PMID: 6397660Dec 17, 1984Paper

Semisynthetic human insulin and purified pork insulin do not differ in their biological potency

Klinische Wochenschrift
P AriasE F Pfeiffer

Abstract

The biological potency of semisynthetic human insulin (Actrapid HM, Novo) and purified pork insulin (Actrapid MC, Novo) was assessed in normal and diabetic subjects. The blood glucose lowering effect and the related counter-regulatory response were initially tested in six healthy subjects who received an i.v. injection of 0.15 U/kg body weight of either insulin preparation. The attained insulin levels were very similar (peak at 15 min: HM 139 +/- 7, MC 129 +/- 7 microU/ml), as well as the resulting blood glucose curves. A prolonged suppression of C-peptide values was observed after injecting both preparations. The evoked counter-regulatory response [glucagon, growth hormone (GH), cortisol and catecholamines] showed minimal differences. Prolactin secretion was almost identical after HM and MC injection. A glucose clamp study was subsequently performed in six insulin-dependent diabetic (IDD) patients. Blood glucose levels were maintained at 80 mg/dl by the artificial pancreas during a 180 min infusion of MC or HM insulin (30 mU/kg/h). The amounts of dextrose infused during the last 60 min of the study were not significantly different (121 +/- 14 vs 137 +/- 11 mg/kg/h for MC and HM, respectively). It is clear from our results that...Continue Reading

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Citations

Mar 7, 2006·Peptides·Catherine A SchnabelDennis D Kim

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