GLP-1-Based Strategies: A Physiological Analysis of Differential Mode of Action

Physiology ◽  
2014 ◽  
Vol 29 (2) ◽  
pp. 108-121 ◽  
Author(s):  
Rémy Burcelin ◽  
Pierre Gourdy ◽  
Stéphane Dalle

DPP4 inhibitors and GLP-1 receptor agonists used in incretin-based strategies treat Type 2 diabetes with different modes of action. The pharmacological blood GLP-1R agonist concentration targets pancreatic and some extrapancreatic GLP-1R, whereas DPP4i favors the physiological activation of the gut-brain-periphery axis that could allow clinicians to adapt the management of Type 2 diabetes, according to the patient's pathophysiological characteristics.

2012 ◽  
Vol 19 (5) ◽  
pp. F77-F88 ◽  
Author(s):  
Roman Vangoitsenhoven ◽  
Chantal Mathieu ◽  
Bart Van der Schueren

The new incretin-based therapies, dipeptidyl peptidase-4 (DPP4) inhibitors and glucagon like peptide 1 (GLP1) receptor agonists are widely used for the treatment of type 2 diabetes because of their glucose-lowering capacity with low risk of hypoglycemia. As they are weight neutral or induce weight loss in this mostly overweight population, they are popular among clinicians and patients alike. Nonetheless, concerns have been raised about GLP1's trophic effects. While increased β cell mass observed in rodents sounds appealing for treatment of diabetes, there was also an increased incidence of medullary thyroid cancer (MTC) in some species. We reviewed literature available in the Medline database until March 2012. Safety signals have emerged for MTC and pancreatic carcinoma from adverse event databases in the United States and Europe. Considering the relatively short duration of these studies, it is more likely that premalignant lesions are stimulated in presence of GLP1, rather than new neoplasms induced. Moreover, interpreting results of animal studies is difficult because of species-specific differences in presence and density of GLP1 receptors. Furthermore, data are emerging suggesting beneficial effects of GLP1 on colon and breast cancer. In conclusion, presently, the benefits of using DPP4 inhibitors or GLP1 receptor agonists for treatment of type 2 diabetes outweigh the risks. Nonetheless, their safety profile should be monitored and their indications should be widened cautiously. At present they remain contra-indicated in patients with a personal or family history of MTC or multiple endocrine neoplasia type 2.


2018 ◽  
Vol 24 ◽  
pp. 80-81
Author(s):  
Konstantinos Toulis ◽  
Krishna Gokhale ◽  
G. Neil Thomas ◽  
Wasim Hanif ◽  
Krishnarajah Nirantharakumar ◽  
...  

Diabetes ◽  
2018 ◽  
Vol 67 (Supplement 1) ◽  
pp. 1096-P
Author(s):  
RUTH E. BROWN ◽  
ALEXANDER ABITBOL ◽  
HARPREET S. BAJAJ ◽  
HASNAIN KHANDWALA ◽  
RONALD GOLDENBERG ◽  
...  

Diabetes ◽  
2019 ◽  
Vol 68 (Supplement 1) ◽  
pp. 1019-P
Author(s):  
YUKI FUJITA ◽  
SODAI KUBOTA ◽  
HITOSHI KUWATA ◽  
DAISUKE YABE ◽  
YOSHIYUKI HAMAMOTO ◽  
...  

2020 ◽  
Vol 98 (3) ◽  
pp. 210-217
Author(s):  
A. Yu. Babenko ◽  
Yu. A. Kononova ◽  
M. V. Martjanova ◽  
A. V. Simanenkova ◽  
M. A. Kokina ◽  
...  

Due to the high efficiency of glucagon-like peptide-1 (GLP-1) receptor agonists therapy in only a part of patients, the search for predictors of response to the treatment is a relevant problem. Purpose. The purpose is to compare the efficacy of liraglutide and exenatide therapy in obese patients with type 2 diabetes mellitus (T2DM) and to evaluate the predictors of response to glycated hemoglobin (HbA1c), weight and lipids reduction. Material and methods. The study included 47 patients with type 2 diabetes and obesity who received GLP-1 receptor agonists therapy. 26 patients were treated with liraglutide, 21 patients were treated with exenatide. We measured the parameters of carbohydrate and lipid metabolism, the levels of hormones involved in glucose and lipids metabolism and in appetite regulation. Blood pressure was measured. These parameters were evaluated at baseline and after 24 weeks of treatment. Results. Patients receiving exenatide therapy showed a tendency towards more frequent HbA1c level reduction by 1% or more (60% versus 30.4%, p = 0.07). The effects of liraglutide and exenatide on weight and waist circumference were comparable. When assessing the predictors of response to the therapy, a more pronounced decrease in HbA1c level (by 1% or more) was in the patients with a higher initial HbA1c level (8.7 (8.2; 9.7) versus 8.2 (6.9; 8.7)%, p = 0.04), as well as with a higher initial GLP-1 level (0.12 (0.05; 0.17) versus 0.040 (0.01; 0.09) ng/ml.) A more significant decrease in the triglycerides (TG) level was detected in patients with a higher level of glucose-dependent insulinotropic peptide (GIP) before therapy (409 (316.0; 431.4) pg/ml in patients who reduced TG level by 30% or more and 331.5 (324.9; 367.1) pg/ml in patients with a lower decrease in TG level). Among the studied parameters, no predictors of body mass reduction were revealed. Conclusion. Measurement of HbA1c, GLP-1, GIP level may be useful to predict the efficacy of GLP-1 receptor agonists therapy.


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