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Recombinant human Arylsulfatase A

Phase 1

Late Infantile Metachromatic Leukodystrophy | Monoclonal antibody | Other |Takeda Pharmaceutical Company Limited|Last Updated: Jun 14, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment13
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00633139Long-term Metazym Treatment of Patients With Late Infantile Metachromatic Leukodystrophy (MLD)PHASE1 COMPLETED 13Jan 22, 2007Nov 25, 2008Jun 14, 20211 Denmark
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Study Endpoints
Primary Endpoints
Relative Changes (%) in Gross Motor Function Measurement (GMFM)
Baseline, 52 Weeks

Change (percent change) in GMFM is measured from baseline to end of study (Week 52). GMFM is measured using GMFM-88. The GMFM-88 item scores can be summed to calculate a total GMFM-88 score. For each GMFM-88 item, the score is between 0 (minimal) to 3 (maximum). The total GMFM-88 score is between 0 (minimal) to 264 (maximum). Relative changes in GMFM are calculated as percentage change from baseline divided by the age difference in months between first and last visit. The GMFM score decreases over time, which, indicates that the disease worsened over time. Score over time (SOT), data mentioned over mean represents the adjusted mean.

Relative Change in Mullen's Scales of Early Learning
Baseline, 52 Weeks

Changes in Mullen's Scales of Early Learning are measured from baseline to end of study (Week 52) using Mullen's Scales of Early Learning. T scores, percentile ranks, and age equivalents can be computed for the four scales separately (visual reception, fine motor, expressive language, and receptive language). Relative change is calculated as percentage change from baseline divided by the age-difference in months between first and last visit. When Mullen's score decreases over time, it indicates the disease worsened over time. Data mentioned over mean represents the adjusted mean.

Secondary Endpoints
Change in Cerebrospinal Fluid (CSF) Sulfatide
Baseline, 52 Weeks
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1EXPERIMENTALCohort 1: 50 U/kg Recombinant human Arylsulfatase A (rhASA)
Cohort 2EXPERIMENTALCohort 2: 100 U/kg Recombinant human Arylsulfatase A (rhASA)
Cohort 3EXPERIMENTALCohort 3: 200 U/kg Recombinant human Arylsulfatase A (rhASA)
Interventions
NameTypeDescription
Recombinant human Arylsulfatase A (rhASA)BIOLOGICALintravenous infusion, every other week for 26 weeks
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Eligibility Criteria
Age Range1 Year — 5 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: The patients from the Phase I trial must meet the following criteria to be enrolled in the study. * Subject's legally authorized guardian(s) must provide signed, informed consent prior to performing any study-related activities (trial-related activities are any procedures that ...

Countries:Denmark
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