Status:

NOT_YET_RECRUITING

Phosphorus-31 Spectroscopy in Phosphate Diabetes

Lead Sponsor:

Hospices Civils de Lyon

Conditions:

Phosphate Diabetes

X-linked Hypophosphatemia

Eligibility:

All Genders

10+ years

Phase:

NA

Brief Summary

Phosphate diabetes is defined by urinary phosphate wasting due to impaired tubular reabsorption. It can be classified based on either a genetic or acquired origin. Chronic hypophosphatemia causes rick...

Eligibility Criteria

Inclusion

  • Inclusion Criteria for Patients:
  • Patient ≥ 10 years old with phosphate diabetes, i.e., genetically confirmed XLH or phosphate diabetes of another origin characterized by hypophosphatemia with a decreased Tm/GFR.
  • Patient has given consent to participate in the study.
  • Signed consent (by both legal representatives for minor patients).
  • Patient regularly followed up within the pediatric nephrology services at the Femme Mère Enfant hospital and the nephrology-functional exploration services at the Edouard Herriot hospital.
  • Inclusion Criteria for Pediatric Controls:
  • Patient aged 10 to 17 years, without chronic kidney disease, without hypophosphatemia, without muscular abnormalities, and without growth disorders.
  • Patient has given consent to participate in the study.
  • Signed consent (by both legal representatives for minor patients).
  • Patient regularly followed up within the pediatric nephrology services at the Femme Mère Enfant hospital.
  • Inclusion Criteria for Adult Controls:
  • Patient without chronic kidney disease, without hypophosphatemia, without muscular abnormalities, and without malnutrition.
  • Patient has given consent to participate in the study.
  • Signed consent.
  • Patient regularly followed up within the renal functional exploration services at the Edouard Herriot hospital.

Exclusion

  • Pregnant, parturient, or breastfeeding women
  • Individuals deprived of liberty by a judicial or administrative decision
  • Individuals receiving psychiatric care
  • Individuals admitted to a healthcare or social institution for purposes other than research
  • Adults under legal protection (guardianship, curators)
  • Individuals not affiliated with a social security system or benefiting from a similar scheme
  • Subjects participating in another interventional study with an exclusion period still in effect at pre-inclusion
  • General contraindications for MRI: wearing a pacemaker/ICD (implantable cardiac device) or mechanical heart valves not MRI-compatible, presence of non-MRI-compatible equipment, presence of metallic objects.

Key Trial Info

Start Date :

May 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 1 2027

Estimated Enrollment :

65 Patients enrolled

Trial Details

Trial ID

NCT06921720

Start Date

May 1 2025

End Date

May 1 2027

Last Update

April 13 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Hôpital femme mère enfant, hospices civils de Lyon

Bron, France, 69500

2

Hôpital Edouard Herriot, Hospices Civils de Lyon

Lyon, France, 69003