- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02545543
A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of Age
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
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Alabama
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Huntsville, Alabama, United States, 35802
- Site 296
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California
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Madera, California, United States, 93637
- Site 401
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Ontario, California, United States, 91762
- Site 397
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Redding, California, United States, 96001
- Site 392
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Sacramento, California, United States, 95822
- Site 402
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San Jose, California, United States, 95127
- Site 398
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Florida
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Hialeah, Florida, United States, 33012
- Site 388
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Melbourne, Florida, United States, 32934
- Site 293
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Idaho
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Boise, Idaho, United States, 83642
- Site 289
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Illinois
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Peoria, Illinois, United States, 61614
- Site 294
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Kansas
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Augusta, Kansas, United States, 67010
- Site 390
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Newton, Kansas, United States, 67114
- Site 396
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Park City, Kansas, United States, 67219
- Site 400
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Wichita, Kansas, United States, 67207
- Site 317
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Kentucky
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Bardstown, Kentucky, United States, 40004
- Site 386
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Louisiana
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Metairie, Louisiana, United States, 70002
- Site 393
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Missouri
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Saint Louis, Missouri, United States, 63141
- Site 287
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Nebraska
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Bellevue, Nebraska, United States, 68005
- Site 316
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Omaha, Nebraska, United States, 68114
- Site 382
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New York
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Binghamton, New York, United States, 13901
- Site 285
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North Carolina
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Cary, North Carolina, United States, 27511
- Site 387
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Ohio
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Cincinnati, Ohio, United States, 45246
- Site 385
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Cleveland, Ohio, United States, 44122
- Site 383
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Dayton, Ohio, United States, 45414
- Site 399
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Grove City, Ohio, United States, 43123
- Site 384
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Oregon
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Gresham, Oregon, United States, 97030
- Site 389
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Texas
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Austin, Texas, United States, 78705
- Site 283
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Fort Worth, Texas, United States, 76135
- Site 282
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San Angelo, Texas, United States, 76904
- Site 288
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San Antonio, Texas, United States, 78229
- Site 394
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Utah
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Layton, Utah, United States, 84041
- Site 395
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Salt Lake City, Utah, United States, 84124
- Site 300
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Males or females 5 through 17 years of age on the day of first study vaccination.
- Parent or legally acceptable representative able to provide written informed consent and be willing and able to adhere to all protocol requirements including blood draws. Participant assent will also be obtained if required.
- If applicable, females of childbearing potential (ie, ovulating, not surgically sterile) must be abstinent or be willing to use a medically accepted contraceptive regimen until at least 28 days after the last Study Vaccine. Females of childbearing potential must return a negative urine pregnancy test result, prior to any vaccination dose with the Study Vaccine.
Exclusion Criteria:
- History of allergic reactions to egg proteins or any components of the Study Vaccines.
- History of serious adverse reactions to any influenza vaccines.
- History of Guillain-Barré syndrome or other demyelinating disease.
- History of licensed or investigational influenza vaccination in the last 6 months.
- Clinical signs of active infection and/or an oral temperature of ≥ 100°F (37.8°C) on the day of planned Study Vaccine administration or within 48 hours preceding vaccination.
- Current or recent, acute or chronic medical conditions that in the opinion of the Investigator are clinically significant and/or unstable (such as illness exacerbations) within the preceding 30 days.
- History of any seizures, with the exception of a single febrile seizure.
- Self-reported or known seropositivity suggestive of acute or chronic viral infection for human immunodeficiency virus, hepatitis B or hepatitis C.
- Known or suspected congenital or acquired immunosuppressive conditions.
Current or recent immunosuppressive or immunomodulatory therapy, as follows:
- Chronic or long-term systemic corticosteroids: ≥ 0.125 mg/kg/day of oral prednisolone or equivalent daily;
- Sporadic systemic corticosteroids: ≥ 0.5 mg/kg/day of oral prednisolone or equivalent for two or more short courses of > 3 days in the 3 months preceding vaccination;
- Antineoplastic chemotherapy or radiation therapy within the 6 months preceding vaccination.
Note: Use of topical, inhalant or localised tissue injections of corticosteroids prior to administration of the Study Vaccine or throughout the study are acceptable.
- Administration of immunoglobulin and/or any blood products within the 3 months preceding vaccination, or planned administration during the study.
- Participation in a clinical trial or use of an investigational compound within 28 days prior to the first dose of Study Vaccine, or within 28 days after receiving the final indicated dose of Study Vaccine, or plans to enter a study during this period.
- Vaccination with a licensed vaccine 28 days (for live or inactivated vaccines) prior to receiving the first dose of Study Vaccine, or plans to receive any licensed vaccine prior to the Study Exit Visit.
- Pregnant or lactating females.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Seqirus Quadrivalent Inactivated Influenza Vaccine
The Seqirus study vaccine is a sterile, thimerosal-free suspension containing 60 mcg total hemagglutinin antigen per 0.5 mL dose (15 mcg each of the four recommended influenza strains for the Northern Hemisphere 2015/2016 influenza season).
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Seqirus QIV, inactivated, split-virion, thimerosal-free, quadrivalent influenza vaccine, administered as a 0.5 mL intramuscular dose. The vaccine is presented in a prefilled needleless syringe. The subject's age and influenza vaccination history determines the dosing regimen (a single vaccination or a 2-vaccination regimen administered 28 days apart) according to the most recent US ACIP guidelines for seasonal influenza vaccination. |
Active Comparator: Comparator Quadrivalent Influenza Vaccine
The comparator Quadrivalent Inactivated Influenza vaccine is a US-licensed product containing four recommended influenza strains for the Northern Hemisphere 2015/2016 influenza season.
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The US-licensed Comparator QIV, inactivated, split-virion, thimerosal-free, quadrivalent influenza vaccine, administered as a 0.5 mL intramuscular dose. The vaccine is presented in a prefilled needleless syringe. The subject's age and influenza vaccination history determines the dosing regimen (a single vaccination or a 2-vaccination regimen administered 28 days apart) according to the most recent US ACIP guidelines for seasonal influenza vaccination.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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The Geometric Mean Titer (GMT) Ratio of Each Virus Strain.
Time Frame: 28 days after last vaccination.
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Noninferiority of Seqirus QIV compared to comparator QIV was assessed by the eight co-primary endpoints of hemagglutination inhibition (HI) antibody geometric mean titer (GMT) and seroconversion rate (SCR) for each viral strain included in the vaccines.
The GMT ratio is defined as the geometric mean of the postvaccination HI titer for the US-licensed comparator QIV over the geometric mean of the postvaccination HI titer for Seqirus QIV.
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28 days after last vaccination.
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The Difference in Seroconversion Rate (SCR) for Each Virus Strain.
Time Frame: 28 days after last vaccination.
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Noninferiority of Seqirus QIV compared to Comparator QIV was assessed by the eight co-primary endpoints of HI geometric mean titer (GMT) and seroconversion rate (SCR) for each viral strain.
The rate of SCR is defined as the percentage of subjects with either a prevaccination HI titer < 1:10 and a postvaccination HI titer ≥ 1:40, or a prevaccination HI titer ≥ 1:10 and a ≥ 4-fold increase in postvaccination HI titer.
For the SCR comparison, the difference between the SCR for each virus strain will be determined.
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28 days after last vaccination.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Safety Endpoint: The Frequency and Severity of Solicited Local Adverse Reactions.
Time Frame: 7 days after each vaccination.
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Frequency and severity of solicited local adverse reactions (AEs) for 7 days (ie, day of vaccination and 6 subsequent days) after each vaccination dose
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7 days after each vaccination.
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Safety Endpoint: The Frequency and Severity of Solicited Systemic Adverse Events (AEs).
Time Frame: 7 days after each vaccination.
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Frequency and severity of solicited systemic adverse events (AEs) for 7 days (ie, day of vaccination and 6 subsequent days) after each vaccination dose
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7 days after each vaccination.
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Safety Endpoint: The Frequency of Cellulitis-like Reaction.
Time Frame: 28 days after each vaccination.
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Frequency of cellulitis-like reaction for at least 28 days after each vaccination dose
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28 days after each vaccination.
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Safety Endpoint: The Frequency and Severity of Unsolicited Adverse Events (AEs).
Time Frame: 28 days after each vaccination.
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Frequency and severity of unsolicited AEs for at least 28 days (ie, day of vaccination and 27 subsequent days) after each vaccination dose
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28 days after each vaccination.
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Safety Endpoint: The Frequency of Serious Adverse Events (SAEs).
Time Frame: 180 days after the last vaccination dose.
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Frequency of serious adverse events (SAEs) for 180 days after the last vaccination dose.
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180 days after the last vaccination dose.
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Immunogenicity Endpoint: GMTs - Geometric Mean of HI Titers Prevaccination (Day 1) and Postvaccination (Study Exit Visit)
Time Frame: 28 days after last vaccination.
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The humoral immune response was assessed for Seqirus QIV & comparator QIV. Serum HI titers against the 4 influenza vaccine strains was used to calculate: - Geometric mean of HI titers prevaccination & postvaccination |
28 days after last vaccination.
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Immunogenicity Endpoint: Seroconversion Rate (SCR)
Time Frame: 28 days after last vaccination.
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The humoral immune response was assessed for Seqirus QIV & comparator QIV. Serum HI titers against the 4 influenza vaccine strains was used to calculate: - SCRs: % of subjects with either a prevaccination HI titer < 1:10 and a postvaccination HI titer ≥ 1:40 or a prevaccination titer ≥ 1:10 and a ≥ 4-fold increase in postvaccination titer |
28 days after last vaccination.
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Immunogenicity Endpoint: Seroprotection Rate
Time Frame: 28 days after last vaccination.
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The humoral immune response was assessed for Seqirus QIV & comparator QIV. Serum HI titers against the 4 influenza vaccine strains was used to calculate: - The % of subjects with a titer ≥40 (seroprotection rates) at Day 1 and at Exit Visit |
28 days after last vaccination.
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Immunogenicity Endpoint: Geometric Mean Fold Increase (GMFI)
Time Frame: 28 days after last vaccination.
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The humoral immune response was assessed for Seqirus QIV & comparator QIV. Serum HI titers against the 4 influenza vaccine strains was used to calculate: - Geometric mean fold increase (GMFI): geometric mean fold titer rise from Day 1 to Exit Visit |
28 days after last vaccination.
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Clinical Development Physician Seqirus, Seqirus
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CSLCT-QIV-13-02
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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