• Jiaming Zhang, Ying Ma, Qianhe Zu, Xiaohui Wang, and Yao Zhang.
• Department of Endocrinology and.
• Medicine (Baltimore). 2024 Sep 27; 103 (39): e39799e39799.

RationaleGlucagon-like peptide-1 is an endogenous incretin that plays an active role in weight loss and hypoglycemia. Dulaglutide is a long-acting glucagon-like peptide-1 receptor agonist (GLP-1RA), which has been approved for the treatment of patients with type 2 diabetes (T2D). GLP-1RAs can increase insulin secretion and inhibit glucagon release, thereby leading to a decrease in blood glucose levels within the body. Specifically, GLP-1RAs control postprandial blood glucose levels by inhibiting hepatic glucose production and delaying gastric emptying. However, attention should be given to gastrointestinal adverse reactions. There are currently a few cases of GLP-1RA causing diabetic ketoacidosis (DKA).Patient ConcernsThe following report details the case of a 50-year-old Chinese female who has been living with diabetes for 12 years. Initially diagnosed with T2D, she was subsequently identified as a patient with latent autoimmune diabetes in adults (LADA) following treatment. The patient presented severe nausea, vomiting, and fatigue 1 day after injecting dulaglutide 1 time and discontinuing insulin therapy. She was diagnosed with severe DKA in the emergency department.DiagnosesLADA and DKA.InterventionsChanged from dulaglutide to insulin therapy.OutcomesAfter discontinuing dulaglutide and switching to insulin for blood glucose reduction, the patient's DKA was corrected, and blood glucose levels returned to normal.LessonsThis case suggests that clinicians should be alert to patients with severe DKA in cases of severe gastrointestinal adverse reactions after the use of GLP-1RAs. In addition, in most countries, GLP-1RAs are administered to patients with T2D, but we should consider the use of GLP-1RAs in patients with type 1 diabetes and LADA.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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