A Study of GC1111 in Hunter Syndrom Patients
Phase 3, Double-blind, Randomized, Active-controlled (Part 1) and Open-labeled, Historical Placebo Controlled (Part 2) Study to Evaluate the Efficacy of Hunterase (Idursulfase-beta) in Hunter Syndrome (Mucopolysaccharidosis II) Patients
1 other identifier
interventional
32
1 country
1
Brief Summary
The objective of this study is to evaluate the efficacy of GC1111 in Hunter Syndrome Patients
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Mar 2017
Longer than P75 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 9, 2017
CompletedFirst Submitted
Initial submission to the registry
April 16, 2019
CompletedFirst Posted
Study publicly available on registry
April 19, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 15, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
February 15, 2022
CompletedApril 16, 2024
April 1, 2024
4.9 years
April 16, 2019
April 14, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in 6-MWT
at Week 53 from baseline
Study Arms (2)
GC1111
EXPERIMENTALIn part 1, all participants who randomized into GC1111 arm should receive the GC1111 for 52 weeks. In part 2, all enrolled participants should receive the GC1111 for 52 weeks.
Comparator (Part 1)
ACTIVE COMPARATORIn Part 1, all participants who randomized into comparator arm should receive the GC1111 for 52 weeks.
Interventions
GC1111 is 0.5mg per kg of body weight once weekly to be administered slowly by intravenous infusion.
Comparator is 0.5mg per kg of body weight once weekly to be administered slowly by intravenous infusion.
Eligibility Criteria
You may qualify if:
- Patients diagnosed with Hunter syndrome
- Male at the age of ≥ 5
- Adequate abilities (including 6-MWT) to participate in this study in the opinion of the investigator.
- Voluntarily signed written informed consent to participation in this study
- Consent to contraception
You may not qualify if:
- Prior treatment with iduronate-2-sulfatase ERT
- History of bronchotomy, bone marrow trasplanation, or cord blood transplanation.
- Known hypersensitivity reactions to any of the components of the invetigational product
- Prior or planned administration of other investigational products within 30 days before treatment with the investigational product in this study or duirng this study.
- Unable to perform 6-MWT.
- Female
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Samsug Medical Center
Seoul, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
DongKyu Jin, M.D., Ph.D.
Samsung Medical Center
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 16, 2019
First Posted
April 19, 2019
Study Start
March 9, 2017
Primary Completion
February 15, 2022
Study Completion
February 15, 2022
Last Updated
April 16, 2024
Record last verified: 2024-04