Endocrine oncology

Increased risk of diabetes mellitus and hyperlipidemia in patients with differentiated thyroid cancer

Eur J EndocrinolPublished Population-based cohort study

Main finding · Composite CMDResult — go to the resultHazard ratio 1.11 95% CI 1.04–1.19

Authors' conclusion

Patients with DTC had an increased risk of CMD, especially DM and hyperlipidemia, but a low risk of CMD mortality. Special attention to metabolic diseases is required in the long-term follow-up of patients with DTC.

Study context

Population
Patients with differentiated thyroid cancer (DTC) and matched controls, population-based nationwide cohort in Koreamatched cohort
Participants
2,649 vs 7,947
Exposure
DTC vs matched controls
  • DTCn = 2,649
  • Controlsn = 7,947reference
Outcome
Composite of cardiometabolic disease (CMD):
  • DM
  • Hypertension
  • Hyperlipidemia
  • Cerebrovascular disease
  • Ischemic heart disease
Methodological detailsnationwide, matched controls
  • Nationwide
  • Matched controls

Main finding

Composite CMD

Hazard ratio

1.11

95% CI 1.04–1.19

DTCvs Controls
HR 1.11 (95% CI 1.04–1.19)

As reported in the abstract

Observational data: associations, not effects.

Secondary outcomes

OutcomeHR (95% CI)
DM1.22 (1.08–1.38)
Hyperlipidemia1.36 (1.24–1.48)
CMD-specific mortality0.24 (0.09–0.68)

Daily levothyroxine dose and diabetes mellitus (DM) / hyperlipidemia risk in DTC

Nonlinear, U-shaped relationship between daily LT4 dose and DM risk
P = 0.021
Low hyperlipidemia risk with high LT4 doses
P = 0.003

Original publication

Increased risk of diabetes mellitus and hyperlipidemia in patients with differentiated thyroid cancer. Eur J Endocrinol. Published 27 March 2024. doi:10.1093/ejendo/lvae026

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