The sustained PFS benefit and long-term safety of ELd at 4 years, similar to those observed at 2 and 3 years, support ELd as a valuable therapeutic option for the long-term treatment of patients with RRMM.
Usage of the NOACs, dabigatran, rivaroxaban, and apixaban may be associated with lower medical (excluding drug costs) costs relative to warfarin, with apixaban having the most substantial medical cost reduction.
Warfarin's time-in-therapeutic range (TTR) is highly variable among patients with nonvalvular atrial fibrillation (NVAF). The objective of this study was to estimate the impact of variations in wafarin's TTR on rates of stroke/systemic embolism (SSE) and major bleedings among NVAF patients in the ARISTOTLE, ROCKET-AF, and RE-LY trials. Additionally, differences in medical costs for clinical endpoints when novel oral anticoagulants (NOACs) were used instead of warfarin at different TTR values were estimated. Quartile ranges of TTR values and corresponding event rates (%/patient - year = %/py) of SSE and major bleedings among NVAF patients treated with warfarin were estimated from published literature and FDA documents. The associations of SSE and major bleeding rates with TTR values were evaluated by regression analysis and then the calculated regression coefficients were used in analysis of medical cost differences associated with use of each NOAC versus warfarin (2010 costs; US payer perspective) at different TTRs. Each 10 % increase in warfarin's TTR correlated with a -0.32%/py decrease in SSE rate (R(2) = 0.61; p < 0.001). Although, the rate of major bleedings decreased as TTR increased, it was not significant (-0.035%/py, p = 0.63). As warfarin's TTR increased from 30 to 90% the estimated medical cost decreased from -$902 to -$83 for apixaban, from -$506 to +$314 for rivaroxaban, and from -$596 to +$223 for dabigatran. Among NVAF patients there is a significant negative correlation between warfarin's TTR and SSE rate, but not major bleedings. The variations in warfarin's TTR impacted the economic comparison of use of individual NOACs versus warfarin.
Patients with ACS impose a substantial direct cost burden on employers and payers and a substantial indirect cost burden on employers. Acute coronary syndrome is more costly to employers and payers than other health conditions that are common among employed persons. Rehospitalizations after the initial hospitalization are common and represent a large portion of the cost.
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