Validation of BodPod in Pediatric Anorexia Nervosa (PADAAM)

  • End date
    Apr 26, 2024
  • participants needed
  • sponsor
    Hospices Civils de Lyon
Updated on 26 May 2022


Anorexia nervosa is a severe cause of undernutrition. It leads to a dramatic decrease of weight with an important modification of the body composition. During the renutrition phase, disharmonious body composition recovery is a relapse factor. Dual X-ray absorptiometry (DXA) is the gold standard to study body composition in children with anorexia nervosa. But, due to technical limits, DXA analysis needs to take in account a potential failure to thrive with an adjustment on height. Moreover DXA needs an irradiation which does not allow close repeat measurements. Since several years, a simple, non-invasive, non-irradiant method for measure of body composition has been developed in pediatrics: the air displacement plethysmography (ADP). Actually, only one device is available for this measurement: the BodPod®. However, feasibility and accuracy of ADP compare to DXA have not been evaluated in pediatric anorexia nervosa. The aim of this study is to compare the accuracy of BodPod® compare to DXA in girls with anorexia nervosa.

Condition Anorexia Nervosa
Treatment Measure of body composition by Air Displacement Plethysmography (ADP)
Clinical Study IdentifierNCT04321317
SponsorHospices Civils de Lyon
Last Modified on26 May 2022


Yes No Not Sure

Inclusion Criteria

Female patients aged between 8 and 18 years
Female with a diagnosis of anorexia nervosa according to the DSM V classification, restrictive type or hyperphagic / purgative access type, evolving for less than 3 years
Female who received explanations adapted to their level of understanding for this study
Female who expressed their consent to participate to this study
Female whose parents or holders of parental authority have been informed and signed free and informed consent
Female affiliated to a social security scheme

Exclusion Criteria

Patients with psychotic symptoms
Patients with claustrophobia
Patients with severe respiratory disease
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