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Completed Phase 2Phase 3 Interventional Results available

A Study to Evaluate the Safety of MEDI8897 for the Prevention of Medically Attended Respiratory Syncytial Virus(RSV) Lower Respiratory Track Infection (LRTI) in High-risk Children

ClinicalTrials.gov ID: NCT03959488

Public ClinicalTrials.gov record NCT03959488. 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 Jul 21, 2026, 9:46 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 Phase 2/3 Randomized, Double-blind, Palivizumab-controlled Study to Evaluate the Safety of MEDI8897, a Monoclonal Antibody With an Extended Half-life Against Respiratory Syncytial Virus, in High-risk Children (MEDLEY)

Study identification

NCT ID
NCT03959488
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
925 participants

Conditions and interventions

Interventions

  • MEDI8897 Drug
  • Palivizumab Drug

Drug

Eligibility (public fields only)

Age range
0 Years to 1 Year
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
Jul 29, 2019
Primary completion
May 2, 2021
Completion
Jan 19, 2023
Last update posted
Sep 20, 2023

2019 – 2023

United States locations

U.S. sites
30
U.S. states
19
U.S. cities
30
Facility City State ZIP Site status
Research Site Anaheim California 92804
Research Site Long Beach California 90806
Research Site Los Angeles California 90027
Research Site National City California 91950
Research Site Paramount California 90723
Research Site West Covina California 91790
Research Site Aurora Colorado 80045
Research Site Colorado Springs Colorado 80922
Research Site Washington D.C. District of Columbia 20016
Research Site Atlanta Georgia 30322
Research Site Chicago Illinois 60611
Research Site Indianapolis Indiana 46202
Research Site South Bend Indiana 46617
Research Site West Des Moines Iowa 50266
Research Site Louisville Kentucky 40202
Research Site Jackson Mississippi 39216
Research Site Columbia Missouri 65201
Research Site Mineola New York 11501
Research Site Syracuse New York 13210
Research Site Durham North Carolina 27710
Research Site Greenville North Carolina 27834
Research Site Cincinnati Ohio 45229
Research Site Columbus Ohio 43205
Research Site Greenville South Carolina 29607
Research Site Corpus Christi Texas 78411
Research Site Layton Utah 84041
Research Site St. George Utah 84790
Research Site Charlottesville Virginia 22902
Research Site Seattle Washington 98105
Research Site Morgantown West Virginia 26506

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 98 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03959488, 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 Sep 20, 2023 · Synced Jul 21, 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 protocol, eligibility criteria, and contact information for NCT03959488 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →