A Study to Evaluate the Safety, Efficacy, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of cipaglucosidase alfa/miglustat in both ERT-experienced and ERT-naïve children under 18 Years with Infantile-onset Pompe Disease
- Conditions
- Pediatric Subjects with Infantile-onset Pompe Disease Aged 0 to < 18 YearsMedDRA version: 20.0Level: LLTClassification code: 10075700Term: Pompe's disease infantile onset Class: 10010331Therapeutic area: Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
- Registration Number
- CTIS2022-501095-25-01
- Lead Sponsor
- Amicus Therapeutics Inc.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot Recruiting
- Sex
- All
- Target Recruitment
- 31
Cohort 1: 1. Male or female subjects who are aged 6 months to < 18 years on Day 1., Cohort 2: 2. Subject’s parent or legally authorized representative is willing and able to provide written informed consent and authorization for study participation and use and disclosure of personal health information or research-related health information., Cohort 2: 3. Subject must have documentation of bi-allelic gene encoding human acid a-glucosidase (GAA) variants prior to initiation of study drug., Cohort 2: 4. Subject must have had hypertrophic cardiomyopathy at the time of diagnosis defined as: • > 1 standard deviation above the mean age-specific LVMI for subjects diagnosed by newborn screening or sibling screening • > 2 standard deviations above the mean age-specific LVMI for subjects diagnosed by clinical evaluation, Cohort 2: 5. Subject is ERT-naïve (having had no prior ERT-treatment)., Long-term Extension (Cohort 1 or Cohort 2) Inclusion Criteria: 1. Subject must have, in the opinion of the investigator, benefitted from therapy with cipaglucosidase alfa/miglustat during the 104-week primary treatment period (Stage 1) with no significant safety concerns., Cohort 1: 2. Subject's parent or legally authorized representative is willing and able to provide written informed consent and authorization for study participation and use and disclosure of personal health information or research-related health information., Cohort 1: 3. Subject must have documentation of bi-allelic gene encoding human acid a-glucosidase (GAA) variants prior to initiation of study drug., Cohort 1: 4. Subject must have had hypertrophic cardiomyopathy at the time of diagnosis defined as: • > 1 standard deviation above the mean age-specific left ventricle mass index (LVMI) for subjects diagnosed by newborn screening or sibling screening • > 2 standard deviations above the mean age-specific LVMI for subjects diagnosed by clinical evaluation, Cohort 1: 5. 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., Cohort 1: 6. Subject must have experienced a clinical decline based on the protocol-specified criteria on their current rhGAA dose and frequency., Cohort 1: 7. If of reproductive potential and sexually active, female and male subjects must agree to use a highly effective method of contraception throughout the duration of the study and for at least 90 days after their last dose of cipaglucosidase alfa/miglustat., Cohort 1: 8. For subjects aged = 12 to < 18 years, subject must perform one 6-minute walk test (6MWT) (= 75 meters) at screening that is valid, as determined by the clinical evaluator; for subjects aged = 5 to < 12 years, subject must perform one 6MWT (= 40 meters) at screening that is valid, as determined by the clinical evaluator. Subjects aged 18 months to < 5 years must be ambulatory and in the opinion of the investigator assessed to be likely to be able to perform 6MWT (= 40 meters) when they turn 5 years old., Cohort 2: 1. Male or female subjects who are aged 0 to < 6 months at on Day 1.
Cohort 1: 1. Subject requires invasive ventilation (eg, tracheostomy)., Cohort 1: 10. In the opinion of the investigator, the parent or legally authorized representative is unlikely or unable to comply with the study requirements., Cohort 2: 1. Subject requires invasive ventilation (eg, tracheostomy)., Cohort 2: 2. Subject requires respiratory assistance for = 16 hours per day (including noninvasive ventilator support) continuously for = 14 days in the absence of an acute reversible illness, excluding perioperative ventilation., Cohort 2: 3. Subject received any investigational drug or any investigational biologic for Pompe disease within 30 days or 5 half-lives of the therapy or treatment, whichever is longer, before screening., Cohort 2: 4. Subject is CRIM-negative and will not be receiving prophylactic immunomodulation., Cohort 2: 5. Subject has received any gene therapy at any time., Cohort 2: 6. Subject has any intercurrent illness or condition at screening or baseline that may preclude the subject from fulfilling the protocol requirements or suggests to the investigator and/or the medical monitor that the potential subject may have an unacceptable risk by participating in this study., Cohort 2: 7. Subject has any prior history of illness or condition known to affect motor function, such as, but not limited to, Guillain Barre syndrome, cerebral palsy, etc., Cohort 2: 8. 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., Cohort 2: 9. In the opinion of the investigator, the parent or legally authorized representative is unlikely or unable to comply with the study requirements., Cohort 1: 2. Subject requires respiratory assistance for = 16 hours per day (including noninvasive ventilator support) continuously for = 14 days in the absence of an acute reversible illness, excluding perioperative ventilation., Cohort 1: 3. Subject received any investigational drug or any investigational biologic for Pompe disease within 30 days or 5 half-lives of the therapy or treatment, whichever is longer, before screening., Cohort 1: 4. Subject is CRIM-negative and has not received prophylactic immunomodulation., cohort 1: 5. Subject has received any gene therapy within the past 3 years., Cohort 1: 6. Subject has any intercurrent illness or condition at screening or baseline that may preclude the subject from fulfilling the protocol requirements or suggests to the investigator and/or the medical monitor that the potential subject may have an unacceptable risk by participating in this study., Cohort 1: 7. Subject has any prior history of illness or condition known to affect motor function, such as, but not limited to, Guillain Barre syndrome, cerebral palsy, etc., Cohort 1: 8. Subject has a history of life-threatening infusion-associated reactions (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., Cohort 1: 9. Female subject is pregnant (or intends to get pregnant) or breastfeeding at screening.
Study & Design
- Study Type
- Interventional clinical trial of medicinal product
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method