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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 6 Months Through 59 Months of Age.

ClinicalTrials.gov ID: NCT02914275

Public ClinicalTrials.gov record NCT02914275. 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 Jun 26, 2026, 3:58 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 Quadrivalent Inactivated Influenza Virus Vaccine (Seqirus QIV) With a US-licensed Quadrivalent Inactivated Comparator Influenza Virus Vaccine (Comparator QIV) in a Pediatric Population 6 Months Through 59 Months of Age

Study identification

NCT ID
NCT02914275
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Seqirus
Industry
Enrollment
2,250 participants

Conditions and interventions

Interventions

  • Seqirus Quadrivalent Inactivated Influenza Vaccine Biological
  • Comparator Quadrivalent Inactivated Influenza Vaccine Biological

Biological

Eligibility (public fields only)

Age range
6 Months to 59 Months
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
Sep 26, 2016
Primary completion
Mar 8, 2017
Completion
Aug 10, 2017
Last update posted
Jan 22, 2019

2016 – 2017

United States locations

U.S. sites
39
U.S. states
15
U.S. cities
30
Facility City State ZIP Site status
Site 434 Birmingham Alabama 35205
Site 442 Mobile Alabama 36608
Site 430 Anaheim California 92804
Site 437 Anaheim California 92804
Site 423 Downey California 90241
Site 397 Ontario California 91762
Site 445 Paramount California 90723
Site 402 Sacramento California 95822
Site 425 San Diego California 92103
Site 418 Miami Florida 33175
Site 426 Miami Florida 33176
Site 289 Meridian Idaho 83642
Site 390 Augusta Kansas 67010
Site 421 Newton Kansas 67114
Site 422 Wichita Kansas 67205
Site 443 Louisville Kentucky 40202
Site 420 Louisville Kentucky 40291
Site 441 Louisville Kentucky 40291
Site 393 Metairie Louisiana 70002
Site 436 Metairie Louisiana 70006
Site 285 Binghamton New York 13901
Site 429 Asheboro North Carolina 27203
Site 446 Cincinnati Ohio 45229
Site 427 Dayton Ohio 45419
Site 419 Charleston South Carolina 29407
Site 439 Spartanburg South Carolina 29303
Site 308 Bristol Tennessee 37620
Site 444 Kingsport Tennessee 37660
Site 283 Austin Texas 78705
Site 282 Fort Worth Texas 76135
Site 288 San Angelo Texas 76904
Site 395 Layton Utah 84041
Site 431 Salt Lake City Utah 84109
Site 424 Salt Lake City Utah 84121
Site 428 Salt Lake City Utah 84124
Site 440 West Jordan Utah 84084
Site 433 West Jordan Utah 84088
Site 435 West Jordan Utah 84088
Site 438 Charlottesville Virginia 22902

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 NCT02914275, 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 Jan 22, 2019 · Synced Jun 26, 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 NCT02914275 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →