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Clinical Trial Summary

A multi-center randomized clinical trial to compare OTL-203 (gene therapy) with stem cell transplant (standard of care) in patients with MPS-IH (Hurler syndrome).


Clinical Trial Description

The study is a multi-center, randomized, active controlled clinical trial designed to evaluate the efficacy and safety of OTL-203 in patients with mucopolysaccharidosis type I, Hurler syndrome (MPS-IH) compared to standard of care with allogeneic hematopoietic stem cell transplantation (allo-HSCT). A total of 40 patients with a confirmed diagnosis of MPS-IH who meet the study inclusion criteria will be randomized to receive either OTL-203 or allo-HSCT. The trial will comprise of a screening, baseline, and treatment period, with a follow-up period of 5 years post-treatment, and primary analysis performed at 2 years follow-up of the last treated subject. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06149403
Study type Interventional
Source Orchard Therapeutics
Contact Orchard Medical Information
Phone +44 (0) 20 3808 8286
Email medinfo@orchard-tx.com
Status Recruiting
Phase Phase 3
Start date December 11, 2023
Completion date March 2031