Thyroid disease

Clinical Phenotype of Graves Disease in Autoimmune Polyglandular Syndrome or as Isolated Disease: The GRAPHE Study

J Clin Endocrinol MetabPublished Retrospective observational study

Authors' conclusion

The results of the present study show that, despite similar clinical and biochemical phenotype at presentation, a more severe clinical course characterizes isolated GD patients compared to those whose disease is a feature of autoimmune polyglandular syndrome.

Study context

Population
Patients with graves disease (GD) diagnosed and regularly followed at outpatient clinics for Endocrinology, Nuclear Medicine and Clinical Surgery, January 1, 2010, to June 30, 2024; 77% women
Participants
567 patients
Exposure
Isolated GD vs GD as part of autoimmune polyglandular syndrome
Outcome
Clinical course: Graves orbitopathy, definitive therapy, time from onset to definitive therapy

Main finding

As reported in the abstract

  • Isolated GD vs GD1-APS and GD2-APS: P < 0.001
  • Isolated GD vs GD1-APS and GD2-APS: P < 0.001
  • Isolated GD vs GD1-APS and GD2-APS: P < 0.001

Observational data: associations, not effects.

Further findings

Characteristics at disease onset

3 groups superimposable for gender
P = 0.086
3 groups superimposable for FT4
P = 0.899
3 groups superimposable for FT3
P = 0.434
3 groups superimposable for TRAb titers
P = 0.882
3 groups superimposable for thyroid volume
P = 0.840

Original publication

Clinical Phenotype of Graves Disease in Autoimmune Polyglandular Syndrome or as Isolated Disease: The GRAPHE Study. J Clin Endocrinol Metab. Published 1 March 2025. doi:10.1210/clinem/dgaf144

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