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-Linköpings universitet,Internmedicin,Hälsouniversitetet (författare)

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

Artikel/kapitelEngelska2001

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2001-12-20
Wiley,2001
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LIBRIS-ID:oai:DiVA.org:liu-24910
https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-24910URI
https://doi.org/10.1046/j.1365-2265.2001.01327.xDOI

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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.

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Orre-Pettersson, A-CLinköpings universitet,Internmedicin,Hälsouniversitetet (författare)
Lindström, Torbjörn,1952-Linköpings universitet,Internmedicin,Hälsouniversitetet(Swepub:liu)torli22 (författare)
Arnqvist, Hans,1943-Linköpings universitet,Internmedicin,Cellbiologi,Hälsouniversitetet(Swepub:liu)hanar64 (författare)
Linköpings universitetInternmedicin (creator_code:org_t)

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Ingår i:Clinical Endocrinology: Wiley55:1, s. 107-1120300-06641365-2265

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Av författaren/redakt...: Hedman, Christin ...; Orre-Pettersson, ...; Lindström, Torbj ...; Arnqvist, Hans, ...

Artiklar i publikationen: Clinical Endocri ...

Av lärosätet: Linköpings universitet

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