NCT03920540

Brief Summary

The objective of this study is to evaluate the efficacy of GC1111 in Hunter Syndrome Patients

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at below P25 for phase_3

Timeline
Completed

Started Mar 2017

Longer than P75 for phase_3

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 9, 2017

Completed
2.1 years until next milestone

First Submitted

Initial submission to the registry

April 16, 2019

Completed
3 days until next milestone

First Posted

Study publicly available on registry

April 19, 2019

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 15, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 15, 2022

Completed
Last Updated

April 16, 2024

Status Verified

April 1, 2024

Enrollment Period

4.9 years

First QC Date

April 16, 2019

Last Update Submit

April 14, 2024

Conditions

Keywords

GC1111Mucopolysaccharidosis IIMPS IIidursulfase-betaIDS

Outcome Measures

Primary Outcomes (1)

  • Change in 6-MWT

    at Week 53 from baseline

Study Arms (2)

GC1111

EXPERIMENTAL

In 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.

Combination Product: GC1111

Comparator (Part 1)

ACTIVE COMPARATOR

In Part 1, all participants who randomized into comparator arm should receive the GC1111 for 52 weeks.

Combination Product: Comparator

Interventions

GC1111COMBINATION_PRODUCT

GC1111 is 0.5mg per kg of body weight once weekly to be administered slowly by intravenous infusion.

GC1111
ComparatorCOMBINATION_PRODUCT

Comparator is 0.5mg per kg of body weight once weekly to be administered slowly by intravenous infusion.

Comparator (Part 1)

Eligibility Criteria

Age5 Years+
Sexmale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

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

Location

MeSH Terms

Conditions

Mucopolysaccharidosis IISudden Infant Death

Condition Hierarchy (Ancestors)

X-Linked Intellectual DisabilityIntellectual DisabilityNeurobehavioral ManifestationsNeurologic ManifestationsNervous System DiseasesGenetic Diseases, X-LinkedGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesHeredodegenerative Disorders, Nervous SystemMucopolysaccharidosesCarbohydrate Metabolism, Inborn ErrorsMetabolism, Inborn ErrorsLysosomal Storage DiseasesMucinosesConnective Tissue DiseasesSkin and Connective Tissue DiseasesMetabolic DiseasesNutritional and Metabolic DiseasesDeath, SuddenDeathPathologic ProcessesPathological Conditions, Signs and SymptomsInfant Death

Study Officials

  • DongKyu Jin, M.D., Ph.D.

    Samsung Medical Center

    PRINCIPAL INVESTIGATOR

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

Locations