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Semi-mechanistic mo...
Semi-mechanistic model describing gastric emptying and glucose absorption in healthy subjects and patients with type 2 diabetes
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- Alskär, Oskar (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,Pharmacometric group
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Bagger, Jonatan I (författare)
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- Røge, Rikke M (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,Pharmacometric group
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Knop, Filip K (författare)
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- Karlsson, Mats O (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,Pharmacometric group
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Vilsbøll, Tina (författare)
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- Kjellsson, Maria C (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,Pharmacometric group
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(creator_code:org_t)
- 2015-10-12
- 2016
- Engelska.
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Ingår i: Journal of clinical pharmacology. - : Wiley. - 0091-2700 .- 1552-4604. ; 56:3, s. 340-348
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The integrated glucose-insulin (IGI) model is a previously published semi-mechanistic model, which describes plasma glucose and insulin concentrations after glucose challenges. The aim of this work was to use knowledge of physiology to improve the IGI model's description of glucose absorption and gastric emptying after tests with varying glucose doses. The developed model's performance was compared to empirical models. To develop our model, data from oral and intravenous glucose challenges in patients with type 2 diabetes and healthy control subjects were used together with present knowledge of small intestinal transit time, glucose inhibition of gastric emptying and saturable absorption of glucose over the epithelium to improve the description of gastric emptying and glucose absorption in the IGI model. Duodenal glucose was found to inhibit gastric emptying. The performance of the saturable glucose absorption was superior to linear absorption regardless of the gastric emptying model applied. The semi-physiological model developed performed better than previously published empirical models and allows for better understanding of the mechanisms underlying glucose absorption. In conclusion, our new model provides a better description and improves the understanding of dynamic glucose tests involving oral glucose.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
Nyckelord
- Farmakokinetik och läkemedelsterapi
- Pharmacokinetics and Drug Therapy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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