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GLP-1 RA and dual GIP/GLP-1 RA treatment in MODY: a descriptive case series
Alina Z Mehdi1, Lily Deng2, Colby L Chase3
1Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA.
Introduction:
Glucagon-like peptide-1 receptor agonists (GLP-1 RA) and dual glucose insulinotropic polypeptide (GIP)/GLP-1 RA are widely prescribed, but their effectiveness in different subtypes of maturity-onset diabetes of the young (MODY) is unknown.
Research Design And Methods:
We present a descriptive case series of individuals from two MODY cohorts who used GLP-1 RA or dual GIP/GLP-1 RA. Paired t tests were used to compare HbA1c, body mass index (BMI), and sulfonylurea (SU) dose before and after GLP-1 RA or dual GIP/GLP-1 RA therapy.
Results:
10 individuals (4 hepatocyte nuclear factor-1α (HNF1A)-MODY, 4 hepatocyte nuclear factor-4α (HNF4A)-MODY, 1 ATP-binding cassette transporter subfamily C member 8 (ABCC8)-MODY, 1 hepatocyte nuclear factor-1β (HNF1B)-MODY) were identified who used GLP-1 RA or dual GIP/GLP-1 RA. In patients with HNF1A-MODY and HNF4A-MODY, GLP-1 RA reduced HbA1c by 1.3% (p=0.010), BMI by 2.90 kg/m2 (p=0.008), and total daily dose of SU by 66.6% (p=0.005). Dual GIP/GLP-1 RA treatment led to a non-statistically significant decrease in HbA1c of 1.8% (p=0.104), a statistically significant reduction in BMI of 8.73 kg/m2 (p=0.010), and all patients discontinued SU (n=2) and one discontinued insulin. In patients with ABCC8-MODY and HNF1B-MODY, GLP-1 RA reduced HbA1c by 1.2% and 1.8%, BMI by 1.1 kg/m2 and 1.2 kg/m2, and the patients no longer required treatment with SU or insulin, respectively.
Conclusions:
GLP-1 RA and dual GIP/GLP-1 RA lowered HbA1c, BMI, and SU dose in patients with MODY.
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