PharmacoEconomics
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Comparative Study
A cost-utility comparison of four first-line medications in painful diabetic neuropathy.
Painful diabetic neuropathy is common and adversely affects patients' quality of life and function. Several treatment options exist, but their relative efficacy and value are unknown. ⋯ Desipramine (100 mg/day) and duloxetine (60 mg/day) appear to be more cost effective than gabapentin or pregabalin for treating painful diabetic neuropathy. The estimated value of duloxetine relative to desipramine depends on the assumptions made in the statistical analyses of clinical trial data.
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Until now, there has been no standardized method of performing and presenting budget impact analyses (BIAs) in Canada. Nevertheless, most drug plan managers have been requiring this economic data to inform drug reimbursement decisions. This paper describes the process used to develop the Canadian BIA Guidelines; describes the Guidelines themselves, including the model template; and compares this guidance with other guidance on BIAs. ⋯ The Canadian BIA Guidelines differ from the Principles of Good Research Practice for BIAs developed by the International Society for Pharmacoeconomic and Outcomes Research (ISPOR), which provide more general guidance. The Canadian BIA Guidelines and template build upon existing guidance to address the specific requirements of each of the participating drug plans in Canada. Both have been endorsed by the NPDUIS Steering Committee and the PMPRB for the standardization of BIA submissions.
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Review Comparative Study
Zoledronic acid: a pharmacoeconomic review of its use in the management of bone metastases.
Zoledronic acid (Zometa is a third-generation nitrogen-containing parenteral bisphosphonate indicated for the treatment of bone metastases due to solid tumours or multiple myeloma and for hypercalcaemia of malignancy (HCM). In patients with advanced breast or prostate cancer, zoledronic acid 4 mg every 3-4 weeks for up to 15 months significantly reduced the proportion of patients with > or =1 skeletal-related event (SRE), excluding HCM, compared with placebo. In patients with advanced breast cancer or multiple myeloma, the incidence of SREs was similar in patients treated with zoledronic acid 4 mg or pamidronic acid 90 mg every 3-4 weeks for up to 25 months but, in breast cancer patients, zoledronic acid reduced the risk of SREs, including HCM, by an additional 20% compared with pamidronic acid. ⋯ Compared with other bisphosphonates in the setting of advanced breast cancer, intravenous zoledronic acid was more cost effective than oral or intravenous ibandronic acid and intravenous pamidronic acid in one study, but less cost effective than oral ibandronic acid in another. Further efficacy and economic data comparing intravenous zoledronic acid with oral ibandronic acid are needed. Meanwhile, zoledronic acid appears to be the most cost effective intravenous bisphosphonate for the management of bone metastases in patients with advanced breast cancer and possibly in patients with different types of advanced solid tumours.
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There is limited previous research examining the healthcare costs of neovascular age-related macular degeneration (NV-AMD), which constrains our understanding of the economic impact of this condition. With aging populations, this leading cause of rapid vision loss in Western countries is expected to become a pressing health predicament, requiring decision makers to evaluate alternative treatment strategies for AMD. ⋯ Bilateral NV-AMD imposes significant functional impairment on patients, leading to increased HRU and a high societal cost burden. Differences in national healthcare systems and NV-AMD treatment patterns were reflected in the wide variation of NV-AMD costs across the five surveyed countries. Even though the prevalence rates and per-patient costs varied by country, the societal costs of NV-AMD patients were substantial in each country. Earlier intervention with effective therapies is expected to reduce disease burden and disability associated with NV-AMD and, thus, decrease the overall societal cost.
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Natalizumab (Tysabri) is a new disease-modifying therapy that has been shown to be clinically effective in patients with relapsing-remitting multiple sclerosis (RRMS) and has been licensed for use in patients with highly active RRMS (HARRMS). These patients are those who experience higher relapse rates and faster disability progression than the general RRMS population. ⋯ If UK society is willing to pay more than 8200 pound per QALY, or Health and Social Services are willing to pay more than 26,000 pound per QALY, this analysis suggests that natalizumab is likely to be a cost-effective treatment for all patients with HARRMS.