- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02898753
VAL-1221 Delivered Intravenously in Ambulatory and Ventilator-free Participants With Late-Onset Pompe Disease
A Three-Month, Open-Label, Randomized, Dose-escalation Study of the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of VAL-1221 Versus Myozyme®/Lumizyme® in Patients With Late-Onset GSD-II (Pompe Disease) Followed by Open-Label Treatment With VAL-1221 in All Patients
Study Overview
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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London, United Kingdom, WC1N 3BG
- National Hospital For Neurology and Neurosurgery
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California
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Orange, California, United States, 92868
- University of California, Irvine
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North Carolina
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Durham, North Carolina, United States, 27710
- Duke University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Participant is able and willing to provide informed consent prior to any study procedures are performed
Diagnosis of GSDII based on one of the following:
- Endogenous cultured skin fibroblast GAA activity less than (<) 40 percent (%) of adult normal level
- Endogenous whole blood or dried blood spot GAA activity in deficiency range
- Genetic analysis showing pathogenic variants in both alleles
- Onset of Pompe disease-related symptoms after 1 year of age
- Previously treated with Myozyme or Lumizyme for at least 12 months and on a stable regimen for the past 6 months
Sexually active participants who are willing to use an acceptable method of contraception (abstinence, oral contraceptives, barrier method with spermicide, surgical sterilization, implanted or injectable contraceptives with a stable dose for at least 1 month prior to Baseline, hormonal intra-uterine device [IUD] inserted at least 1 month prior to Baseline) during the study and for 30 days after completion of treatment
- If participant is female and not considered to be of childbearing potential, she is at least 2 years post-menopause, has undergone a tubal ligation, a total hysterectomy or bilateral oophorectomy
- If participant is female and of childbearing potential, she has a negative serum pregnancy test during screening and Baseline and must be willing to undergo pregnancy testing at specific intervals during the study
- Participant meets at least one of the following criteria: greater than (>) 30% and <80% predicted upright forced volume capacity (FVC) or participant is able to walk >20% but <80% predicted normal on 6-minute walk test with or without use of assistive devices
- Able to comply with protocol requirements
Exclusion Criteria:
- Cardiac involvement in first year of life
- Anti-GAA antibody titers >1:51,200 at two time points
- Prior use of chaperone therapy for GSD-II within the last 12 months
- Use of immunosuppressive medication other than glucocorticoids within 6 months prior to study enrollment
- Use of invasive ventilatory assistance other than Bilevel Positive Airway Pressure (BiPAP) at night or during periods of rest
- Has received any investigational medication or has enrolled in any study involving investigational drugs or therapies within 30 days prior to first dose of study drug
- Start of or change in usual regimen of albuterol or respiratory muscle training within 30 days prior to first dose of study drug
- History of sensitivity to any of the constituents of the study drug
- Participant is breastfeeding or planning to become pregnant or to breastfeed during the study or is currently breastfeeding
- Participant has a medical condition or circumstance that, in the opinion of the investigator, might compromise the participant's ability to comply with the protocol or the participant's well-being or safety
- Participant has any condition that, in the view of the investigator, places the participant at high risk of poor treatment compliance or of not completing the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: VAL-1221 3 mg/kg
Part 1: Participants will receive VAL-1221 3 mg/kg IV infusion every other week for 12 weeks, inclusive, for a total of 7 infusions. Part 2: Participants from Part 1 of the study who were randomized to VAL-1221 3 mg/kg can enter Part 2 of the study and receive VAL-1221 at a dose of 3 mg/kg IV infusion every other week. The dose can be increased by the Investigator to 10 mg/kg and further to 30 mg/kg (after at least 12 weeks of dosing at 10 mg/kg), depending upon the pharmacodynamics, efficacy, and safety data. |
VAL-1221 3, 10, or 30 mg/kg as per the dose and schedule specified in the arm group description
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Experimental: VAL-1221 10 mg/kg
Part 1: Participants will receive VAL-1221 10 mg/kg IV infusion every other week for 12 weeks, inclusive, for a total of 7 infusions. Part 2: Participants from Part 1 of the study who were randomized to VAL-1221 10 mg/kg can enter Part 2 of the study and receive VAL-1221 at a dose of 10 mg/kg IV infusion every other week. The dose can be increased by the Investigator to 30 mg/kg IV infusion, depending upon the pharmacodynamics, efficacy, and safety data. |
VAL-1221 3, 10, or 30 mg/kg as per the dose and schedule specified in the arm group description
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Experimental: VAL-1221 30 mg/kg
Part 1: Participants will receive VAL-1221 30 mg/kg IV every other week for 12 weeks, inclusive, for a total of 7 infusions. Part 2: Participants from Part 1 of the study who were randomized to VAL-1221 30 mg/kg can enter Part 2 of the study and receive VAL-1221 at a dose of 30 mg/kg IV inufsion every other week. |
VAL-1221 3, 10, or 30 mg/kg as per the dose and schedule specified in the arm group description
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Active Comparator: rhGAA
Part 1: Participants will be maintained on their current dose and regimen of Myozyme or Lumizyme. Part 2: Participants from Part 1 of the study who were randomized to rhGAA can enter Part 2 of the study and receive VAL-1221 either 3 mg/kg, 10 mg/kg, or 30 mg/kg (based on the dose of VAL-1221 in respective cohorts to which they were randomized in Part 1) IV infusion every other week. |
VAL-1221 3, 10, or 30 mg/kg as per the dose and schedule specified in the arm group description
Active comparator
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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Number of Treatment-related Treatment-emergent Adverse Events (TEAEs)
Time Frame: Baseline of Study Part 1 though Month 24 of Study Part 2
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Baseline of Study Part 1 though Month 24 of Study Part 2
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Number of Participants With Infusion-Associated Reactions to VAL-1221
Time Frame: Baseline of Study Part 1 though Month 24 of Study Part 2
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Baseline of Study Part 1 though Month 24 of Study Part 2
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Percentage of Participants with Anti-VAL-1221 Antibodies
Time Frame: Baseline of Study Part 1 though Month 24 of Study Part 2
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Baseline of Study Part 1 though Month 24 of Study Part 2
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Percentage of Participants with GAA Antibodies
Time Frame: Baseline of Study Part 1 though Month 24 of Study Part 2
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Baseline of Study Part 1 though Month 24 of Study Part 2
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Pharmacokinetics of VAL-1221 in Plasma: Maximum Observed Concentration (Cmax)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Pharmacokinetics of VAL-1221 in Plasma: Time to Reach Maximum Concentration (Tmax)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Pharmacokinetics of VAL-1221 in Plasma: Area Under the Concentration Time Curve (AUC)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Pharmacokinetics of VAL-1221 in Plasma: Terminal Elimination Half-Life ( t1/2)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Pharmacokinetics of VAL-1221 in Plasma: Apparent Total Body Clearance (CL)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Pharmacokinetics of VAL-1221 in Plasma: Apparent Volume (V)
Time Frame: Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Part 1: Pre-infusion, end of infusion (EOI) (infusion duration 1 mg/kg/hour), at 0.25, 0.5, 1, 2, 4, 12, 24, 48 and 336 hours after EOI on Days 1, 2, 3 and Week 12; Part 2: Pre-infusion on Weeks 12, 14, 16, 18, 20, 22, Months 12, 24, 36
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Change from Baseline in Urinary Hexose Tetrasaccharide (hex4) Excretion at Week 12, Months 6, 9, and 12
Time Frame: Baseline of Study Part 1, Week 12 of Study Part 1, Months 12, 24, and 36 of Study Part 2
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Baseline of Study Part 1, Week 12 of Study Part 1, Months 12, 24, and 36 of Study Part 2
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Change from Baseline in Serum Creatine Kinase (CK) at Week 12, Months 6, 9, and 12
Time Frame: Baseline of Study Part 1, Week 12 of Study Part 1, Months 12, 24, and 36 of Study Part 2
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Baseline of Study Part 1, Week 12 of Study Part 1, Months 12, 24, and 36 of Study Part 2
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Change from Baseline in the Amount of Acid Alpha Glucosidase (GAA) Activity Present in Muscle at Week 12
Time Frame: Baseline of Study Part 1, Week 12 of Study Part 1
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Baseline of Study Part 1, Week 12 of Study Part 1
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Change from Baseline in the Muscle Glycogen Content at Week 12
Time Frame: Baseline of Study Part 1, Week 12 Study Part 1
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Baseline of Study Part 1, Week 12 Study Part 1
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Change from Baseline in Creatinine Excretion at Months 6, 9, and 12
Time Frame: Baseline of Study Part 1, Months 12, 24, 36 of Study Part 2
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Baseline of Study Part 1, Months 12, 24, 36 of Study Part 2
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Hal Landy, MD, Valerion Therapeutics, LLC
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Genetic Diseases, Inborn
- Carbohydrate Metabolism, Inborn Errors
- Metabolism, Inborn Errors
- Lysosomal Storage Diseases
- Brain Diseases, Metabolic
- Brain Diseases, Metabolic, Inborn
- Lysosomal Storage Diseases, Nervous System
- Glycogen Storage Disease
- Glycogen Storage Disease Type II
Other Study ID Numbers
- VAL1221-201-16
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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