Type 1 diabetes

Body-weight Cycling and Risk of Diabetic Kidney Disease in People With Type 1 Diabetes in the Diabetes Control and Complications Trial (DCCT)/Epidemiology of Diabetes Interventions and Complications (EDIC) Population

J Clin Endocrinol MetabPublished Retrospective cohort study

Authors' conclusion

Body-weight cycling is significantly associated with an increased risk of kidney events in people with type 1 diabetes, regardless of body mass index and traditional risk factors.

Study context

Population
People with T1D, DCCT/EDIC participants; body-weight variability over DCCT follow-up (6 ± 2 years)
Participants
1,432 people
Exposure
Body-weight cycling
Outcome
Progression to CKD (six criteria) by VIM, the main index of body-weight variability
Follow-up
DCCT/EDIC (21 ± 4 years)
Methodological detailssecondary analysis of DCCT/EDIC data, Cox analyses
  • Secondary analysis of DCCT/EDIC data
  • Cox analyses

Main finding

As reported in the abstract

Renal events per 1 SD of VIM

40% decline in eGFR from baseline: HR, 95% CI 1.09-1.41, P = .001

1.25

Doubling of baseline serum creatinine: HR, 95% CI 1.13-1.57, P = .001

1.34

Chronic kidney disease (CKD) stage 3: HR, 95% CI 1.12-1.63, P = .002

1.36

Observational data: associations, not effects.

Further findings

Moderately and severely increased albuminuria

Variability independent of the mean (VIM) associated with incidence, but not significant after adjustment for follow-up covariates

Other indices of body-weight cycling

Similar results observed

Original publication

Body-weight Cycling and Risk of Diabetic Kidney Disease in People With Type 1 Diabetes in the DCCT/EDIC Population. J Clin Endocrinol Metab. Published 4 February 2025. doi:10.1210/clinem/dgae852

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