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Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of Age

ClinicalTrials.gov ID: NCT02545543

Public ClinicalTrials.gov record NCT02545543. 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 Sep 1, 2026, 10:21 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 Phase 3, Randomized, Multicenter, Observer-Blinded, Noninferiority Study to Evaluate the Immunogenicity and Safety of a Seqirus Quadrivalent Inactivated Influenza Virus Vaccine (Seqirus QIV) With a US-Licensed 2015-2016 Quadrivalent Inactivated Comparator Influenza Vaccine (Comparator QIV) in a Pediatric Population 5 Through 17 Years of Age

Brief summary

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

This is a study to assess the immune (antibody) response and safety of a Seqirus split virion, inactivated Quadrivalent Influenza Vaccine (Seqirus QIV), in comparison with a US licensed 2015/2016 Quadrivalent Influenza Vaccine (comparator QIV) in a healthy pediatric population 5 through 17 years of age.

Study identification

NCT ID
NCT02545543
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Seqirus
Industry
Enrollment
2,278 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
5 Years to 17 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Aug 31, 2015
Primary completion
Dec 31, 2015
Completion
May 31, 2016
Last update posted
May 22, 2018

2015 – 2016

United States locations

U.S. sites
32
U.S. states
16
U.S. cities
32
Facility City State ZIP Site status
Site 296 Huntsville Alabama 35802
Site 401 Madera California 93637
Site 397 Ontario California 91762
Site 392 Redding California 96001
Site 402 Sacramento California 95822
Site 398 San Jose California 95127
Site 388 Hialeah Florida 33012
Site 293 Melbourne Florida 32934
Site 289 Boise Idaho 83642
Site 294 Peoria Illinois 61614
Site 390 Augusta Kansas 67010
Site 396 Newton Kansas 67114
Site 400 Park City Kansas 67219
Site 317 Wichita Kansas 67207
Site 386 Bardstown Kentucky 40004
Site 393 Metairie Louisiana 70002
Site 287 St Louis Missouri 63141
Site 316 Bellevue Nebraska 68005
Site 382 Omaha Nebraska 68114
Site 285 Binghamton New York 13901
Site 387 Cary North Carolina 27511
Site 385 Cincinnati Ohio 45246
Site 383 Cleveland Ohio 44122
Site 399 Dayton Ohio 45414
Site 384 Grove City Ohio 43123
Site 389 Gresham Oregon 97030
Site 283 Austin Texas 78705
Site 282 Fort Worth Texas 76135
Site 288 San Angelo Texas 76904
Site 394 San Antonio Texas 78229
Site 395 Layton Utah 84041
Site 300 Salt Lake City Utah 84124

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02545543, 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 May 22, 2018 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02545543 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →