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BAX 826

Phase 1

Hemophilia A | Monoclonal antibody | Hematology |Takeda Pharmaceutical Company Limited|Last Updated: May 25, 2021

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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment40
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02716194BAX 826 Dose-Escalation Safety StudyPHASE1 COMPLETED 40Mar 3, 2016Jan 17, 2017May 25, 202128 Bulgaria, Germany +7
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Study Endpoints
Primary Endpoints
Serious AEs (SAEs) and Non-serious AEs Occurring After Infusion With BAX 826
Up to 6 weeks ± 4 days post infusion with BAX826.

Serious Adverse Events and non-serious Adverse Events the occurred after infusion with BAX 826.

Immediate Tolerability (Vital Signs and Clinical Laboratory Assessments)
Screening (Day -30 to -2); Advate Administration (Study Day 1) pre & postdose, and Day 4; Advate washout 96 hours to 4 weeks; BAX826 Administration Day 1 pre & postdose, Post BAX826 Day 4, 8, 14, and 23; and study termination visit, week 6 ± 4 days

Clinically significant results after treatment with investigational product that constitute an AE are counted. Vital signs include body temperature, respiratory rate, pulse rate, and blood pressure. Clinical laboratory results include: Hematology (hemoglobin, hematocrit, red blood cell count, white blood cell count with differential (i.e. basophils, eosinophils, lymphocytes, monocytes and neutrophils), international normalized ratio (INR), mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC), platelet count. Clinical Chemistry: sodium, potassium, chloride, bicarbonate, total protein, albumin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin, alkaline phosphatase, gamma-glutamyltransferase (GGT), blood urea nitrogen (BUN), creatinine, glucose. Lipid panel: cholesterol, very-low-density lipoprotein (VLDL), low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglycerides

Immunogenicity: Inhibitory Antibodies to Factor VIII (FVIII)
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Inhibition of FVIII activity by antibodies binding to FVIII were measured using the Nijmegen modification of the Bethesda inhibitor assay.

Immunogenicity: Binding Antibodies to PSA-FVIII (ie BAX 826)
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Binding antibodies to PSA FVIII (ie BAX 826) IgG and IgM

Immunogenicity: Binding Antibodies to Factor VIII (FVIII)
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Binding antibodies to FVIII IgG and IgM

Immunogenicity: Anti-polysialic Acid (Anti-PSA) Antibodies
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Binding antibodies to PSA (IgG and IgM)

Immunogenicity: Anti-Chinese Hamster Ovary (Anti-CHO) Antibodies
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Binding antibodies to CHO

Immunogenicity: Human Anti-murine Antibodies (HAMA)
Screening visit (Day -30 to -2); Advate Administration (Study Day 1) predose; ADVATE wash out period 96 hours to 4 weeks; BAX826 Administration Day 1 predose, and Post BAX826 Day 8; and study termination visit, week 6 ± 4 days

Binding antibodies HAMA (IgG)

Secondary Endpoints
Pharmacokinetics: Area Under the Concentration-time Curve From 0 to Infinity (AUC0-∞)
Pre-infusion within 30 minutes; and post-infusion at 15 and 30 minutes, and 1, 3, 6, 9, 12, 24, 32, 48, 56, and 72 hours for both BAX 826 and ADVATE. BAX 826 will also include post-infusion at 96, 120, 144, and 168 hours.
Pharmacokinetics: Terminal Half-life (t1/2)
Pre-infusion within 30 minutes; and post-infusion at 15 and 30 minutes, and 1, 3, 6, 9, 12, 24, 32, 48, 56, and 72 hours for both BAX 826 and ADVATE. BAX 826 will also include post-infusion at 96, 120, 144, and 168 hours.
Pharmacokinetics: Mean Residence Time (MRT)
Pre-infusion within 30 minutes; and post-infusion at 15 and 30 minutes, and 1, 3, 6, 9, 12, 24, 32, 48, 56, and 72 hours for both BAX 826 and ADVATE. BAX 826 will also include post-infusion at 96, 120, 144, and 168 hours.
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1 - Low doseEXPERIMENTALThe study is comprised of 3 dose cohorts and two dose escalation steps \[Cohort 1: 10 evaluable participants; Cohort 2: 10 evaluable participants; Cohort 3: 10 evaluable participants\]. Participants will be recruited to the next dose level only after short-term safety has been reviewed and subject to approval by a Safety Review Committee at the preceding dose level.
Cohort 2 - Medium doseEXPERIMENTALThe study is comprised of 3 dose cohorts and two dose escalation steps \[Cohort 1: 10 evaluable participants; Cohort 2: 10 evaluable participants; Cohort 3: 10 evaluable participants\]. Participants will be recruited to the next dose level only after short-term safety has been reviewed and subject to approval by a Safety Review Committee at the preceding dose level.
Cohort 3 - High doseEXPERIMENTALThe study is comprised of 3 dose cohorts and two dose escalation steps \[Cohort 1: 10 evaluable participants; Cohort 2: 10 evaluable participants; Cohort 3: 10 evaluable participants\]. Participants will be recruited to the next dose level only after short-term safety has been reviewed and subject to approval by a Safety Review Committee at the preceding dose level.
Interventions
NameTypeDescription
BAX 826BIOLOGICAL -
Octocog alfaBIOLOGICAL -
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Eligibility Criteria
Age Range18 Years — 65 Years
SexMALE
Healthy VolunteersNo
Study Sites28

Inclusion Criteria: 1. Previously treated male participants aged 18 to 65 years (inclusive) at the time of screening 2. Diagnosis of severe hemophilia A (Factor VIII level \<1%) 3. Previously treated with FVIII concentrates for ≥150 documented Exposure Days (EDs) 4. Karnofsky performance score of ≥...

Countries:BulgariaGermanyHungaryItalyNetherlandsPolandRussiaSpainUnited Kingdom
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