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Effectiveness and tolerability of treatment intensification to basal–bolus therapy in patients with type 2 diabetes on previous basal insulin-supported oral therapy with insulin glargine or supplementary insulin therapy with insulin glulisine: the PARTNER observational study

Authors Pfohl M, Siegmund T, Pscherer S, Pegelow K, Seufert J

Received 12 February 2015

Accepted for publication 16 July 2015

Published 6 November 2015 Volume 2015:11 Pages 569—578


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Daniel A. Duprez

Martin Pfohl,1 Thorsten Siegmund,2 Stefan Pscherer,3 Katrin Pegelow,4 Jochen Seufert5

1Medizinische Klinik I, Evangelisches Bethesda-Klinikum GmbH, Duisburg, Germany; 2Städtisches Klinikum München GmbH, Klinikum Bogenhausen, III. Medizinische Abteilung, München, Germany; 3Klinisches Diabeteszentrum Südostbayern, Innere Medizin – Diabetologie, Traunstein, Germany; 4Sanofi-Aventis Deutschland GmbH, Berlin, Germany; 5Medizinische Universitätsklinik, Klinik für Innere Medizin II, Abteilung für Endokrinologie und Diabetologie, Freiburg, Germany

Background: Due to the progressive nature of type 2 diabetes mellitus (T2DM), antidiabetic treatment needs to be continuously intensified to avoid long-term complications. In T2DM patients on either basal insulin-supported oral therapy (BOT) or supplementary insulin therapy (SIT) presenting with HbA1c values above individual targets for 3–6 months, therapy should be intensified. This study investigated effectiveness and tolerability of an intensification of BOT or SIT to a basal–bolus therapy (BBT) regimen in T2DM patients in daily clinical practice.
Methods: This noninterventional, 8-month, prospective, multicenter study evaluated parameters of glucose control, occurrence of adverse events (eg, hypoglycemia), and acceptance of devices in daily clinical practice routine after 12 and 24 weeks of intensifying insulin therapy to a BBT regimen starting from either preexisting BOT with insulin glargine (pre-BOT) or preexisting SIT with ≥3 daily injections of insulin glulisine (pre-SIT).
Results: A total of 1,530 patients were documented in 258 German medical practices. A total of 1,301 patients were included in the full analysis set (55% male, 45% female; age median 64 years; body mass index median 30.8 kg/m2; pre-BOT: n=1,072; pre-SIT: n=229), and 1,515 patients were evaluated for safety. After 12 weeks, HbA1c decreased versus baseline (pre-BOT 8.67%; pre-SIT 8.46%) to 7.73% and 7.66%, respectively (Δ mean -0.94% and -0.80%; P<0.0001). At week 24, HbA1c was further reduced to 7.38% and 7.30%, respectively (Δ mean –1.29% and -1.15%; P<0.0001), with a mean reduction of fasting blood glucose values in both treatment groups by more than 46 mg/dL. An HbA1c goal of ≤6.5% was reached by 17.9% (pre-BOT) and 18.6% (pre-SIT), and an HbA1c ≤7.0% by 46.1% (pre-BOT) and 43.0% (pre-SIT) of patients. During 24 weeks, severe as well as serious hypoglycemic events were rare (pre-BOT: n=5; pre-SIT: n=2; pretreated with both insulins: n=1).
Conclusion: Intensifying glargine-based BOT or glulisine-based SIT to a BBT regimen in poorly controlled T2DM patients in daily routine care led to marked improvements of glycemic control and was well tolerated.

Keywords: type 2 diabetes, clinical practice, BBT, insulin glargine, insulin glulisine, basal–bolus therapy

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