- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02960217
Crossover Study to Assess the Efficacy and Safety of UX007 in the Treatment of Movement Disorders Associated With Glucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)
A Phase 3, Randomized, Double-blind, Placebo-controlled, Crossover Study to Assess the Efficacy and Safety of UX007 in the Treatment of Movement Disorders Associated With Glucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 3
Expanded Access
Contacts and Locations
Study Locations
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Paris, France, 75019
- Hopital Robert Debre
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Essen, Germany, 45122
- University of Essen
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München, Germany, 81377
- Klinikum der Universität München
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Tuebingen, Germany, 72076
- Universitaetklinikum Tuebingen
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Pavia, Italy, 27100
- IRCCS Fondazione Istituto Neurologico Nazionale C. Mondino
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Barcelona, Spain, 08035
- Hospital Vall d'Hebron
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London, United Kingdom, WC1N3BG
- Leonard Wolfson Experimental Neurology Centre
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Sheffield, United Kingdom, S102TH
- Sheffield Children's NHS Foundation Trust
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Colorado
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Aurora, Colorado, United States, 80045
- Colorado Children's Hospital
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Florida
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Miami, Florida, United States, 33155
- Nicklaus Children's Hospital
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Georgia
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Norcross, Georgia, United States, 30093
- Center for Rare Neurological Diseases
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New York
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New York, New York, United States, 10032
- Columbia 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:
- Diagnosis of Glut1 DS confirmed by SLC2A1 mutation
- Males and females, aged ≥6 years old at the time of informed consent
- At least 8 disabling paroxysmal movement disorder events in the 12 weeks prior to the Screening, by subject or caregiver report or At least 6 disabling paroxysmal movement disorder events in any 6 consecutive week period, over the last 12 week period prior to the Screening, by subject or caregiver report
- At least 4 disabling paroxysmal movement disorder events in 6 week Run-in Period, reported in the daily electronic Glut1 DS symptom diary
- ≥80% compliance with daily electronic Glut1 DS symptom diary completion during the Run in Period
- Not on ketogenic diet (KD), modified KD, or ketosis-inducing modified-fat diet for at least 3 months prior to Screening
- Plasma level of beta-hydroxybutyrate (BHB) ≤ 1 mmol/L (non-fasting) at Screening
- Provide written or verbal assent (if possible) and written informed consent by the patient(if an adult), or by a legally authorized representative after the nature of the study has been explained, and prior to any research-related procedures
- Must, in the opinion of the Investigator, be willing and able to complete key aspects of the study and be likely to complete the 22-week, placebo-controlled, treatment period
- Patient (or caregiver) must, in the opinion of the Investigator, be able to comply with accurate completion of the study daily electronic Glut1 DS symptom diary
- Females of child-bearing potential must have a negative urine pregnancy test at Screening and Baseline and be willing to have additional pregnancy tests during the study. Females considered not to be of child-bearing potential include those who have not experienced menarche, are post-menopausal (defined as having no menses for at least 12 months without an alternative medical cause) or are permanently sterile due to total hysterectomy, bilateral salpingectomy, or bilateral oophorectomy.
- Participants of child-bearing potential or fertile males with partners of child-bearing potential who are sexually active must consent to use a highly effective method of contraception as determined by the site Investigator from the period following the signing of the informed consent through 30 days after last dose of study drug
Exclusion Criteria:
- Any known hypersensitivity to triheptanoin or safflower oil that, in the judgment of the Investigator, places the subject at increased risk for adverse effects
- Prior use of triheptanoin within 30 days prior to Screening
- History of, or current suicidal ideation, behavior and/or attempts per Columbia Suicide Severity Rating Scale (C-SSRS) at Screening or Baseline
- Pregnant and/or breastfeeding an infant at Screening or Baseline
- Participants unwilling or unable to discontinue use of a prohibited medication or other substance that may confound study objectives (medium chain triglyceride [MCT] oil, barbiturates, pancreatic lipase inhibitors, KetoCal or other KD supplements, and/or KD])
- Glut1 DS treatment regimen, including antiepileptic drugs (AEDs), should be stable for at least 30 days prior to Screening
- Use of any investigational product (drug, medical food, or supplement, including MCT oil, including coconut oil) within 30 days prior to Screening
- Has a concurrent disease or condition, or laboratory abnormality that, in the view of the Investigator, places the subject at high risk of poor treatment compliance or of not completing the study, or would interfere with study participation or introduces additional safety concerns
- Feeding or nutrition that, in the opinion of the dietitian, potentially affects consistent administration of study drug
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Double-Blind UX007 Followed by Placebo
Participants will first receive UX007 (dosed according to an age- and weight-based strategy, up to a maximum daily administration of 130 g) for 10 weeks. After a washout period of 2 weeks, they will then receive placebo for 10 weeks. Participants will have the option of rolling into the open label Extension Period, to continue UX007 treatment for up to 3 years. |
liquid for oral (PO) administration
liquid safflower oil for PO administration
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Experimental: Double Blind Placebo Followed by UX007
Participants will first receive Placebo for 10 weeks. After a washout period of 2 weeks, they will then receive UX007 (dosed according to an age- and weight-based strategy, up to a maximum daily administration of 130 g) for 10 weeks. Participants will have the option of rolling into the open label Extension Period, to continue UX007 treatment for up to 3 years. |
liquid for oral (PO) administration
liquid safflower oil for PO administration
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Maintenance Phase Movement Disorder Frequency
Time Frame: Maintenance Phase (up to Week 22)
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The frequency of paroxysmal movement disorders captured as disabling movement disorder events (normalized to a 4-week rate) observed during the Maintenance Phase in participants treated with UX007 versus placebo, as recorded by the subject/caregiver in an event-based daily Glut1 DS symptom diary.
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Maintenance Phase (up to Week 22)
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Number of Participants With Treatment Emergent Adverse Events (TEAEs), Serious TEAEs, and Discontinuations Due to TEAEs
Time Frame: From first dose of study drug through 30-35 days after final dose. Mean (SD) treatment duration was 65.7 (12.06) and 68.3 (7.04) days for double-blind UX007 and placebo, and 305.0 (122.71) days for open-label UX007.
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An Adverse Event (AE) was defined as any untoward medical occurrence, whether or not considered drug related.
Serious adverse events (SAE) was defined as an AE that at any dose, in the view of either the Investigator or Ultragenyx, results in any of the following outcomes: death; a life-threatening AE; inpatient hospitalization or prolongation of existing hospitalization; persistent or significant incapacity or disability (substantial disruption of the ability to conduct normal life functions); a congenital anomaly/birth defect; other important medical event.
All reported AEs with with a start date that occurred or worsened in severity on or after the first dose of study drug in the corresponding treatment period and before the first dose of study drug in the next treatment period were defined as TEAEs.
AEs were graded as 1=mild, 2=moderate, 3=severe, 4=life=threatening, 5=death.
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From first dose of study drug through 30-35 days after final dose. Mean (SD) treatment duration was 65.7 (12.06) and 68.3 (7.04) days for double-blind UX007 and placebo, and 305.0 (122.71) days for open-label UX007.
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Baseline and Post-Baseline Columbia Suicide Severity Rating Scale (C-SSRS) Responses During Double-Blind Treatment Period
Time Frame: Baseline, up to Week 22
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The C-SSRS is a participant-rated questionnaire to assess suicidal ideation, suicidal behavior, and self-injurious behavior with no suicidal intent (yes or no responses).
Positive responses (i.e., 'Yes') to C-SSRS questions correspond to events in these categories with the exception of the category 'No events'.
Suicidal ideation includes the following subcategories: passive; active-nonspecific; active-method/no intent/no plan; active-intent/with or without method/no plan; active-method/intent/plan. Suicidal behavior includes the following subcategories: suicide attempt; interrupted attempt; aborted attempt; preparatory actions toward immanent suicidal behaviors; completed suicide.
Suicidal ideation and/or suicidal behavior category includes participants with positive responses in the category suicidal ideation and/or suicidal behavior.
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Baseline, up to Week 22
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Change From Period Baseline in 12 Minute Walk Test (12MWT) Distance at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Walking capacity and endurance, as determined by the distance in meters walked in 12 minutes during the 12MWT.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in Patient Reported Outcomes Measurement Information System (PROMIS) Health Assessment Questionnaire (Adult Form) Physical Function Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Physical Function Mobility Domain, increases in score indicate greater mobility.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Fatigue Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Fatigue Domain, decreases in score indicate less fatigue.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Sleep Disturbance Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Sleep Disturbance Domain, decreases in score indicate less sleep disturbance.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Pain Interference Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Pain Interference Domain, decreases in scores indicate less pain interference.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Cognitive Function Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
The Cognitive Function Domain measures cognitive function impairment.
Decreases in score indicate less cognitive function impairment.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Social Roles and Activities Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Social Roles and Activities Domain, decreases in score indicate worse /less or decrease of performance in social roles and activities.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Adult Form) Anxiety Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015).
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Anxiety Domain, decreases in scores indicate less anxiety.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Pediatric/Parent-Proxy Form) Mobility Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015) via parent/proxy.
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Mobility Domain, decreases in score indicate less mobility.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Pediatric/Parent-Proxy Form) Upper Extremity Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015) via parent/proxy.
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Upper Extremity Domain, decreases in score indicate less upper extremity movement.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Pediatric/Parent-Proxy Form) Fatigue Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015) via parent/proxy.
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Fatigue Domain, decreases in score indicate less fatigue.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Pediatric/Parent-Proxy Form) Pain Interference Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015) via parent/proxy.
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Pain Interference Domain, decreases in score indicate less pain interference.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in PROMIS Health Assessment Questionnaire (Pediatric/Parent-Proxy Form) Peer Relationships Score at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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The PROMIS was developed by the National Institutes of Health and uses domain-specific measures to assess patient well-being (Broderick et al. 2013; NIH 2015) via parent/proxy.
It uses a T-score metric in which 50 is the mean of a relevant reference population and 10 is the standard deviation (SD) of that population.
For the Peer Relationships Domain, decreases in score indicate worse functioning in peer relationships.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Clinical Global Impression - Improvement (CGI-I) at Treatment Week 10
Time Frame: Week 10
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Participant/caregiver global impression of change in clinical status using the CGI-I.
The CGI-I is a 7-point scale that assesses how much the participant's condition has improved or worsened relative to a baseline state at the beginning of the intervention and rated as: 1=very much better; 2=much better; 3=a little better; 4=no change; 5=a little worse; 6=much worse; 7=very much worse.
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Week 10
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Duration of Movement Disorder Events During Maintenance Phase
Time Frame: Maintenance Phase (up to 22 weeks)
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Duration of disabling paroxysmal movement disorder events observed during the Maintenance Period of treatment, as recorded by the subject/caregiver in an event-based daily electronic Glut1 DS symptom diary.
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Maintenance Phase (up to 22 weeks)
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Change From Period Baseline in Cambridge Neuropsychological Test Automated Battery (CANTAB), Spatial Span (SSP) Span Length Scores at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Cognitive function as measured by the CANTAB.
CANTAB measures neuropsychological function using a standardized, computerized battery of tests designed to assess visual memory, working memory, new learning and reaction time.
SSP Span Length assesses the cognitive domain of sequential memory, with scores on a discrete, ordinal scale from 2 to 9; higher scores indicate better function.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in CANTAB, Spatial Working Memory Between Errors (SWMBE) Scores at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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CANTAB measures neuropsychological function using a standardized, computerized battery of tests designed to assess visual memory, working memory, new learning and reaction time.
SWMBE assesses the cognitive domain of working memory, with scores on a discrete, ordinal scale from 0 to 360; lower scores indicate better function.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Period Baseline in CANTAB, Spatial Working Memory Strategy (SWMS) Scores at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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CANTAB measures neuropsychological function using a standardized, computerized battery of tests designed to assess visual memory, working memory, new learning and reaction time.
SWMS assesses the cognitive domain of executive function/strategy, with scores on a discrete, ordinal scale from 4 to 28; lower scores indicate better function.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Baseline in CANTAB, Paired Associates Learning Total Errors (PALTEA) at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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CANTAB measures neuropsychological function using a standardized, computerized battery of tests designed to assess visual memory, working memory, new learning and reaction time.
PALTEA assesses the cognitive domain of episodic memory/new learning, with scores on a discrete, ordinal scale from 0 to 137; lower scores indicate better function.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Change From Baseline in CANTAB, Paired Associates Learning First Trial Memory Score (PALFTMS) at Treatment Week 10
Time Frame: Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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CANTAB measures neuropsychological function using a standardized, computerized battery of tests designed to assess visual memory, working memory, new learning and reaction time.
PALFTMS assesses the cognitive domain of episodic memory, with scores on a discrete, ordinal scale from 0 to 27; higher scores indicate better function.
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Period Baseline (defined as the last non-missing assessment prior to or on the date of the first dose of study drug for each double-blind Treatment Period), Week 10
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Collaborators and Investigators
Sponsor
Publications and helpful links
Helpful Links
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- UX007G-CL301
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.
Clinical Trials on Glucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)
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Ultragenyx Pharmaceutical IncCompletedGlucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)United States, Spain, Australia, France, Israel, Italy, United Kingdom
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Ultragenyx Pharmaceutical IncAvailableGlucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)
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Adrian LacyUltragenyx Pharmaceutical IncCompletedGlucose Transporter Type-1 Deficiency Syndrome (Glut1 DS)United States
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University of Texas Southwestern Medical CenterRecruitingGlucose Metabolism Disorders | Epilepsy | Glucose Transporter Type 1 Deficiency Syndrome | Glut1 Deficiency Syndrome 1 | Glut1 Deficiency Syndrome 1, Autosomal Recessive | Glucose Transporter Protein Type 1 Deficiency Syndrome | Glucose Transport DefectUnited States
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Juan PascualCompletedGlucose Transporter Type 1 Deficiency Syndrome | GLUT1 Deficiency SyndromeUnited States
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Juan PascualWithdrawnGlucose Transporter Type 1 Deficiency Syndrome | Glut1 Deficiency SyndromeUnited States
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University of Texas Southwestern Medical CenterRecruitingGlucose Transporter Type 1 Deficiency Syndrome | GLUT1 Deficiency Syndrome | Glucose Transporter type1 (GLUT-1) Deficiency | GLUT-1 Deficiency SyndromeUnited States
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University of Texas Southwestern Medical CenterNational Institute of Neurological Disorders and Stroke (NINDS)Active, not recruitingGlucose Metabolism Disorders | Epilepsy | Glucose Transporter Type 1 Deficiency Syndrome | Glut1 Deficiency Syndrome 1, Autosomal Recessive | Glucose Transporter Protein Type 1 Deficiency Syndrome | Glucose Transport Defect | GLUT1DS1United States
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Juan PascualNational Institute of Neurological Disorders and Stroke (NINDS)CompletedGlucose Metabolism Disorders | Epilepsy | Glucose Transporter Type 1 Deficiency Syndrome | Glut1 Deficiency Syndrome 1, Autosomal Recessive | Glucose Transporter Protein Type 1 Deficiency Syndrome | Glucose Transport Defect | GLUT1DS1United States
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Areeg El-GharbawyUltragenyx Pharmaceutical IncCompletedGlycogen Storage Disease Type IUnited States
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Ultragenyx Pharmaceutical IncCompletedCarnitine Palmitoyltransferase (CPT I or CPT II) Deficiency | Very Long Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency | Long-chain 3-hydroxy-acyl-CoA Dehydrogenase (LCHAD) Deficiency | Trifunctional Protein (TFP) Deficiency | Carnitine-acylcarnitine Translocase (CACT) DeficiencyUnited States, United Kingdom
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