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Completed No phase listed Observational

A Study of Lanadelumab in Persons With Hereditary Angioedema (HAE) Type I or II in North America

ClinicalTrials.gov ID: NCT03845400

Public ClinicalTrials.gov record NCT03845400. 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 Nov 6, 2026, 8:49 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Observational, Non-interventional, Study of Patients With Hereditary Angioedema in the United States and Canada (EMPOWER Study)

Brief summary

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

The main aim of this study is to compare the HAE attack rate before and after lanadelumab treatment was started in persons with Hereditary Angioedeme Type I or II. Data from participants will be collected for at least 24 months. Participants will report information in a smartphone application at study start and then every 3 months until the study ends; data will also be collected by the study doctor during routine clinic visits.

Study identification

NCT ID
NCT03845400
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Shire
Industry
Enrollment
168 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
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
Mar 30, 2019 (Actual)
Primary completion
Oct 22, 2022 (Actual)
Completion
Oct 22, 2022 (Actual)
Last update posted
Mar 30, 2023

2019 – 2022

United States locations

U.S. sites
23
U.S. states
20
U.S. cities
23
Facility City State ZIP Site status
Clinical Research Center of Alabama Birmingham Alabama 35209 —
Medical Research of Arizona Scottsdale Arizona 85248 —
University of California San Diego San Diego California 92122 —
AIRE Medical of Los Angeles Santa Monica California 90404 —
Asthma and Allergy Associates, PC Colorado Springs Colorado 80907 —
Yale University School of Medicine New Haven Connecticut 06519 —
University of South Florida Asthma, Allergy & Immunology Tampa Florida 33613 —
University of Kansas Medical Center Research Institute, Inc. Kansas City Kansas 66160 —
Institute for Asthma & Allergy - Chevy Chase Chevy Chase Maryland 20815 —
Massachusetts General Hospital Boston Massachusetts 02114-2752 —
University of Michigan Ann Arbor Michigan 48106 —
Mid West Immunology Clinic Plymouth Minnesota 55446 —
Washington University St Louis Missouri 63141 —
Riverside Medical Group, Belleville Belleville New Jersey 07109 —
Jay M Kashkin, MD Allergy, Asthma and Immunology Fair Lawn New Jersey 07410 —
Mount Sinai New York New York 10029 —
Clinical Research of Charlotte Charlotte North Carolina 28277 —
Duke Asthma, Allergy & Airway Center Durham North Carolina 27704 —
Bernstein Clinical Research Center, LLC Cincinnati Ohio 45231 —
Portland Clinical Research/AAIM Care Happy Valley Oregon 97086 —
Penn State Hershey Medical Center Hershey Pennsylvania 17033 —
AARA Research Center Dallas Texas 75231 —
Seattle Allergy & Asthma Research Institute Seattle Washington 98115 —

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 6 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03845400, 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 Mar 30, 2023 · Synced Nov 6, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03845400 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →