- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04072367
FIrst-Pass Reperfusion With the NeVa Stent-Retriever Trial (FIRST)
A Prospective, Randomized, Open-Label, Multi-Center, Assessor-Blinded Study Designed to Compare the Safety, Performance and Efficacy of the NeVatm Stent Retriever Versus the Solitairetm Stent Retriever
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A pivotal, randomized, open label, assessor-blinded, 90-day study designed to compare the safety, performance and efficacy of thrombus removal in subjects aged ≥ 18 years presenting with acute ischemic stroke with the NeVa versus the Solitaire stent retrievers.
A total of 414 eligible subjects will be randomized in a 1:1 ratio to one of two treatment groups:
- Active Treatment Group
- Control Device
Study Type
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age ≥ 18 years
- A new focal disabling neurologic deficit consistent with acute cerebral ischemia
- NIHSS score ≥ 6;
- Prestroke mRS score of ≤ 2;
- Angiographic confirmation by DSA of an occlusion (eTICI 0-1) of the intracranial ICA, MCA-M1, MCA-M2, basilar artery, or intracranial vertebral artery with or without tandem involvement of the cervical ICA or cervical vertebral artery;
Imaging Criteria:
Strokes in the Anterior Circulation:
- Non-Contrast CT (NCCT): ASPECTS 6 to 10 on baseline CT, or
- CT perfusion (with Automated Volume Calculation): core infarct volume ≤ 70cc and Mismatch Ratio ≥ 1.5
- CT perfusion (without Automated Volume Calculation): ASPECTS 6 to 10 on the CBV maps with Visualized MTT or TMax - CBV Mismatch greater than 50%, or
- Brain MRI: ASPECTS 6 to 10 (and <70cc if Automated Volume Calculation is available) on baseline diffusion-weighted sequence (DWI).
Strokes in the Posterior Circulation: pc-ASPECTS score 8 to 10 on baseline NCCT, CTA-source images, or DWI MRI.
- Subjects for whom IV-tPA is indicated and who are available for treatment, are treated with IV-tPA within 4.5 hours of stroke onset (onset time is defined as the last time when the subject was witnessed to be at baseline), with verification that the subject has received/is receiving the correct IV t-PA dose for the estimated weight
- Arterial puncture within 12 hours of symptom onset (or time last seen well - TLSW), thrombectomy procedure able to be completed within 2 hours from procedure start (arterial puncture).
- Subject or legal representative is able and willing to give informed consent.
Exclusion Criteria:
- Rapid neurological improvement prior to groin puncture suggestive of resolution of stroke
Seizures at stroke onset if it makes the diagnosis of stroke doubtful and precludes obtaining an accurate baseline NIHSS assessment.
- Note: Subjects with a questionable seizure at onset of stroke should not be excluded if DSA confirms the presence of intracranial ICA and/or M1 occlusion, and accurate NIHSS can be obtained.
- Pre-existing medical neurological or psychiatric disease that would confound the neurological or functional evaluations, e.g. dementia with prescribed anti-cholinesterase inhibitor (e.g. Aricept).
- Cardiopulmonary resuscitation, significant cardiac arrhythmia, evidence of ongoing myocardial infarction, concern for pre-treatment pulmonary aspiration.
- Clinical symptoms suggestive of bilateral stroke or stroke in multiple territories.
- Cerebral vasculitis.
- History of severe allergy to contrast medium.
- Known allergy to stent retriever materials (nitinol, stainless steel);
- Suspicion of aortic dissection, septic embolus, or bacterial endocarditis.
- Active infection.
- Baseline CT or MRI showing mass effect or intracranial tumor (except small meningioma [≤ 3 cm]).
- CT or MRI evidence of recent/fresh hemorrhage on presentation.
- CTA, MRA, or DSA evidence of flow limiting carotid dissection, high-grade stenosis, or complete cervical carotid occlusion requiring stenting at the time of the index procedure (i.e., mechanical thrombectomy).
- Evidence of dissection in the intracranial cerebral arteries;
- Uncontrolled hypertension on presentation (defined as SBP > 220 mmHg and / or DBP > 120 mmHg). For subjects placed on intravenous BP medication, uncontrolled hypertension is defined as SBP > 185 mmHg and / or DBP > 110 mmHg.
- Baseline hemoglobin of < 7 mmol/L.
- Baseline platelet count < 50,000/uL.
Renal failure as defined by a serum creatinine >3.0 mg/dL (264 mmol/L).
- Note: subjects on renal dialysis may be treated regardless of serum creatinine levels.
- Known hemorrhagic diathesis, coagulation factor deficiency, or on anticoagulant therapy with INR > 3.0 or PTT > 3 times normal. Subjects on factor Xa inhibitor for 24-48 h ago must have a normal PTT.
- Baseline blood glucose of < 50 mg/dL (2.78 mmol) or > 400 mg/dL (22.20 mmol). Note: The ''correction'' of baseline glucose or coagulation laboratory values to meet inclusion criteria will not be allowed.
- Females who are pregnant or breastfeeding.
- Known current or recent use of illicit drugs or alcohol abuse.
- Use of an investigational drug or device within past 3 months;
- Life expectancy less than 6 months.
- Any other condition that, in the opinion of the investigator, precludes an endovascular procedure or poses a significant hazard to the subject if an endovascular procedure was performed.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Active Treatment Group
NeVa Stent Retrievers
|
thrombus removal
|
Other: Control Device
Solitare Stent Retrievers
|
thrombus removal
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reperfusion rate
Time Frame: post-procedure day 0
|
The primary study endpoint is the reperfusion rate of the occluded target vessel (defined by an eTICI score ≥ 2b) following one single pass using the assigned stent retriever device(s)
|
post-procedure day 0
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Stent retriever comparison
Time Frame: Day 90
|
The secondary endpoint is the proportion of subjects treated with the NeVa device with good clinical outcomes at the Day 90 evaluation (defined as mRS score ≤ 2) when compared to the subjects treated with the predicate.
|
Day 90
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- VS-007
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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