Comparison of Pharmacokinetics and Dynamics of the Long-Acting Insulin Analogs Glargine and Detemir at Steady State in Type 1 Diabetes: A double-blind, randomized, crossover study  

Oleh:

Porcellati, Francesca ; Rossetti, Paolo ; Busciantella, Natalia Ricci ; Marzotti, Stefania ; Lucidi, Paola ; Luzio, Steven ; Owens, David R. ; Bolli, Geremia B ; Fanelli, Carmine G

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 30 no. 10 (Oct. 2007), page 2447.
Topik: AUC; area under the curve; FFA; free fatty acid; GIR; glucose infusion rate; IIR; intravenous insulin infusion rate; IV; intravenous; SC; subcutaneous

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2007.04 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

OBJECTIVE—To compare pharmacokinetics and pharmacodynamics of insulin analogs glargine and detemir, 24 subjects with type 1 diabetes (aged 38 ± 10 years, BMI 22.4 ± 1.6 kg/m2, and A1C 7.2 ± 0.7%) were studied after a 2-week treatment with either glargine or detemir once daily (randomized, double-blind, crossover study). RESEARCH DESIGN AND METHODS—Plasma glucose was clamped at 100 mg/dl for 24 h after subcutaneous injection of 0.35 unit/kg. The primary end point was end of action (time at which plasma glucose was >150 mg/dl). RESULTS—With glargine, plasma glucose remained at 103 ± 3.6 mg/dl up to 24 h, and all subjects completed the study. Plasma glucose increased progressively after 16 h with detemir, and only eight subjects (33%) completed the study with plasma glucose <180 mg/dl. Glucose infusion rate (GIR) was similar with detemir and glargine for 12 h, after which it decreased more rapidly with detemir (P < 0.001). Estimated total insulin activity (GIR area under the curve [AUC]0–end of GIR) was 1,412 ± 662 and 915 ± 225 mg/kg (glargine vs. detemir, P < 0.05), with median time of end of action at 24 and 17.5 h (glargine vs. detemir, P < 0.001). The antilipolytic action of detemir was lower than that of glargine (AUC free fatty acids0–24 h 11 ± 1.7 vs. 8 ± 2.8 mmol/l, respectively, P < 0.001). CONCLUSIONS—Detemir has effects similar to those of glargine during the initial 12 h after administration, but effects are lower during 12–24 h.

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