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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 Oct 18, 2026, 6:20 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 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

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 2016/2017 Quadrivalent Influenza Vaccine (comparator QIV) in a healthy 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

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 27, 2016 (Actual)
Primary completion
Mar 9, 2017 (Actual)
Completion
Aug 11, 2017 (Actual)
Last update posted
Jan 23, 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 23, 2019 · Synced Oct 18, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02914275 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →