NCT07640984

A Phase I/II Trial of JR-446 in Mucopolysaccharidosis Type IIIB (MPS IIIB)

Not Yet Recruiting
PHASE1Up to 5InterventionalTreatment
JCR Pharmaceuticals Co., Ltd.
~12 participants
Updated 2026-09-08 on ClinicalTrials.gov
What's tested:JR-446

At a glance

Recruiting sites
0 of 5 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
To establish the safety and tolerability of JR-446 in MPS IIIB patients following repeated dose administration
Measured over Up to 1 year (multiple visits)
Mucopolysaccharidosis IIIB

NCT07640984

Where you'd take part

This study runs at 5 sites. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • Children's Hospital Oakland Research Institution, Attn: 2900 Wing

    Oakland, Californiastudy coordinator listed

  • Great Ormond Street Hospital for Children

    London, United Kingdomstudy coordinator listed

  • Lysosomal and Rare Disorders Research and Treatment Center (LDRTC)

    Fairfax, Virginiastudy coordinator listed

  • University Medical Center Hamburg-Eppendorf

    Hamburg, Germanystudy coordinator listed

  • UPMC Children's Hospital of Pittsburgh

    Pittsburgh, Pennsylvaniastudy coordinator listed

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

Opens a ready-to-send draft in your own email app — review before sending.

  • To establish the safety and tolerability of JR-446 in MPS IIIB patients following repeated dose administrationUp to 1 year (multiple visits)

    Incidence and severity of treatment-emergent adverse events; Incidence and severity of infusion-associated reactions; Incidence of clinically significant changes/abnormalities in safety laboratory tests, vital signs, and electrocardiogram.