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Post-marketing Clinical Study of IZCARGO in Patients with Mucopolysaccharidosis Type II

Post-marketing Clinical Study of IZCARGO in Patients with Mucopolysaccharidosis Type II

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031210126
Enrollment
20
Registered
2021-05-31
Start date
2021-07-27
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

mucopolysaccharidosis type II (MPS II)

Interventions

[Post-marketing clinical study drug] Name - Post-marketing clinical study drug (code): IZCARGO for I.V. infusion 10 mg (test drug code: JR-141) - Nonproprietary name International nonproprietary name

Sponsors

Ibaraki Ryo
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) A patient from whom written informed consent can be obtained. Or, a patient from whom written informed consent can be obtained from the patient's legally acceptable representative if the patient is a minor at the time of informed consent or whose willingness to participate in the study cannot be confirmed intellectual disability (however, written informed consent should be obtained from the patient, wherever possible) 2) A patient diagnosed with MPS II comprehensively based on decreased activity of iduronate-2-sulfatase (IDS) in leucocytes, plasma, or cultured skin fibroblasts, genetic analysis, etc. 3) Male patient whose partner is of child-bearing potential or female patient who agrees to use a medically accepted, highly effective method of contraception.

Exclusion criteria

Exclusion criteria: 1) A patient who has received IZCARGO treatment 2) A patient with a history of hematopoietic stem cell transplantation, unless enzyme replacement therapy is required after hematopoietic stem cell transplantation 3) A patient who has received gene therapy 4) A patient who has received intracerebroventricular injection of IDS 5) A patient who has developed serious drug allergy or hypersensitivity that, in the opinion of the post-marketing clinical study investigator or post-marketing clinical study subinvestigator, is inappropriate for participation in the study 6) A patient who has received investigational product within 4 months before enrollment in the study 7) A patient who, in the opinion of the post-marketing clinical study investigator or post-marketing clinical study subinvestigator, is ineligible to participate in the study

Design outcomes

Primary

MeasureTime frame
1) Time course of developmental assessment (KSPD, Vineland-II, and Bayley-III/KABC-II) 2) Time course of T.O.V.A. 3) Time course of HS and DS concentrations in CSF 4) Time course of serum HS and DS concentrations 5) Time course of urinary HS and DS concentrations 6) Time course of liver and spleen volumes (CT or MRI) 7) Time course of walk distance at the 6-minute walk test

Contacts

Public ContactRyo Ibaraki

JCR Pharmaceuticals Co., Ltd.

clinical_development@jp.jcrpharm.com+81-797-32-8582

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026