Drugs / ATIDARSAGENE AUTOTEMCEL
last change Mar 2026 re-read 3 minutes ago

ATIDARSAGENE AUTOTEMCEL

also known as OTL-200 · Lenmeldy · Libmeldy

targets ARSA

Developed for
metachromatic leukodystrophy
Investigated by
Orchard Therapeutics · Ospedale San Raffaele

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Filed US (FDA) — metachromatic leukodystrophy 2023-08-03

“The company has completed the rolling submission of its Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for OTL-200” orchard-tx.com ↗

Filed US (FDA) — metachromatic leukodystrophy 2023-05-15

“I am delighted to announce the initiation of our OTL-200 rolling BLA submission with the filing of the first module” orchard-tx.com ↗

Filed EU (EMA) — metachromatic leukodystrophy 2019-12-02

“today announced that the European Medicines Agency (EMA) has validated the company’s Marketing Authorization Application (MAA) for OTL-200” orchard-tx.com ↗

Trials 3

201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial · 1 met primary
Phase 1/2 NCT01560182 Apr 2010 → Apr 2018 metachromatic leukodystrophy Orchard Therapeutics Completed Met primary
Phase 21 trial · 1 met primary
Phase 2 NCT03392987 Jan 2018 → Apr 2022 metachromatic leukodystrophy Orchard Therapeutics Completed Met primary
Phase 31 trial
Phase 3 NCT04283227 Jan 2022 → Jan 2026 overdue metachromatic leukodystrophy Orchard Therapeutics Active not recruiting No outcome recorded

News releases announcing trial results or a regulatory action · 23

DateIssuerRelease
2025-10-28 Orchard Therapeutics Regulatory Kyowa Kirin and Orchard Therapeutics Announce OTL-200 Granted Orphan Regenerative Medicine Product Designation for Early-onset MLD in Japan orchard-tx.com ↗
2024-03-18 Orchard Therapeutics Regulatory Orchard Therapeutics Receives FDA Approval of Lenmeldy™ (atidarsagene autotemcel), the Only Therapy for Eligible Children with Early-onset Metachromatic Leukodystrophy in the U.S. orchard-tx.com ↗
today announced the U.S. Food and Drug Administration (FDA) has approved Lenmeldy™ (atidarsagene autotemcel), formerly known as OTL-200, for the treatment of children with pre-symptomatic late infantile (PSLI), pre-symptomatic early juvenile (PSEJ) or early symptomatic early juvenile (ESEJ)—collectively referred to as early-onset—metachromatic leukodystrophy (MLD).
2023-12-11 Orchard Therapeutics Regulatory Orchard Therapeutics Receives Swissmedic Approval for Libmeldy in Early-onset MLD orchard-tx.com ↗
Orchard Therapeutics (Nasdaq: ORTX), a global gene therapy leader, today announced the Swiss Agency for Therapeutic Products (Swissmedic) has approved Libmeldy® (atidarsagene autotemcel), a hematopoietic stem cell (HSC) gene therapy, for the treatment of early-onset metachromatic leukodystrophy (MLD).
2023-11-13 Orchard Therapeutics Regulatory Orchard Therapeutics Reports Third Quarter 2023 Financial Results and Highlights Recent Business Accomplishments orchard-tx.com ↗
With our BLA file for OTL-200 in MLD accepted by the FDA under Priority Review, we are one step closer to potentially bringing this important therapy to families in the U.S.
2023-09-18 Orchard Therapeutics Regulatory Orchard Therapeutics Announces Acceptance of Biologics License Application for OTL-200 in MLD and Receives Priority Review orchard-tx.com ↗
Orchard Therapeutics (Nasdaq: ORTX), a global gene therapy leader, today announced the U.S. Food and Drug Administration (FDA) has accepted the filing of its Biologics License Application (BLA) for OTL-200 in metachromatic leukodystrophy (MLD) under Priority Review.
2023-08-31 Orchard Therapeutics Results Orchard Therapeutics Announces Presentation of Data Comprising the Clinical Package for the OTL-200 BLA in MLD at the SSIEM Annual Symposium 2023 orchard-tx.com ↗
Orchard Therapeutics (Nasdaq: ORTX), a global gene therapy leader, today announced long-term results from an updated integrated analysis of 39 patients with metachromatic leukodystrophy (MLD) treated with investigational OTL-200 in the clinical development program.
2023-08-03 Orchard Therapeutics Regulatory Orchard Therapeutics Completes Submission of Biologics License Application for OTL-200 in MLD to U.S. FDA orchard-tx.com ↗
2023-05-15 Orchard Therapeutics Regulatory Orchard Therapeutics Reports First Quarter 2023 Financial Results and Announces Initiation of Rolling Submission for Biologics License Application of OTL-200 for Metachromatic Leukodystrophy to U.S. FDA orchard-tx.com ↗
2023-02-24 Orchard Therapeutics Results Orchard Therapeutics Announces Presentation of Updated Integrated Analysis of OTL-200 in MLD and Reports Progress with Newborn Screening Efforts at the 19th Annual WORLDSymposium™ orchard-tx.com ↗
The three patient deaths were considered unrelated to treatment with OTL-200.
2022-01-21 Orchard Therapeutics Results Orchard Therapeutics Announces Publication in The Lancet of Long-term Clinical Outcomes with Libmeldy for the Treatment of Children with Early-onset MLD orchard-tx.com ↗
Twenty-six of 29 patients (90%) were alive with median follow-up of 3.2 years (range 0.64 to 7.51 years) in all participants.
2021-02-09 Orchard Therapeutics Results Orchard Therapeutics Announces Interim Data for OTL-203 Showing Positive Clinical Results in Multiple Disease Manifestations of Mucopolysaccharidosis Type I Hurler Syndrome (MPS-IH) orchard-tx.com ↗
Updated clinical data for OTL-200 in patients with MLD were also presented, including results in early-symptomatic early-juvenile (ES-EJ) patients as well as new data from a cryopreserved formulation of OTL-200.
2021-01-14 Orchard Therapeutics Regulatory Orchard Therapeutics Announces OTL-200 Granted Regenerative Medicine Advanced Therapy (RMAT) Designation by FDA for the Treatment of Metachromatic Leukodystrophy (MLD) orchard-tx.com ↗
today announced that the U.S. Food and Drug Administration (FDA) has granted Regenerative Medicine Advanced Therapy (RMAT) designation to OTL-200

All press releases naming this drug 34 releases

DateIssuerRelease

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 4 sources stand behind the page.

FieldValueCited text
Known as ATIDARSAGENE AUTOTEMCEL ChEMBL registry synonym — accepted as the source's own label CHEMBL4802262 ↗
Known as Lenmeldy ChEMBL registry synonym — accepted as the source's own label CHEMBL4802262 ↗
Known as Libmeldy ChEMBL registry synonym — accepted as the source's own label CHEMBL4802262 ↗
Known as OTL-200 ClinicalTrials.gov intervention name — accepted as the source's own label NCT01560182 ↗
2

NCT03392987 ↗

NCT04283227 ↗

Action Restore “a functional ARSA cDNA is introduced” NCT01560182 ↗
Route Intravenous “intravenous (IV) infusion of OTL-200 gene therapy” NCT03392987 ↗
Target ARSA “lentiviral vector that encodes for the human ARSA cDNA sequence” NCT03392987 ↗