BackgroundBiological therapies (BTs) including infliximab (IFX), adalimumab (ADL), secukinumab (SCK) and ustekinumab (UST) are approved in Japan for the treatment of psoriasis. Although the persistence rates and medical costs of BTs treatment have been investigated in multiple foreign studies in recent years, few such studies have been conducted in Japan and the differences between patients who adhered to treatment and those who did not have not been reported. This study is aimed at investigating the persistence rates and medical costs of BTs in the treatment of psoriasis in Japan, using the real-world data from a large-scale claims database.MethodsClaims data from the JMDC database (August 2009 to December 2016) were used for this analysis. Patient data were extracted using the ICD10 code for psoriasis and claims records of BT injections. Twelve-month and 24-month persistence rates of BTs were estimated by Kaplan-Meier methodology, and 12-month-medical costs before and after BT initiation were compared between persistent and non-persistent patient groups at 12 months.ResultsA total of 205 psoriasis patients treated with BTs (BT-naïve patients: 177) were identified. The 12-month/24-month persistence rates for ADL, IFX, SCK, and UST in BT-naïve patients were 46.8% ± 16.6%/46.8 ± 16.6%, 53.0% ± 14.9%/41.0% ± 15.5%, 55.4%/55.4% (95% CI not available) and 79.4% ± 9.9%/71.9% ± 12.2%, respectively. Statistically significant differences in persistence were found among different BT treatments, and UST was found to have the highest persistence rate. The total medical costs during the 12 months after BT initiation in BT-naïve patients were (in 1000 Japanese Yen): 2218 for ADL, 3409 for IFX, 465 for SCK, 2824 for UST (average: 2828). Compared with the 12-month persistent patient group, the total medical costs in the persistent group was higher (Δ:+ 118), but for some medications such as IFX or UST cost increases were lower for persistent patients.ConclusionsUST was found to have the highest persistence rate among all BTs for psoriasis treatment in Japan. The 12-month medical costs after BT initiation in the persistent patient group may not have increased as much as in the non-persistent patient group for some medications.Electronic supplementary materialThe online version of this article (10.1186/s12895-018-0074-0) contains supplementary material, which is available to authorized users.
Objective: To understand the different methodologies used to elicit willingness to pay for health and the value of a statistical life year through surveys. Methodology: A systematic review of the literature was undertaken to identify studies using surveys to estimate either willingness to pay for health or the value of a statistical life year. Each study was reviewed and the study setting, sample size, sample description, survey administration (online or face to face), survey methodology, and results were extracted. The results of the studies were then compared to any published national guidelines of cost-effectiveness thresholds to determine their accuracy. Results: Eighteen studies were included in the review with 15 classified as willingness to pay and 3 value of a statistical life. The included studies covered Asia (n = 6), Europe (n = 4), the Middle East (n = 1), and North America (n = 5), with one study taking a global perspective. There were substantial differences in both the methodologies and the estimates of both willingness to pay and value of a statistical life between the different studies. Conclusion: Different methods used to elicit willingness to pay and the value of a statistical life year resulted in a wide range of estimates.
ObjectivesAn increasing emphasis on patient-centred health care and shared decision making requires an intensive consideration of patient preferences. In the present study, patient preferences regarding treatment of HIV/AIDS were explored using direct assessment and discrete choice experiment (DCE).MethodsBased on literature research about preferences of HIV/AIDS patients we conducted a qualitative pre-study. The results were used to compose a questionnaire on relevant aspects of HIV/AIDS treatment which underwent a pre-test. In the subsequent quantitative study phase presented here, the following data were collected online or on paper including socio-demographic data, SF12v2, data on HIV/AIDS, antiretroviral treatment and patient preferences for therapy characteristics using direct measurement, as well as a discrete choice experiment.Results218 patients completed the quantitative main study, 82% of these on paper. 86% were male and the most frequent age group was between 45 and 54 years (37.6%). The SF12v2 showed a mean value of 43 points for the “mental health” component sum score. In the direct measurement the most relevant therapy characteristics were “Self-application of the drug (at home or on-the-go) possible”, “Drug has very high efficacy (reduction of viral load)” and “Long term (hidden) damage (e.g. organ damage) is unlikely”. Based on a factor analysis, six treatment characteristics were selected and used to generate eight virtual therapies. To evaluate the patient assessments a random effect logit model was employed. All of the characteristics were statistically significant predictors of the model of patient preference. The most important therapy characteristic was that the disease is not obvious for others.ConclusionsThe main result is the high impact of quality of life, in particular the emotional quality of life on patient preferences on the selection of treatments. Thus, the selection of particular treatment options should be accompanied by a deliberate consideration of treatment features, which need to be considered in order to maximize patient adherence and compliance.
BackgroundMajor depressive disorders (MDDs) including treatment-resistant depression (TRD) are common disabling conditions, but data on their epidemiology in Japan are limited. This study investigated the incidence, epidemiology, and direct medical costs of TRD and pharmaceutically-treated depression (PTD) in Japan to increase our health economic understanding of this phenotype of MDD.MethodsA retrospective cohort study from a private health insurance claims database estimated the 1-year incidence of PTD and TRD and described the health services used and direct medical costs associated with these conditions.ResultsIn the year from 1 April 2012 through 31 March 2013, we identified 1143 incident PTD cases among 98,552 eligible subjects, i.e. 11.59 cases/1000 patient-years. Of the PTD patients, 51.4% were women. Within the 1-year observation interval 137 patients failed more than two antidepressive treatment approaches and thus developed TRD. Though co-morbid conditions and age were similar among PTD and TRD patients, medical costs per patient (patient-year) during their treatment intervals were 1.01 million JPY (0. 540 million JPY) in the TRD population and 0.643 JPY million JPY (0.645 million JPY) in the PTD population who did not convert into TRD.ConclusionsThis study describes the PTD and TRD patient populations in a large claims database in Japan and highlights an unmet medical need for the treatment of TRD to provide better preventative measures and interventions for the treatment of depression.Electronic supplementary materialThe online version of this article (10.1007/s40801-017-0126-5) contains supplementary material, which is available to authorized users.
Background:This study sought to identify factors that impact the total health care costs associated with hospitalization of young Japanese children with respiratory syncytial virus (RSV).Methods:Children admitted between April 2014 and March 2015 with at least a confirmed diagnosis of RSV and 2 days of hospital stay were considered for inclusion. Data analyses of hospital claims were performed using a structural equation modeling approach.Results:A total of 6811 Japanese inpatients (<5 years old) diagnosed with RSV were included. The average length of stay was 7.5 days with a mean total health care cost of US Dollars (USD) $3344 per hospitalization. Intensive care unit hospitalizations were associated with greater costs (USD +$4951) compared to routine hospitalizations. The highest procedure-related cost drivers were blood transfusions (USD +$6402) and tube feedings (USD +$3512).Conclusion:The economic burden of RSV-related infection hospitalizations in Japan is considerable. Efforts should be toward immunization and therapeutic treatment strategies that reduce severity, prevent, or reduce the duration of hospitalization.
Introduction We have developed a new framework to assess shared decision-making (SDM) as a tool to improve patient satisfaction. This framework is based on a “preference fit” index that relates SDM to patient treatment preferences and patient satisfaction in a sample of rheumatoid arthritis (RA) patients in Japan. Methods We surveyed 500 RA patients in Japan and explored the interactions between the treatment preference fit index, SDM, and overall patient satisfaction. Results Our new preference fit index reveals significant impact on patient satisfaction: the better the fit between SDM and patient preferences, the higher the patient satisfaction with the current treatment. Patients treated with biologic agents were more satisfied. Patients suffering from depression or migraines scored significantly lower both on our preference fit measure and for overall patient satisfaction. Conclusion The association between depression and a low treatment preference fit suggests that depression may pose challenges to SDM and that doctors in Japan are less attuned to the SDM preferences of depressed patients. Funding Janssen Pharmaceutical KK.
The purpose of the present study is to investigate the concordance of treatment preferences between patients and physicians in prostate cancer (PCa) in Japan. An internet-based discrete choice experiment was conducted. Patients and physicians were asked to select their preferred treatment from a pair of hypothetical treatments consisting of four attributes: quality of life (QOL), treatment effectiveness, side effects, and accessibility of treatment. The data were analyzed using a conditional logistic regression model to calculate coefficients and the relative importance (RI) of each attribute. A total of 103 PCa patients and 127 physicians responded. The study looked at 37 patients considered as advanced PCa and 66 who were non-advanced PCa. All of the physicians were urologists. Advanced PCa patients ranked the attributes as follows: treatment effectiveness (RI: 32%), accessibility of treatment (RI: 26%), QOL (RI: 23%), and side effects (RI: 19%). For physicians, the RI ranking was the same as for advanced PCa patients; treatment effectiveness (RI: 29%), accessibility of treatment (RI: 27%), QOL (RI: 26%), and side effects (RI: 18%). For non-advanced PCa patients, accessibility of treatment ranked the highest RI (27%) and treatment effectiveness ranked as the lowest RI (14%). Our study suggests that the ranking of the attributes was consistent between advanced PCa patients and physicians. The most influential attribute was treatment effectiveness. Treatment preferences also vary by disease stage.
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