MRI evidence of acute intracranial hemorrhage; 2. Evidence of mass effect with ventricular effacement, midline shift or herniation on baseline imaging; 3. Females who are pregnant, or those of childbearing, potential with positive urine or serum beta Human Chorionic Gonadotropin test; 4. Previous bleeding disorders, severe heart, liver or kidney disease, or sepsis; 5. Any terminal illness with life expectancy less than 6 months; 6. Participation in other clinical treatment trials.
Where it's running
-
Xiangtan Central Hospital
Xiangtan, Hunan, China Recruiting
Study contacts
- Principal investigator: Guangxiong Yuan — Xiangtan Central Hospital
- Study coordinator: Zhongming Qiu
- Email: qiuzhongmingdoctor@163.com
- Phone: +8613236599269
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
-
Mobilisation After Endovascular Stroke Treatment
This study checks whether moving around 12 hours after endovascular stroke treatment is as safe as moving around 24 hours for people with an acute ischemic stroke.
-
Intra-arterial Thrombolysis After Endovascular Thrombectomy in AIS
This trial tests whether giving intra-arterial thrombolysis with tenecteplase or alteplase after endovascular thrombectomy helps improve recovery in adults with acute ischemic stroke.
-
Hyperbaric oxygen after clot-removal in large vessel strokes
In people who have an acute stroke due to a large vessel blockage and were treated with endovascular therapy, this trial tests whether adding hyperbaric oxygen after the procedure helps more people recover.
-
Real-world performance and safety of the Penumbra System in acute ischemic stroke
This project will test how the Penumbra mechanical thrombectomy system performs and how safe it is in adults aged 18–75 who have acute ischemic stroke and are eligible for clot removal.
-
Balloon guide catheter versus conventional guide catheter for clot removal in ischemic stroke
This study will test whether a balloon guide catheter or a conventional guide catheter works better for adults having a thrombectomy to treat an acute ischemic stroke.
-
IV infusions of human umbilical cord mesenchymal stem cells for acute ischemic stroke (Phase IIa)
This Phase IIa test will see if one or multiple IV infusions of human umbilical cord mesenchymal stem cells help adults with recent acute ischemic stroke recover better and are safe.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.