Status:

RECRUITING

Relevant Outcome Measures for Creatine Transporter Deficiency Patient

Lead Sponsor:

Hospices Civils de Lyon

Conditions:

Creatine Transporter Defect

Eligibility:

All Genders

2-60 years

Phase:

NA

Brief Summary

Creatine transport deficiency (CTD) is a rare genetic disorder related to pathogenic variants in the SLC6A8 gene, located on chromosome Xq28. Clinical diagnosis of CTD is based on clinical presentatio...

Eligibility Criteria

Inclusion

  • Inclusion Criteria:
  • Male CTD patients (n=24)
  • Male CTD patients having a confirmed mutation in the SLC6A8 gene,
  • Aged \> 5 to \< 35 years
  • Whose maternal language is French,
  • Having signed the informed consent and/or for whom parents/legal guardian have signed the informed consent,
  • Affiliated to national Health Insurance system or parents/legal guardian affiliated to national health insurance system.
  • Female CTD patients (n=15)
  • Female CTD patients having a confirmed mutation in the SLC6A8 gene,
  • Aged \> 5 to \< 60 years,
  • Whose maternal language is French,
  • Having signed the informed consent and/or for whom parents/legal guardian have signed the informed consent.
  • Affiliated to national Health Insurance system (sécurité sociale) or parents/legal guardian affiliated to national health insurance system
  • Sex- and chronological age-matched controls (n=24)
  • Male
  • Aged \> 5 to \< 35 years
  • Whose maternal language is French,
  • Having signed the informed consent and/or for whom parents/legal guardian have signed the informed consent,
  • Affiliated to national health insurance system or parents/legal guardian affiliated to national health insurance system.
  • Sex- and chronological age-matched female controls (n=15)
  • female,
  • Aged \> 5 to \< 60 years,
  • Whose maternal language is French,
  • Having signed the informed consent and/or for whom parents/legal guardian have signed the informed consent
  • Affiliated to national Health Insurance system (sécurité sociale) or parents/legal guardian affiliated to national health insurance system
  • Sex- and mental age-matched controls (n=39)
  • Male and female
  • Aged \> 2 to \< 8 years
  • Whose maternal language is French,
  • For whom parents/legal guardian have signed the informed consent,
  • Affiliated to national health insurance system or parents/legal guardian affiliated to national health insurance system.
  • Typically developed children (n=80)
  • Male and female
  • Aged \> 2 to \< 8 years
  • Whose maternal language is French,
  • For whom parents/legal guardian have signed the informed consent,
  • Affiliated to national health insurance system or parents/legal guardian affiliated to national health insurance system.
  • Sex- and chronological age-matched controls and Sex- and mental age-matched controls, aged \< 8 years, could also be included in the Typically developed children group, as the data from the Typically developed children are only necessary to complete the developmental trajectory of the new tasks.
  • Non-inclusion Criteria:
  • CTD patients (n=39):
  • Having a contraindication to the MRI examination (people using a pacemaker or an insulin pump, people wearing a metal prosthesis or an intracerebral clip, and claustrophobic subjects),
  • Refusal of the subject and/or the subject's parents to be informed of possible abnormalities detected by MRI,
  • Refusal of the subject and/or the subject's parents/legal guardian to be informed of possible abnormalities detected during the cardiac assessment.
  • Sex- and chronological age-matched controls (n=39)
  • History of neurological or psychiatric disorder,
  • Repetition of a grade,
  • Learning disability requiring rehabilitation (speech therapy, psychomotor or oculomotor therapy),
  • For participants agreeing on performing the MRI examination, having a contraindication to the MRI examination (use of a pacemaker or an insulin pump, people wearing a metal prosthesis or an intracerebral clip, and claustrophobic subjects) and refusal of the subject and/or the subject's parents/legal guardian to be informed of possible abnormalities detected by MRI.
  • Sex- and mental age-matched controls (n=39)
  • History of neurological or psychiatric disorder,
  • Repetition of a grade,
  • Learning disability requiring rehabilitation (speech therapy, psychomotor or oculomotor therapy).
  • Typically developed children (n=80)
  • History of neurological or psychiatric disorder,
  • Repetition of a grade,
  • Learning disability requiring rehabilitation (speech therapy, psychomotor or oculomotor therapy).

Exclusion

    Key Trial Info

    Start Date :

    March 13 2023

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    December 13 2026

    Estimated Enrollment :

    197 Patients enrolled

    Trial Details

    Trial ID

    NCT06018519

    Start Date

    March 13 2023

    End Date

    December 13 2026

    Last Update

    December 2 2025

    Active Locations (1)

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    Woman, mother and child hospital, Hospices Civils de Lyon

    Bron, France, 69500