Clinical trial

A Phase I/II Study of JR-141 in Patients With Mucopolysaccharidosis Type II

Name
JR-141-101
Description
The purpose of this study in patients with mucopolysaccharidosis type II (MPS II) is below, * to collect the safety information of JR-141 * to evaluate the plasma pharmacokinetics of JR-141 * to explore the efficacy of JR-141 on MPS II-related central nervous system symptoms and general symptoms
Trial arms
Trial start
2017-03-30
Estimated PCD
2017-10-04
Trial end
2017-10-04
Status
Completed
Phase
Early phase I
Treatment
JR-141
IV infusion (lyophilized powder), 0.01-2.0 mg/kg/week
Arms:
Experimental: JR-141
Size
14
Primary endpoint
Number of participants with Adverse Events
4 weeks
Eligibility criteria
Inclusion Criteria: * Patients aged 6 years or older at the time of informed consent. * Patients diagnosed with MPS II. * Patients who have received idursulfase (0.5 mg/kg/week) continuously for at least 12 weeks until the initial dose of JR-141. Exclusion Criteria: * Patients with a history of hematopoietic stem cell transplantation, excluding those who need enzyme replacement therapy even after hematopoietic stem cell transplantation. * Patients in whom lumbar puncture cannot be performed. * Patients who have developed serious drug allergy or hypersensitivity that is inappropriate for participation in the study. * Patients who have received other investigational products within 4 months before enrollment in the study.
Protocol
{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE1', 'PHASE2'], 'designInfo': {'allocation': 'NA', 'interventionModel': 'SEQUENTIAL', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'NONE'}}, 'enrollmentInfo': {'count': 14, 'type': 'ACTUAL'}}
Updated at
2022-11-14

1 organization

1 product

1 indication

Product
JR-141
Indication
MPS II