Thyroid disease

Teprotumumab-Related Hyperglycemia

J Clin Endocrinol MetabPublished Longitudinal observational cohort study

Authors' conclusion

While effective, teprotumumab carries a significant risk of hyperglycemia, especially in patients with diabetes. Hyperglycemia may persist after stopping teprotumumab. These findings underscore the importance of guidelines for screening and management of teprotumumab-related hyperglycemia.

Study context

Population
All consecutive patients with Graves orbitopathy treated with teprotumumab, March 2020–May 2022, 1 academic institutionmean follow-up 47.5 weeks
Participants
42 patients
Exposure
Normoglycemia vs Prediabetes vs Diabetes
  • Normoglycemian = 22
  • Prediabetesn = 10
  • Diabetesn = 10
Outcome
Incidence, severity, management and longitudinal glycemic changes (HbA1c every 3 months)
Methodological detailssingle-institution, consecutive patients, Hemoglobin A1c (HbA1c) measured every 3 months
  • Single-institution
  • Consecutive patients
  • HbA1c measured every 3 months

Main finding

As reported in the abstract

3 months (HbA1c)
GroupValueP
Diabetesleast-squares mean change 1.3P < .001
Prediabetesleast-squares mean change 0.7P = .01
Normoglycemialeast-squares mean change 0.1P = .41

Value

Diabetesleast-squares mean change 1.3
Prediabetesleast-squares mean change 0.7
Normoglycemialeast-squares mean change 0.1

P

DiabetesP < .001
PrediabetesP = .01
NormoglycemiaP = .41
Overall HbA1c increase at 3 months
0.5%
Hyperglycemia
22 patients (52%)
Graded mild
55% (12/22)
Graded moderate
41% (9/22)
Graded life-threatening
5% (1/22)

Observational data: associations, not effects.

Further findings

Risk factors for hyperglycemia

Age, pre-existing diabetes, and Hispanic and Asian race/ethnicity were significant risk factors

Return to baseline glycemic status among patients with hyperglycemia · last follow-up

Returned to baseline glycemic status
36.4% (8/22)

Safety

Hyperglycemia
22 patients (52%)
Life-threatening hyperglycemia
5% (1/22)

Original publication

Teprotumumab-Related Hyperglycemia. J Clin Endocrinol Metab. Published 27 October 2022. doi:10.1210/clinem/dgac627

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