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Open-Label C1 Esterase Inhibitor (C1INH-nf) for the Prevention of Acute Hereditary Angioedema (HAE) Attacks

Phase 3
Completed
Conditions
Hereditary Angioedema
Interventions
Biological: C1 esterase inhibitor [human] (C1INH-nf)
Registration Number
NCT00462709
Lead Sponsor
Shire
Brief Summary

The study objective was to evaluate the safety and efficacy of prophylactic use of C1INH-nf for the prevention of acute HAE attacks.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
146
Inclusion Criteria
  • History of at least 1 HAE attack per month or any history of laryngeal edema

In addition, this study was open to all subjects who:

  • Completed participation in LEVP2005-1/B (NCT01005888) any time after the final prophylactic therapy in Part B

  • Were enrolled but not randomized in LEVP2005-1/A (NCT00289211) after Part A was closed

  • Were enrolled and randomized in LEVP2005-1/A after LEVP2005-1/B was closed to enrollment, any time after the 3-day telephone follow-up

  • Were excluded from LEVP2005-1 for any of the following reasons:

    • Pregnancy or lactation
    • Age less than 6 years
    • Narcotic addiction
    • Presence of anti-C1 inhibitor (C1INH) autoantibodies
  • Were not enrolled in LEVP2005-1 after enrollment in LEVP2005-1 was closed, under the following circumstances:

    • Had a diagnosis of HAE: evidence of a low C4 level plus either a low C1INH antigenic level or a low C1INH functional level, or
    • Had a known HAE-causing C1INH mutation, or
    • Had a diagnosis of HAE based on a strong family history of HAE as determined by the principal investigator
Exclusion Criteria
  • History of allergic reaction to C1INH or other blood products
  • Participated in any other investigational drug study within the past 30 days other than those sponsored by Lev Pharmaceuticals
  • Received blood or a blood product in the past 60 days other than C1INH-nf

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Open-label C1INH-nfC1 esterase inhibitor [human] (C1INH-nf)1,000 Units (U) of C1INH-nf administered intravenously (IV) every 3 to 7 days.
Primary Outcome Measures
NameTimeMethod
Frequency of All HAE AttacksDuration of the study

A hereditary angioedema (HAE) attack was defined as a discrete episode during which the subject progressed from no angioedema to symptoms of angioedema.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (46)

UCLA-David Geffen School of Medicine

🇺🇸

Los Angeles, California, United States

University Consultants in Allergy & Immunology

🇺🇸

Chicago, Illinois, United States

Massachusetts General Hospital

🇺🇸

Boston, Massachusetts, United States

Family Allergy and Asthma Center

🇺🇸

Atlanta, Georgia, United States

Grand Traverse Allergy

🇺🇸

Traverse City, Michigan, United States

Nationwide Childrens Hospital Clinical Research

🇺🇸

Columbus, Ohio, United States

AARA Research Center

🇺🇸

Dallas, Texas, United States

Allergy and Immunology Associates

🇺🇸

Scottsdale, Arizona, United States

Allergy and Asthma Center of East Orlando

🇺🇸

Orlando, Florida, United States

Allergy and Asthma Clinic of Northwest Arkansas

🇺🇸

Bentonville, Arkansas, United States

Cleveland Clinic

🇺🇸

Weston, Florida, United States

University of California, San Diego

🇺🇸

San Diego, California, United States

Allergy and Asthma Research Center

🇺🇸

San Antonio, Texas, United States

MeritCare Clinical Research

🇺🇸

Fargo, North Dakota, United States

Legacy Pharma Research

🇺🇸

Bismarck, North Dakota, United States

Olathe Medical Center

🇺🇸

Olathe, Kansas, United States

University of Mississippi Medical Center

🇺🇸

Jackson, Mississippi, United States

Clinical Research Consultants, Inc

🇺🇸

Hoover, Alabama, United States

Allergy and Asthma Clinical Research, Inc

🇺🇸

Walnut Creek, California, United States

Allergy and Asthma Center

🇺🇸

Fort Lauderdale, Florida, United States

Allergy and Asthma Associates of Santa Clara

🇺🇸

San Jose, California, United States

Welborn Clinic

🇺🇸

Evansville, Indiana, United States

Atlanta Allergy and Asthma Clinic

🇺🇸

Suwanee, Georgia, United States

Asthma Allergy and Sinus Center

🇺🇸

Waldorf, Maryland, United States

Institute for Asthma and Allergy

🇺🇸

Wheaton, Maryland, United States

Graves-Gilbert Clinic

🇺🇸

Bowling Green, Kentucky, United States

Family Asthma and Allergy Research Center

🇺🇸

Louisville, Kentucky, United States

Private Practice

🇺🇸

Hastings-on-Hudson, New York, United States

St. Louis University School of Medicine

🇺🇸

Saint Louis, Missouri, United States

Nevada Access to Research and Education Society

🇺🇸

Las Vegas, Nevada, United States

UMDNJ Asthma and Allergy Research Center

🇺🇸

Newark, New Jersey, United States

Mount Sinai School of Medicine

🇺🇸

New York, New York, United States

Allergy Partners of East Carolina

🇺🇸

Greenville, North Carolina, United States

Winthrop University Hospital

🇺🇸

Mineola, New York, United States

Allergy Clinic of Tulsa

🇺🇸

Tulsa, Oklahoma, United States

Penn State University

🇺🇸

Hershey, Pennsylvania, United States

Oregon Medical Group

🇺🇸

Eugene, Oregon, United States

Allergy Asthma and Dermatology Research Center

🇺🇸

Lake Oswego, Oregon, United States

University of Texas Medical Branch

🇺🇸

Galveston, Texas, United States

University of Texas - Pediatric Pulmonary/Allergy and Immunology

🇺🇸

Houston, Texas, United States

Virginia Adult and Pediatric Allergy and Asthma

🇺🇸

Richmond, Virginia, United States

Tyler County Hospital

🇺🇸

Woodville, Texas, United States

Puget Sound Allergy, Asthma and Immunology

🇺🇸

Tacoma, Washington, United States

St. Joseph's Hospital/Cornerstone Healthcare

🇺🇸

Parkersburg, West Virginia, United States

Marycliff Allergy Specialists

🇺🇸

Spokane, Washington, United States

Montefiore Medical Center

🇺🇸

Bronx, New York, United States

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