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BAX326

Phase 3

Hemophilia B | Monoclonal antibody | Hematology |Takeda Pharmaceutical Company Limited|Last Updated: May 20, 2021

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials3
Total Enrollment226

FDA Designations

No designations recorded

Clinical trial landscape

BAX326 · 3 trials · 1 indication

Phase 3 2Phase 2 1
NCT01286779BAX 326 (rFIX) Continuation StudyHemophilia B
COMPLETED117 Analytics
NCT01174446Pivotal Study (Pharmacokinetics, Efficacy, Safety) of BAX 326 (rFIX) in Hemophilia B PatientsHemophilia B
COMPLETED86 Analytics
PHASE3COMPLETED
BAX 326 (rFIX) Continuation Study
Hemophilia BUnlock trial analytics
PHASE3COMPLETED
Pivotal Study (Pharmacokinetics, Efficacy, Safety) of BAX 326 (rFIX) in Hemophilia B Patients
Hemophilia BUnlock trial analytics

Study Endpoints

Primary Endpoints

Adverse Events Possibly or Probably Related to the Investigational Product
Assessed (based on patient diary) every 3 months until study completion (when BAX326 is licensed in the respective country or the participant has accumulated approximately 100 exposure days to BAX 326, whichever is last).

Possibly or probably related adverse events that occurred during or after first BAX326 infusion.

Study Part 1- Area Under the Plasma Concentration Versus Time Curve From 0 to 72 Hours Per Dose
72 hours

Computed using the linear trapezoidal method. The concentration at 72 hours was interpolated from the two nearest sampling time points or extrapolated using the last quantifiable concentration and the terminal rate constant λz. λz was estimated from the slope of natural log-linear fitting to latter quantifiable concentrations, with largest adjusted R\^2.

Adverse Events (AEs) Possibly or Probably Related to BAX326
Throughout study period (approximately 17 months)

Secondary Endpoints

Treatment of Bleeding Episodes: Number of Infusions Per Bleeding Episode Required Until Bleed Resolution
Throughout the study from screening to study completion (when BAX326 is licensed in the respective country or the participant has accumulated approximately 100 exposure days to BAX 326, whichever is last).
Treatment of Bleeding Episodes: Overall Hemostatic Efficacy Rating at Resolution of Bleed
Throughout the study from screening to study completion (when BAX326 is licensed in the respective country or the participant has accumulated approximately 100 exposure days to BAX 326, whichever is last).
Annualized Bleed Rate During Prophylaxis Treatment
For prophylactic treatment the period from first to last prophylactic infusion is considered.
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BAX 326EXPERIMENTAL -
BeneFIXACTIVE_COMPARATORRecombinant Factor IX (rFIX)
BAX326 < 6 years of ageEXPERIMENTAL -
BAX326 6 to <12 years of ageEXPERIMENTAL -

Interventions

NameTypeDescription
BAX 326 (Recombinant factor IX)BIOLOGICALThe treatment with BAX 326 will be at the discretion of the investigator and will consist of either twice weekly prophylactic treatment with 50 IU/kg, modified prophylaxis, or on-demand treatment.
BAX 326BIOLOGICAL* Study Part 1: Pharmacokinetic (PK) Crossover with BAX326 and BeneFIX * Study Part 2: Open-label evaluation of prophylaxis and on-demand BAX326 only * Study Part 3: Open-label repeat of PK evaluation (repeat Study Part 1) with BAX326 only and same study participants as Study Part 1
BeneFIXBIOLOGICAL* Study Part 1: Pharmacokinetic (PK) Crossover with BAX326 and BeneFIX. * BeneFIX only used in Part 1 of this study. * Study Part 2 and 3 only utilized BAX326
BAX326BIOLOGICALAll participants underwent a pharmacokinetic evaluation with BAX326 (recombinant Factor IX) followed by twice weekly prophylactic treatment for 6 months or for at least 50 exposure days, whichever occurred last.
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Eligibility Criteria

Age RangeN/A to 65 Years
SexALL
Healthy VolunteersNo
Study Sites42

Main Inclusion Criteria: * Subject and/or legal representative has/have voluntarily provided signed informed consent * Subject has completed Baxter clinical study 250901 (pivotal study) or Baxter clinical study 251101 (pediatric study) * Subject was 12 to 65 years old at the time of screening for S...

Countries:ArgentinaBrazilBulgariaChileColombiaCzechiaIndiaIrelandItalyJapanPolandRomaniaRussiaSwedenTaiwanUkraineUnited KingdomSpain
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Frequently asked questions about BAX326

What is BAX326 used for?

BAX326 is an investigational therapy for hemophilia B, a bleeding disorder caused by a deficiency in clotting factor IX. It is being developed as a recombinant factor IX replacement to control and prevent bleeding episodes in patients with this condition. The drug is currently in clinical development and has not been approved by regulatory authorities.

Who makes BAX326?

BAX326 is being developed by Takeda Pharmaceutical Company Limited, a global biopharmaceutical company listed on the Tokyo Stock Exchange under the ticker TAK. Takeda is conducting clinical trials to evaluate the safety and efficacy of BAX326 in patients with hemophilia B.

What phase is BAX326 in?

BAX326 is in Phase 3 clinical development for hemophilia B. It has completed three clinical trials, including a pivotal Phase 3 study, a continuation study, and a pediatric study. The drug remains investigational and is not yet approved for commercial use.

What clinical trials is BAX326 in?

BAX326 has completed three clinical trials: NCT01174446, a pivotal Phase 3 study in hemophilia B patients; NCT01286779, a continuation study; and NCT01488994, a pediatric study. All trials are completed, with a total enrollment of 226 participants across multiple countries.

Is BAX326 the same as rFIX?

BAX326 is also known as rFIX, which stands for recombinant factor IX. It is a form of clotting factor IX produced through recombinant DNA technology. This alternative name is used in clinical trial titles and medical literature to describe the same investigational therapy for hemophilia B.