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BAX 888

Phase 1

Hemophilia A | Small molecule | Hematology |Takeda Pharmaceutical Company Limited|Last Updated: Sep 11, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment4
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03370172A Study of BAX 888 in Male Adults With Severe Hemophilia APHASE1 COMPLETED 4Feb 27, 2018Jul 9, 2024Sep 11, 202526 United States, Austria +4
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Study Endpoints
Primary Endpoints
Number of Participants With BAX 888-Related Adverse Events (AEs)
From first dose up to end of the study (approximately 6 years)

An AE is defined as any untoward medical occurrence in a participant administered an investigational product (IP) that does not necessarily have a causal relationship with the treatment. A Serious adverse event (SAE) is an AE resulting in any of the following outcomes: death; life-threatening event; required or prolonged inpatient hospitalization; persistent or significant disability/incapacity; congenital anomaly. AEs include both serious and non-serious adverse events including development of FVIII inhibitory antibodies, clinically significant changes in standard laboratory parameters, physical exam, and vital signs.

Secondary Endpoints
Change From Baseline in Circulating Plasma FVIII Activity Level
Baseline, up to Month 60
Number of Participants With Clinically Significant Change From Baseline in Circulating Plasma FVIII Antigen Level
Baseline, up to Month 60
Annualized Bleed Rate (ABR)
Up to approximately 6 years 4 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Cohort 1: BAX 888 2.0*10^12 cp/kgEXPERIMENTALCohort 1 participants received a single peripheral intravenous (IV) infusion of BAX 888 at a dose of 2.0\*10\^12 capsid particles per kilogram (cp/kg) on the day of dosing (Day 0).
Cohort 2: BAX 888 6.0*10^12 cp/kgEXPERIMENTALCohort 2 participants received a single peripheral IV infusion of BAX 888 at a dose of 6.0\*10\^12 cp/kg on the day of dosing (Day 0).
Interventions
NameTypeDescription
BAX 888DRUGParticipants will receive a single peripheral IV infusion of BAX 888 in Cohort 1 and 2 Day 0.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexMALE
Healthy VolunteersNo
Study Sites26

Inclusion Criteria: * Male, aged 18 to 75 years at the time of screening. * Established severe hemophilia A (FVIII:C \<1%, measured following \>=5 days without FVIII treatment) and/or documented intron 1 inversion or intron 22 inversion mutation in the F8 gene, consistent with severe hemophilia A ,...

Countries:United StatesAustriaFranceGermanyHungarySpain
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