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Completed Phase 3 Interventional Results available

Study to Evaluate Tezepelumab in Adults & Adolescents With Severe Uncontrolled Asthma

ClinicalTrials.gov ID: NCT03347279

Public ClinicalTrials.gov record NCT03347279. 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 May 6, 2026, 8:47 AM EDT

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

Official title

A Multicentre, Randomized, Double-Blind, Placebo Controlled, Parallel Group, Phase 3 Study to Evaluate the Efficacy and Safety of Tezepelumab in Adults and Adolescents With Severe Uncontrolled Asthma (NAVIGATOR)

Study identification

NCT ID
NCT03347279
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
1,061 participants

Conditions and interventions

Conditions

Interventions

  • Experimental: Tezepelumab Biological
  • Placebo Other

Biological · Other

Eligibility (public fields only)

Age range
12 Years to 80 Years
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
Nov 22, 2017
Primary completion
Sep 7, 2020
Completion
Nov 11, 2020
Last update posted
Nov 25, 2021

2017 – 2020

United States locations

U.S. sites
95
U.S. states
29
U.S. cities
82
Facility City State ZIP Site status
Research Site Dothan Alabama 36303
Research Site Foley Alabama 36535
Research Site Gilbert Arizona 85234
Research Site Tucson Arizona 85724
Research Site Bakersfield California 93301
Research Site Encinitas California 92024
Research Site Huntington Beach California 92647
Research Site Long Beach California 90808
Research Site Los Angeles California 90025
Research Site Mission Viejo California 92691
Research Site Newport Beach California 92663
Research Site Northridge California 91324
Research Site Palm Desert California 92260
Research Site Rolling Hills Estates California 90274
Research Site Walnut Creek California 94598
Research Site Westminster California 92683
Research Site Denver Colorado 80206
Research Site New Haven Connecticut 06520
Research Site Celebration Florida 34747
Research Site Kissimmee Florida 34741
Research Site Kissimmee Florida 34744
Research Site Orlando Florida 32803
Research Site Orlando Florida 32825
Research Site Panama City Florida 32405
Research Site Port Charlotte Florida 33952
Research Site Sarasota Florida 34239
Research Site Sebring Florida 33870
Research Site St. Petersburg Florida 33704
Research Site St. Petersburg Florida 33710
Research Site St. Petersburg Florida 33713
Research Site Tampa Florida 33607
Research Site Winter Park Florida 32789
Research Site Fayetteville Georgia 30214
Research Site Gainesville Georgia 30501
Research Site Savannah Georgia 31406
Research Site Stockbridge Georgia 30281
Research Site Boise Idaho 83706
Research Site Michigan City Indiana 46360
Research Site Fort Mitchell Kentucky 41017
Research Site Louisville Kentucky 40215
Research Site Lake Charles Louisiana 70601
Research Site Zachary Louisiana 70791
Research Site White Marsh Maryland 21162
Research Site Boston Massachusetts 02115
Research Site Fall River Massachusetts 02721
Research Site Ann Arbor Michigan 48109
Research Site Flint Michigan 48504
Research Site Novi Michigan 48375
Research Site Port Huron Michigan 48060
Research Site Troy Michigan 48085
Research Site St Louis Missouri 63108
Research Site St Louis Missouri 63141
Research Site Lincoln Nebraska 68505
Research Site Las Vegas Nevada 89106
Research Site Las Vegas Nevada 89119
Research Site Northfield New Jersey 08225
Research Site Toms River New Jersey 08755
Research Site Brooklyn New York 11235
Research Site New York New York 10016
Research Site New York New York 10022
Research Site New York New York 10029
Research Site New York New York 10032
Research Site The Bronx New York 10459
Research Site The Bronx New York 10465
Research Site Valhalla New York 10595
Research Site Charlotte North Carolina 28277
Research Site Gastonia North Carolina 28054
Research Site Winston-Salem North Carolina 27104
Research Site Cincinnati Ohio 45229
Research Site Cincinnati Ohio 45231
Research Site Mayfield Heights Ohio 44124
Research Site Toledo Ohio 43608
Research Site Edmond Oklahoma 73034
Research Site Oklahoma City Oklahoma 73120
Research Site Tulsa Oklahoma 74136
Research Site Medford Oregon 97504
Research Site Pittsburgh Pennsylvania 15243
Research Site Warwick Rhode Island 02886
Research Site Anderson South Carolina 29621
Research Site Columbia South Carolina 29204
Research Site Greenville South Carolina 29607
Research Site Allen Texas 75013
Research Site Amarillo Texas 79106
Research Site Boerne Texas 78006
Research Site Dallas Texas 75225
Research Site Dallas Texas 75230
Research Site Lampasas Texas 76550
Research Site McAllen Texas 78504
Research Site Plano Texas 75093
Research Site San Antonio Texas 78251
Research Site Manassas Virginia 20110
Research Site Richmond Virginia 23220
Research Site Richmond Virginia 23235
Research Site Cudahy Wisconsin 53110
Research Site Madison Wisconsin 53792

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 194 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03347279, 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 Nov 25, 2021 · Synced May 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03347279 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →