Type 2 & other diabetes

Impact of bodyweight loss on type 2 diabetes remission: a systematic review and meta-regression analysis of randomised controlled trials

Lancet Diabetes EndocrinolPublished Systematic review and meta-regression analysis of randomised controlled trials

Authors' conclusion

A robust dose-response relationship between bodyweight loss and diabetes remission was observed, independent of age, diabetes duration, HbA1c, BMI, and type of intervention. These findings highlight the crucial role of bodyweight loss in managing type 2 diabetes and reducing the risk of diabetes-related complications.

Study context

Population
Individuals with T2D and overweight or obesity in RCTs22 publications
Comparison
Categories of bodyweight loss and T2D remission
Outcome
Proportion with complete remission (HbA1c <6.0% or FPG <100 mg/dL, or both, no glucose-lowering drugs) or partial remission (HbA1c <6.5% or FPG <126 mg/dL, or both, no glucose-lowering drugs)
Follow-up
At least 1 year after intervention
Methodological detailsCochrane and PRISMA guidelines, Data from RCTs with low risk of bias in all quality domains
  • Cochrane and PRISMA guidelines
  • Data from RCTs with low risk of bias in all quality domains

Pooled result

As reported in the abstract

Complete remission (pooled mean proportion) · 1 year after intervention
Increase in probability of complete remission per 1 percentage point decrease in bodyweight
2.17 percentage points (95% CI 1.94-2.40)

Further pooled results

Pooled mean

Outcome<10%10-19%20-29%≥30%
Partial remission (pooled mean proportion) · 1 year after intervention5.4% (95% CI 2.9–8.4)48.4% (CI 36.1–60.8)69.3% (CI 55.8–81.3)89.5% (CI 80.0–96.6)
Partial remission (pooled mean proportion) — Increase in probability of partial remission per 1 percentage point decrease in bodyweight
2.74 percentage points (2.48-3.00)

Other factors and remission

No significant or appreciable associations between age, sex, race, diabetes duration, baseline BMI, HbA1c, insulin use, or type of intervention and remission

Original publication

Impact of bodyweight loss on type 2 diabetes remission: a systematic review and meta-regression analysis of randomised controlled trials. Lancet Diabetes Endocrinol. Published 26 February 2025. doi:10.1016/s2213-8587(24)00346-2

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