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A Phase I-II, Study of Autologous CD34+ Haematopoietic Stem Cells Transduced Ex Vivo with CD11b Lentiviral Vector Encoding for Human SGSH in Patients with Mucopolysaccharidosis Type IIIA (MPS IIIa, Sanfilippo Syndrome Type A)

Trial Profile

A Phase I-II, Study of Autologous CD34+ Haematopoietic Stem Cells Transduced Ex Vivo with CD11b Lentiviral Vector Encoding for Human SGSH in Patients with Mucopolysaccharidosis Type IIIA (MPS IIIa, Sanfilippo Syndrome Type A)

Status: Active, no longer recruiting
Phase of Trial: Phase I/II

Latest Information Update: 04 Apr 2025

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At a glance

  • Drugs OTL 201 (Primary)
  • Indications Mucopolysaccharidosis III
  • Focus Adverse reactions; First in man; Proof of concept; Therapeutic Use

Most Recent Events

  • 30 Mar 2025 Planned End Date changed from 30 Oct 2024 to 30 Oct 2026.
  • 02 Feb 2024 According to an Orchard Therapeutics media release, an updated neurocognitive and biochemical results from this proof-of-concept study will be featured at the 20th Annual WORLDSymposium™ taking place February 4-9, 2024, in San Diego, California.
  • 15 May 2023 According to an Orchard Therapeutics media release, New and updated biochemical and early neurocognitive results will be presented at ASGCT will include follow-up of the earliest treated patients now exceeds 2.5 year.

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