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HGT-1110

Phase 1

Metachromatic Leukodystrophy (MLD) | Monoclonal antibody | Other |Takeda Pharmaceutical Company Limited|Last Updated: Apr 21, 2026

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 Enrollment24
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01887938An Efficacy and Safety Study of HGT-1110 in Participants With Metachromatic LeukodystrophyPHASE1 COMPLETED 24May 23, 2013Feb 13, 2026Apr 21, 202615 Australia, Brazil +5
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Study Endpoints
Primary Endpoints
Number of Participants With Treatment-Emergent Adverse Events (TEAEs)
Baseline to Follow-up (Week 628)

An AE is any noxious, pathologic, or unintended change in anatomical, physiologic, or metabolic function as indicated by physical signs, symptoms, or laboratory changes occurring in any phase of a clinical study, whether or not considered investigational drug product-related. TEAEs are defined as all AEs occurring or worsening at or after the first dose of investigational drug product in HGT-MLD-071 or ongoing from HGT-MLD-070 at the time of enrollment into HGT-MLD-071.

Presence of Anti-HGT-1110 Antibodies in Cerebrospinal Fluid (CSF) and Serum
Baseline until end of the study (Week 624)

The presence of anti-HGT-1110 antibodies in CSF and serum will be assessed.

Secondary Endpoints
Change From Baseline in Motor Function as Assessed by Gross Motor Function Measure (GMFM-88) Total Score at Week 624
Baseline, Week 624
Change From Baseline in the Adaptive Behavior Composite Standard Score Measured by the Vineland Adaptive Behavior Scales, Second Edition (VABS-II)
Baseline, Week 624
Change From Baseline in the Domain-Specific Caregiver Observed Metachromatic Leukodystrophy Functioning and Outcomes Reporting Tool (COMFORT) Scores
Baseline, Week 624
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Cohort 1EXPERIMENTALParticipants will receive 10 milligram (mg) of HGT-1110 (Recombinant human arylsulfatase A) intrathecal (IT) injection every-other-week (EOW).
Cohort 2EXPERIMENTALParticipants will receive 30 mg of HGT-1110 IT injection EOW.
Cohort 3EXPERIMENTALParticipants will receive 100 mg of HGT-1110 IT injection EOW.
Cohort 4EXPERIMENTALParticipants will receive 100 mg of HGT-1110 IT injection once weekly for 12 weeks followed by 150 mg EOW.
Interventions
NameTypeDescription
HGT-1110BIOLOGICALParticipants will receive IT injection of HGT-1110.
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Eligibility Criteria
Age Range0 Years — 13 Years
SexALL
Healthy VolunteersNo
Study Sites15

Inclusion Criteria: 1. Participant has participated in Study HGT-MLD-070 (NCT01510028) through Week 40. 2. Participant must have no safety or medical issues that contraindicate participation. 3. The participant, participant's parent(s), or legally authorized representative(s) must provide written i...

Countries:AustraliaBrazilCzechiaDenmarkFranceGermanyJapan
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT01887938TRIAL_REMOVED: changed
LOWMay 24, 2026NCT01887938studyFirstPostDate: changed