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CAIV-T, Liquid

Phase 3

Influenza | Monoclonal antibody | Infectious Disease |AstraZeneca PLC|Last Updated: Sep 13, 2021

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials10
Total Enrollment9,986
FDA Designations
No designations recorded
Clinical Trials (10)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00192426Trial to Evaluate the Immune Response to OPV When Administered Concomitantly With CAIV-T to Healthy Children.PHASE3 COMPLETED 2,400Sep 1, 2001Dec 1, 2001Oct 3, 2006 -
NCT00192231Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine,(CAIV-T)PHASE3 COMPLETED 120Apr 1, 2001Jun 1, 2001Sep 13, 20211 Australia
NCT00217230Trial To Assess Safety And Efficacy Of Influenza Virus Vaccine, Trivalent, Types A & B, Live Cold-Adapted (CAIV-T) In Adults Aged 60 Years And OlderPHASE3 COMPLETED 3,000Apr 1, 2001Nov 1, 2001Oct 3, 20061 South Africa
NCT00192192Trial to Investigate Immune Responses Elicited by a Liquid Formulation of Influenza Virus Vaccine, Trivalent, Types A & B, Live Cold Adapted (CAIV-T) in Healthy AdultsPHASE3 COMPLETED 20Nov 1, 2000Dec 1, 2000Sep 13, 20211 United States
NCT00192283Trial to Determine the Safety and Efficacy of Influenza Virus Vaccine, Trivalent, Types A & B, Live Cold- Adapted (CAIV-T) in Healthy Children Attending Day Care CentersPHASE3 COMPLETED 2,903Sep 1, 2000May 1, 2002Apr 10, 20091 Finland
NCT00192361Trial of the Safety, Transmissibility, and Phenotypic and Genotypic Stability of Influenza Virus Vaccine,(CAIV-T), in Children Who Attend Day Care. (Final Report Version 2.0)PHASE3 COMPLETED 200Nov 1, 1999 -Oct 25, 20061 Finland
NCT00111579Study to Evaluate the Immune Responses of Trivalent Cold-Adapted Influenza Vaccine (CAIV-T) Compared With (TIV)PHASE2 COMPLETED 52May 1, 2005Jan 1, 2006Jul 24, 20085 United States
NCT00192166Trial to Assess Safety, Efficacy, Tolerability and Immunogenicity of Influenza Virus Vaccine, Liquid Formulation (CAIV-T), Administered Concomitantly With a Combination Live, Attenuated, Mumps, Measles, and Rubella Vaccine in Healthy Children Aged 11 - 24 MonthsPHASE2 COMPLETED 1,200Oct 1, 2002May 1, 2003Dec 8, 20081 Singapore
NCT00192309Phase II Study to Investigate the Kinetics of the Immune Response Generated by Influenza Virus Vaccine.PHASE2 COMPLETED 31Sep 1, 2001Dec 1, 2001Feb 14, 20121 United States
NCT00192387Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T)PHASE2 COMPLETED 60Sep 1, 2001Dec 1, 2001Sep 13, 20211 United States
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Study Endpoints
Primary Endpoints
The primary immunogenicity endpoint is the proportion of subjects achieving a post-vaccination serum antibody response for each antigen component of OPV and CAIV-T.
The safety objective was to assess the safety and tolerability of CAIV-T vaccine.
The primary study endpoint was the comparison of efficacy of CAIV-T versus placebo against culture-confirmed influenza-illness caused by community-acquired influenza subtypes that were antigenically similar to those contained in the vaccine.
Assays on blood, serum, nasal wash samples and cells obtained from healthy adult subjects
The primary endpoint for efficacy is the first episode in a study child of a cultureconfirmed influenza illness.
28 days after vaccination
The primary endpoint of the study was the determination of the proportion of placebo recipients from whom any of the vaccine strains were isolated.
The following immunogenicity endpoints: The strain-specific HAI seroconversion rates (≥ 4-fold increase) among baseline seronegative participants (HAI titer ≤ 1:4), by dose number
Day 28 post final vaccination
The proportion of participants achieving ≥ 4-fold increase in strain-specific HAI titer from baseline in all participants regardless of baseline serostatus, by dose number
Day 28 post final vaccination
All episodes of AOM, occurring during the influenza season, associated with a positive culture for influenza virus antigenically similar to those contained in the vaccine.
Kinetics of the hemagglutination inhibition antibody response to each vaccine strain
Day 0-28

The geometric mean titers for each strain between Day 0 and 28 were examined.

Measurement of influenza-specific immune response following receipt of CAIV-T.
Secondary Endpoints
The secondary endpoint for immunogenicity is the geometric mean titer (GMT) of serum antibody for each antigen component of OPV or the geometric mean ratio relative to the baseline titer of CAIV-T serum antibody components.
A secondary comparison of interest was the incidence of culture-confirmed influenza-illness caused by any antigenic subtype.
The secondary endpoint for culture-confirmed influenza illness is the first episode caused by any community-acquired antigenic subtype which occurs following receipt of the second dose of study vaccine or placebo.
28 days after vaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposePREVENTION
Treatment Arms
ArmTypeDescription
1EXPERIMENTALCAIV-T
2PLACEBO_COMPARATORPlacebo
Cold-adapted influenza vaccine (CAIVT)EXPERIMENTALA single intranasal dose of 10\^7 fluorescent focus units.
Trivalent inactivated vaccine (TIV)ACTIVE_COMPARATORA single dose of commercially available Flushield was administered intramuscularly.
PlaceboPLACEBO_COMPARATORThe 0.2 mL administered intranasally.
Interventions
NameTypeDescription
CAIV-TBIOLOGICAL -
PlaceboOTHERA single dose of placebo volume of 0.2 mL was administered intranasally with the spray applicator intended for commercial use (approximately 0.1 mL into each nostril).
TIVOTHERA total vol. of 0.25 will be administered intramuscularly for each of two doeses.
CAIV-T, LiquidBIOLOGICAL -
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Eligibility Criteria
Age Range6 Months — 36 Months
SexALL
Healthy VolunteersYes

Inclusion Criteria: * who are aged at least 6 months and less than 36 months of age at the time of first vaccination * who have received a full primary vaccination schedule consisting of three doses of OPV in the first year of life * who are in good health as determined by medical history, physical...

Countries:AustraliaSouth AfricaUnited StatesFinlandSingapore
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