ObjectiveTo determine real-world trends in antidiabetic drug use, and persistence and adherence, in Japanese patients with type 2 diabetes mellitus (T2DM).DesignRetrospective evaluation of administrative claims data (2011–2015) using the Japan Medical Data Center (JMDC) and Medical Data Vision (MDV) databases.SettingAnalysis of two administrative claims databases for Japanese patients with T2DM.ParticipantsAdults (aged ≥18 years) with an International Classification of Diseases, 10th Revision code of T2DM and at least one antidiabetic drug prescription.Main outcome measuresTreatment patterns in untreated (UT) or previously treated (PT) patients receiving antidiabetic therapy; persistence with treatment at 12 months; adherence to treatment at 12 months.Results40 908 and 90 421 patients were included from the JMDC and MDV databases, respectively. The most frequently prescribed therapy at the index (first prescription) date was dipeptidyl peptidase-4 inhibitor (DPP-4i) in UT patients (JMDC: 44.0%, MDV: 54.8%) and combination therapy in PT patients (74.6%, 81.1%). Most common combinations were DPP-4i plus: biguanide (BG; 11.4%, 10.9%), sulfonylurea (SU; 8.4%, 11.0%) or BG+SU (7.8%, 9.1%). In UT or PT patients from either database whose index prescription was for any antidiabetic drug class(es) other than DPP-4i, the most frequent add-on or switch was to DPP-4i. 12-month persistence with index monotherapy was highest with DPP-4i and BG. Adherence was high (≥80%) for all monotherapy schedules, except insulin and glucagon-like peptide-1 agonist, and for the five most frequent two-drug and three-drug combinations. Persistence was greater in elderly UT patients and in those receiving ≤5 medications, but comparatively worse in UT patients with ≥3 index antidiabetic drug classes.ConclusionsThe findings indicate that DPP-4i is the most commonly used antidiabetic drug class in Japanese patients with T2DM, and persistence and adherence to this antidiabetic drug class are high.
Objective: To compare treatment patterns, persistence and adherence between fixed-dose combinations (FDCs) and two-pill combinations (TPCs) of oral antidiabetic drug (OAD) classes in Japanese patients with type 2 diabetes mellitus (T2DM) using administrative claims databases (Japan Medical Data Center [JMDC] and Medical Data Vision [MDV]). Methods: This was a retrospective, longitudinal cohort analysis conducted between 2011 and 2015, in patients with T2DM receiving OADs as FDC or TPC. Outcomes included prescribing patterns, treatment persistence and adherence. Results: Data from 3474 and 3066 patients receiving FDCs, and 4325 and 5192 patients receiving TPCs from the JMDC and MDV databases, respectively, was extracted. The most common OAD combination received by over half of all patients was dipeptidyl peptidase-4 inhibitor (DPP-4i) þ thiazolidinediones (TZDs) (64.1% [JMDC] and 70.5% [MDV]). Overall, 12-month persistence rates were higher in patients receiving FDCs compared with TPCs (70.4 vs. 66.2% [JMDC], 75.6 vs. 55.7% [MDV]). In the JMDC population receiving FDCs or TPCs, persistence rates were highest with DPP-4i schedules (67.5-83.5%). Median time to discontinuation was significantly longer with biguanide þ TZD, and DPP-4i þ TZD FDC schedules (p < .05) than TPC; adherence rates were 80% across all antidiabetic drug classes in both database populations. Conclusions: Persistence with and adherence to OADs in Japanese patients with T2DM were greater with FDCs than with TPCs, which may suggest increased patient satisfaction due to reduced treatment burden. Further studies are warranted to investigate the impact of adherence and persistence of FDCs of OADs on glycemic control.
Objectives: To analyze prescription patterns and the cost of antihyperglycemic drugs in patients with type 2 diabetes (T2DM) treated in Germany in 2015. MethOds: This study included 36,382 patients aged 40 years or over treated in general practices (GPs) and diabetologist practices who were diagnosed with T2DM in 2015. Nine different families of antihyperglycemic therapy were included in the analysis. Demographic data included age, gender, and type of health insurance coverage. Clinical data included HbA1c level, body mass index (BMIs), and the number of T2DM complications. The annual antihyperglycemic treatment cost per patient was calculated based on pharmacy retail prices. The multivariate regression analysis was fitted to estimate the adjusted treatment cost differences. Results: The percentage of T2DM patients receiving antihyperglycemic treatments was 87.6. This share was slightly higher in men than in women (89.1% versus 86.0%). Interestingly, the share of people treated with antihyperglycemic drugs decreased with age yet increased with HbA1c levels, BMI, and the number of complications. The average annual cost of antihyperglycemic drugs amounted to € 498. It was significantly higher in men than in women (difference of € 22). It was also significantly higher in individuals with private health insurance coverage than in people with public health insurance coverage (difference of € 153). The annual cost decreased with age. It is compelling to note that this cost increased with HbA1c levels and BMI. Finally, the annual cost also increased with the number of complications. cOnclusiOns: The share and the cost of antihyperglycemic treatments vary with gender, age, type of health insurance coverage, HbA1c levels, BMI, and the number of complications.Objectives: To estimate the relative efficacy of sodium glucose co-transporter 2 (SGLT2) inhibitors as add-on to metformin in patients with type 2 diabetes mellitus (T2DM) via indirect comparison methods. MethOds: A systematic literature review and Bayesian network meta-analyses (NMA) were conducted to assess the relative efficacy of the SGLT2 inhibitors canagliflozin (CANA), empagliflozin (EMPA), and dapagliflozin (DAPA) as add-on to metformin. Separate networks of evidence were constructed to estimate the difference in HbA1c lowering between these agents in clinical trials reporting data at 3 time points: 26 ± 4 weeks, 52 weeks, and 104 ± 2 weeks. As 2 different methods to account for missing data were used in the publications reporting 104-week results (i.e., last observation carried forward [LOCF] and mixed-model for repeated measures [MMRM]), 2 separate networks were constructed for this time point. Relative efficacy was evaluated based on surface under the curve (SUCRA) rankings, absolute differences in HbA1c reductions, and Bayesian probabilities. Results: In all networks, SUCRA rankings indicated that CANA 300 mg was the best alternative, with associated probabilities ranging from 77% to 90%. Greater HbA1c reductions were estimated for CANA 300 mg versus the h...
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