Cover Story Current Issue

Glucose is a ubiquitous and essential source of energy for all living organisms. Although mammals have evolved ways to convert other nutritional molecules to ATP, the preference for dietary glucose appears to be preserved. In rodents, the immediate detection of ingested glucose potently reinforces intake, hierarchically organizing behaviors towards glucose-yielding substances, and away from other types of food including other sugars. Taste is the primary sense linked to nutrient selection. Until recently, it was thought that most mammalian species utilize a single broadly tuned receptor to detect all simple sugars. Indeed, this “sweet” receptor, which comprises a heterodimer of the T1R2 and T1R3 proteins, binds multiple natural sugars (e.g., glucose, fructose, sucrose, maltose), as well as various other chemicals that yield little to no energy (e.g., low calorie sweeteners, sugar alcohols) and some d-amino acids. The neural signal originating from the sweet receptor is hardwired into brain circuits that drive eating and drinking behaviors, but it is an unreliable indicator of nutrient quality and quantity.

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Additive effects of GLY-200 (oral pharmacologic duodenal exclusion therapy) and GLP-1R agonist in obesity management

Taylor L. Carlson, Mark Fineman, Stace Kernodle, Chelsea R. Hutch, ... Ashish Nimgaonkar

Additive effects of GLY-200 (oral pharmacologic duodenal exclusion therapy) and GLP-1R agonist in obesity management

Type 2 diabetes and obesity impact billions of people and the global prevalence is only growing. Current treatment options, which include pharmacotherapy, e.g., GLP-1 receptor agonists (GLP-1RA) and bariatric surgical approaches have limitations. GLY-200 is an investigational clinical-stage oral non-absorbed polymeric drug designed to target proximal intestinal mucin and enhance its barrier function, emulating duodenal exclusion physiology for the treatment of diabetes and obesity. The efficacy of GLY-200 as a monotherapy and in combination with semaglutide, a leading GLP-1 receptor agonist (GLP-1RA) for obesity weight management was evaluated in diet-induced obesity (DIO) mice. Significant improvements in metabolic parameters were seen in mice treated with GLY-200 monotherapy. Moreover, an additive effect was observed when GLY-200 was combined with semaglutide, resulting in enhanced weight loss and metabolic improvements beyond those achieved with either treatment alone. GLY-200 showed promise as a weight maintenance drug, significantly blunting the weight rebound seen after GLP-1RA discontinuation. Phase 2a data from patients with type 2 diabetes (T2D) showed reductions in fasting and postprandial blood glucose, improved fasting lipid profiles, and progressive weight loss with GLY-200 treatment. These findings suggest that GLY-200, in combination with GLP-1RAs, holds promise as a novel therapeutic strategy for obesity, potentially offering a valuable approach for GLP-1RA dose reduction or weight maintenance following GLP-1RA discontinuation.

Articles in Press

Additive effects of GLY-200 (oral pharmacologic duodenal exclusion therapy) and GLP-1R agonist in obesity management

Taylor L. Carlson, Mark Fineman, Stace Kernodle, Chelsea R. Hutch, ... Ashish Nimgaonkar

Additive effects of GLY-200 (oral pharmacologic duodenal exclusion therapy) and GLP-1R agonist in obesity management

Type 2 diabetes and obesity impact billions of people and the global prevalence is only growing. Current treatment options, which include pharmacotherapy, e.g., GLP-1 receptor agonists (GLP-1RA) and bariatric surgical approaches have limitations. GLY-200 is an investigational clinical-stage oral non-absorbed polymeric drug designed to target proximal intestinal mucin and enhance its barrier function, emulating duodenal exclusion physiology for the treatment of diabetes and obesity. The efficacy of GLY-200 as a monotherapy and in combination with semaglutide, a leading GLP-1 receptor agonist (GLP-1RA) for obesity weight management was evaluated in diet-induced obesity (DIO) mice. Significant improvements in metabolic parameters were seen in mice treated with GLY-200 monotherapy. Moreover, an additive effect was observed when GLY-200 was combined with semaglutide, resulting in enhanced weight loss and metabolic improvements beyond those achieved with either treatment alone. GLY-200 showed promise as a weight maintenance drug, significantly blunting the weight rebound seen after GLP-1RA discontinuation. Phase 2a data from patients with type 2 diabetes (T2D) showed reductions in fasting and postprandial blood glucose, improved fasting lipid profiles, and progressive weight loss with GLY-200 treatment. These findings suggest that GLY-200, in combination with GLP-1RAs, holds promise as a novel therapeutic strategy for obesity, potentially offering a valuable approach for GLP-1RA dose reduction or weight maintenance following GLP-1RA discontinuation.

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13th
Helmholtz Diabetes Conference 
Munich, 21-23. Sep 2026

2024 impact factor: 6.6

You are what you eat

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