Status:

RECRUITING

A Study to Evaluate the Safety, Efficacy, PK, PD and Immunogenicity of Cipaglucosidase Alfa/Miglustat in IOPD Subjects Aged 0 to <18

Lead Sponsor:

Amicus Therapeutics

Conditions:

Glycogen Storage Disease Type II Infantile Onset

Eligibility:

All Genders

Up to 17 years

Phase:

PHASE3

Brief Summary

This is a Phase 3, open-label, multicenter study to evaluate the safety, efficacy, PK, PD, and immunogenicity of cipaglucosidase alfa/miglustat treatment in ERT-experienced and ERT-naïve pediatric sub...

Eligibility Criteria

Inclusion

  • Cohort 1:
  • Male or female subjects who are aged 6 months to \< 18 years on Day 1
  • Subject must have documentation of IOPD genotype
  • Subject must have had hypertrophic cardiomyopathy at the time of diagnosis
  • Subject must have received ERT for at least 6 months immediately before enrollment. For subjects whose ERT dosage has been modified, the subject must have been on the modified dosage and regimen for at least 3 months before enrollment
  • Subjects aged ≥ 12 to \< 18 years must perform one valid 6-minute walk test (6MWT) (≥ 75 meters) at screening; Subjects aged ≥ 5 to \< 12 years must perform one valid 6MWT (≥ 40 meters) at screening; Subjects aged 18 months to \< 5 years must be ambulatory and assessed to be likely to be able to perform 6MWT (≥ 40 meters) when they turn 5 years old
  • Subjects must have experienced a clinical decline on their current rhGAA dose and frequency
  • Cohort 2:
  • Male or female subjects who are aged 0 to \<6 months at Day 1
  • Subject must have documentation of IOPD genotype
  • Subject must have had hypertrophic cardiomyopathy at the time of diagnosis
  • Subject is ERT-naïve
  • Long-term Extension (Cohort 1 or Cohort 2):
  • 1\. Subject must have, in the opinion of the investigator, benefited from therapy with cipaglucosidase alfa/miglustat during the 104-week primary treatment period with no significant safety concerns.

Exclusion

  • Cohort 1 and Cohort 2, unless specified
  • Subject requires invasive ventilation (eg, tracheostomy)
  • Subject is CRIM negative and has not received prophylactic immunomodulation (Cohort 1); Subject is CRIM negative and will not be receiving prophylactic immunomodulation (Cohort 2)
  • Subject has a history of life-threatening IARs/hypersensitivity (eg, anaphylaxis and severe cutaneous reactions) to ERT (eg, alglucosidase alfa, cipaglucosidase alfa, miglustat) or other iminosugars, or to any of the excipients, where rechallenge was unsuccessful
  • Subject has prior history of illness or condition known to affect motor function
  • Female subject is pregnant (or intends to get pregnant) or breastfeeding at screening (Cohort 1)

Key Trial Info

Start Date :

July 18 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2027

Estimated Enrollment :

36 Patients enrolled

Trial Details

Trial ID

NCT04808505

Start Date

July 18 2023

End Date

April 1 2027

Last Update

November 17 2025

Active Locations (14)

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Page 1 of 4 (14 locations)

1

University of Florida Clinical Research Center

Gainesville, Florida, United States, 32610

2

The Emory Clinic

Atlanta, Georgia, United States, 30322

3

Duke University Early Phase Research Unit

Durham, North Carolina, United States, 27710

4

Cincinnati Children's Hospital Medical Center

Cincinnati, Ohio, United States, 54229