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Improved meal-relat...
Improved meal-related beta-cell function and insulin sensitivity by the dipeptidyl peptidase-IV inhibitor vildagliptin in metformin-treated patients with type 2 diabetes over 1 year.
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- Ahrén, Bo (författare)
- Lund University,Lunds universitet,Medicin, Lund,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medicine, Lund,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine
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Pacini, Giovanni (författare)
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Foley, James E (författare)
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Schweizer, Anja (författare)
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(creator_code:org_t)
- American Diabetes Association, 2005
- 2005
- Engelska.
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Ingår i: Diabetes Care. - : American Diabetes Association. - 1935-5548 .- 0149-5992. ; 28:8, s. 1936-1940
- Relaterad länk:
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http://www.ncbi.nlm.... (free)
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http://dx.doi.org/10... (free)
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http://care.diabetes...
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https://lup.lub.lu.s...
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https://doi.org/10.2...
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Abstract
Ämnesord
Stäng
- OBJECTIVE—To examine the effects of dipeptidyl peptidase-IV (DPP-4) inhibition on meal-related β-cell function and insulin sensitivity over 52 weeks in type 2 diabetes. RESEARCH DESIGN AND METHODS—In a 12-week core study, placebo (n = 51) or vildagliptin (n = 56; 50 mg OD) was added to metformin treatment (1.5–3.0 mg/day). A 40-week extension followed in 71 patients. Meal tests were performed at 0, 12, 24, and 52 weeks; glucose, insulin, and C-peptide were evaluated. RESULTS—In subjects completing 52 weeks with participation in all meal tests (n = 57), HbA1c (A1C) decreased in the vildagliptin/metformin group (VM group, n = 31) but increased in the placebo/metformin group (PM group, n = 26; between-group difference −1.0 ± 0.2%; P < 0.001; baseline of all subjects combined 7.7 ± 0.1%). Also, fasting glucose decreased in the VM group but increased in the PM group (difference −0.9 ± 0.3 mmol/l, P = 0.016; baseline 9.8 ± 0.3 mmol/l). Insulin secretion (postmeal suprabasal area under the 0- to 30-min C-peptide curve divided by the 30-min increase in glucose) was increased in the VM group but was reduced in the PM group (difference +0.011 ± 0.03 pmol/l 30 min/mmol/l, P = 0.018; baseline 0.036 ± 0.02). Insulin sensitivity during meal ingestion (oral glucose insulin sensitivity) increased in the VM group but was not altered in the PM group (difference +27 ± 4 ml · min−1 · m−2, P = 0.036; baseline 246 ± 6). Insulin secretion related to insulin sensitivity (adaptation index) increased in the VM group but decreased in the PM group (difference +3.2 ± 1.0, P = 0.040; baseline 9.1 ± 0.5). The change in adaptation index correlated to the change in A1C (r = −0.39, P = 0.004). CONCLUSIONS—This study presents evidence that DPP-4 inhibition by vildagliptin when added to metformin in type 2 diabetes over 52 weeks improves β-cell function along with improved postmeal insulin sensitivity.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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