Lipids & metabolic liver disease

Histological efficacy of anti‐diabetic agents in MASH and the mediating role of weight loss: A network meta‐analysis

Diabetes Obes MetabPublished Network meta-analysis of randomised controlled trials

Authors' conclusion

SGLT2 inhibitor and incretin-based agents improved fibrosis in MASH, with weight loss being a significant mediator. Targeting multiple incretin pathways, especially involving glucagon receptors, may offer greater MASH resolution. Dose-dependent effects were more prominent for MASH resolution than fibrosis improvement, indicating potential weight-loss-independent anti-fibrotic pathways.

Study context

Population
Biopsy-confirmed MASH without cirrhosis
Participants
1,667 participants5 RCTs
Comparison
Anti-diabetic agents vs placebo
Outcome
Fibrosis improvement (≥1 stage) without worsening steatohepatitis
Methodological detailsfrequentist, random-effects, dose-stratified incretin-based agents, SUCRA ranking, meta-regression
  • Frequentist
  • Random-effects
  • Dose-stratified incretin-based agents
  • SUCRA ranking
  • Meta-regression

Pooled result

As reported in the abstract

Heterogeneity I2

0%

Further pooled results

MASH resolution without fibrosis worsening

Heterogeneity I2 (dose-dependent effects)
73%
SUCRA, survodutide (highest ranking)
0.822-0.849
SUCRA, tirzepatide
0.622-0.681
SUCRA, higher-dose semaglutide
0.327
Lower-dose semaglutide showed no benefit
Dapagliflozin showed benefit in F2-F3 subgroup only on sensitivity analysis

Meta-regression: weight loss explaining heterogeneity in treatment effects

R2, fibrosis improvement
54.26%
R2, MASH resolution
78.16%
  • 16 interventions, including placebo arms

Original publication

Histological efficacy of anti‐diabetic agents in MASH and the mediating role of weight loss: A network meta‐analysis. Diabetes Obes Metab. Published 8 October 2025. doi:10.1111/dom.70187

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