Ekonomi Bölümü Koleksiyonu

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Author: search.filters.author.Xie, LCOAR Access Rights: search.filters.coarAccessRights.open access

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  • Article
    Citation - WoS: 13
    Citation - Scopus: 13
    Therapeutically Interchangeable? a Study of Real-World Outcomes Associated With Switching Basal Insulin Analogues Among Us Patients With Type 2 Diabetes Mellitus Using Electronic Medical Records Data
    (Wiley, 2014-12-04) Wei, W.; Gill, J.; Ye, F; Xie, L; Levin, P.; Miao, R.; Başer, Onur
    Aims: To evaluate real-world clinical outcomes for switching basal insulin analogues [insulin glargine (GLA) and insulin detemir (DET)] among US patients with type 2 diabetes mellitus (T2DM). Methods: Using the GE Centricity Electronic Medical Records database, this retrospective study examined two cohorts: cohort 1, comprising patients previously on GLA and then either switching to DET (DET-S) or continuing with GLA (GLA-C); and cohort 2, comprising patients previously on DET and then either switching to GLA (GLA-S) or continuing with DET (DET-C). Within each cohort, treatment groups were propensity-score-matched on baseline characteristics. At 1-year follow-up, insulin treatment patterns, glycated haemoglobin (HbA1c) levels, hypoglycaemic events, weight and body mass index (BMI) were evaluated. Results: The analysis included 13 942 patients: cohort 1: n= 10 657 (DET-S, n= 1797 matched to GLA-C, n= 8860) and cohort 2: n= 3285 (GLA-S, n= 858 matched to DET-C, n= 2427). Baseline characteristics were similar between the treatment groups in each cohort. At 1-year follow-up, in cohort 1, patients in the DET-S subgroup were significantly less persistent with treatment, more likely to use a rapid-acting insulin analogue, had higher HbA1c values, lower HbA1c reductions and lower proportions of patients achieving HbA1c < 7.0 or < 8.0% compared with patients in the GLA-C subgroup, while hypoglycaemia rates and BMI/weight values and change from baseline were similar in the two subgroups. In cohort 2, overall, there were contrasting findings between patients in the GLA-S and those in the DET-C subgroup. Conclusions: This study showed contrasting results when patients with T2DM switched between basal insulin analogues, although these preliminary results may be subject to limitations in the analysis. Nevertheless, this study calls into question the therapeutic interchangeability of GLA and DET, and this merits further investigation.
  • Conference Object
  • Conference Object
    Pmh26 - Comparing Healthcare Resource Utilization and Costs Among Schizophrenic Patients Who Initiated Typical Vs. Atypical Long-Acting Injectables in the Us Veteran Population
    (Elsevier Science Inc, 2015-05-01) Başer, Onur; Kariburyo, M. Furaha; Du, J; Xie, L
    OBJECTIVES: To evaluate healthcare resource utilization and costs among schizophrenic patients who initiated typical and atypical long-acting injectables (LAIs) inthe U.S. veteran population. METHODS: Using the Veterans Health Administration(VHA) Medical SAS datasets, patients with ?1 pharmacy claim for LAIs were identified from 01OCT2005 through 30SEPT2012. The first LAI date was designated asthe index date. Patients were required to be age ?18 years, have continuous healthplan enrollment for 12 months pre-index date and a schizophrenia diagnosis(International Classification of Diseases, 9th Revision, Clinical Modification [ICD9-CM] code 295.xx) during the study period. Patient data was observed until theearlier date of death or the end of the study period, and patients were assigned totypical LAI (fluphenazine, haloperidol, perphenazine) or atypical LAI (aripiprazole,olanzapine, paliperidone, risperidone) antipsychotic cohorts. All-cause (follow-up)and psychiatric disorder-related healthcare resource utilization and costs wereassessed. Follow-up health care costs were adjusted to per-patient-per-month.The generalized linear model (GLM) was used to assess cost and utilization differences among the cohorts. RESULTS: A total of 4,796 patients were identified(Typical LAI cohort: N=1,941; Atypical LAI cohort: N=2,855). Typical LAI patientswere older (age 53.81 vs. 50.94 years, p<0.0001) and more likely to be black (34.47%vs. 28.27%, p<0.0001) than atypical LAI patients. After adjusting for baseline differences using GLM, more patients prescribed typical LAIs had all-cause emergencyroom [ER] visits (61.66% vs. 58.11%, p=0.024) and inpatient stays (63.11% vs. 59.00%, p=0.008) and psychiatric disorder-related ER visits (33.83% vs. 30.05%, p=0.011)than those prescribed atypical LAIs. However, typical LAI patients incurred lowerall-cause pharmacy ($197 vs. $433, p<0.001), total ($2,850 vs. $3,073, p=0.048) andpsychiatric disorder-related total costs ($1,615 vs. $1,624, p=0.908) than atypical LAIpatients. CONCLUSIONS: Although patients who initiated typical LAIs had highhealthcare resource utilization, their economic burden was lower compared to thosewho initiated atypical LAIs.