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Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Repeated Doses of DX-88 (Ecallantide) to Treat Attacks of Hereditary Angioedema (HAE)

ClinicalTrials.gov ID: NCT00456508

Public ClinicalTrials.gov record NCT00456508. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Open-label Patient Continuation of DX-88 (Ecallantide) for Acute Hereditary Angioedema Attacks

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the efficacy and safety of repeated doses of ecallantide in the treatment of acute attacks of hereditary angioedema and to allow HAE patients continued access to ecallantide. In addition, patients enrolled in DX-88/20 (EDEMA4) trial will be followed up and treated for subsequent attacks in this trial.

Study identification

NCT ID
NCT00456508
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Shire
Industry
Enrollment
147 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
10 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 1, 2007 (Actual)
Primary completion
Jun 1, 2010 (Actual)
Completion
Sep 1, 2010 (Actual)
Last update posted
Jun 8, 2021

2007 – 2010

United States locations

U.S. sites
39
U.S. states
26
U.S. cities
38
Facility City State ZIP Site status
Aaron Davis Scottsdale Arizona 85251 —
Arkansas Children's Hospital Little Rock Arkansas 72202 —
Little Rock Allergy & Asthma Clinic Little Rock Arkansas 72205 —
Alta Bates Summit Comprehensive Cancer Center Berkeley California 94704 —
Pacific Coast Allergy Crescent City California 95531 —
Jacob Offenberger Granada Hills California 91344 —
UCLA David Geffen School of Medicine, Department of Medicine Los Angeles California 90095-1680 —
Asthma and Allergy Associates, P.C. Colorado Springs Colorado 80907 —
Christiana Hospital, Christiana Care Health Services Newark Delaware 19718 —
Georgetown University Medical Center, Georgetown University Hospital Washington D.C. District of Columbia 20007 —
University of Miami, General Clinical Research Center Miami Florida 33136 —
University of South Florida, Asthma, Allergy and Immunology Clinical Research Unit Tampa Florida 33613 —
Roberson Allergy and Asthma West Palm Beach Florida 33401 —
Family Allergy & Asthma Center, PC Atlanta Georgia 30342 —
Allergy Center of Brookstone Columbus Georgia 31904 —
University Consultants in Allergy and Immunology Chicago Illinois 60612 —
Muncie Allergy Center Muncie Indiana 47304 —
Kansas City Allergy & Asthma Overland Park Kansas 66210 —
Institute for Asthma and Allergy Wheaton Maryland 20902 —
Brigham and Women's Hospital Chestnut Hill Massachusetts 02467 —
Asthma and Allergy Institutes of Michigan Clinton Township Michigan 48038 —
Respiratory Medicine Research Institute of Michigan, PLC Ypsilanti Michigan 48197 —
Nevada Access to Research and Education Society Las Vegas Nevada 89102 —
University of Nevada School of Medicine Reno Nevada 89503 —
UMDNJ- New Jersey Medical School Newark New Jersey 07103 —
Allergy Partners of Albuquerque Albuquerque New Mexico 87109 —
Winthrop University Hospital Mineola New York 11501 —
Allergy Partners of Western North Carolina Asheville North Carolina 28801 —
University of Cincinnati, Division of Internal Medicine Cincinnati Ohio 45267 —
Optimed Research, LLC Columbus Ohio 43235 —
Penn State Milton S Hershey Medical Center Hershey Pennsylvania 17033 —
Asthma Allergy and Pulmonary Associates Philadelphia Pennsylvania 19107 —
Children's Hospital of Pittsburgh Pittsburgh Pennsylvania 15213 —
Highlands Allergy and Asthma Center, PC Bristol Tennessee 37620 —
The Paull Allergy and Asthma Clinic, P.A Bryan Texas 77802 —
AARA Research Center Dallas Texas 75231 —
University of Utah Health Sciences Center Salt Lake City Utah 84132-2409 —
Clinical Research Associates of Tidewater Norfolk Virginia 23507 —
Puget Sound Allergy, Asthma, & Immunology Tacoma Washington 98405 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00456508, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 8, 2021 · Synced Oct 23, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00456508 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →