Pompe DiseasePhase 4NCT00486889
Growth and Development Study of Alglucosidase Alfa
A Phase 4 study testing alglucosidase alfa in people with Pompe Disease and Glycogen Storage Disease Type II (GSD-II), run by Genzyme, a Sanofi Company at 3 sites in United States.
Trial summary
Pompe disease (also known as glycogen storage disease Type II) is a rare autosomal recessive metabolic muscle disease caused by the deficiency of acid α glucosidase (GAA), an enzyme that degrades lysosomal glycogen. Read more about this study
- Who is it for?
- Ages Up to 24 months
- Conditions the study is for
- Pompe Disease, Glycogen Storage Disease Type II (GSD-II), Acid Maltase Deficiency Disease
- What is being tested?
- alglucosidase alfa
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 12 participants
- Where
- 3 sitesUnited States
- Study dates
- 26 Aug 2008to 23 Nov 2021
- Phase
- Phase 4
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 24 months
- All sexes
- No healthy volunteers
- Child
Who may be able to join
- The participant or participant's legal guardian must have provided signed, informed consent prior to performing any study-related procedures.
- The participant must have had a confirmed diagnosis of Pompe disease as determined by deficient endogenous GAA activity or GAA mutation analysis.
- The participant must be less than (<) 1 year of age at time of study enrollment (and received alglucosidase alfa treatment before 1 year of age), or the participant must be between 1 year and 24 months of age and must have had initiated alglucosidase alfa treatment prior to turning 1 year of age.
Who cannot join
- The participant was participating in another clinical study using alglucosidase alfa or any investigational therapy.
Trial locations and contacts
3 sites in 1 country.
United States3 sites
Study site
Decatur, Georgia
Study site
Detroit, Michigan
Study site
Gainesville, Florida
About this study
Official title: A Long-term Study to Evaluate Growth and Development Outcomes in Patients With Infantile-Onset Pompe Disease Who Are Receiving Alglucosidase Alfa
Pompe disease (also known as glycogen storage disease Type II) is a rare autosomal recessive metabolic muscle disease caused by the deficiency of acid α glucosidase (GAA), an enzyme that degrades lysosomal glycogen. As opposed to the exclusively cytoplasmic accumulation of glycogen that occurs in other glycogen storage disorders, Pompe disease is characterized by organelle bound (lysosomal) and extra-lysosomal accumulation of glycogen in many body tissues, ultimately leading to multisystemic pathology. The overall objective of this study was to evaluate the long-term growth and development of participants with infantile-onset Pompe disease with alglucosidase alfa before 1 year of age. Participants were to be followed for a 10-year period.
- Being tested
- alglucosidase alfa
- Keywords
- Glycogenesis 2
- Medical subject headings
- Glycogen Storage Disease Type II
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
alglucosidase alfaBiological
Also called Myozyme®, Lumizyme®
Dose: 20 mg/kg every 2 weeks; Route of administration: Intravenous infusion
| Study group | Role | What they receive |
|---|---|---|
| Alglucosidase Alfa | Experimental | Participants received alglucosidase alfa 20 milligrams per kilogram (mg/kg) body weight as intravenous infusion every 2 weeks and were followed for 10 years or up to discontinuation from study treatment due to any reason. Receives: Biological: alglucosidase alfa |
What is being measured
The primary outcome is the main question the study is designed to answer.
Recumbent Height/Length of Participants in Centimeters (cm)
Height/Length of Participants was measured in centimeters. Week is denoted as Wk in time frame section.
Measured: Participants 1-12:Baseline, Participant1: Wk 52, Participant2: Wk82, Participants 3-4: Wk208, Participant5: Wk12, Participant6: Wk365, Participant7: Wk64, Participant8:Wk156, Participant9:Wk364, Participant10:Wk52, Participant11:Wk156, Participant12:Wk520
Body Weight of Participants in Kilograms (kg)
Body Weight of Participants was measured in Kilograms (kg). Week is denoted as Wk in time frame section.
Measured: Participant1-12:Baseline, Participant1:Wk 52, Participant2:Wk82, Participant3: Wk208,Participant4:Wk364,Participant5:Wk12,Participant6:Wk365,Participant7:Wk64,Participant8:Wk156,Participant9:Wk364,Participant10:Wk52,Participant11:Wk156,Participant12:Wk520
Head Circumference of Participants in Centimeters (cm)
Head Circumference of Participants was measured in Centimeters.
Measured: Participants1-12:Baseline, Participant1:Week(Wk)52, Participant2:Wk82, Participants3and4:Wk208, Participant5:Wk12, Participant6:Wk365, Participant7:Wk64, Participant8:Wk156, Participant9:Wk312, Participant10:Wk52, Participant11:Wk156, Participant12:Wk468
Motor Subscale of Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) Normative Composite Scores
Bayley-III: Instrument designed to measure developmental functioning of infants and toddlers between ages of 1 and 42 months (age adjustments for prematurity are accommodated with tool). Bayley-III administered up to 42 months of age and provides age specific norm-referenced composite scores for cognitive scales (91 items, composite score minimum 55 and maximum 145), language scale (98 items, composite score minimum 47 and maximum 153), motor scale (138 items, composite score minimum 46 and maximum 154) skills. For all raw scores (for scales), higher scores indicates greater number of developmental skills credited. For norm-based composite scales for motor scale, score of 100 defines average performance of given age group, scores of 85 and 115 are 1 standard deviation (SD) below an above mean, respectively, and scores of 70 and 130 are equivalent to 2 SD from mean.
Measured: Participants 1-12: Baseline, Participant-1: Week 52, Participant-2: Week 83, Participants 3 and 4: Week 104, Participant-6: Week 78, Participants 7 and 8: Week 26, Participant-9: Week 156, Participants 10 and 11: Week 26, Participant-12: Week 104
Gross Motor Function Measure (GMFM-88) Total Scores
GMFM-88 is developed specifically to detect quantitative changes in gross motor function that consists of 88 items organized into 5 dimensions: lying and rolling, sitting, crawling and kneeling, standing, and walking, running and jumping. Each item is scored on a 4-point Likert scale that ranges from 0 to 3, i.e., 0=cannot do; 1=initiated (less than [<] 10 percent [%] of task); 2=partially completed (10 to <100% of task); 3=task completion. The score for each dimension is expressed as percentage of the maximum score for that dimension. Total GMFM-88 score is obtained by adding percentage score for each dimension and dividing the sum by total number of dimensions. Total score ranges from 0 to 100, where higher score indicates better gross motor functions.
Measured: Participants 1-12: Baseline, Participants 1 and 2: Wk 52, Participants 3 and 4: Wk 208, Participant-6: Wk 359, Participant-7: Wk 26, Participant-8: Wk 156, Participant-9: Wk 312, Participant-11: Wk 156, Participant-12: Wk416
Pompe Pediatric Evaluation of Disability Inventory (Pompe PEDI) Scaled Scores
Pompe PEDI is disease specific version of PEDI developed to assess functional capabilities and performance in children with Pompe disease from 2 months up to adolescence. It consists of all items of original PEDI Functional Skills Scales and Caregiver Assistance Scales for three content domains: self-care, mobility, and social function. Additional items were added to Functional Skills Scales Mobility and Self-care domains. Norm-based scoring is developed for additional items and scoring algorithms for PEDI are adjusted to reflect normative data collected for Pompe PEDI. Scaled scores for each domain range from 0-100 and provide indication of performance of child along continuum of relatively easy to relatively difficult items in particular domain of PEDI, where higher score indicates increased degrees of functional performance.
Measured: Participants1-12:Baseline, Participants 1 and 2: Wk 52, Participants 3 and 4: Wk 208, Participant-6: Wk 359, Participant-7: Wk 52, Participant-8: Wk156, Participant-9: Wk 312, Participant-10: Wk 26, Participant-11: Wk 156, Participant-12: Wk 416
Cognitive and Language Subscales of Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) Normative Composite Scores
Bayley-III: Instrument designed to measure developmental functioning of infants and toddlers between ages of 1 and 42 months (age adjustments for prematurity are accommodated with tool). Bayley-III administered up to 42 months of age and provides age specific norm-referenced composite scores for cognitive scales (91 items, composite score minimum 55 and maximum 145), language scale (98 items, composite score minimum 47 and maximum 153), motor scale (138 items, composite score minimum 46 and maximum 154) skills. For all raw scores (for scales), higher scores indicates greater number of developmental skills credited. For norm-based composite scales for cognitive and language, score of 100 defines average performance of given age group, scores of 85 and 115 are 1 SD below an above mean, respectively, and scores of 70 and 130 are equivalent to 2 SD from mean.
Measured: Participants 1-12: Baseline, Participant-1: Week 52, Participant-2: Week 83, Participants 3 and 4: Week 104, Participant-6: Week 78, Participants 7 and 8: Week 26, Participant-9: Week 156, Participants 10 and 11:Week 26, Participant-12: Week 104
Brief Intelligence Quotient (IQ) Score of the Leiter International Performance Scale-Revised (Leiter-R)
Leiter Scale is designed as nonverbal measure of intellectual function, memory and attention for Participants with communication disorders, hearing impairments, motor impairments, certain types of learning disabilities. Leiter-R was administered to participants after aging out of Bayley-III (at 42 months of age) and before Leiter-3 utilization (per protocol, due to discontinuation of Leiter-R). Leiter-R scale consists of 2 groups of subtests: Visualization-Reasoning Battery, Attention-Memory Battery. Subtests in Leiter-R were Figure Ground, Form Completion, Sequential Order, Repeated Patterns using that 'Brief Scale IQ' was scored for estimation of intellectual ability. Brief-IQ scores range is 30-170, where higher scores indicates higher intelligence. Score of 100 is expected mean standard score at each age interval. 95% children in each age group (based on normative sample) are expected to score within 2 SD of mean.
Measured: Participants 1 and 2: Week 156, Participant-3: Week 260, Participant-4: Week 156, Participant-5: Week 208
Nonverbal Intelligence Quotient (IQ) Score of Leiter International Performance Scale - 3rd Edition (Leiter-3)
Leiter Scale: Designed as nonverbal measure of intellectual function, memory and attention for participants with communication disorders, hearing impairments, motor impairments, certain types of learning disabilities. Leiter-3 has 2 groups of subtests: cognitive battery and attention/memory battery. Nonverbal intelligence estimates global intellectual ability. The 4 cognitive battery subtests are: Figure Ground, Form Completion, Sequential Order, Classification-analogies along with 1 optional subset, Visual Patterns. Nonverbal IQ scores range is 30-170, which encompass 'severe delay' to 'extremely high/gifted', higher numbers indicates higher intelligence. Score of 100 is expected mean standard score at each age interval. 95% children in each age group (based on normative sample) are expected to score within 2 SD of mean.
Measured: Participant-1: Week 156, Participant-2: Week 312, Participant-3: Week 416
Secondary outcomes (1)
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)
Adverse event (AE): any undesirable physical, psychological or behavioral effect experienced by participants during their participation in an investigational study, in conjunction with the use of the drug or biologic, whether or not product-related. Any untoward signs or symptoms experienced by the participant from the time of signing of the informed consent until completion of the study. Serious AE (SAE): any AE that resulted in any of the following outcomes: death, life-threatening experience, required hospitalization or prolonged inpatient hospitalization, persistent or significant disability/incapacity, congenital anomaly, and important medical events. TEAEs: AEs that developed, worsened, or became serious during the treatment-emergent period (defined as the period from the first study drug administration until last study assessment).
Measured: From Baseline up to 13.25 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Jun 2007 (estimated)
- Study start26 Aug 2008
- Primary completion23 Nov 2021
- Study completion23 Nov 2021
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for Pompe DiseaseStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 12 participants (actual)
Sponsor and investigators
- Lead sponsor
- Genzyme, a Sanofi Company
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Medical Monitor, Study director, Genzyme, a Sanofi Company
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00486889
- Sponsor's protocol ID
- AGLU03606
- Other IDs
- LTS12869, U1111-1163-0368, 2021-005552-11
- Status last verified
- Jul 2022
- First submitted
- 13 Jun 2007
- Last updated
- 26 Aug 2022
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org
Study at a glance
From the registry record, last updated by the sponsor on 26 Aug 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Long-term Study to Evaluate Growth and Development Outcomes in Patients With Infantile-Onset Pompe Disease Who Are Receiving Alglucosidase Alfa
- ClinicalTrials.gov ID
- NCT00486889
- Acronym / sponsor ID
- AGLU03606
- Keywords
- Glycogenesis 2
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 12 participants (actual)
- Lead sponsor
- Genzyme, a Sanofi CompanyIndustry (pharma, biotech, devices)
- Study start
- 26 Aug 2008 (actual)
- Primary completion
- 23 Nov 2021 (actual)
- Study completion
- 23 Nov 2021 (actual)
- First posted
- 15 Jun 2007 (estimated)
- Results
- Posted 26 Aug 2022
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Pompe disease (also known as glycogen storage disease Type II) is a rare autosomal recessive metabolic muscle disease caused by the deficiency of acid α glucosidase (GAA), an enzyme that degrades lysosomal glycogen. As opposed to the exclusively cytoplasmic accumulation of glycogen that occurs in other glycogen storage disorders, Pompe disease is characterized by organelle bound (lysosomal) and extra-lysosomal accumulation of glycogen in many body tissues, ultimately leading to multisystemic pathology. The overall objective of this study was to evaluate the long-term growth and development of participants with infantile-onset Pompe disease with alglucosidase alfa before 1 year of age. Participants were to be followed for a 10-year period.
Study design
- Primary purpose
- Treatment
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Alglucosidase Alfa | Experimental | Biological: alglucosidase alfaParticipants received alglucosidase alfa 20 milligrams per kilogram (mg/kg) body weight as intravenous infusion every 2 weeks and were followed for 10 years or up to discontinuation from study treatment due to any reason. |
Who may qualify
- Ages
- Up to 24 months
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Key inclusion criteria (3 listed)
- The participant or participant's legal guardian must have provided signed, informed consent prior to performing any study-related procedures.
- The participant must have had a confirmed diagnosis of Pompe disease as determined by deficient endogenous GAA activity or GAA mutation analysis.
- The participant must be less than (<) 1 year of age at time of study enrollment (and received alglucosidase alfa treatment before 1 year of age), or the participant must be between 1 year and 24 months of age and must have had initiated alglucosidase alfa treatment prior to turning 1 year of age.
Key exclusion criteria (1 listed)
- The participant was participating in another clinical study using alglucosidase alfa or any investigational therapy.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| alglucosidase alfaAlso: Myozyme®, Lumizyme®Dose: 20 mg/kg every 2 weeks; Route of administration: Intravenous infusion | Biological | Alglucosidase Alfa |
Primary outcome
Recumbent Height/Length of Participants in Centimeters (cm)
Time frame: Participants 1-12:Baseline, Participant1: Wk 52, Participant2: Wk82, Participants 3-4: Wk208, Participant5: Wk12, Participant6: Wk365, Participant7: Wk64, Participant8:Wk156, Participant9:Wk364, Participant10:Wk52, Participant11:Wk156, Participant12:Wk520
Height/Length of Participants was measured in centimeters. Week is denoted as Wk in time frame section.
Body Weight of Participants in Kilograms (kg)
Time frame: Participant1-12:Baseline, Participant1:Wk 52, Participant2:Wk82, Participant3: Wk208,Participant4:Wk364,Participant5:Wk12,Participant6:Wk365,Participant7:Wk64,Participant8:Wk156,Participant9:Wk364,Participant10:Wk52,Participant11:Wk156,Participant12:Wk520
Body Weight of Participants was measured in Kilograms (kg). Week is denoted as Wk in time frame section.
Head Circumference of Participants in Centimeters (cm)
Time frame: Participants1-12:Baseline, Participant1:Week(Wk)52, Participant2:Wk82, Participants3and4:Wk208, Participant5:Wk12, Participant6:Wk365, Participant7:Wk64, Participant8:Wk156, Participant9:Wk312, Participant10:Wk52, Participant11:Wk156, Participant12:Wk468
Head Circumference of Participants was measured in Centimeters.
Motor Subscale of Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) Normative Composite Scores
Time frame: Participants 1-12: Baseline, Participant-1: Week 52, Participant-2: Week 83, Participants 3 and 4: Week 104, Participant-6: Week 78, Participants 7 and 8: Week 26, Participant-9: Week 156, Participants 10 and 11: Week 26, Participant-12: Week 104
Bayley-III: Instrument designed to measure developmental functioning of infants and toddlers between ages of 1 and 42 months (age adjustments for prematurity are accommodated with tool). Bayley-III administered up to 42 months of age and provides age specific norm-referenced composite scores for cognitive scales (91 items, composite score minimum 55 and maximum 145), language scale (98 items, composite score minimum 47 and maximum 153), motor scale (138 items, composite score minimum 46 and maximum 154) skills. For all raw scores (for scales), higher scores indicates greater number of developmental skills credited. For norm-based composite scales for motor scale, score of 100 defines average performance of given age group, scores of 85 and 115 are 1 standard deviation (SD) below an above mean, respectively, and scores of 70 and 130 are equivalent to 2 SD from mean.
Gross Motor Function Measure (GMFM-88) Total Scores
Time frame: Participants 1-12: Baseline, Participants 1 and 2: Wk 52, Participants 3 and 4: Wk 208, Participant-6: Wk 359, Participant-7: Wk 26, Participant-8: Wk 156, Participant-9: Wk 312, Participant-11: Wk 156, Participant-12: Wk416
GMFM-88 is developed specifically to detect quantitative changes in gross motor function that consists of 88 items organized into 5 dimensions: lying and rolling, sitting, crawling and kneeling, standing, and walking, running and jumping. Each item is scored on a 4-point Likert scale that ranges from 0 to 3, i.e., 0=cannot do; 1=initiated (less than [<] 10 percent [%] of task); 2=partially completed (10 to <100% of task); 3=task completion. The score for each dimension is expressed as percentage of the maximum score for that dimension. Total GMFM-88 score is obtained by adding percentage score for each dimension and dividing the sum by total number of dimensions. Total score ranges from 0 to 100, where higher score indicates better gross motor functions.
Pompe Pediatric Evaluation of Disability Inventory (Pompe PEDI) Scaled Scores
Time frame: Participants1-12:Baseline, Participants 1 and 2: Wk 52, Participants 3 and 4: Wk 208, Participant-6: Wk 359, Participant-7: Wk 52, Participant-8: Wk156, Participant-9: Wk 312, Participant-10: Wk 26, Participant-11: Wk 156, Participant-12: Wk 416
Pompe PEDI is disease specific version of PEDI developed to assess functional capabilities and performance in children with Pompe disease from 2 months up to adolescence. It consists of all items of original PEDI Functional Skills Scales and Caregiver Assistance Scales for three content domains: self-care, mobility, and social function. Additional items were added to Functional Skills Scales Mobility and Self-care domains. Norm-based scoring is developed for additional items and scoring algorithms for PEDI are adjusted to reflect normative data collected for Pompe PEDI. Scaled scores for each domain range from 0-100 and provide indication of performance of child along continuum of relatively easy to relatively difficult items in particular domain of PEDI, where higher score indicates increased degrees of functional performance.
Cognitive and Language Subscales of Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III) Normative Composite Scores
Time frame: Participants 1-12: Baseline, Participant-1: Week 52, Participant-2: Week 83, Participants 3 and 4: Week 104, Participant-6: Week 78, Participants 7 and 8: Week 26, Participant-9: Week 156, Participants 10 and 11:Week 26, Participant-12: Week 104
Bayley-III: Instrument designed to measure developmental functioning of infants and toddlers between ages of 1 and 42 months (age adjustments for prematurity are accommodated with tool). Bayley-III administered up to 42 months of age and provides age specific norm-referenced composite scores for cognitive scales (91 items, composite score minimum 55 and maximum 145), language scale (98 items, composite score minimum 47 and maximum 153), motor scale (138 items, composite score minimum 46 and maximum 154) skills. For all raw scores (for scales), higher scores indicates greater number of developmental skills credited. For norm-based composite scales for cognitive and language, score of 100 defines average performance of given age group, scores of 85 and 115 are 1 SD below an above mean, respectively, and scores of 70 and 130 are equivalent to 2 SD from mean.
Brief Intelligence Quotient (IQ) Score of the Leiter International Performance Scale-Revised (Leiter-R)
Time frame: Participants 1 and 2: Week 156, Participant-3: Week 260, Participant-4: Week 156, Participant-5: Week 208
Leiter Scale is designed as nonverbal measure of intellectual function, memory and attention for Participants with communication disorders, hearing impairments, motor impairments, certain types of learning disabilities. Leiter-R was administered to participants after aging out of Bayley-III (at 42 months of age) and before Leiter-3 utilization (per protocol, due to discontinuation of Leiter-R). Leiter-R scale consists of 2 groups of subtests: Visualization-Reasoning Battery, Attention-Memory Battery. Subtests in Leiter-R were Figure Ground, Form Completion, Sequential Order, Repeated Patterns using that 'Brief Scale IQ' was scored for estimation of intellectual ability. Brief-IQ scores range is 30-170, where higher scores indicates higher intelligence. Score of 100 is expected mean standard score at each age interval. 95% children in each age group (based on normative sample) are expected to score within 2 SD of mean.
Nonverbal Intelligence Quotient (IQ) Score of Leiter International Performance Scale - 3rd Edition (Leiter-3)
Time frame: Participant-1: Week 156, Participant-2: Week 312, Participant-3: Week 416
Leiter Scale: Designed as nonverbal measure of intellectual function, memory and attention for participants with communication disorders, hearing impairments, motor impairments, certain types of learning disabilities. Leiter-3 has 2 groups of subtests: cognitive battery and attention/memory battery. Nonverbal intelligence estimates global intellectual ability. The 4 cognitive battery subtests are: Figure Ground, Form Completion, Sequential Order, Classification-analogies along with 1 optional subset, Visual Patterns. Nonverbal IQ scores range is 30-170, which encompass 'severe delay' to 'extremely high/gifted', higher numbers indicates higher intelligence. Score of 100 is expected mean standard score at each age interval. 95% children in each age group (based on normative sample) are expected to score within 2 SD of mean.
1 secondary outcome
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)
Time frame: From Baseline up to 13.25 years
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Aug 2022.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: Yes. Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Medical Monitor study director
Genzyme, a Sanofi Company
3 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing alglucosidase alfa in people with Pompe Disease and Glycogen Storage Disease Type II (GSD-II), run by Genzyme, a Sanofi Company at 3 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Aug 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 3 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 26 Aug 2022). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Recumbent Height/Length of Participants in Centimeters (cm) (time frame: Participants 1-12:Baseline, Participant1: Wk 52, Participant2: Wk82, Participants 3-4: Wk208, Participant5: Wk12, Participant6: Wk365, Participant7: Wk64, Participant8:Wk156, Participant9:Wk364, Participant10:Wk52, Participant11:Wk156, Participant12:Wk520). The study lists 9 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Aug 2022.