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Initiating insulin therapy with, or switching existing insulin therapy to, biphasic insulin aspart 30/70 (NovoMix ® 30) in routine care: Safety and effectiveness in patients with type 2 diabetes in the IMPROVE™ observational study.
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Initiating insulin therapy with, or switching existing insulin therapy to, biphasic insulin aspart 30/70 (NovoMix® 30) in routine care: Safety and effectiveness in patients with type 2 diabetes in the IMPROVE™ observational study P. Valensi, M. Benroubi, V. Borzi, J. Gumprecht, R. Kawamori, J. Shaban, S. Shah, M. Shestakova, Y. Wenying on behalf of the IMPROVE™ Study Group Expert Panel Int J Clin Pract 2009;63:522–31DOI: 10.1111/j.1742-1241.2009.02002.x
What’s New • IMPROVE is the largest database on patients with type 2 diabetes ever compiled (52,419 patients enrolled from eight countries) • IMPROVE reports country-specific patient outcomes following the prescription of BIAsp 30 in three continents • IMPROVE reports patient treatment satisfaction
In these slides Summary of study aim, design, end-points, demographics (see IJCP March 2009 for detailed description) Results: Global (new graphs) Results: By study country (new graphs) Summary of conclusions (see IJCP March 2009 for detailed description) Design Global results Country results Conclusions
Design Study aim • To assess safety and effectiveness of BIAsp 30 prescribed in routine practice to patients with type 2 diabetes by physicians in primary and secondary care settings
Design Design and patients • Open-label, non-randomised, non-interventional, observational, 26-week study • Patients with type 2 diabetes prescribed BIAsp 30 as part of routine care were eligible
Design Treatment • Treating physician made decisions about BIAsp 30 dose and injection frequency, and any concomitant medication, on an individual basis • Dosing information was recorded at baseline, 3 months, and 26 weeks
Design Primary end-point • Incidence of major hypoglycaemic events reported as serious adverse drug reactions (SADRs)
Design Secondary end-points • Other SADRs, adverse drug reactions, rates of major and minor hypoglycaemic events • Weight change, HbA1c reduction, proportions of patients reaching HbA1c target <7.0%, fasting blood glucose (FBG), postprandial blood glucose (PPBG) after all three daily meals • Insulin dose and injection frequency • Quality of life, patient treatment satisfaction
Design Patient demographics
Design Patients by prestudy therapy
Global results Global results • Rates of SADRs and hypoglycaemia • Effectiveness data, presented as change in: • HbA1c • FBG • PPBG (breakfast, lunch, dinner) • BIAsp 30 daily dose • Weight • Patient satisfaction
Global results Serious adverse drug reactions • 98 patients (0.19%) reported a total of 110 SADRs • 15 patients were from ‘no pharmaceutical therapy’ • 62 were from OADs-only • 21 were from insulin ± OADs • Most commonly reported SADR: major hypoglycaemia (81 events in 69 patients) • Less frequent SADRs: drug hypersensitivity (<0.005% of patients), injection site reaction (<0.005%) and rash (<0.005%)
Global results Major hypoglycaemia
Global results Minor hypoglycaemia
Global results Nocturnal hypoglycaemia
Global results Change in HbA1c
Global results HbA1c targets reached
Global results HbA1c reduction, duration of disease, and baseline HbA1c
Global results Change in FBG
Global results Change in PPBG (breakfast)
Global results Change in PPBG (lunch)
Global results Change in PPBG (dinner)
Global results Change in BIAsp 30 daily dose
Global results Change in weight
Global results Change in patient satisfaction
Country results Results by country • Rates of hypoglycaemia • Effectiveness data, presented as change in: • HbA1c • FBG • PPBG (breakfast, lunch, dinner) • BIAsp 30 daily dose • Insulin dose (all insulins) • Weight
Country results Major hypoglycaemia
Country results Minor hypoglycaemia
Country results Nocturnal hypoglycaemia
Country results Change in HbA1c
Country results HbA1c targets reached
Country results Change in FBG
Country results Change in PPBG (breakfast)
Country results Change in PPBG (lunch)
Country results Change in PPBG (dinner)
Country results Change in BIAsp 30 daily dose
Country results Change in dose: All insulins
Country results Change in weight
Conclusions Conclusions Initiating insulin with or switching insulin to BIAsp 30 in routine care in patients with type 2 diabetes resulted in: • Improved glycaemic control • Reduced major hypoglycaemia • Greater treatment satisfaction These benefits were observed across all the participating countries reported