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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04138277
Registration number
NCT04138277
Ethics application status
Date submitted
18/10/2019
Date registered
24/10/2019
Titles & IDs
Public title
A Study to Assess the Long-term Safety and Efficacy of ATB200/AT2221 in Adult Subjects With LOPD
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Scientific title
A Phase 3 Open-label Extension Study to Assess the Long-term Safety and Efficacy of Intravenous ATB200 Co-administered With Oral AT2221 in Adult Subjects With Late Onset Pompe Disease
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Secondary ID [1]
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ATB200-07
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Pompe Disease (Late-onset)
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Condition category
Condition code
Metabolic and Endocrine
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Metabolic disorders
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Metabolic and Endocrine
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Other metabolic disorders
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - AT2221
Treatment: Other - ATB200
Experimental: ATB200/AT2221 - Participants received ATB200 co-administered with AT2221 capsule (Miglustat)
Treatment: Drugs: AT2221
Participants received ATB200 co-administered with AT2221 (Miglustat)
Treatment: Other: ATB200
Enzyme Replacement Therapy via intravenous infusion
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Intervention code [1]
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Treatment: Drugs
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Intervention code [2]
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Treatment: Other
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Proportion of participants with Treatment Emergent Adverse Events (TEAE)
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Assessment method [1]
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Timepoint [1]
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baseline, up to approximately 4 years
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Secondary outcome [1]
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6-Minute Walk Test
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Assessment method [1]
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Change in 6MWD from baseline to assess the efficacy of ATB200/AT2221 co-administration
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Timepoint [1]
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baseline, up to approximately 4 years
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Secondary outcome [2]
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Pulmonary Function - Forced vital capacity (FVC)
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Assessment method [2]
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Change from baseline in FVC (sitting) to assess the efficacy of ATB200/AT2221 co-administration
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Timepoint [2]
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baseline, up to approximately 4 years
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Secondary outcome [3]
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Change from baseline in muscle strength measured by Quantitative Muscle Strength testing
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Assessment method [3]
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Timepoint [3]
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baseline, up to approximately 4 years
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Secondary outcome [4]
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Change from baseline in muscle strength measured by Manual Muscle Strength testing
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Assessment method [4]
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Timepoint [4]
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baseline, up to approximately 4 years
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Secondary outcome [5]
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The Rasch-built Pompe-specific activity (R-PAct) questionnaires
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Assessment method [5]
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Change in R-Pact from baseline to assess the efficacy of ATB200/AT2221 co-administration
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Timepoint [5]
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baseline, up to approximately 4 years
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Secondary outcome [6]
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EuroQol 5 Dimensions 5 Levels (EQ-5D-5L) questionnaires
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Assessment method [6]
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Change from baseline in scores of EQ-5D-5L questionnaire to assess the efficacy of ATB200/AT2221 co-administration.
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Timepoint [6]
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baseline, up to approximately 4 years
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Secondary outcome [7]
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Change from baseline in scores of PROMIS - physical function questionnaire
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Assessment method [7]
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Timepoint [7]
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baseline, up to approximately 4 years
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Secondary outcome [8]
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Change from baseline in scores of PROMIS - fatigue questionnaire
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Assessment method [8]
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Timepoint [8]
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baseline, up to approximately 4 years
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Secondary outcome [9]
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Change from baseline in scores of PROMIS - dyspnea questionnaire
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Assessment method [9]
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Timepoint [9]
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baseline, up to approximately 4 years
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Secondary outcome [10]
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Change from baseline in scores of PROMIS - upper extremity questionnaire
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Assessment method [10]
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Timepoint [10]
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baseline, up to approximately 4 years
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Secondary outcome [11]
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Motor Function - Gait, Stairs, Gower, Chair (GSGC) test
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Assessment method [11]
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Change from baseline in GSGC score to assess the efficacy of ATB200/AT2221 co-administration.
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Timepoint [11]
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baseline, up to approximately 4 years
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Secondary outcome [12]
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Physician's Global Impression of Change
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Assessment method [12]
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Change in the Physician's Global Impression of Change (PGIC) evaluation to assess the efficacy of ATB200/AT2221 co-administration.
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Timepoint [12]
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baseline, up to approximately 4 years
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Secondary outcome [13]
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Subject's Global Impression of Change
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Assessment method [13]
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Change from baseline in scores of Subject's Global Impression of Change (SGIC) questionnaire to assess the efficacy of ATB200/AT2221 co-administration.
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Timepoint [13]
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baseline, up to approximately 4 years
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Secondary outcome [14]
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Change from baseline Biomarker -CK
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Assessment method [14]
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Timepoint [14]
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baseline, up to approximately 4 years
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Secondary outcome [15]
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Change from baseline Biomarker -uHex4
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Assessment method [15]
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Timepoint [15]
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baseline, up to approximately 4 years
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Secondary outcome [16]
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Immunogenicity: Incidence of neutralizing
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Assessment method [16]
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Timepoint [16]
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baseline, up to approximately 4 years
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Secondary outcome [17]
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Immunogenicity: anti-drug antibodies
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Assessment method [17]
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Timepoint [17]
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baseline, up to approximately 4 years
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Eligibility
Key inclusion criteria
1. Subject must have completed Study ATB200-03.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Exclusion Criteria
1. Subject plans to receive gene therapy or participate in another interventional study for Pompe disease.
2. Subject, if female, is pregnant or breastfeeding.
3. Subject, whether male or female, is planning to conceive a child during the study.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
18/12/2019
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/12/2024
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Actual
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Sample size
Target
110
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,VIC
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Recruitment hospital [1]
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Westmead Hospital - Westmead
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Recruitment hospital [2]
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Royal Brisbane & Women's Hospital - Brisbane
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Recruitment hospital [3]
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Royal Adelaide Hospital - Adelaide
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Recruitment hospital [4]
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Monash Medical Centre - Clayton
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Recruitment postcode(s) [1]
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- Westmead
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Recruitment postcode(s) [2]
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4029 - Brisbane
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Recruitment postcode(s) [3]
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5000 - Adelaide
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Recruitment postcode(s) [4]
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3168 - Clayton
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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Arkansas
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Country [2]
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United States of America
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State/province [2]
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California
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Country [3]
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United States of America
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State/province [3]
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Florida
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Country [4]
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United States of America
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State/province [4]
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Georgia
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Country [5]
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United States of America
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State/province [5]
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Indiana
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Country [6]
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United States of America
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State/province [6]
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Missouri
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Country [7]
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United States of America
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State/province [7]
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Montana
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Country [8]
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0
United States of America
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State/province [8]
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New Jersey
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Country [9]
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0
United States of America
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State/province [9]
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New York
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Country [10]
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0
United States of America
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State/province [10]
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North Carolina
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Country [11]
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United States of America
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State/province [11]
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Ohio
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Country [12]
0
0
United States of America
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State/province [12]
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Pennsylvania
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Country [13]
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0
United States of America
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State/province [13]
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Utah
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Country [14]
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United States of America
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State/province [14]
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Virginia
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Country [15]
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Argentina
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State/province [15]
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Buenos Aires
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Country [16]
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Austria
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State/province [16]
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Innsbruck
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Country [17]
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Belgium
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State/province [17]
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Leuven
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Country [18]
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Bosnia and Herzegovina
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State/province [18]
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The Republic Of Srpska
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Country [19]
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Canada
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State/province [19]
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Alberta
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Country [20]
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Canada
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State/province [20]
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Ontario
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Country [21]
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Denmark
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State/province [21]
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Aarhus
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Country [22]
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France
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State/province [22]
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Bron
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Country [23]
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France
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State/province [23]
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Garches
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Country [24]
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France
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State/province [24]
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Lille
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Country [25]
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France
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State/province [25]
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Marseille
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Country [26]
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France
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State/province [26]
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Nice
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Country [27]
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Germany
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State/province [27]
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Bonn
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Country [28]
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Germany
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State/province [28]
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München
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Country [29]
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Germany
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State/province [29]
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Münster
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Country [30]
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Greece
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State/province [30]
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Athens
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Country [31]
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Hungary
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State/province [31]
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Budapest
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Country [32]
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Hungary
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State/province [32]
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Pécs
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Country [33]
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Hungary
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State/province [33]
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Szeged
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Country [34]
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Italy
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State/province [34]
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Messina
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Country [35]
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Italy
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State/province [35]
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Napoli
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Country [36]
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Japan
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State/province [36]
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Fukuoka
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Country [37]
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Japan
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State/province [37]
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Kagashima
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Country [38]
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Japan
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State/province [38]
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Osaka
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Country [39]
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Japan
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State/province [39]
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Sapporo
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Country [40]
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Japan
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State/province [40]
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Tokyo
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Country [41]
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Korea, Republic of
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State/province [41]
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Gyeongsangnam-do
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Country [42]
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Netherlands
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State/province [42]
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Rotterdam
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Country [43]
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New Zealand
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State/province [43]
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Auckland
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Country [44]
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Poland
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State/province [44]
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Podkarpackie
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Country [45]
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Slovenia
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State/province [45]
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Ljubljana
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Country [46]
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Spain
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State/province [46]
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Barcelona
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Country [47]
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Sweden
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State/province [47]
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Gothenburg
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Country [48]
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Taiwan
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State/province [48]
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Taipei
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Country [49]
0
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United Kingdom
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State/province [49]
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Birmingham
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Country [50]
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United Kingdom
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State/province [50]
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Cambridge
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Country [51]
0
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United Kingdom
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State/province [51]
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London
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Country [52]
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United Kingdom
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State/province [52]
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Salford
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Amicus Therapeutics
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a multicenter, international open-label extension study of ATB200/AT2221 in adult subjects with late-onset Pompe disease (LOPD) who completed Study ATB200-03.
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Trial website
https://clinicaltrials.gov/study/NCT04138277
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04138277