Ancrod (Viprinex™) for the Treatment of Acute, Ischemic Stroke

NCT ID: NCT00141011

Last Updated: 2009-12-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE3

Total Enrollment

277 participants

Study Classification

INTERVENTIONAL

Study Start Date

2005-09-30

Study Completion Date

2008-12-31

Brief Summary

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The primary purpose of this study is to determine whether a brief intravenous infusion of ancrod started within 6 hours of stroke onset improves functional outcome at 3 months.

Detailed Description

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With prior approval by the FDA, an interim analysis for futility was performed when 500 subjects had been entered into the two parallel trials, NCT00141001 and NCT00300196. The analyses were reviewed by the data safety monitoring board, which recommended that both studies be terminated because of futility. This was done at a point where 650 subjects had been entered into both studies, combined, but analyses were conducted only on the initial 500 subjects. Results of the abbreviated analysis will be found with study NCT00141001 since that study contributed most of the subjects to the analysis.

Conditions

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Stroke Cerebral Ischemia Brain Infarction

Keywords

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Stroke Fibrinogen Reperfusion Thrombolysis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Intravenous ancrod

Intravenous ancrod infused at a rate of 0.167 IU/kg/hr (0.6 mL/kg/hr) for 2 or 3 hours depending on the pretreatment fibrinogen level.

Group Type EXPERIMENTAL

Ancrod (Viprinex)

Intervention Type DRUG

0.167 IU/kg/hr (0.6 mL/kg/hr) IV for 2-3 hours

Intravenous Placebo

Intravenous placebo at a rate of 0.6 mL/kg/hr for 2 or 3 hours depending on the pretreatment fibrinogen level.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

0.6 mL/kg/hr

Interventions

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Ancrod (Viprinex)

0.167 IU/kg/hr (0.6 mL/kg/hr) IV for 2-3 hours

Intervention Type DRUG

Placebo

0.6 mL/kg/hr

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Acute, ischemic stroke with first symptoms within 6 hours of beginning treatment
* Baseline NIHSS \> 5

Exclusion Criteria

* No intracranial, extravascular blood on CT
* Hypertension (systolic \> 185; diastolic \> 105)
* Baseline fibrinogen level \< 100 mg/dL
* Thrombocytopenia (\< 100,000 / mm3)
* Recent (\< 3 days) or anticipated (\< 5 days) use of a thrombolytic agent
* Recent (\< 14 days) or anticipated surgery
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Neurobiological Technologies

INDUSTRY

Sponsor Role lead

Responsible Party

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Neurobiological Technologies, Inc.

Principal Investigators

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Warren Wasiewski, M.D.

Role: STUDY_DIRECTOR

Neurobiological Technologies

Locations

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Mayo Clinic Hospital / Arizona

Phoenix, Arizona, United States

Site Status

Sparks Regional Medical Center

Fort Smith, Arkansas, United States

Site Status

Loma Linda University School of Medicine

Loma Linda, California, United States

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Santa Monica - UCLA Medical Center

Los Angeles, California, United States

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UCLA Medical Center

Los Angeles, California, United States

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Hoag Memorial Hospital

Newport Beach, California, United States

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The Neurology Center: Tri-City Medical Center

Oceanside, California, United States

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Shasta Regional Medical

Redding, California, United States

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Bridgeport Hospital

Bridgeport, Connecticut, United States

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Neurologic Consultants, P.A.

Fort Lauderdale, Florida, United States

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Shands Jacksonville / University of Florida

Jacksonville, Florida, United States

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Ocala Neurodiagnostic Center

Ocala, Florida, United States

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Florida Hospital Neuroloscience Institute

Orlando, Florida, United States

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Fawcett Memorial Hospital

Port Charlotte, Florida, United States

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Peace River Regional Medical Center

Port Charlotte, Florida, United States

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Tallahassee Memorial Healthcare, Inc.

Tallahassee, Florida, United States

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The Queens Medical Center, Neuroscience Institute

Honolulu, Hawaii, United States

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Mercy Hospital

Chicago, Illinois, United States

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Elkhart Clinic, LLC - Neurology

Elkhart, Indiana, United States

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Fort Wayne Neurological Center

Fort Wayne, Indiana, United States

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Parkview Research Center

Fort Wayne, Indiana, United States

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Sinai Hospital of Baltimore

Baltimore, Maryland, United States

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Baystate Medical Center

Springfield, Massachusetts, United States

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Wayne State University

Detroit, Michigan, United States

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St. Mary's Duluth Clinic

Duluth, Minnesota, United States

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Minneapolis Clinic of Neurology

Golden Valley, Minnesota, United States

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Deaconess Billings Clinical Research Center

Billings, Montana, United States

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NJ Neuroscience Institute

Edison, New Jersey, United States

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Neurology Consultants Of Burlington County

Lumberton, New Jersey, United States

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UMDNJ / Robert Wood Johnson Medical School

New Brunswick, New Jersey, United States

Site Status

Neurology Group of Bergen County

Ridgewood, New Jersey, United States

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Shore Neurology

Toms River, New Jersey, United States

Site Status

Kaleida Stroke Center

Buffalo, New York, United States

Site Status

United Health Services Hospitals

Johnson City, New York, United States

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Winthrop University Hospital

Minneola, New York, United States

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Weill Medical College of Cornell University

New York, New York, United States

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Rochester General Hospital

Rochester, New York, United States

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Strong Memorial Hospital

Rochester, New York, United States

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Presbyterian Hospital

Charlotte, North Carolina, United States

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Lebauer Cardiovascular Research Foundation at Moses Cone Hospital

Greensboro, North Carolina, United States

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Clinical Research of Winston-Salem

Winston-Salem, North Carolina, United States

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The Toledo Hospital

Toledo, Ohio, United States

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Medical University of Ohio

Toledo, Ohio, United States

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Northshore Clinical Associates

Erie, Pennsylvania, United States

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Westmoreland Neurology Associates, Inc.

Greensburg, Pennsylvania, United States

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Miriam Hospital

Providence, Rhode Island, United States

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Beaufort Memorial Hospital

Beaufort, South Carolina, United States

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Methodist University Hospital

Memphis, Tennessee, United States

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Brackenridge Hospital

Austin, Texas, United States

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Seton Medical Center

Austin, Texas, United States

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Methodist Hospital / Neurological Institute

Houston, Texas, United States

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University of Texas Health Sciences Center

San Antonio, Texas, United States

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Virginia Commonwealth University

Richmond, Virginia, United States

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Neurological Consultants of Virginia Beach

Virginia Beach, Virginia, United States

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Harborview Medical Center

Seattle, Washington, United States

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Madigan Army Medical Center

Tacoma, Washington, United States

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St. Lukes Medical Center

Milwaukee, Wisconsin, United States

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Medical College of Wisconsin

Milwaukee, Wisconsin, United States

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Gosford Hospital Department of Neurology

Gosford, New South Wales, Australia

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Flinders Medical Centre

Bedford Park, South Australia, Australia

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Box Hill Hospital

Box Hill, Victoria, Australia

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National Stroke Research Institute

Heidelberg Heights, Victoria, Australia

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Grey Nuns Community Hospital

Edmonton, Alberta, Canada

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Western Memorial Health Clinic

Corner Brook, Newfoundland and Labrador, Canada

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London Health Sciences Centre - University Hospital

London, Ontario, Canada

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Trillum Health Centre

Mississauga, Ontario, Canada

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Hospital Charles-Leymoyne

Greenfield Park, Quebec, Canada

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University of Alberta Hospital

Edmonton, , Canada

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Thunder Bay Regional Health Sciences Centre

Thunder Bay, , Canada

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St. Anne's Faculty Hospital

Brno, , Czechia

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Faculty Hospital 1, The Clinic of Neurology

Pilsen, , Czechia

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St. Anna Hospital

Geldrop, , Netherlands

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University Clinical Hospital

Warsaw, , Poland

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City Hospital #31

Moscow, , Russia

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Research Institute of Neurology RAMS

Moscow, , Russia

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Military Medical Akademy Dept of Neurology

Saint Petersburg, , Russia

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St. Augustine's Hospital

Berea, Durban, KwaZulu-Natal, South Africa

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Tiervlei Trial Centre

Cape Town, , South Africa

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Vergelegen Medi-Clinic

Somerset West, , South Africa

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Sunninghill Hospital

Sunninghill, , South Africa

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Changhua Christian Hospital, Chief Department of Neurology

Changhua, , Taiwan

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Lo-Tung Pohai Hospital, Department of Neurology

IIan, , Taiwan

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Chung-Ho Memorial Hospital Kaohsiung Medical University

Kaohsiung City, , Taiwan

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Kaohsiung Chang-Gung, Memorial Hospital

Kaohsiung City, , Taiwan

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Chung Shan Medical Hospital

Taichung, , Taiwan

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China Medical University Hospital

Taichung, , Taiwan

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Taichung Veterans General Hospital, Section of Neurology

Taichung, , Taiwan

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Kuang-Tien General Hospital

Taichung, , Taiwan

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Chi-Mei Medical Center

Tainan City, , Taiwan

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National Taiwan University Hospital

Taipei, , Taiwan

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Cathay General Hospital Department of Neurology

Taipei, , Taiwan

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Shin-Kong WHS Memorial Hospital

Taipei, , Taiwan

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Tri-Service General Hospital

Taipei, , Taiwan

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Far Eastern Memorial Hospital

Taipei, , Taiwan

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En Chu Kong Hospital

Taipei, , Taiwan

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Chang-Gung Memorial Hospital Linko Medical Center

Taoyuang, , Taiwan

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Chang-Gung Memorial Hospital, Linko Medical Center

Taoyuang, , Taiwan

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University of Aberdeen, Polwarth Building, Institute of Medical Sciences, Dept. of Medicine & Theropeutics

Aberdeen, , United Kingdom

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Institute of Neurological Sciences Southern General Hospital

Glasgow, , United Kingdom

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Royal Victoria Infirmary - Clinical Research Center

Newcastle, , United Kingdom

Site Status

Countries

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United States Australia Canada Czechia Netherlands Poland Russia South Africa Taiwan United Kingdom

Related Links

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Other Identifiers

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NTI-ASP-0502

Identifier Type: -

Identifier Source: org_study_id