Observational study of once-daily insulin detemir in people with type 2 diabetes aged 75 years or older: a sub-analysis of data from the Study of Once daily LeVEmir (SOLVE)

Eddy Karnieli, Florian M M Baeres, Grzegorz Dzida, Qiuhe Ji, Robert Ligthelm, Stuart Ross, Anne Louise Svendsen, Jean-François Yale, SOLVE Study Group, Jean-François Yale, Stuart Ross, Qiuhe Ji, Chang Yu Pan, Marcel Kaiser, Andreas Liebl, Eddy Karnieli, Salvatore Caputo, Alberto Maran, Robert Ligthelm, Grzegorz Dzida, Luisa Raimundo, Sara Artola, Domingo Orozco-Beltran, Taner Damci, Sazi Imamoglu, Jiten Vora, Kamlesh Khunti, Luigi Meneghini, Eddy Karnieli, Florian M M Baeres, Grzegorz Dzida, Qiuhe Ji, Robert Ligthelm, Stuart Ross, Anne Louise Svendsen, Jean-François Yale, SOLVE Study Group, Jean-François Yale, Stuart Ross, Qiuhe Ji, Chang Yu Pan, Marcel Kaiser, Andreas Liebl, Eddy Karnieli, Salvatore Caputo, Alberto Maran, Robert Ligthelm, Grzegorz Dzida, Luisa Raimundo, Sara Artola, Domingo Orozco-Beltran, Taner Damci, Sazi Imamoglu, Jiten Vora, Kamlesh Khunti, Luigi Meneghini

Abstract

Objectives: Older patients are particularly vulnerable to hypoglycaemia. The aim of this study was to evaluate the response to initiation of once-daily insulin detemir in patients aged ≥75 years with type 2 diabetes mellitus (T2DM) treated with one or more oral antidiabetic drugs (OADs).

Methods: A sub-analysis was conducted using data from SOLVE (Study of Once daily LeVEmir), a 24-week observational study involving 3,219 investigators and 2,817 project sites from ten countries. Routine clinical practice was followed; there were no study-prescribed procedures. The total cohort comprised 17,374 participants, of whom 2,398 (14 %) were aged ≥75 years. The physicians collected information from patient recall, the patients' medical records and their self-monitored blood glucose diaries (if kept).

Results: Pre-insulin glycated haemoglobin (HbA(1c)) was similar between participants aged ≥75 years and those aged <75 years (HbA(1c) 8.8 ± 1.5 % vs. 8.9 ± 1.6 % [mean ± SD], respectively). After 24 weeks of treatment, similar reductions in HbA(1c) were observed in the two subgroups: 7.6 ± 1.1 % and 7.5 ± 1.2 % in participants aged ≥75 years and those aged <75 years, respectively. The incidence of severe hypoglycaemia (episodes per patient-year) decreased during the study in both age groups (from 0.057 to 0.007 in patients aged ≥75 years; from 0.042 to 0.005 in patients aged <75 years), while minor hypoglycaemia increased from 1.1 to 2.0 and from 1.7 to 1.8 episodes per patient-year in the older and younger age groups, respectively. Average weight reduction was similar in both groups: -0.5 kg (≥75 years) and -0.6 kg (<75 years).

Conclusion: In both the older and younger age groups, the addition of once-daily insulin detemir to existing OAD regimens was effective and safe. In older patients, an improvement in HbA(1c) of 1.2 % was not associated with an increased risk of severe hypoglycaemia or weight gain.

Trial registration: ClinicalTrials.gov NCT00740519 NCT00825643.

Figures

Fig. 1
Fig. 1
Incidence of severe, any minor and minor nocturnal hypoglycaemia, according to age group: ppy per patient-year
Fig. 2
Fig. 2
Relative change in oral antidiabetic drug (OAD) use, from pre-insulin to the end of the study, according to age group. DPP-IV dipeptidyl peptidase-IV, TZD thiazolidinedione

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Source: PubMed

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