Trial reportPloS one2018
Comparison of the dose-response pharmacodynamic profiles of detemir and glargine in severely obese patients with type 2 diabetes: A single-blind, randomised cross-over trial.
Trial report in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundDespite their widespread use in this population, data on the pharmacodynamic (PD) properties of the insulin analogs detemir and glargine in severely obese patients with type 2 diabetes are lacking.
methodsThe primary objective of the study was to compare the PD properties of two different doses of the basal insulin analogs detemir and glargine in patients with type 2 diabetes and a BMI > 35 kg/m2. PD data were derived from euglycemic clamp studies over 30 hours and each subject was studied for four times after the subcutaneous injection of a lower (0.8 U/kg body weight) and higher (1.6 U/kg body weight) dose of both detemir and glargine using a single-blind, randomised cross-over design.
resultsSix male and four female patients with type 2 diabetes and a mean BMI of 43.2±5.1 kg/m2 (mean age 55.7±2 years, mean HbA1c 7.2±0.3%) completed the study. The total GIRAUC0-30 (mean difference 1224 mg/kg, 95%CI 810-1637, p = 0.00001), GIRAUC0-24 (mean difference 1040 mg/kg, 95%CI 657-1423; p = 0.00001), GIRAUC24-30 (mean difference 181 mg/kg, 95%CI 64-298; p = 0.004), GIRmax (mean difference 0.93 mg/kg/min, 95%CI 0.22-1.64, p = 0.01) and time to GIRmax (+1.9 hours, 95%CI 0.5-3.2; p = 0.009) were higher after the higher doses of both insulins, without significant differences between detemir and glargine. However, during the last 6 hours of the clamp the GIRAUC24-30 was significantly increased with glargine (mean difference 122 mg/kg, 95%CI 6-237, p = 0.043), reflecting a more pronounced late glucose lowering effect.
conclusionsA clear dose-response relationship can be demonstrated for both insulin analogs, even at very high doses in severely obese patients with type 2 diabetes. Compared to detemir, glargine has a more pronounced late glucose lowering effect 24-30 h after its injection.
trial registrationControlled-Trials.com ISRCTN57547229.
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