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BCG Vaccine USP

Phase 1

Tuberculosis | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Dec 16, 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
RandomizedPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment20
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05592223Phase I Open Label BCG Clinical Trial Assessing TB Drugs and VaccinesPHASE1 COMPLETED 20Dec 6, 2022Dec 1, 2023Dec 16, 20251 United States
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Study Endpoints
Primary Endpoints
Assess Viable BCG Bacteria From Intradermal Challenge Site From Culture.
15 days after BCG dosing

Through microbial culture, quantify in colony forming units (CFU) BCG bacterial burden in skin biopsies from challenge sites. Outcome measure if the mean cfu from day 15 biopsy specimens.

Secondary Endpoints
The Rate of AE's/SAE's
Through study completion, an average of 16 weeks.
Assess Quantitative Bacterial 16S Ribosomal DNA PCR
Day 15 post BCG dosing
Quantification by AUC of IgG in the Blood After BCG Immunization and INH or RIF Dosing.
Day 144
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
BCG Challenged-Isoniazid TreatedACTIVE_COMPARATORWill receive INH in the dose of 300 mg for three days post BCG injection.
BCG Challenged-Isoniazid UntreatedPLACEBO_COMPARATORWill not receive any INH or RIF dose.
BCG Challenged-RIF TreatedACTIVE_COMPARATORWill receive RIF in the dose of 600 mg for seven days post BCG injection.
Interventions
NameTypeDescription
BCG Vaccine USPDRUG2x10\^6 cfu Tice® BCG (ID)
IsoniazidDRUGINH in the dose of 300 mg for three days post BCG injection.
RifampinDRUGRIF in the dose of 600 mg for seven days post BCG injection.
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Eligibility Criteria
Age Range18 Years — 45 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Provide written informed consent prior to initiation of any study procedures, * Are males or non-pregnant females between the ages of 18 and 45 years, inclusive, * Women of childbearing potential in sexual relationships with men must use an acceptable method of preventing conc...

Countries:United States
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Competitive Landscape -Tuberculosis 7 trials