Atidarsagene autotemcel - Orchard Therapeutics
Alternative Names: ARSA gene therapy - GSK/Fondazione Telethon/Ospedale San Raffaele; ARSA transduced autologous CD34+ stem cells - GSK/Fondazione Telethon/Ospedale San Raffaele; Arylsulfatase A gene therapy -GSK/Fondazione Telethon/Ospedale San Raffaele; Ex vivo stem cell gene therapy - GSK/Fondazione Telethon/Ospedale San Raffaele; GSK 2696274; Lenmeldy; Libmeldy; OTL-200Latest Information Update: 07 Nov 2025
At a glance
- Originator Fondazione Telethon; GlaxoSmithKline; Ospedale San Raffaele
- Developer Orchard Therapeutics; The San Raffaele Telethon Institute for Gene Therapy (JV)
- Class Gene therapies; Haematopoietic stem cells therapies
- Mechanism of Action Arylsulfatase replacements; Cell replacements
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Orphan Drug Status
Yes - Metachromatic leukodystrophy
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
Highest Development Phases
- Marketed Metachromatic leukodystrophy
Most Recent Events
- 28 Oct 2025 Atidarsagene autotemcel receives Orphan Regenerative Medicine Product Designation for Metachromatic leukodystrophy in Japan
- 28 Oct 2025 Kyowa Kirin plans clinical trial for Metachromatic leukodystrophy (In children) in Japan
- 12 Feb 2025 Launched for Metachromatic leukodystrophy (In children) in USA (IV) prior to February 2025