A Study to Evaluate the Safety, Efficacy, PK, PD and Immunogenicity of Cipaglucosidase Alfa/Miglustat in IOPD Subjects Aged 0 to <18 (ROSSELLA)
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ClinicalTrials.gov Identifier: NCT04808505 |
Recruitment Status :
Recruiting
First Posted : March 22, 2021
Last Update Posted : January 19, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Glycogen Storage Disease Type II Infantile Onset | Biological: Cipaglucosidase alfa Drug: Miglustat | Phase 3 |
Expanded Access : An investigational treatment associated with this study is available outside the clinical trial. More info ...
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 36 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | An Open-label Study to Evaluate the Safety, Efficacy, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of Cipaglucosidase Alfa/Miglustat in Both ERT-experienced and ERT-naïve Pediatric Subjects With Infantile-onset Pompe Disease Aged 0 to < 18 Years |
Estimated Study Start Date : | April 2023 |
Estimated Primary Completion Date : | April 2027 |
Estimated Study Completion Date : | April 2027 |

Arm | Intervention/treatment |
---|---|
Experimental: Cohort 1: Cipaglucosidase Alfa/Miglustat in ERT-experienced pediatric IOPD subjects
Pediatric IOPD subjects 6 months to <18 years experiencing clinical decline
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Biological: Cipaglucosidase alfa
Sterile lyophilized powder intravenous (IV) infusion
Other Name: ATB200 Drug: Miglustat 65 mg oral capsules
Other Name: AT2221 |
Experimental: Cohort 2: Cipaglucosidase Alfa/Miglustat in ERT-naïve pediatric IOPD subjects
Pediatric IOPD subjects <6 months
|
Biological: Cipaglucosidase alfa
Sterile lyophilized powder intravenous (IV) infusion
Other Name: ATB200 Drug: Miglustat 65 mg oral capsules
Other Name: AT2221 |
- Proportion of subjects with infusion-associated reactions (IARs) [ Time Frame: 104 weeks ]

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Ages Eligible for Study: | up to 17 Years (Child) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Cohort 1:
- Male or female subjects who are aged 6 months to < 18 years on Day 1
- Prior to initiation of study drug subject must have documentation of IOPD genotype, CRIM status, and no or low measurable GAA enzyme activity
- 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
- Prior to initiation of study drug subject must have documentation of IOPD genotype, CRIM status, and no or low measurable GAA enzyme activity
- Subject must have had hypertrophic cardiomyopathy at the time of diagnosis
- Subject is ERT-naïve
Exclusion Criteria:
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 hypersensitivity to any of the excipients in cipaglucosidase alfa, approved rhGAA, or miglustat
- 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)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04808505
Contact: For Site | 215-921-7600 | PompeSiteInfo@amicusrx.com | |
Contact: For Patient | 215-921-7600 | patientadvocacy@amicusrx.com |
United States, Florida | |
University of Florida Clinical Research Center | Recruiting |
Gainesville, Florida, United States, 32610 |
Responsible Party: | Amicus Therapeutics |
ClinicalTrials.gov Identifier: | NCT04808505 |
Other Study ID Numbers: |
ATB200-08 |
First Posted: | March 22, 2021 Key Record Dates |
Last Update Posted: | January 19, 2023 |
Last Verified: | January 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Glycogen Storage Disease Type II Glycogen Storage Disease Carbohydrate Metabolism, Inborn Errors Metabolism, Inborn Errors Genetic Diseases, Inborn Metabolic Diseases Lysosomal Storage Diseases, Nervous System Brain Diseases, Metabolic, Inborn Brain Diseases, Metabolic Brain Diseases Central Nervous System Diseases Nervous System Diseases |
Lysosomal Storage Diseases Miglustat Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Anti-HIV Agents Anti-Retroviral Agents Antiviral Agents Anti-Infective Agents Glycoside Hydrolase Inhibitors Hypoglycemic Agents Physiological Effects of Drugs |