- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02599961
Study to Assess the Long Term Safety and Efficacy of UX007 in Participants With Glucose Type 1 Deficiency Syndrome (Glut1 DS)
June 3, 2020 updated by: Ultragenyx Pharmaceutical Inc
An Open-label Extension Study to Assess the Long-term Safety and Efficacy of UX007 in Subjects With Glucose Transporter Type 1 Deficiency Syndrome
The primary objective of the study is to evaluate the long-term safety of UX007 in Glut1 DS participants.
Study Overview
Status
Terminated
Intervention / Treatment
Detailed Description
The study will enroll up to 40 pediatric, adolescent and adult Glut 1 DS participants who have completed the UX007G-CL201 (NCT019933186) study and, at the discretion of the Sponsor, additional participants from other clinical studies, investigator sponsored trials (ISTs), or expanded access/compassionate use treatment.
Study Type
Interventional
Enrollment (Actual)
15
Phase
- Phase 2
Expanded Access
Available outside the clinical trial.
See expanded access record.
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Victoria
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Heidelberg, Victoria, Australia, 3084
- Melbourne Brain Centre
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Copenhagen, Denmark, 2100
- Copenhagen University Hospital
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Barcelona, Spain, 08950
- Hospital Sant Joan de Deu
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Newcastle upon Tyne, United Kingdom, NE7 7DN
- The Newcastle Upon Tyne Hospitals NHS Foundation Trust
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Colorado
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Aurora, Colorado, United States, 80045
- Children's Hospital Colorado - University of Colorado, Denver, School of Medicine
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Florida
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Miami, Florida, United States, 33155
- Miami Children's Hospital
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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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Texas
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Fort Worth, Texas, United States, 76104
- Cook Children's Medical Center
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Washington
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Seattle, Washington, United States, 98105
- Seattle Children's Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
1 year and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Diagnosis of Glut 1 DS confirmed by cerebrospinal fluid glucose concentration. erythrocyte 3-O-methyl-D-glucose uptake assay, or solute carrier family 2 member 1 (SLC2A1) molecular genetic testing (Information obtained from Medical Records)
- Males and females aged at least 1 year old at the time of informed consent
- Completion of UX007G-CL201 study (NCT01993186). Glut1 DS patients who received UX007/triheptanoin treatment as apart of clinical studies, ISTs or expanded access/compassionate use treatment programs may be eligible at the discretion of the Sponsor
- Provide written informed consent or verbal assent (if possible) with written informed consent 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 all aspects of the study, and comply with accurate completion of the seizure diary
- Females of childbearing potential must have a negative urine pregnancy test at Baseline and be willing to have additional pregnancy tests during the study. Females considered not of childbearing 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 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, that in the judgement of the investigator, places the subject at an increased risk for adverse effects
- History of, or current suicidal ideation, behavior and/or attempts
- Pregnant and/or breast feeding an infant
- Unwilling or unable to discontinue use of prohibited medication (barbiturates, pancreatic lipase inhibitors) or other substance that may confound study objectives. Use of up to 3 concomitant antiepileptic drugs is allowed, provided dose has been stable at least 14 days prior to Baseline
- Use of any Investigational Product, drug or supplement (other than UX007) within 30 days prior to Baseline, or at any time during the study
- Has a condition of such severity and acuity, in the opinion of the investigator, that it warrants immediate surgical intervention or other treatment
- 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 introduce additional safety concerns
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: UX007
UX007 dosing targeted and/or maintained at 35% of total daily caloric intake.
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UX007 is a liquid intended for oral (PO) administration.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Serious TEAEs, Discontinuations Due to TEAEs, and Deaths
Time Frame: From first dose of study drug up to 36 months. The mean (SD) treatment duration was 667.9 (357) days.
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An adverse event (AE) was defined as any untoward medical occurrence, whether or not considered drug related.
Serious adverse events (SAEs) are AEs that at any dose, in the view of either the investigator or sponsor, 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; a congenital anomaly/birth defect; other important medical event.
An AE was considered a TEAE if it occurred on or after the first dose in this study, and was not present prior to the first dose in this study, or it was present at the first dose in this study but increased in severity during the study.
Severity was based on Common Terminology Criteria for Adverse Events (CTCAE): 1 = mild, 2 = moderate, 3 = severe, 4 = life threatening, and 5 = death related to AE.
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From first dose of study drug up to 36 months. The mean (SD) treatment duration was 667.9 (357) days.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Change From Baseline Over Time in Overall Seizure Frequency Per 4 Weeks
Time Frame: Baseline (from NCT01993186), Month 0-3, Month 4-6, Month 7-9, Month 10-12, Month 13-18, Month 19-24, Month 25-30, Month 31-36
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The number of observable seizures were recorded by the subject or caregiver via diary throughout the study.
Observable seizures were defined as: generalized tonic-clonic; generalized tonic; generalized clonic; generalized atonic; partial/focal with secondary generalization; myoclonic, myoclonic (astatic) atonic, myoclonic tonic; complex partial/focal; simple partial/focal motor; absence.
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Baseline (from NCT01993186), Month 0-3, Month 4-6, Month 7-9, Month 10-12, Month 13-18, Month 19-24, Month 25-30, Month 31-36
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Change From Baseline Over Time in CNS Total Score
Time Frame: Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 24, Month 36
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The CNS evaluates measures of neurological function and development delay, and is the sum of scores for the following domains: Weight, Height, Head Circumference, General Medical Exam, Funduscopic Exam, Cranial Nerves, Stance & Gait, Involuntary Movements, Sensation, Cerebellar Function, Muscle Bulk, Tone & Strength, Myotatic Reflexes, Toe Sign, Other Findings.
The CNS is only scored when all domains are measured and ranges from 0 (abnormal exam) to 76 (normal exam).
Higher scores are associated with higher neurological function.
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Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 24, Month 36
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Change From Baseline Over Time in SF-10 Health Survey for Children Physical Summary Score
Time Frame: Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18, Month 24, Month 30
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The SF-10 Health Survey for Children was administered to caregivers of participants aged 5-17 years.
Responses are used to generate 2 component summary scores: Physical Summary Score and the Psychosocial Summary Score.
The T-score based scale scores were centered so that a score of 50 corresponds to the average score in a comprehensive 2006 sample (a combination of general population and supplemental disability and chronic condition samples).
Higher scores are associated with better quality of life.
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Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18, Month 24, Month 30
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Change From Baseline Over Time in SF-10 Health Survey for Children Psychosocial Summary Score
Time Frame: Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18, Month 24, Month 30
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The SF-10 Health Survey for Children was administered to caregivers of participants aged 5-17 years.
Responses are used to generate 2 component summary scores: Physical Summary Score and the Psychosocial Summary Score.
The T-score based scale scores were centered so that a score of 50 corresponds to the average score in a comprehensive 2006 sample (a combination of general population and supplemental disability and chronic condition samples).
Higher scores are associated with better quality of life.
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Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18, Month 24, Month 30
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Change From Baseline Over Time in SF-12v2 Health Survey PCS Score
Time Frame: Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18
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SF-12v2 was assessed for adults 18 years of age and older.
Eight domain scores were used to generate 2 component summary scores: physical health (PCS) and mental health (MCS).
The PCS and MCS scores have mean of 50 and SD of 10.
The T-score based scoring method scores the data in relation to U.S. general population T-scores.
Therefore, all scores obtained that are below 50 can be interpreted as below the U.S. general population T-score and scores above 50 can be interpreted as above the U.S. general population T-score.
Higher global scores are associated with better quality of life.
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Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18
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Change From Baseline Over Time in SF-12v2 Health Survey MCS Score
Time Frame: Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18
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SF-12v2 was assessed for adults 18 years of age and older.
Eight domain scores were used to generate 2 component summary scores: physical health (PCS) and mental health (MCS).
The PCS and MCS scores have mean of 50 and SD of 10.
The T-score based scoring method scores the data in relation to U.S. general population T-scores.
Therefore, all scores obtained that are below 50 can be interpreted as below the U.S. general population T-score and scores above 50 can be interpreted as above the U.S. general population T-score.
Higher global scores are associated with better quality of life.
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Baseline (from NCT01993186), Month 0, Month 6, Month 12, Month 18
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
September 10, 2015
Primary Completion (Actual)
October 22, 2019
Study Completion (Actual)
October 22, 2019
Study Registration Dates
First Submitted
November 3, 2015
First Submitted That Met QC Criteria
November 5, 2015
First Posted (Estimate)
November 9, 2015
Study Record Updates
Last Update Posted (Actual)
June 11, 2020
Last Update Submitted That Met QC Criteria
June 3, 2020
Last Verified
June 1, 2020
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- UX007G-CL202
- 2015-000389-69 (EudraCT Number)
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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