Changes in Prandial Glucagon Levels After a 2-Year Treatment With Vildagliptin or Glimepiride in Patients With Type 2 Diabetes Inadequately Controlled With Metformin Monotherapy  

Oleh:

Ahren, Bo ; Foley, James E. ; Ferrannini, Ele

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 33 no. 04 (Apr. 2010), page 730-732.
Topik: Metformin Monotherapy

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2010.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

OBJECTIVE To determine if the dipeptidyl peptidase-4 inhibitor vildagliptin more effectively inhibits glucagon levels than the sulfonylurea glimepiride during a meal. RESEARCH DESIGN AND METHODS Glucagon responses to a standard meal were measured at baseline and study end point (mean 1.8 years) in a trial evaluating add-on therapy to metformin with 50 mg vildagliptin b.i.d. compared with glimepiride up to 6 mg q.d. in type 2 diabetes (baseline A1C 7.3 ± 0.6%). RESULTS A1C and prandial glucose area under the curve (AUC)0–2 h were reduced similarly in both groups, whereas prandial insulin AUC0–2 h increased to a greater extent by glimepiride. Prandial glucagon AUC0–2 h (baseline 66.6 ± 2.3 pmol · h-1 · l-1) decreased by 3.4 ± 1.6 pmol · h-1 · l-1 by vildagliptin (n = 137) and increased by 3.8 ± 1.7 pmol · h-1 · l-1 by glimepiride (n = 121). The between-group difference was 7.3 ± 2.1 pmol · h-1 · l-1 (P < 0.001). CONCLUSIONS Vildagliptin therapy but not glimepiride improves postprandial a-cell function, which persists for at least 2 years.

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