Study to Assess the Safety and Effectiveness of the Penumbra System

Completed · Phase 2

Conditions studied: Stroke

In brief

This clinical evaluation is a prospective, single-arm, multi-center trial. The purpose of this clinical evaluation is to assess the safety and effectiveness of the Penumbra System in the revascularization of patients presenting with acute ischemic stroke secondary to intracranial, large vessel, occlusive disease.

Key facts

Study ID

NCT00334061

Run by

Penumbra Inc.

People needed

125

Starts

2006-06-01

Expected to finish

2007-11-01

Last updated by the study team

2019-09-18

Who can join

Age: 18 and older, up to 79. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Clinical signs consistent with acute ischemic stroke
• 18 to 79 years of age
• Neurological deficit resulting in an NIH Stroke Scale (NIHSS) score > 8
• TIMI 0 or TIMI I flow in vessels accessible to the Penumbra System
• Signed informed consent
• Present within 8 hours of stroke symptom onset; ineligible or refractory to intravenous tissue plasminogen activator (t-PA) therapy if presenting within 3 hours of symptom onset.

You may not qualify if…

• Evidence of rapidly improving neurological signs of stroke at time of enrollment
• NIHSS > 30 or coma
• Females who are pregnant
• Vessel tortuosity too difficult to allow endovascular access
• Known hemorrhagic diathesis, coagulation deficiency, or on oral anticoagulant therapy with an International Normalized Ratio (INR) > 3.0
• Partial thromboplastin time (PTT) greater than 2 times the lab normal
• Admission platelets < 30,000
• Pre-existing neurological or psychiatric disease that could confound the study results
• Known severe allergy to contrast media
• Uncontrolled hypertension
• Computed tomography (CT) evidence of significant mass effect with a midline shift
• CT reveals evidence of large hypodensity region > 1/3 of the middle cerebral artery territory
• CT reveals evidence of intracranial hemorrhage
• CT reveals significant mass effect with midline shift
• Angiographic evidence of an arterial stenosis proximal to the occlusion that could prevent thrombus removal
• Angiographic evidence of preexisting arterial injury
• Life expectancy of less than 90 days
• Participation in another clinical investigation that could confound the evaluation of the study device.

Where it is running

• Saint Luke's Hospital — Kansas City, Missouri, United States

Full record on ClinicalTrials.gov

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