Predicting body composition in adults with obesity using bioelectrical impedance analysis.

Predicting Appendicular Lean and Fat Mass With Bioelectrical Impedance Analysis Among Adult Patients With Obesity.

University of Roma La Sapienza · NCT06545435

This study is trying to create better ways to measure body fat and muscle in adults with obesity using a method called bioelectrical impedance analysis to see if it can give more accurate results than current methods.

Quick facts

Study typeObservational
Enrollment400 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Roma La Sapienza (other)
Locations9 sites (Baton Rouge, Louisiana and 8 other locations)
Trial IDNCT06545435 on ClinicalTrials.gov

What this trial studies

This study aims to develop and validate new equations for predicting appendicular fat and lean mass in adults with obesity using bioelectrical impedance analysis (BIA). It will compare these new equations with established models and validate them against dual-energy X-ray absorptiometry (DXA) and magnetic resonance imaging (MRI) data. By utilizing existing datasets, the research seeks to improve the accuracy of BIA in assessing body composition, which is crucial for understanding obesity-related health risks and treatment approaches.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older with a body mass index (BMI) of 30 kg/m² or higher.

Not a fit: Patients with chronic diseases affecting body composition, cognitive impairments, or those who are physically active may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the accuracy of body composition assessments in obese patients, leading to better-targeted treatments and improved health outcomes.

How similar studies have performed: Previous studies have explored the use of BIA for body composition assessment, but this approach aims to refine and validate new predictive equations, making it a novel contribution to the field.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults with obesity (BMI ≥ 30 kg/m²)
* Age 18 years and older
* Available baseline DXA and BIA measurements
* Provided informed consent for data use

Exclusion Criteria:

* any chronic disease or medication that can significantly affect body composition \[eg. malignant diseases in the last 5 years, organ failure, acute inflammation (C-reactive protein\>10 mg/L) autoimmune diseases, neurological diseases, syndromic obesity\]
* cognitive impairment (Mini-Mental State Examination \<25)
* subjects that are considered physically active (athletes or very active subjects i.e., performing at least 150 minutes of moderate to vigorous physical activity per week)
* alcohol intake \>140g/wk for Males and 70g/wk for Females
* participation in a weight-reducing program (last 3 months)
* impossibility to perform DXA exam
* pregnancy and breast-feeding.

Where this trial is running

Baton Rouge, Louisiana and 8 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Obesity, Appendicular Lean Mass, Fat Mass, Body Composition, Bio-Impedance Analysis

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.