The Celljuvant Study: A Phase 3 Immunogenicity and Safety Study of aQIVc Vaccine in Adults Aged 50 Years and Older

NCT ID: NCT06015282

Last Updated: 2025-04-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

7741 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-03

Study Completion Date

2025-01-30

Brief Summary

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This is a Phase 3, randomized, parallel-group, comparator-controlled, observer-blind, multicenter study of immunogenicity and safety in approximately 7700 male and female adults aged 50 years and older (approximately equally split between two age groups: 50-64 years; 65 years and older), who are healthy or have stable comorbidities that increase their risk of complications from influenza infection. Three lots of aQIVc will be evaluated for consistency and pooled for the comparison with the 2 control vaccines.

Subjects will be randomly assigned to receive 1 of 3 lots of aQIVc, QIVr, or aQIV in a 1:1:1:2:2 ratio (for a 3:2:2 ratio for aQIVc, QIVr, and aQIV).

The study will have a treatment period (Day 1 to Day 29) and a follow-up period (Day 30 up to Day 181); a subset of 770 subjects will be followed up up to Day 365.

Detailed Description

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Conditions

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Influenza, Human

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Investigational aQIVc group

Group Type EXPERIMENTAL

Investigational aQIVc

Intervention Type BIOLOGICAL

Investigational Adjuvanted Cell-derived Quadrivalent Influenza vaccine, containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO (World Health Organization) for quadrivalent vaccines for the respective season.

licensed QIVr group

Group Type ACTIVE_COMPARATOR

licensed QIVr

Intervention Type BIOLOGICAL

Recombinant Quadrivalent Influenza Vaccine (Flublok Quadrivalent/Supemtek) containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO for quadrivalent vaccines for the respective season.

licensed aQIV group

Group Type ACTIVE_COMPARATOR

licensed aQIV

Intervention Type BIOLOGICAL

Adjuvanted, egg-derived Quadrivalent Influenza Vaccine (Fluad) containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO for quadrivalent vaccines for the respective season.

Interventions

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Investigational aQIVc

Investigational Adjuvanted Cell-derived Quadrivalent Influenza vaccine, containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO (World Health Organization) for quadrivalent vaccines for the respective season.

Intervention Type BIOLOGICAL

licensed QIVr

Recombinant Quadrivalent Influenza Vaccine (Flublok Quadrivalent/Supemtek) containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO for quadrivalent vaccines for the respective season.

Intervention Type BIOLOGICAL

licensed aQIV

Adjuvanted, egg-derived Quadrivalent Influenza Vaccine (Fluad) containing four influenza virus strains (A/H1N1, A/H3N2, B/Yamagata and Victoria lineage) recommended by the WHO for quadrivalent vaccines for the respective season.

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Individuals, aged 50 years and older, who are healthy or have stable comorbidities that increase their risk of complications from influenza infection
* Individuals who can comply with all study procedures

Exclusion Criteria

* Progressive, unstable, or uncontrolled clinical conditions
* Known hypersensitivity or allergy to any study vaccine component
* Known history of Guillain-Barré syndrome or other demyelinating disease
* Condition representing a contraindication to vaccination or blood draw
* Abnormal function of immune system due to known disorder or medication.
* Influenza vaccination within 180 days prior to informed consent.
Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Seqirus

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Program Director

Role: STUDY_DIRECTOR

Seqirus

Locations

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Alliance for Multispecialty Research (AMR) Phoenix

Tempe, Arizona, United States

Site Status

Baptist Health Center for Clinical Research

Little Rock, Arkansas, United States

Site Status

Marvel Clinical Research

Huntington Beach, California, United States

Site Status

Paradigm Clinical Research Center, LLC

Redding, California, United States

Site Status

Clinical Research Consulting, Inc.

Milford, Connecticut, United States

Site Status

Chase Medical Research, LLC

Waterbury, Connecticut, United States

Site Status

Innovative Research of West Florida, Inc.

Clearwater, Florida, United States

Site Status

USA and International Research Inc.

Doral, Florida, United States

Site Status

Velocity Clinical Research, New Smyrna Beach

Edgewater, Florida, United States

Site Status

Health Awareness, Inc.

Jupiter, Florida, United States

Site Status

ARS - Lake Oconee

Largo, Florida, United States

Site Status

Global Health Research Center

Miami Lakes, Florida, United States

Site Status

Precision Clinical Research

Sunrise, Florida, United States

Site Status

Global Health Research center

Tampa, Florida, United States

Site Status

Velocity Clinical Research- Boise

Meridian, Idaho, United States

Site Status

Great Lakes Clinical Trials, LLC Ravenswood dba Flourish Research

Chicago, Illinois, United States

Site Status

Great Lakes Clinical Trials, LLC. Ravenswood dba Flourish Research

Gurnee, Illinois, United States

Site Status

Velocity Clinical Research Valparaoso

Valparaiso, Indiana, United States

Site Status

Velocity Clinical Research, Sioux City

Sioux City, Iowa, United States

Site Status

Velocity Clinical Research, Baton Rough

Baton Rouge, Louisiana, United States

Site Status

Benchmark Research

Metairie, Louisiana, United States

Site Status

IMA Evaluations LLC

Monroe, Louisiana, United States

Site Status

Centennial Medical Group, PC

Columbia, Maryland, United States

Site Status

Velocity Clinical Research Rockville

Rockville, Maryland, United States

Site Status

Velocity Clinical Research Gulfport

Gulfport, Mississippi, United States

Site Status

Alliance for Multispecialty Research, LLC

Kansas City, Missouri, United States

Site Status

Sundance Clinical Research

St Louis, Missouri, United States

Site Status

Velocity Clinical Research, Norfolk

Norfolk, Nebraska, United States

Site Status

Velocity Clinical Research, Omaha

Omaha, Nebraska, United States

Site Status

Alliance for Multispecialty Research (AMR) LLC, Las Vegas

Las Vegas, Nevada, United States

Site Status

Velocity Clinical Research, Binghamton

Binghamton, New York, United States

Site Status

Velocity Clinical Research, Syracuse

East Syracuse, New York, United States

Site Status

Velocity Clinical Research, Vestal

New York, New York, United States

Site Status

M3 Wake Research, Inc

Raleigh, North Carolina, United States

Site Status

CTI Clinical Research Center

Cincinnati, Ohio, United States

Site Status

Velocity Clinical Research Cincinnati

Cincinnati, Ohio, United States

Site Status

Velocity Clinical Research, Cleveland

Cleveland, Ohio, United States

Site Status

Velocity Clinical Research - Medford

Medford, Oregon, United States

Site Status

Velocity Clinical Research-Providence

East Greenwich, Rhode Island, United States

Site Status

Velocity Clinical Research, Gaffney

Gaffney, South Carolina, United States

Site Status

Velocity Clinical Research, Spartanburg

Spartanburg, South Carolina, United States

Site Status

AMR-Knoxville

Knoxville, Tennessee, United States

Site Status

Clinical Research Associates, Inc.

Nashville, Tennessee, United States

Site Status

Cedar Health Research, LLC

Dallas, Texas, United States

Site Status

Benchmark Research

Fort Worth, Texas, United States

Site Status

DM Clinical Research - Martin Diagnostic Clinic

Houston, Texas, United States

Site Status

ACRC trials Parent HQ

Plano, Texas, United States

Site Status

DM Clinical Research

Tomball, Texas, United States

Site Status

BBCR Holdings LLC dba JBR Clinical Research - Midvale Campus

Salt Lake City, Utah, United States

Site Status

Velocity Clinical Research, Salt Lake City

West Jordan, Utah, United States

Site Status

Velocity Clinical Research, Suffolk

Suffolk, Virginia, United States

Site Status

CARe Clinic

Red Deer, Alberta, Canada

Site Status

Amager-Hvidovre Hospital

Hvidovre, , Denmark

Site Status

Zealand University Hospital, Roskilde

Roskilde, , Denmark

Site Status

Vee Family Doctor's Center OY

Paide, , Estonia

Site Status

OÜ Innomedica

Tallinn, , Estonia

Site Status

Center for Clinical and Basic Research

Tallinn, , Estonia

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Al Mare Perearstikeskus OÜ

Tallinn, , Estonia

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Merelahe Family Doctors Centre

Tallinn, , Estonia

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Clinical Research Centre

Tartu, , Estonia

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Tartu University Hospital

Tartu, , Estonia

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Klinische Forschung Berlin-Mitte GmbH

Berlin, , Germany

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emovis GmbH

Berlin, , Germany

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Velocity Clinical Research, Berlin

Berlin, , Germany

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Klinische Forschung Dresden GmbH

Dresden, , Germany

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Klinisches Forschungszentrum Dr. Hagemann am Hausarztzentrum am Germaniaplatz Dr.Hagemann/ Breider

Essen, , Germany

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Studienzentrum Bocholderstrasse

Essen, , Germany

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UHZ Klinische Forschung

Essen, , Germany

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Klinische Forschung Hamburg GmbH

Hamburg, , Germany

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Velocity Clinical Research, Hamburg

Hamburg, , Germany

Site Status

Klinische Forschung Hannover-Mitte GmbH

Hanover, , Germany

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Klinische Forschung Karlsruhe GmbH

Karlsruhe, , Germany

Site Status

Velocity Clinical Research, Leipzig

Leipzig, , Germany

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Studienzentrum FMZ Radowsky

Leipzig, , Germany

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Research Quist

Mainz, , Germany

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Klinische Forschung Schwerin GmbH

Schwerin, , Germany

Site Status

Studienzentrum Leitz Triderm

Stuttgart, , Germany

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The Aga Khan University

Karachi, , Pakistan

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Central Park Teaching Hospital

Lahore, , Pakistan

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Silang Specialists Medical Center

Silang, Cavite, Philippines

Site Status

Davao Medical School Foundation Inc. Hospital / NEMESIO F. ANLOCOTAN III

Davao City, Davao Del Sur, Philippines

Site Status

Las Pinas Doctors Hospital

Las Piñas, Las Pinas City, Philippines

Site Status

Marilao Saint Michael Family Hospital, Inc

Bulacan, , Philippines

Site Status

CARE CT Group Inc. CARE Clinical Trials

Cavite, , Philippines

Site Status

Health Index Multispecialty and Lying in Clinic

Cavite, , Philippines

Site Status

Norzel Medical and Diagnostic Clinic

Cebu City, , Philippines

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Ospital ng Makati

City of Taguig, , Philippines

Site Status

West Visayas State University Medical Center

Iloilo City, , Philippines

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Manila Doctors Hospital

Manila, , Philippines

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Mary Johnston Hospital

Manila, , Philippines

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Quirino Memorial Medical Center

Quezon City, , Philippines

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Velocity High Wycombe

High Wycombe, , United Kingdom

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Velocity North London

London, , United Kingdom

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Panthera Biopartners Ltd (Preston)

Preston, , United Kingdom

Site Status

Panthera Biopartners Ltd (Manchester)

Rochdale, , United Kingdom

Site Status

Panthera Biopartners (Sheffield)

Sheffield, , United Kingdom

Site Status

Countries

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United States Canada Denmark Estonia Germany Pakistan Philippines United Kingdom

Other Identifiers

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V201_03

Identifier Type: -

Identifier Source: org_study_id

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