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Characterization of...
Characterization of the Influence of Vildagliptin on Model-Assessed {beta}-Cell Function in Patients with Type 2 Diabetes and Mild Hyperglycemia.
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Mari, Andrea (författare)
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Scherbaum, Werner A (författare)
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- Nilsson, Peter (författare)
- Lund University,Lunds universitet,Internmedicin - epidemiologi,Forskargrupper vid Lunds universitet,Internal Medicine - Epidemiology,Lund University Research Groups
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Lalanne, Gerard (författare)
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Schweizer, Anja (författare)
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Dunning, Beth E (författare)
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Jauffret, Sophie (författare)
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Foley, James E (författare)
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(creator_code:org_t)
- The Endocrine Society, 2009
- 2009
- Engelska.
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Ingår i: Journal of Clinical Endocrinology and Metabolism. - : The Endocrine Society. - 1945-7197 .- 0021-972X. ; 93:1, s. 103-109
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://academic.oup...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Objective: This study was conducted to characterize the effects of vildagliptin on beta-cell function in patients with type 2 diabetes and mild hyperglycemia. Design: A 52-wk double-blind, randomized, parallel-group study comparing vildagliptin (50 mg qd) and placebo was conducted in 306 patients with mild hyperglycemia (A1C = 6.2-7.5%). Plasma glucose and C-peptide levels were measured during standard meal tests performed at baseline, wk 24 and 52, and after 4-wk washout. Insulin secretory rate (ISR) was calculated by C-peptide deconvolution and beta-cell function was quantified with a mathematical model that describes ISR as a function of absolute glucose levels (insulin secretory tone and glucose sensitivity), the glucose rate of change (rate sensitivity), and a potentiation factor. Results: Vildagliptin significantly increased fasting insulin secretory tone (between-group difference in adjusted mean change from baseline to wk 52 [Delta]= +34.1 +/- 9.5 pmol*min(-1) *m(-2), P<0.001) glucose sensitivity (Delta= +20.7 +/- 5.2 pmol*min(-1) *m(-2) *mM(-1), P < 0.001) and rate sensitivity (Delta= +163.6 +/- 67.0 pmol*m(-2) *mM(-1), P = 0.015) but total insulin secretion (ISR AUC0-2h) and the potentiation factor excursion during meals were unchanged. These improvements in beta-cell function were accompanied by a decrease in the glucose AUC0-2h (Delta = -1.7 +/- 0.5 mM*h, P = 0.002) and in A1C (Delta = -0.3 +/- 0.1%, P < 0.001). None of the effects of vildagliptin remained following 4-wk washout from study medication. Conclusions: Consistent with previous findings from shorter-term studies in patients with more severe hyperglycemia, in patients with mild hyperglycemia, improved beta-cell function is maintained throughout 52-wk treatment with vildagliptin and underlies a sustained improvement in glycemic control. However, no effects remain after washout.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Annan klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Other Clinical Medicine (hsv//eng)
Nyckelord
- GIP
- GLP-1
- incretin
- insulin secretion
- dipeptidyl peptidase-IV
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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