Canagliflozin (JNJ 28431754)

KK (HF-KK) mice

(2S, 3R, 4R, 5S, 6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3, 4, 5-triol

0-10 uM

10 mg/kg

4.4 nM, 4.4 nM, 4.4 nM, 4.4 nM, 4.4 nM, 4.4 nM

Canagliflozin shows pronounced anti-hyperglycemic effects in high-fat diet fed KK (HF-KK) mice. Oral administration at 30 mg/kg of Canagliflozin to male SD rats induces glucose excretion over 24 hours by 3, 696 mg per 200 g body weight. Pharmacokinetic studies reveals a much higher exposure of Canagliflozin following oral administration. Following intravenous and oral doses of 3 and 10 mg/kg, respectively, to male SD rats, AUC0 inf, po, t1/2 and oral bioavailability are determined to be 35, 980 ng·h/mL, 5.2 hours, and 85%, respectively. Thus, inhibition of SGLT2 in renal tubules after oral dosing of Canagliflozin is likely to continuously suppress reabsorption of glucose. The extensive UGE would reflect excellent pharmacokinetic properties of Canagliflozin in vivo as well as high potency of SGLT2 inhibition. Since most of the filtered glucose is reabsorbed by SGLT2 in the renal tubules, the novel compound would be useful for an anti-diabetic agent. Single oral administration of Canagliflozin at 3 mg/kg remarkbly reduced blood glucose levels without influencing food intake in hyperglycemic high-fat diet fed KK (HF-KK) mice. There is a 48% reduction in blood glucose level versus vehicle at 6 hours. In contrast, Canagliflozin only slightly affects blood glucose levels in normoglycemic mice. Therefore, Canagliflozin would control hyperglycemia in the therapy of T2DM with low risk of hypoglycemia. [2]

Cells from the rat skeletal muscle cell line, L6, is used to test the effect of Canagliflozin on glucose transporter 1 (GLUT1) activity. Cells are maintained in Dulbecco's modified Eagle's medium containing 5.6 mM glucose supplemented with 10% fetal bovine serum, are seeded in 24-well plates at a density of 3.0 x 105 cells/well and cultured for 24 hours in an atmosphere of 5% CO2 at 37 C. Cells are rinsed twice with Kreb's ringer phosphate HEPES buffer (pH 7.4, 150 mM NaCl, 5 mM KCl, 1.25 mM MgSO4, 1.25 mM CaCl2, 2.9 mM Na2HPO4, 10 mM HEPES) and are pre-incubated with the solutions of Canagliflozin (250 uL, 10 uM) for 5 minutes at room temperature. The transport reaction is initiated by adding 50 uL of 4.5 mM 2-DG (a substrate for GLUTs)/3H-2-DG (0.625 uCi) followed by incubation for 15 minutes at room temperature. The 2-DG uptake is halted by aspiration of the incubation mixture. Cells are immediately washed 3 times with ice-cold PBS. Samples are extracted with 0.3 N NaOH, and radioactivity is determined by liquid scintillation.

Canagliflozin Chemical Structure

2 years -20CPowder, 2 weeks4Cin DMSO, 2 months-80Cin DMSO