Acute Ischemic Stroke
Conditions
Brief summary
The objective of this study the first human use of a new device in treatment of acute ischemic stroke, which to evaluate the feasibility, safety, and efficacy of the Cerebrovascular Interventional Procedural Control System.
Interventions
DEVICECerebrovascular Interventional Procedural Control System
The Cerebrovascular Interventional Procedural Control System is intended for use in the remote delivery and manipulation of guidewires and rapid deliver stent catheters, and remote manipulation of guide catheters during cerebrovascular intervention procedures.
Sponsors
Hangzhou Dinova Neuroscience Technology Co., Ltd
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
10 Years to 80 Years
Healthy volunteers
No
Inclusion criteria
1. Age 18-80. 2. Diagnosed with acute ischemic stroke. 3. Arterial occlusion in the anterior cerebral circulation that was confirmed by CTA or MRA. 4. Subject could be treated intraarterially within 8 hours after symptom onset. 5. Prestroke Modified Rankin Score ≤ 1. 6. National Institutes of Health Stroke Scale (NIHSS) ≥6 and ≤20. 7. Patients or their legally authorised representatives provided signed, informed consent.
Exclusion criteria
1. NCCT ASPECT score \<6，or the infarct volume exceeded 1/3 of the middle cerebral artery blood supply area. 2. CT/MR Showed midline shift or cerebral hernia, and ventricle occupying effect. Intracranial hemorrhage. CTA/MRA shows carotid artery dissection, severe stenosis, or complete occlusion, which requiring carotid stent implantation during thrombectomy; Bilateral acute stroke or multiple intracranial large vessel occlusion. 3. Females who are pregnant or lactating. 4. Severe allergy to contrast agents, nickel-titanium metal or its alloys. 5. Drug-resistant hypertension (defined as sustained systolic blood pressure \>185mmHg or diastolic blood pressure \>110mmHg). 6. Hemorrhagic tendency (including but not limited to platelet \<100\*109/L, heparin treatment within 48 hours with APTT ≥35s, taking warfarin with an INR \> 1.7). 7. Surgery or biopsy of parenchymal organs within the last 1 month 8. Any active or recent bleeding (gastrointestinal, urinary, etc.) within the last 1 month 9. Undergoing hemodialysis or peritoneal dialysis; exist of severe renal insufficiency (serum creatinine \>220umol/L or 2.5mg/dl) 10. Previous intracranial hemorrhage, subarachnoid hemorrhage, brain tumor. 11. Life expectancy of less than 1 year. 12. Enrollment in another clinical trial evaluating other devices or drugs during the same period. 13. Abnormalities or diseases that the investigator considers to be excluded from the study's coverage.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Good Neurological Outcome | 90±7 Days post-treatment | Good clinical outcome is defined as an modified Rankin Scale (mRS) score of 0-2 at 90 days. mRS 0-2 indicates functional independence 0 - No symptoms. |
| Technical Success | Immediately post-treatment | Using Cerebrovascular Interventional Procedural Control System successfully complete the catheters in placement, thrombectomy stent release, and thrombectomy system recovery, without manual conversion. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Successful Recanalization Rate | Immediately post-treatment | Achieving mTICI ≥2b in the target vessel within 1 passes of the Cerebrovascular Interventional Procedural Control System without the use of rescue therapy. |
| Radiation Exposure | Immediately post-treatment | Total fluoroscopy dose utilized during the procedure as recorded by the DSA Imaging System. |
| Time from Groin Puncture to Reperfusion | Immediately post-treatment | Time from groin puncture to achievement of mTICI ≥2b |
| Device-related Serious Adverse Events (SAEs) | Through 90 days | Any serious adverse events related to the device, such as vessel perforation, vessel dissection, vessel rupture, and severe spasm. |
| All-cause Mortality at 90 days | Through 90 days | Rate of mortality |
| Symptomatic Intracranial Hemorrhage | 36 hours post-treatment | Symptomatic hemorrhage within 24 hours of procedure. Symptomatic hemorrhages is defined as any parenchymal hematoma 1 (PH1), parenchymal hematoma 2 (PH2), intraparenchymal hemorrhage remote from the ischemic field (RIH), intraventricular hemorrhage (IVH), and subarachnoid hemorrhage (SAH) associated with a worsening of National Institutes of Health Stroke Scale (NIHSS) ≥ 4 within 24hrs. |
| Successful Revascularization | Immediately post-treatment | Achieving mTICI ≥2b in the target vessel within 3 passes of the cerebrovascular interventional procedural control system without the use of rescue therapy. |
Countries
China
Contacts
Primary ContactVico Wang
Outcome results
None listed