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Comparison of the pharmacokinetics and pharmacodynamics of biphasic insulin aspart and insulin glargine in people with type 2 diabetes.
Luzio, S; Dunseath, G; Peter, R; Pauvaday, V; Owens, D R.
Affiliation
  • Luzio S; Diabetes Research Unit, Llandough Hospital, Penlan Road, Penarth, South Glamorgan, CF64 2XX, UK. Luzio@Cardiff.ac.uk
Diabetologia ; 49(6): 1163-8, 2006 Jun.
Article in En | MEDLINE | ID: mdl-16596358
AIMS/HYPOTHESIS: The pharmacokinetic and pharmacodynamic properties of biphasic insulin aspart (BIAsp 30) (30% soluble, 70% protaminated insulin aspart [IAsp]) and insulin glargine (IGlarg) were compared. METHODS: Twelve people with type 2 diabetes took part in two 24-h isoglycaemic clamp studies, 1 week apart. Patients were randomised to treatment with 0.5 U/kg of BIAsp 30 (0.25 U/kg at 08.30 h and 0.25 U/kg at 20.30 h) or 0.50 U/kg IGlarg at 08.30 h. Both insulins were given by subcutaneous injection into the anterior abdominal wall. The plasma glucose, glucose infusion rates, plasma insulin and C-peptide concentrations were measured. RESULTS: All 12 patients were men; mean (+/-SD) age was 58.8 (8.9) years, BMI 31.0 (3.0) kg/m2 and HbA(1c) 7.1 (0.6)%. Plasma glucose was constant throughout the 24-h clamp period. After each injection of BIAsp 30, glucose infusion rates increased, reaching a distinct peak approximately 3-5 h after injection. A much flatter postinjection profile was observed following IGlarg administration. Plasma insulin concentrations rose rapidly after each injection of BIAsp 30, reaching a distinct peak after approximately 2-3 h. A flatter plasma insulin profile reached a plateau approximately 6-16 h after IGlarg administration. Plasma C-peptide fell below baseline after both injections of BIAsp 30 but remained unaltered after IGlarg injection. CONCLUSIONS/INTERPRETATION: The pharmacodynamic and pharmacokinetic profiles were 34 and 28%, respectively, higher following equivalent doses (0.5 U/kg) of BIAsp 30 given as two split doses than following IGlarg given as a single daily dose.
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Collection: 01-internacional Database: MEDLINE Main subject: Blood Glucose / Diabetes Mellitus, Type 2 / Insulin Type of study: Clinical_trials / Prognostic_studies Limits: Aged / Humans / Male / Middle aged Language: En Journal: Diabetologia Year: 2006 Document type: Article Country of publication: Germany
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Collection: 01-internacional Database: MEDLINE Main subject: Blood Glucose / Diabetes Mellitus, Type 2 / Insulin Type of study: Clinical_trials / Prognostic_studies Limits: Aged / Humans / Male / Middle aged Language: En Journal: Diabetologia Year: 2006 Document type: Article Country of publication: Germany