Dataset Information

Clinical inertia in basal insulin-treated patients with type 2 diabetes - Results from a retrospective database study in Japan (JDDM 43).

ABSTRACT:

Aims

This retrospective cohort study investigated whether clinical inertia, the failure to intensify treatment when required, exists in Japanese clinical practice, using the CoDiC® database. How and when patients with type 2 diabetes treated with basal insulin received treatment intensification was also described.

Materials and methods

Patients with type 2 diabetes who initiated basal insulin between 2004 and 2011 were eligible for inclusion. Patients with an HbA1c ?7.0% (?53.0 mmol/mol) after 180 days of basal insulin titration were eligible for intensification, and their treatment was followed for up to 1.5 years. Endpoints were time to intensification, changes in HbA1c, and insulin dose.

Results

Overall, 2351 patients initiated basal insulin treatment (mean HbA1c 9.4% [79.2 mmol/mol]), and 1279 patients were eligible for treatment intensification (HbA1c ?7.0% [?53.0 mmol/mol]) after the 180-day titration period. During the 1.5-year follow-up period (beyond the 180-day titration period), 270 (21%) of these patients received treatment intensification. In patients receiving treatment intensification, mean HbA1c decreased from 8.6 to 8.2% (70.5 to 66.1 mmol/mol) at end of follow-up. Treatment was intensified using bolus insulin in 126 (47%) patients and with premixed insulin in 144 (53%) patients. The estimated probability of intensifying treatment during the 12 months after recording HbA1c ?7.0% (?53.0 mmol/mol) was 22.8%, and 27.5% after 17 months. Mean end-of-follow-up daily insulin dose was 35.11 units for basal-bolus compared with 20.70 units for premix therapy.

Conclusions

This study suggests clinical inertia exists in basal insulin-treated patients with type 2 diabetes in Japan. Strategies are needed to increase the number of patients undergoing therapy intensification and to reduce the delay in intensification in Japan.

SUBMITTER: Satoh J

PROVIDER: S-EPMC6143196 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Publications

Clinical inertia in basal insulin-treated patients with type 2 diabetes - Results from a retrospective database study in Japan (JDDM 43).

Satoh Jo J Andersen Marc M Bekker Hansen Brian B Larsen Thorsted Brian B Tutkunkardas Deniz D Zacho Mette M Maegawa Hiroshi H

PloS one 20180918 9

<h4>Aims</h4>This retrospective cohort study investigated whether clinical inertia, the failure to intensify treatment when required, exists in Japanese clinical practice, using the CoDiC® database. How and when patients with type 2 diabetes treated with basal insulin received treatment intensification was also described.<h4>Materials and methods</h4>Patients with type 2 diabetes who initiated basal insulin between 2004 and 2011 were eligible for inclusion. Patients with an HbA1c ≥7.0% (≥53.0 mm ...[more]

PMID: 30226870

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Project description:IntroductionThe objective of this study was to assess basal insulin persistence, associated factors, and economic outcomes for insulin-naïve people with type 2 diabetes mellitus (T2DM) in Japan.MethodsPeople aged at least 18 years with T2DM with first claim for basal insulin between May 2006 and April 2013 (index date), no insulin use before index date, and continuous insurance coverage for 6 months before (baseline) and 12 months after index date were selected from the Japan Medical Center Database. On the basis of whether there were at least 30-day gaps in basal insulin treatment, patients were classified as continuers (no gap), interrupters (at least one prescription after gap), and discontinuers (no prescription after gap). A multinomial logistic regression model identified factors associated with persistence. Annual healthcare resource use and costs in the year after initiation were compared between continuers and interrupters and between continuers and discontinuers using propensity score-based inverse probability weighting to adjust for baseline differences.ResultsOf the 827 people included (mean age 50 years, ca. 71% male), 36% continued, 42% interrupted, and 22% discontinued basal insulin therapy in the year after initiation. Having at least one inpatient visit and using fewer classes of non-insulin antihyperglycemic medications during baseline were associated with lower likelihoods of continuing therapy. Relative to interrupters and discontinuers, continuers had lower hospitalization rates [continuers, 12.7%; interrupters, 25.4% (p < 0.001); discontinuers, 28.4% (p < 0.001)] and lower inpatient costs [continuers, ¥132,013; interrupters, ¥225,745 (p = 0.054); discontinuers, ¥320,582 (p = 0.036)], but higher pharmacy costs [continuers, ¥158,403; interrupters, ¥134,301 (p = 0.039); discontinuers, ¥121,593 (p = 0.002)] in the year after insulin initiation. Total healthcare costs were similar for the three cohorts.ConclusionsSubstantial proportions of people with T2DM in Japan interrupt or discontinue basal insulin within the year after initiation, and they have higher rates and costs of hospitalizations than patients who continue with their insulin therapy. Further research is needed to understand reasons behind basal insulin persistence and the implications thereof to help clinicians manage T2DM more effectively.FundingEli Lilly and Company, Boehringer Ingelheim.

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Project description:ObjectivesTo compare real-world outcomes of initiating insulin glargine (GLA) versus neutral protamine Hagedorn (NPH) insulin among employees with type 2 diabetes mellitus (T2DM) who had both employer-sponsored health insurance and short-tem-disability coverages.DesignRetrospective cohort study.SettingMarketScan Commercial Claims and Encounters/Health and Productivity Management Databases 2003-2009.ParticipantsAdult employees with T2DM who were previously treated with oral antidiabetic drugs and/or glucagon-like-peptide 1 receptor agonists and initiated GLA or NPH were included if they were continuously enrolled in healthcare and short-term-disability coverages for 3 months before (baseline) and 1 year after (follow-up) initiation. Treatment selection bias was addressed by 2:1 propensity score matching. Sensitivity analyses were conducted using different matching ratios.Primary and secondary outcome measuresOutcomes during 1-year follow-up were measured and compared: insulin treatment persistence and adherence; hypoglycaemia rates and daily average consumption of insulin; total and diabetes-specific healthcare resource utilisation and costs and loss in productivity, as measured by short-term disability, and the associated costs.ResultsA total of 534 patients were matched and analysed (GLA: 356; NPH 178) with no significant differences in baseline characteristics. GLA patients were more persistent and adherent (both p<0.05), had lower rates of hospitalisation (23% vs 31.4%; p=0.036) and endocrinologist visits (19.1% vs 26.9%; p=0.038), similar hypoglycaemia rates (both 4.4%; p=1.0), higher diabetes drug costs ($2031 vs $1522; p<0.001), but similar total healthcare costs ($14 550 vs $16 093; p=0.448) and total diabetes-related healthcare costs ($4686 vs $5604; p=0.416). Short-term disability days and costs were numerically lower in the GLA cohort (16.0 vs 24.5 days; p=0.086 and $2824 vs $4363; p=0.081, respectively). Sensitivity analyses yielded similar findings.ConclusionsInsulin GLA results in better persistence and adherence, compared with NPH insulin, with no overall cost disadvantages. Better persistence and adherence may lead to long-term health benefits for employees with T2DM.

Dataset Information

Clinical inertia in basal insulin-treated patients with type 2 diabetes - Results from a retrospective database study in Japan (JDDM 43).

Aims

Materials and methods

Results

Conclusions

Publications

Clinical inertia in basal insulin-treated patients with type 2 diabetes - Results from a retrospective database study in Japan (JDDM 43).

Similar Datasets

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