Obesity

Cardiometabolic Gains Unrelated to Weight Loss–Adjusted Body Fat or Distribution Changes in Adults With and Without Diabetes

Obesity (Silver Spring)Published Secondary analysis of two weight-loss intervention studies

Authors' conclusion

Cardiometabolic improvements from weight loss appear independent of changes in body fat percentage or fat distribution.

Study context

Population
Adults with obesity and T2D (Study I) and adults with overweight/obesity without diabetes (Study II)
Comparison
Weight loss-adjusted changes in body fat % or fat distribution vs cardiometabolic changes
Primary endpoint
Association of weight loss-adjusted changes in body composition or fat distribution with cardiometabolic improvements
Methodological detailsregression adjustment for baseline values and weight loss
  • Regression adjustment for baseline values and weight loss

Primary result

As reported in the abstract

Association of weight loss-adjusted body fat % or fat distribution changes with cardiometabolic changes
  • No cardiometabolic changes were associated with weight loss-adjusted changes in body fat percentage or fat distribution

Further findings

Body weight decrease; fat mass share of weight lost

Fat mass share of weight lost Study I 64% (95% CI: 0.51%-0.77%) · Study II 77% (95% CI: 0.68%-0.86%)

Insulin sensitivity

Clamp-derived insulin sensitivity increase (Study I)
50%
HOMA-IR decrease in both studies
26%

Original publication

Cardiometabolic Gains Unrelated to Weight Loss–Adjusted Body Fat or Distribution Changes in Adults With and Without Diabetes. Obesity (Silver Spring). Published 25 January 2026. doi:10.1002/oby.70123

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