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Treatment with insu...
Treatment with insulin lispro changes the insulin profile but does not affect the plasma concentrations of IGF-I and IGFBP-1 in type 1 diabetes
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- Hedman, Christina, 1964- (author)
- Linköpings universitet,Internmedicin,Hälsouniversitetet
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- Orre-Pettersson, A-C (author)
- Linköpings universitet,Internmedicin,Hälsouniversitetet
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- Lindström, Torbjörn, 1952- (author)
- Linköpings universitet,Internmedicin,Hälsouniversitetet
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- Arnqvist, Hans, 1943- (author)
- Linköpings universitet,Internmedicin,Cellbiologi,Hälsouniversitetet
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(creator_code:org_t)
- 2001-12-20
- 2001
- English.
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In: Clinical Endocrinology. - : Wiley. - 0300-0664 .- 1365-2265. ; 55:1, s. 107-112
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- OBJECTIVE IGF-I levels in patients with type 1 diabetes without endogenous insulin production are low. Our aim was to examine whether the plasma insulin profile obtained by treatment with the insulin analogue lispro has a different effect on plasma concentrations of IGF-I and IGFBP-1 than that seen during treatment with conventional human insulin (regular insulin).DESIGN AND PATIENTS Twelve patients with type 1 diabetes, age 47·8 ± 2·4 years (mean ± SEM), body mass index 26·5 ± 1·0 kg/m2, diabetes duration 30·5 ± 3·2 years participated in this open label randomized cross-over study. IGF-I and IGFBP-1 levels were measured at the end of 6 weeks treatment with each insulin being administered by a continuous subcutaneous insulin infusion. IGF-I was measured fasting while IGFBP-1, free insulin and blood glucose were measured fasting and repeatedly after a morning meal preceded by an insulin bolus dose.RESULTS Lispro gave a marked insulin peak of 135 ± 20 pmol/l 50 minutes after injection. After an initial rapid rise, human regular insulin reached a plateau of approximately 50 pmol/l. The plasma free insulin area under the curve (AUC) from 0710 h to 0910 h was more than twice as large on lispro as on regular insulin (P = 0·01). Plasma IGF-I concentration was 78·8 ± 10·9 µg/l on lispro and 82·3 ± 10·5 µg/l on human regular insulin (not significant). AUC for IGFBP-1 did not show a significant difference even when divided from 0710 h to 0910 h and from 0930 h to 1430 h. Blood glucose AUC after administration of the bolus was significantly lower during treatment with lispro (P = 0·006) but glycosylated haemoglobin (HbA1c) was 6·4 ± 0·2% on both therapies.CONCLUSIONS Our results indicate that the effect of lispro on IGF-I and IGFBP-1 in patients with type 1 diabetes does not differ from that of human regular insulin.
Keyword
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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