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Adipose Cellular Kinetics of Lipedema — LIPEDEMA  

Lipedema Clinical Trial

Official title:
A Novel Approach to Examine the Adipose Cellular Kinetics of Lipedema

Clinical Trial Summary

Lipedema is characterized by an abnormal deposition of adipose tissue, resulting in fluid accumulation, limb enlargement, and pain. Lipedema is often misdiagnosed as simply obesity. A major challenge with diagnosis is the poorly understood biology underlying the disease. Limited studies suggest that the development of lipedema may involve adipocyte hypertrophy, increased commitment of adipose progenitor cells, hypoxia, adipocyte necrosis and macrophage recruitment. There remains an urgent need to investigate novel characteristics of adipose remodeling that may contribute to the pathogenesis of lipedema. The study investigators have reported quantitative measures of in vivo adipose kinetics using an 8-week incorporation of deuterium (administered as 2H2O) into the adipose tissue of women with obesity. The objective of this proposal is to utilize the metabolic 2H-labeling approach to measure, for the first time, in vivo adipocyte formation and triglyceride synthesis in the adipose tissue of participants with lipedema. Imaging approaches will provide a range of measurements to characterize the lipedema depots. The investigators hypothesize that lipedema adipose depots will have higher rates of adipocyte formation and triglyceride synthesis than both non-lipedema depots and those of women with traditional obesity. Lipedema may involve adipose tissue remodeling, characterized by adipocyte hypertrophy and increased commitment of preadipocytes and differentiation of adipocytes (adipogenesis), yielding an abundance of adipocytes with limited capacity to expand and accommodate lipid, resulting in hypoxia, macrophage recruitment, and local/systemic inflammation. Findings from this proposal will contribute to a better understanding of the pathogenesis of lipedema and may provide insight for the future development of therapeutic targets.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05394467
Study type Observational
Source Pennington Biomedical Research Center
Contact Ursula White, PhD
Phone 2257632656
Email ursula.white@pbrc.edu
Status Recruiting
Phase
Start date April 7, 2022
Completion date March 2024
View Details
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