Phase II Open Label Study Using Triheptanoin in Patients With Glucose Type 1 Transporter Deficiency GLUT1-DS
NCT ID: NCT02014883
Last Updated: 2025-10-03
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE2
20 participants
INTERVENTIONAL
2013-12-04
2019-07-04
Brief Summary
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Detailed Description
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\- to evaluate the capacity of triheptanoïn to improve the condition of patients with GLUT1-DS
The secondary objectives of the study are:
* to confirm the short-term safety of triheptanoïn therapy in patients with GLUT1-DS
* to evaluate the short-term effects of triheptanoïn treatment on motor function, autonomy, quality of life and clinical signs of patients with GLUT1-DS
* to evaluate the effect of triheptanoïn on brain energy metabolism using non-invasive 31P-MRS spectroscopy after activation of the occipital cortex in order to measure the levels of high-energy phosphates (such as ATP and phosphocreatine)
Conditions
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Study Design
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NA
SINGLE_GROUP
TREATMENT
NONE
Study Groups
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GLUT1 DS
GLUT1 DS
Interventions
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GLUT1 DS
Eligibility Criteria
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Inclusion Criteria
* Age \> 3 years
* Patient with history/frequency of seizures or movement disorders documented at least 3 months prior to the beginning of the study
* Covered by french social security
* Patients who freely agree to participate in this study and understand the nature, risks and benefits of this study and give their written informed consent. (In addition to the requirement for the consent of parents or the legal representative, adolescents can provide additional informed consent to participate in clinical trials)
Exclusion Criteria
* Attendant neurological disorder
* Comorbid medical condition that would render them unsuitable for the study, e.g. HIV, diabetes
* Pregnant or parturient or lactating women
* Unwillingness to be informed in case of abnormal MRI
* Failure to give written informed consent
* Unable to understand the protocol
* Unable to participate to the whole study
* Absence of signed informed consent
* Persons deprived of their liberty by judicial or administrative decision
* Person subject to an exclusion period for another research
3 Years
ALL
No
Sponsors
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Ultragenyx Pharmaceutical Inc
INDUSTRY
Institut National de la Santé Et de la Recherche Médicale, France
OTHER_GOV
Responsible Party
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Principal Investigators
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Fanny Mochel, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Institut National de la Santé Et de la Recherche Médicale, France
Locations
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Brain and Spine Institute
Paris, , France
Countries
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References
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Hainque E, Meneret A, Gras D, Atencio M, Luton MP, Barbier M, De Saint Martin A, Billette de Villemeur T, Ottolenghi C, Roze E, Mochel F. Transition from ketogenic diet to triheptanoin in patients with GLUT1 deficiency syndrome. J Neurol Neurosurg Psychiatry. 2020 Apr;91(4):444-445. doi: 10.1136/jnnp-2019-321694. Epub 2019 Nov 6. No abstract available.
Hainque E, Gras D, Meneret A, Atencio M, Luton MP, Barbier M, Doulazmi M, Habarou F, Ottolenghi C, Roze E, Mochel F. Long-term follow-up in an open-label trial of triheptanoin in GLUT1 deficiency syndrome: a sustained dramatic effect. J Neurol Neurosurg Psychiatry. 2019 Nov;90(11):1291-1293. doi: 10.1136/jnnp-2018-320283. Epub 2019 Apr 4. No abstract available.
Mochel F, Hainque E, Gras D, Adanyeguh IM, Caillet S, Heron B, Roubertie A, Kaphan E, Valabregue R, Rinaldi D, Vuillaumier S, Schiffmann R, Ottolenghi C, Hogrel JY, Servais L, Roze E. Triheptanoin dramatically reduces paroxysmal motor disorder in patients with GLUT1 deficiency. J Neurol Neurosurg Psychiatry. 2016 May;87(5):550-3. doi: 10.1136/jnnp-2015-311475. Epub 2015 Nov 3.
Other Identifiers
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2013-A01300-45
Identifier Type: REGISTRY
Identifier Source: secondary_id
C13-37
Identifier Type: -
Identifier Source: org_study_id
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