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Pandemic Influenza Vaccine

Phase 1

Influenza A Subtype H5N1 Infection | Monoclonal antibody | Infectious Disease |Altimmune, Inc.|Last Updated: May 29, 2025

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_CONTROLLEDDMC
Total Trials1
Total Enrollment48
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00755703Safety and Immunogenicity Study of Adenovirus-vectored, Intranasal Pandemic Influenza Vaccine.PHASE1 COMPLETED 48Oct 1, 2008Dec 1, 2011May 29, 20251 United States
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Study Endpoints
Primary Endpoints
To assess the safety of a nasally administered adenovirus-vectored pandemic influenza vaccine in healthy human adults.
56 day observations with 2 year follow-up
Secondary Endpoints
Determination of immunogenicity and correlates of protection based on HI titers in vaccinates
28 days and 56 days post vaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelFACTORIAL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Group 1EXPERIMENTALThere will be 12 subjects in Group 1 that will receive 10e8 viral particles of the Pandemic Influenza Vaccine administered via intranasal spray on day 0 and day 28 (+/- 4d).
Group 2EXPERIMENTALThere will be 12 subjects in Group 2 that will receive 10e9 viral particles of the Pandemic Influenza Vaccine administered via intranasal spray on day 0 and day 28 (+/- 4d).
Group 3EXPERIMENTALThere will be 12 subjects in Group 3 that will receive 10e10 viral particles of the Pandemic Influenza Vaccine administered via intranasal spray on day 0 and day 28 (+/- 4d).
Experimental: Group 4PLACEBO_COMPARATORThere will be 12 subjects in Group 4 that will receive a placebo consisting of buffer administered via intranasal spray on day 0 and day 28 (+/- 4d).
Interventions
NameTypeDescription
Pandemic Influenza VaccineBIOLOGICALUndetermined
PlaceboBIOLOGICAL -
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Eligibility Criteria
Age Range19 Years — 49 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Healthy males and females in good general health, 19-49 years of age * Subjects must provide written consent * Willing to participate through study completion * Willing to undergo nasal washes and swabs and provide urine and blood samples per protocol for safety and immunogeni...

Countries:United States
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