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Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adults With Oral Corticosteroid Dependent Asthma

ClinicalTrials.gov ID: NCT03406078

Public ClinicalTrials.gov record NCT03406078. 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, 2:04 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

A Multicentre, Randomized, Double-Blind, Placebo Controlled, Phase 3 Study to Evaluate the Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adults With Oral Corticosteroid Dependent Asthma (SOURCE)

Brief summary

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

Phase 3 Study to Evaluate the Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adults with Oral Corticosteroid Dependent Asthma

Study identification

NCT ID
NCT03406078
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
150 participants

Conditions and interventions

Conditions

Interventions

Biological · Other

Eligibility (public fields only)

Age range
18 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
Mar 5, 2018 (Actual)
Primary completion
Sep 25, 2020 (Actual)
Completion
Sep 25, 2020 (Actual)
Last update posted
Dec 9, 2021

2018 – 2020

United States locations

U.S. sites
21
U.S. states
13
U.S. cities
20
Facility City State ZIP Site status
Research Site Bakersfield California 93301 —
Research Site Newark Delaware 19713 —
Research Site Kissimmee Florida 34741 —
Research Site Kissimmee Florida 34746 —
Research Site Fall River Massachusetts 02721 —
Research Site Ann Arbor Michigan 48109 —
Research Site St Louis Missouri 63141 —
Research Site The Bronx New York 10461 —
Research Site Durham North Carolina 27705 —
Research Site Greenville North Carolina 27834 —
Research Site Cincinnati Ohio 45231 —
Research Site Cleveland Ohio 44130 —
Research Site Toledo Ohio 43617 —
Research Site Oklahoma City Oklahoma 73109 —
Research Site Altoona Pennsylvania 16602 —
Research Site Homestead Pennsylvania 15120 —
Research Site Philadelphia Pennsylvania 19140 —
Research Site Anderson South Carolina 29621 —
Research Site North Charleston South Carolina 29406 —
Research Site McKinney Texas 75069 —
Research Site San Antonio Texas 78251 —

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 39 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03406078, 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 Dec 9, 2021 · Synced Oct 23, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03406078 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →