• Ying Zhou, Yan Zhao, Tao Yuan, Nan Jiang, Yingyue Dong, Yunjiao Yang, Li Wang, Jiuliang Zhao, Le Min, and Weigang Zhao.
• Endocr Pract. 2018 Jan 1; 24 (1): 60-68.

ObjectiveHigh-dose glucocorticoids (HDG) are used in the treatment of autoimmune diseases. Glucocorticoids-induced hyperglycemia (GIH) is often described in elderly patients. In young patients with autoimmune diseases, however, the risk for GIH has not been well characterized.MethodsWe recruited 24 inpatients (median age, 32 years; interquartile range, 25-42) with exacerbations of autoimmune diseases, receiving 1 to 2 mg/kg/day prednisone or equivalent methylprednisone. Fourteen subjects were naïve to glucocorticoids (group 1) and 10 subjects were on glucocorticoid maintenance (≤15 mg/day prednisone at least 3 months) (group 2) prior to HDG. All subjects were monitored by continuous glucose monitoring system (CGMS) for 3 days.ResultsGIH developed in 21 (91%) subjects, 11/13 in group 1 and 10/10 in group 2. The main peak of glucose excursion (128.7 ± 6.4 mg/dL, group 1; 143.9 ± 10.0 mg/dL, group 2) occurred at 2 to 3 pm. Another peak occurred before sleep. Two-hour mean postprandial glucose levels were normal in both groups: breakfast, 105.0 ± 28.4 versus 125.6 ± 24.4 mg/dL, P = .065; lunch, 115.7 ± 21.1 versus 135.9 ± 29.0 mg/dL, P = .082; dinner, 122.8 ± 18.5 versus 137.8 ± 26.4 mg/dL, P = .144 in groups 1 and 2, respectively. There was a positive association between pretreatment hemoglobin A1C and peak glucose levels ( P<.0001). Notably, 35% of our subjects experienced early morning hypoglycemia (65.2 ± 2.8 mg/dL).ConclusionIn hospitalized young patients with auto-immune diseases, CGMS data revealed that short-term consistent HDG treatment induced mild hyperglycemia, peaking in the early afternoon and before sleep. Early morning hypoglycemia was found in 35%.AbbreviationsA1C = hemoglobin A1C; AUC = the area under the curve; BG = blood glucose; BMI = body mass index; CGMS = continuous glucose monitoring system; DM = diabetes mellitus; FBG = fasting blood glucose; GA = glycated albumin; GCs = glucocorticoids; GIH = glucocorticoids-induced hyperglycemia; HDG = high-dose glucocorticoids; HOMA-IR = Homeostasis Model Assessment-Insulin Resistance; IG = interstitial glucose; IQR = interquartile range; PUMCH = Peking Union Medical College Hospital; SLE = systemic lupus erythematosus.

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