open access

Vol 59, No 6 (2008)
Original papers
Published online: 2008-10-30
Submitted: 2013-02-15
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The IMPROVETM study - a multinational, observational study in type 2 diabetes: data from the Polish cohort

Janusz Gumprecht, Gajane Żurawska, Bogumił Wolnik, Grzegorz Dzida
Endokrynologia Polska 2008;59(6):460-466.

open access

Vol 59, No 6 (2008)
Original papers
Published online: 2008-10-30
Submitted: 2013-02-15

Abstract


Introduction: Observational studies are valuable tools for assessing the applicability of results from randomised controlled trials to broader patient populations. They are especially important in chronic diseases such as diabetes, as they can provide a comprehensive picture of the safety and effectiveness of a particular therapy across cultures and phenotypes.
Material and methods: Patients with type 2 diabetes who required insulin and whose physician had decided to initiate biphasic insulin aspart 30 (BIAsp 30) were eligible. A total of 4117 type 2 diabetic patients were recruited to the study in Poland, and 809 primary and secondary care physicians were involved. The aim of this study was to assess the safety and effectiveness of BIAsp 30 treatment in type 2 diabetes in routine clinical practice.
Results: Baseline glycaemic control was poor in the Polish cohort enrolled in the IMPROVETM study, with a mean HbA1c value of 9.0 ± 1.7%. A very high proportion of patients were thus at risk of macrovascular and microvascular complications. A twice-daily regimen for the start of BIAsp 30 therapy was the most common choice, including 72.2% of patients at baseline. HbA1c was significantly reduced by 1.66% for the total cohort and by 3.07% and 1.55% in the pre-study no-therapy or oral antidiabetic drug group respectively (p < 0.001). The rates (episodes per subject year) of overall major hypoglycaemia were 0.012 and 0.12 at follow-up and final visits respectively. For minor hypoglycaemia rates of 5.12 per subject per year at follow-up visit and 4.54 episodes per subject per year at final visit were recorded.
Conclusions: BIAsp 30 appears to be an effective and flexible treatment approach and can be safely intensified to achieve glycaemic control in a majority of patients with type 2 diabetes.

Abstract


Introduction: Observational studies are valuable tools for assessing the applicability of results from randomised controlled trials to broader patient populations. They are especially important in chronic diseases such as diabetes, as they can provide a comprehensive picture of the safety and effectiveness of a particular therapy across cultures and phenotypes.
Material and methods: Patients with type 2 diabetes who required insulin and whose physician had decided to initiate biphasic insulin aspart 30 (BIAsp 30) were eligible. A total of 4117 type 2 diabetic patients were recruited to the study in Poland, and 809 primary and secondary care physicians were involved. The aim of this study was to assess the safety and effectiveness of BIAsp 30 treatment in type 2 diabetes in routine clinical practice.
Results: Baseline glycaemic control was poor in the Polish cohort enrolled in the IMPROVETM study, with a mean HbA1c value of 9.0 ± 1.7%. A very high proportion of patients were thus at risk of macrovascular and microvascular complications. A twice-daily regimen for the start of BIAsp 30 therapy was the most common choice, including 72.2% of patients at baseline. HbA1c was significantly reduced by 1.66% for the total cohort and by 3.07% and 1.55% in the pre-study no-therapy or oral antidiabetic drug group respectively (p < 0.001). The rates (episodes per subject year) of overall major hypoglycaemia were 0.012 and 0.12 at follow-up and final visits respectively. For minor hypoglycaemia rates of 5.12 per subject per year at follow-up visit and 4.54 episodes per subject per year at final visit were recorded.
Conclusions: BIAsp 30 appears to be an effective and flexible treatment approach and can be safely intensified to achieve glycaemic control in a majority of patients with type 2 diabetes.
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Keywords

type 2 diabetes; biphasic insulin aspart 30; observational study

About this article
Title

The IMPROVETM study - a multinational, observational study in type 2 diabetes: data from the Polish cohort

Journal

Endokrynologia Polska

Issue

Vol 59, No 6 (2008)

Pages

460-466

Published online

2008-10-30

Bibliographic record

Endokrynologia Polska 2008;59(6):460-466.

Keywords

type 2 diabetes
biphasic insulin aspart 30
observational study

Authors

Janusz Gumprecht
Gajane Żurawska
Bogumił Wolnik
Grzegorz Dzida

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