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Medicine (Baltimore). 2015 Aug;94(33):e1332. doi: 10.1097/MD.0000000000001332.

Assessment of Blood Glucose Regulation and Safety of Resistant Starch Formula-Based Diet in Healthy Normal and Subjects With Type 2 Diabetes.

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From the Division of Endocrinology and Metabolism, Department of Internal Medicine, Chang Gung Memorial Hospital and Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan (C-HL); Lee's Diabetes Clinic, Pingtung (D-MC); Department of Internal Medicine, National Cheng-Kung University Hospital, Tainan (D-JW); Department of Dietetics (H-YP); and Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan (L-MC).


To evaluate the effects of the new resistant starch (RS) formula, PPB-R-203, on glucose homeostasis in healthy subjects and subjects with type 2 diabetes.A cohort consisting of 40 healthy participants received test and control diets and was checked for up to 3 hours post-meal. A randomized, 2-regimen, cross-over, comparative study was conducted in 44 subjects with type 2 diabetes and glycemic control was assessed with a continuous glucose monitoring system.In healthy participants, serum glucose values and incremental areas under the glucose curves (AUC) were significantly lower in the PPB-R-203 than the control group (P < 0.05). In patients with type 2 diabetes, mean blood glucose concentrations for subjects on the control regimen were higher than those for subjects on the PPB-R-203-based regimen (7.9 ± 1.7, 95% confidence interval [CI] 7.4-8.4 vs 7.4 ± 1.6, 95% CI 6.9-7.9 mmol/L, respectively; P = 0.023). AUCs for total blood glucose and hyperglycemia (glucose >10 mmol/L) were also reduced for subjects on the PPB-R-203-based regimen as compared with those on control regimen (total blood glucose: 16.2 ± 4.0, 95% CI 14.9-17.4 vs 18.7 ± 4.0, 95% CI 17.6-20.1, P < 0.001; hyperglycemia: 4.9 ± 5.7, 95% CI 3.1-6.6 vs 6.3 ± 6.4, 95% CI 4.3-8.3 mmol/L × day, P = 0.021). However, AUC measurements for hypoglycemia (glucose <3.9 mmol/l) were not statistically significant.A PPB-R-203-based diet reduced postprandial hyperglycemia in patients with type 2 diabetes without increasing the risk of hypoglycemia or glucose excursion.

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