Timmers 2016 Diabetes Care

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Timmers S, de Ligt M, Phielix E, van de Weijer T, Hansen J, Moonen-Kornips E, Schaart G, Kunz I, Hesselink MK, Schrauwen-Hinderling VB, Schrauwen P (2016) Resveratrol as add-on therapy in subjects with well-controlled type 2 diabetes: a randomized controlled trial. Diabetes Care 39:2211-17.

» PMID: 27852684 Open Access

Timmers S, de Ligt M, Phielix E, van de Weijer T, Hansen J, Moonen-Kornips E, Schaart G, Kunz I, Hesselink MK, Schrauwen-Hinderling VB, Schrauwen P (2016) Diabetes Care

Abstract: To determine whether resveratrol supplementation can improve insulin sensitivity and promote overall metabolic health on top of standard diabetes care.

Seventeen subjects with well-controlled type 2 diabetes (T2D) were treated with placebo and 150 mg/day resveratrol (resVida) in a randomized double-blind crossover study for 30 days. The main outcome measure was insulin sensitivity by the hyperinsulinemic-euglycemic clamp technique.

Hepatic and peripheral insulin sensitivity were not affected by resveratrol treatment. Intrahepatic lipid content also remained unaffected by resveratrol; however, the change in intrahepatic lipid content correlated negatively with plasma resveratrol levels (R = -0.68, P = 0.03). Intramyocellular lipid content increased in type 2 muscle fibers (P = 0.03), and systolic blood pressure tended to decrease (P = 0.09) upon resveratrol treatment. In addition, resveratrol significantly improved ex vivo mitochondrial function (state 3 and state U respiration upon malate with octanoyl-carnitine, P < 0.005). Intriguingly, a correlation was found between plasma levels of a metabolite of resveratrol (dihydroresveratrol) and the metformin dose used by the patients (R = 0.66, P = 0.005), suggesting an interaction between metformin and resveratrol. It could be speculated that the lack of a resveratrol-induced insulin-sensitizing effect is caused by this interaction.

Resveratrol supplementation does not improve hepatic or peripheral insulin sensitivity. Our results question the generalized value of resveratrol as an add-on therapy in the treatment of T2D and emphasize the need to perform studies in drug-naive patients with T2D or subjects with prediabetes.

© 2016 by the American Diabetes Association.


Bioblast editor: Plangger M O2k-Network Lab: NL Maastricht Schrauwen P


Labels: MiParea: Respiration, Pharmacology;toxicology  Pathology: Diabetes 

Organism: Human  Tissue;cell: Skeletal muscle  Preparation: Permeabilized tissue 


Coupling state: LEAK, OXPHOS, ET  Pathway: F, N, NS  HRR: Oxygraph-2k 

Labels, 2018-09, Resveratrol, Metformin