This is an observational, multicentre, international study over a 2-year follow-up period. The aim of this study is to understand how XLHED affects the lives of young male patients and their families over time. By studying the natural course of the disease and its impact, the study could improve the understanding of the challenges faced by these patients and their families.
XLHED is a rare genetic condition that affects more severely males. The main symptoms are missing or reduced ability to sweat, leading to a risk of dangerous overheating, as well as few or no teeth and sparse hair. This condition can significantly impact the daily lives of patients and their families. Given the rarity of the disease and the purely descriptive purposes of the study, all eligible patients may be included over a period of approximately 12 months. It is expected to include between 20 and 30 male patients over one year of enrolment in France and Germany. Statistical analysis: will be descriptive with no hypothesis tested. Questionnaires will be completed by the child's parent at inclusion and at 1 and 2 years after the inclusion data
Study Type
OBSERVATIONAL
Enrollment
27
Necker hospital
Paris, France
Uniklinikum Erlangen
Erlangen, Germany
Age
mean age
Time frame: At inclusion
Ectodysplasin A (EDA) characterization of the mutation (null or hypomorphic)
% of patients
Time frame: at inclusion
Mean sweat volume (µL)
mean (µL)
Time frame: at inclusion
Mean sweat volume (µL)
mean (µL)
Time frame: at one year
Mean sweat volume (µL)
mean (µL)
Time frame: at two years
Sweat pore density
% of patients with normal/abnormal sweat pore density
Time frame: at inclusion
Sweat pore density
% of patients with normal/abnormal sweat pore density
Time frame: at one year
Sweat pore density
% of patients with normal/abnormal sweat pore density
Time frame: at two years
Dentition problem (anodontia, hypodontia, oligodentia)
% of patients
Time frame: at inclusion
Dentition problem (anodontia, hypodontia, oligodentia)
% of patients
Time frame: at one year
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Dentition problem (anodontia, hypodontia, oligodentia)
% of patients
Time frame: at two years
Dry eyes
% of patients
Time frame: at inclusion
Dry skin
% of patients
Time frame: at inclusion
Pediatric Quality of Life Inventory (PedsQL) at inclusion
mean +/- SD of the Global score
Time frame: at inclusion
PedsQL (parent report)
mean +/- SD of the Global score
Time frame: at inclusion