Lipid-lowering treatment patterns in patients with new cardiovascular events - estimates from population-based register data in Sweden.

OBJECTIVES: The aim of this study was to assess treatment patterns of lipid-lowering therapy (LLT) in patients with hyperlipidaemia or prior cardiovascular (CV) events who experience new CV events. METHODS: A retrospective population-based cohort study was conducted using Swedish medical records and registers. Patients were included in the study based on a prescription of LLT or CV event history and followed up for up to 7 years for identification of new CV events and assessment of LLT treatment patterns. Patients were stratified into three cohorts based on CV risk level. All outcomes were assessed during the year following index (the date of first new CV event). Adherence was defined as medication possession ratio (MPR) > 0.80. Persistence was defined as no gaps > 60 days in supply of drug used at index. RESULTS: Of patients with major cardiovascular disease (CVD) history (n = 6881), 49% were not on LLT at index. Corresponding data for CV risk equivalent and low/unknown CV risk patients were 37% (n = 3226) and 38% (n = 2497) respectively. MPR for patients on LLT at index was similar across cohorts (0.74-0.75). The proportions of adherent (60-63%) and persistent patients (56-57%) were also similar across cohorts. Dose escalation from dose at index was seen within all cohorts and 2-3% of patients switched to a different LLT after index while 5-6% of patients augmented treatment by adding another LLT. CONCLUSIONS: Almost 50% of patients with major CVD history were not on any LLT, indicating a potential therapeutic gap. Medication adherence and persistence among patients on LLT were suboptimal.

Work productivity loss and indirect costs associated with new cardiovascular events in high-risk patients with hyperlipidemia: estimates from population-based register data in Sweden.

OBJECTIVES: To estimate productivity loss and associated indirect costs in high-risk patients treated for hyperlipidemia who experience cardiovascular (CV) events. METHODS: Retrospective population-based cohort study conducted using Swedish medical records linked to national registers. Patients were included based on prescriptions of lipid-lowering therapy between 1 January 2006 and 31 December 2011 and followed until 31 December 2012 for identification of CV events and estimation of work productivity loss (sick leave and disability pension) and indirect costs. Patients were stratified into two cohorts based on CV risk level: history of major cardiovascular disease (CVD) and coronary heart disease (CHD) risk equivalent. Propensity score matching was applied to compare patients with new events (cases) to patients without new events (controls). The incremental effect of CV events was estimated using a difference-in-differences design, comparing productivity loss among cases and controls during the year before and the year after the cases' event. RESULTS: The incremental effect on indirect costs was largest in the CHD risk equivalent cohort (n = 2946) at €3119 (P value <0.01). The corresponding figure in the major CVD history cohort (n = 4508) was €2210 (P value <0.01). There was substantial variation in productivity loss depending on the type of event. Transient ischemic attack and revascularization had no significant effect on indirect costs. Myocardial infarction (€3465), unstable angina (€2733) and, most notably, ischemic stroke (€6784) yielded substantial incremental cost estimates (P values <0.01). CONCLUSIONS: Indirect costs related to work productivity losses of CV events are substantial in Swedish high-risk patients treated for hyperlipidemia and vary considerably by type of event.

Healthcare costs associated with cardiovascular events in patients with hyperlipidemia or prior cardiovascular events: estimates from Swedish population-based register data.

OBJECTIVES: To estimate healthcare costs of new cardiovascular (CV) events (myocardial infarction, unstable angina, revascularization, ischemic stroke, transient ischemic attack, heart failure) in patients with hyperlipidemia or prior CV events. METHODS: A retrospective population-based cohort study was conducted using Swedish national registers and electronic medical records. Patients with hyperlipidemia or prior CV events were stratified into three cohorts based on CV risk level: history of major cardiovascular disease (CVD), coronary heart disease (CHD) risk-equivalent, and low/unknown risk. Propensity score matching was applied to compare patients with new events to patients without new events for estimation of incremental costs of any event and by event type. RESULTS: A CV event resulted in increased costs over 3 years of follow-up, with the majority of costs occurring in the 1st year following the event. The mean incremental cost of patients with a history of major CVD (n = 6881) was €8588 during the 1st year following the event. This was similar to that of CHD risk-equivalent patients (n = 3226; €6663) and patients at low/unknown risk (n = 2497; €8346). Ischemic stroke resulted in the highest 1st-year cost for patients with a history of major CVD and CHD risk-equivalent patients (€10,194 and €9823, respectively); transient ischemic attack in the lowest (€3917 and €4140). Incremental costs remained elevated in all cohorts during all three follow-up years, with costs being highest in the major CVD history cohort. CONCLUSIONS: Healthcare costs of CV events are substantial and vary considerably by event type. Incremental costs remain elevated for several years after an event.

Survival and clinical metastases among prostate cancer patients treated with androgen deprivation therapy in Sweden.

OBJECTIVES: To examine the incidence of metastases and clinical course of prostate cancer patients who are without confirmed metastasis when initiating androgen deprivation therapy (ADT). METHODS: Retrospective cohort study conducted using electronic medical records from Swedish outpatient urology clinics linked to national mandatory registries to capture medical and demographic data. Prostate cancer patients initiating ADT between 2000 and 2010 were followed from initiation of ADT to metastasis, death, and/or end of follow-up. RESULTS: The 5-year cumulative incidence (CI) of metastasis was 18%. Survival was 60% after 5 years; results were similar for bone metastasis-free survival. The 5-year CI of castration-resistant prostate cancer (CRPC) was 50% and the median survival from CRPC development was 2.7 years. Serum prostate-specific antigen (PSA) levels and PSA doubling time were strong predictors of bone metastasis, any metastasis, and death. CONCLUSION: This study provides understanding of the clinical course of prostate cancer patients without confirmed metastasis treated with ADT in Sweden. Greater PSA values and shorter PSA doubling time (particularly ≤ 6 months) were associated with increased risk of bone metastasis, any metastasis, and death.

The value of early treatment in patients with haemophilia and inhibitors.

Development of inhibitors to infused factor concentrates represents a major clinical and economic challenge in the treatment of haemophilic patients. It has been shown that a delay in initiation of treatment leads to requirement of a larger number of injections to stop the bleeding but this has never been formally linked to costs associated with the bleeding. The objectives of this study were to assess the relationship between time to initiation of NovoSeven and total costs, number of doses administered and time to bleeding resolution in mild to moderate bleeding episodes. Data on time to treatment initiation, time to bleeding resolution and on all resource use related to the bleeding were extracted from medical records in Turkey for 129 bleeding episodes. Regression analysis was used to assess the impact of time to treatment on outcomes. Longer time to treatment initiation increased both total costs associated with the bleeding, the number of doses needed and the time to bleeding resolution. Treatment in hospital was associated with significantly longer time to treatment, higher costs and longer time to bleeding resolution as compared with home treatment or outpatient treatment. When controlling for other bleeding characteristics, the cost of bleedings treated in hospital was more than 150% higher. This study shows that treatment with NovoSeven should be initiated as soon as possible after the onset of bleeding in order to minimize costs and optimize outcomes. Home treatment reduces time to treatment initiation and also reduces costs related to the bleeding.

Cross sectional observational study on the societal costs of Alzheimer's disease.

INTRODUCTION: Alzheimer's disease (AD) is one of the most important causes of morbidity and functional decline among the elderly and gives rise to substantial costs for society. There is today limited data on resource utilization and quality of life in AD, in particular in the severe stage of disease. AIMS & METHODS: The objectives of this study were to estimate the relationship between costs, patient and caregiver quality of life, and disease severity. For 233 patients in Sweden and their caregivers cross-sectional data on cognitive function (MMSE), ADL ability, behavioral disturbances, formal and informal resource use and health related quality of life (HRQoL) were collected by questionnaires to caregivers and to the treating physician. Patients were stratified into the disease stages mild, moderate and severe AD based on MMSE-scores. RESULTS: The mean annual total cost in 2007 USD was 23,400 in mild, 56,800 in moderate and 71,400 in severe AD. Special forms of accommodation accounted for the majority of costs. Costs were higher for patients with lower cognitive function, lower ADL ability and more behavioral disturbances, with ADL ability being the most consistent predictor of costs. There were significant differences in HRQoL between the disease stages: health utility scores were 0.64 in mild, 0.39 in moderate and 0.24 in severe AD. CONCLUSIONS: The societal costs of AD are very high, especially for patients with moderate and severe AD. This implies that treatments with the ability to delay progression of the disease into more severe stages have the potential to save large costs for society.