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hepatitis B antigen plus IMP321

Phase 1

Healthy | Monoclonal antibody | Other |Immutep Limited|Last Updated: Apr 25, 2008

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
RandomizedPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment48
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00354861A Randomized Phase I Study of a Hepatitis B Antigen Combined With IMP321PHASE1 COMPLETED 48May 1, 2005Feb 1, 2006Apr 25, 20081 France
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Study Endpoints
Primary Endpoints
To evaluate clinical and laboratory safety and tolerability profiles
3 months
Secondary Endpoints
To determine T cell response induction efficacy
3 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeBASIC_SCIENCE
Treatment Arms
ArmTypeDescription
AEXPERIMENTALIMP321
BPLACEBO_COMPARATORSaline
CACTIVE_COMPARATOREngerix B
Interventions
NameTypeDescription
hepatitis B antigen (without alum) plus IMP321BIOLOGICALhepatitis B antigen (10 µg HbsAg, subtype adw, without alum) with IMP321
hepatitis B antigen alone (without alum)BIOLOGICALhepatitis B antigen (10 µg HbsAg, subtype adw, without alum) with physiological saline
Engerix BBIOLOGICAL20 µg hepatitis B antigen absorbed on alum
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * able to give a written informed consent ; * healthy male volunteers aged between 18 and 40 years and post-menopausal healthy women aged between 18 and 55 years; * with body mass index (weight/height²) in the range 18 to 30 kg/m²; * registered with the French Social Security in...

Countries:France
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