No increased risk of hypoglycaemic episodes during 48 h of subcutaneous glucagon-like-peptide-1 administration in fasting healthy subjects

2009 ◽  
Vol 71 (4) ◽  
pp. 500-506 ◽  
Author(s):  
Susanne Lerche ◽  
Liselotte Soendergaard ◽  
Joergen Rungby ◽  
Niels Moeller ◽  
Jens Juul Holst ◽  
...  
1998 ◽  
Vol 95 (6) ◽  
pp. 719-724 ◽  
Author(s):  
C. Mark B. EDWARDS ◽  
Jeannie F. TODD ◽  
Mohammad A. GHATEI ◽  
Stephen R. BLOOM

1. Glucagon-like peptide-1 (7-36) amide (GLP-1) is a gut hormone released postprandially that stimulates insulin secretion, suppresses glucagon secretion and delays gastric emptying. The insulinotropic action of GLP-1 is more potent under hyperglycaemic conditions. Several published studies have indicated the therapeutic potential of subcutaneous GLP-1 in non-insulin-dependent (Type 2) diabetes mellitus. 2. We investigated whether subcutaneous GLP-1, at a dose shown to improve glycaemic control in early Type 2 diabetes, is insulinotropic at normal fasting glucose concentrations. A double-blind, randomized, crossover study of 10 healthy subjects injected with GLP-1 or saline subcutaneously after a 16 h fast was performed. The effect on cardiovascular parameters was also examined. 3. GLP-1 caused a near 5-fold rise in plasma insulin concentration. After treatment with GLP-1, circulating plasma glucose concentrations fell below the normal range in all subjects. One subject had symptoms of hypoglycaemia after GLP-1. A rise in pulse rate was found which correlated with the fall in plasma glucose concentration. An increase in blood pressure occurred with GLP-1 injection which was seen at the same time as the rise in plasma GLP-1 concentrations. 4. This study indicates that subcutaneous GLP-1 can override the normal homoeostatic mechanism maintaining fasting plasma glucose in man, and is also associated with an increase in blood pressure.


Nutrition ◽  
2018 ◽  
Vol 55-56 ◽  
pp. 125-130 ◽  
Author(s):  
Amornpan Lertrit ◽  
Sasinee Srimachai ◽  
Sunee Saetung ◽  
Suwannee Chanprasertyothin ◽  
La-or Chailurkit ◽  
...  

2011 ◽  
Vol 107 (10) ◽  
pp. 1445-1451 ◽  
Author(s):  
Riitta Törrönen ◽  
Essi Sarkkinen ◽  
Tarja Niskanen ◽  
Niina Tapola ◽  
Kyllikki Kilpi ◽  
...  

Berries are often consumed with sucrose. They are also rich sources of polyphenols which may modulate glycaemia after carbohydrate ingestion. The present study investigated the postprandial glucose, insulin and glucagon-like peptide 1 (GLP-1) responses to sucrose ingested with berries, in comparison with a similar sucrose load without berries. A total of twelve healthy subjects were recruited to a randomised, single-blind, placebo-controlled crossover study. They participated in two meal tests on separate days. The berry meal was a purée (150 g) made of bilberries, blackcurrants, cranberries and strawberries with 35 g sucrose. The control meal included the same amount of sucrose and available carbohydrates in water. Fingertip capillary and venous blood samples were taken at baseline and at 15, 30, 45, 60, 90 and 120 min after starting to eat the meal. Glucose, insulin and GLP-1 concentrations were determined from the venous samples, and glucose also from the capillary samples. Compared to the control meal, ingestion of the berry meal resulted in lower capillary and venous plasma glucose and serum insulin concentrations at 15 min (P = 0·021,P < 0·007 andP = 0·028, respectively), in higher concentrations at 90 min (P = 0·028,P = 0·021 andP = 0·042, respectively), and in a modest effect on the GLP-1 response (P = 0·05). It also reduced the maximum increases of capillary and venous glucose and insulin concentrations (P = 0·009,P = 0·011 andP = 0·005, respectively), and improved the glycaemic profile (P < 0·001 andP = 0·003 for capillary and venous samples, respectively). These results suggest that the glycaemic control after ingestion of sucrose can be improved by simultaneous consumption of berries.


2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Wei-Yih Chiu ◽  
Shyang-Rong Shih ◽  
Chin-Hsiao Tseng

There is a concern on the risk of thyroid cancer associated with glucagon-like peptide-1 (GLP-1) analogs including liraglutide and exenatide. In this article, we review related experimental studies, clinical trials and observational human studies currently available. In rodents, liraglutide activated the GLP-1 receptors on C-cells, causing an increased incidence of C-cell neoplasia. Animal experiments with monkeys demonstrated no increase in calcitonin release and no C-cell proliferation after long-term liraglutide administration. Longitudinal 2-year data from clinical trials do not support any significant risk for the activation or growth of C-cell cancer in humans in response to liraglutide. However, an analysis of the FDA adverse event reporting system database suggested an increased risk for thyroid cancer associated with exenatide after its marketing. Noticeably, a recent study discovered that GLP-1 receptor could also be expressed in human papillary thyroid carcinomas (PTC), but the impact of GLP-1 analogs on PTC is not known. Therefore, GLP-1 analogs might increase the risk of thyroid C-cell pathology in rodents, but its risk in humans awaits confirmation. Since GLP-1 receptor is also expressed in PTC besides C-cells, it is important to investigate the actions of GLP-1 on different subtypes of thyroid cancer in the future.


2020 ◽  
Vol 20 (1) ◽  
pp. 19-24
Author(s):  
Thomas SJ Crabtree ◽  
Mahender Yadagiri ◽  
Ian Gallen ◽  
Suzanne Phillips ◽  
Alison Evans ◽  
...  

Introduction: People with type 2 diabetes are known to be at increased risk of non-alcoholic fatty liver disease (NAFLD). There is increasing evidence of diabetes treatments with benefits of also improving NAFLD. Although mostly focused on glucagon-like peptide 1 agonists, sodium-glucose linked transporter 2 inhibitors may also have some promise in improving markers of NAFLD.Method: Data were extracted from the ABCD nationwide dapagliflozin audit tool. Alanine aminotransferase (ALT) was available in these data and was used as a marker of liver inflammation. Patients were stratified based on baseline ALT levels to see if this predicted response to treatment.Results: 1,873 patients were included for analysis (mean±SD age 58.7±10 years, 60.8% male, median duration of diabetes 3.5 years (IQR 1.5–9)) and were followed up in this study for an average of 11.4 months. Where known (n=280), 60.8% of these were Caucasian. Baseline HbA1c was 78±17.2 mmol/mol, weight 102.1±22.5 kg and body mass index (BMI) 34.2±7.6 kg/m2. Median ALT reduction overall was 4 U/L (95% CI 3 to 4; p<0.001). Reductions in weight (3.2 kg; 95% CI 2.9 to 3.5), BMI (0.9 kg/m2, 95% CI 0.6 to 1.2) and HbA1c (10.8 mmol/mol, 95% CI 10.1 to 11.5) (0.9%, 95% CI 0.8% to 1.0%) were all significant (p<0.001). Where ALT was elevated at baseline (>19 U/L female; >30 U/L male), the median reduction in ALT was 5 U/L in women (95% CI 4 to 6; p<0.0001) and 10 U/L in men (95% CI 8 to 11; p<0.0001). Stratified into three groups by ALT using the male reference range and twice this, there were reductions in ALT in all groups, which was greatest (24 U/L 95% CI 20 to 27) in the subgroup with baseline ALT >59 U/L.Conclusion: Our observational data suggest significant reductions in ALT as a possible marker of liver inflammation in those taking dapagliflozin. This appears to be greatest in those with the most elevated levels at baseline.


2021 ◽  
pp. 1-29
Author(s):  
Marina V. Geraldi ◽  
Cínthia B. B. Cazarin ◽  
Marcelo Cristianini ◽  
Ana C. Vasques ◽  
Bruno Geloneze ◽  
...  

Abstract Jabuticaba is a Brazilian berry rich in polyphenols, which may exert beneficial effects on metabolic diseases. This randomized crossover study aimed to determine the effects of jabuticaba juice (250 ml in a portion) on postprandial response. Sixteen healthy subjects (11 women; 5 men; 28.4 ± 3.8 years old; body mass index (BMI) 21.7 ± 2.3 kg m−2) consumed two test products after fasting overnight in a randomized controlled crossover design. Each test product portion had a similar composition of sugar components: 250 mL water with glucose, fructose, colored with artificial non-caloric food colorings (placebo); and 250 mL of jabuticaba juice. Beverages were administered immediately before a carbohydrate meal. Blood samples were collected at 0, 15, 30, 45, 60, 90, and 120 min after each test product to analyze the concentrations of glucose, insulin, C-peptide, antioxidant capacity, plasma glucagon-like peptide-1 (GLP-1), and appetite sensations. Compared to the placebo, the intake of jabuticaba juice resulted in a higher GLP-1 response as the area under the curve (AUC) and peaking at 60 min. Jabuticaba juice also resulted in higher antioxidant capacity. Postprandial glucose, insulin, C-peptide levels, and appetite sensations were not significantly different between tests. In conclusion, 250 mL of jabuticaba juice before a carbohydrate meal was able to improve the antioxidant status and GLP-1 concentrations in healthy subjects.


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