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Clinical Trial Report
Gene Therapy Trial Report
Summary
OTL-200 in Patients With Late Juvenile Metachromatic Leukodystrophy (MLD)
NCTID
NCT04283227
(View at clinicaltrials.gov)
Description
OTL-200 is a cryopreserved dispersion for infusion containing autologous CD34+ cell enriched population that contains haematopoietic stem and progenitor cells (HSPC) transduced ex vivo using a lentiviral vector encoding the human arylsulfatase A (ARSA) gene. MLD is an autosomal recessive lysosomal storage disorder (LSD) characterized by severe and progressive demyelination affecting the central and peripheral nervous system. The aim of this clinical study is to assess the pharmacodynamic effect and long-term clinical efficacy and safety of OTL-200 in Late Juvenile MLD patients.
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Development Status
Approved
Indication
Metachromatic Leukodystrophy
Disease Ontology Term
DOID:10581
Compound Name
LENMELDY
Compound Alias
atidarsagene autotemcel, OTL-200
Sponsor
Orchard Therapeutics
Funder Type
Industry
Recruitment Status
Active not recruiting
Enrollment Count
6
Results Posted
Not Available
Therapy Information
Target Gene/Variant
ARSA
Therapy Type
Gene transfer
Therapy Route
Ex-vivo
Mechanism of Action
Functional gene replacement
Route of Administration
Intravenous
Drug Product Type
Autologous cells
Target Tissue/Cell
CD34+ cells
Delivery System
Viral transduction
Vector Type
VSV-G
Editor Type
none
Dose 1
Minimum dose: 4.2E6 CD34+ cells/kg
Dose 2
Maximum dose: 30E6 CD34+ cells/kg
Dose 3
Dose 4
Dose 5
Study Record Dates
Current Stage
Phase3
Submit Date
2020-02-13
Completion Date
2031-03-31
Last Update
2024-01-18
Participation Criteria
Eligible Age
Standard Ages
Child, Adult, Older adult
Sexes Eligible for Study
ALL
Locations
No.of Trial Sites
1
Locations
Italy
Regulatory Information
Has US IND
False
FDA Designations
Orphan Drug Designation, Rare Pediatric Disease Designation, Regenerative Medicine Advanced Therapy
Recent Updates
FDA approval granted 3/18/24
Resources/Links
Clinical Publications
Lentiviral hematopoietic stem cell gene therapy benefits metachromatic leukodystrophy
Lentiviral haematopoietic stem-cell gene therapy for early-onset metachromatic leukodystrophy: long-term results from a non-randomised, open-label, phase 1/2 trial and expanded access
Lentiviral haemopoietic stem-cell gene therapy in early-onset metachromatic leukodystrophy: an ad-hoc analysis of a non-randomised, open-label, phase 1/2 trial
Preclinical Publications
Safety of arylsulfatase A overexpression for gene therapy of metachromatic leukodystrophy
Correction of metachromatic leukodystrophy in the mouse model by transplantation of genetically modified hematopoietic stem cells
Gene therapy of metachromatic leukodystrophy reverses neurological damage and deficits in mice
Protocol
FDA Approval Documents
Related NCTID
Phase 1/2: NCT01560182
Phase 2: NCT03392987