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- W2005785446 abstract "Introduction Aging and renal impairment may prolong the half-life and lead to accumulation of low molecular weight heparins. Correct dosing is critical to prevent bleeding or thrombosis. Materials and Methods Open, parallel study. Healthy adult [n = 13] and elderly (>65 yrs) [n = 12] volunteers; and subjects with mild (ClCr ≥ 50 to ≤80 mL/min, n = 8), moderate (ClCr ≥ 30 to <50 mL/min, n = 7), and severe (ClCr < 30 mL/min, n = 8) renal impairment received four prophylactic doses (3,500 IU/24 h) and a single therapeutic dose (115 IU/kg) of bemiparin with an interim washout period. Anti-FXa activity and the potential need for dose adjustment were evaluated. Results There were statistically significant differences in the severe renal impairment group vs. adult volunteers in all anti-FXa related parameters, but no significant differences in any of the anti-FXa related parameters between the adult and the elderly. Anti-FXa simulations after 10 prophylactic doses predicted mean Amax = 0.59 IU/mL in subjects with severe renal impairment and 0.33-0.39 IU/mL in the rest. Simulations in the severe renal impairment group with dose adjustment (2,500 IU/24 h) predicted all individual Amax < 0.60 IU/mL (mean Amax = 0.42 IU/ml). Simulations after 10 therapeutic doses predicted mean Amax = 1.22 IU/mL in severe renal impairment group and 0.89-0.98 IU/mL in the rest. Simulations in the severe renal impairment group with 75% dose adjustment predicted individual Amax ≤ 1.60 IU/mL (mean Amax = 0.91 IU/mL). Conclusions No dose adjustments are required in elderly with preserved renal function. A dose adjustment of bemiparin is only advisable in patients with severe renal impairment when using prophylactic or therapeutic doses." @default.
- W2005785446 created "2016-06-24" @default.
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- W2005785446 date "2014-06-01" @default.
- W2005785446 modified "2023-10-17" @default.
- W2005785446 title "Pharmacodynamics assessment of Bemiparin after multiple prophylactic and single therapeutic doses in adult and elderly healthy volunteers and in subjects with varying degrees of renal impairment" @default.
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- W2005785446 doi "https://doi.org/10.1016/j.thromres.2014.03.038" @default.
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