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骨关节炎患者滑液中萘普生的动力学

Naproxen kinetics in synovial fluid of patients with osteoarthritis.

作者信息

Bruno R, Iliadis A, Jullien I, Guego M, Pinhas H, Cunci S, Cano J P

机构信息

Recherche Syntex France, Leuville-sur-Orge.

出版信息

Br J Clin Pharmacol. 1988 Jul;26(1):41-4. doi: 10.1111/j.1365-2125.1988.tb03361.x.

Abstract
  1. The kinetics of naproxen in synovial fluid were studied in 407 osteoarthritic outpatients with knee effusion requiring aspiration, following a single 1100 mg oral dose of naproxen sodium. 2. The drug concentration-time profiles were described by a biexponential function. Naproxen entered synovial fluid rapidly, reaching a maximum concentration of 36 mg l-1 (Cmax) at 7.5 h. The first order input rate constant (kOs) was 0.41 +/- 0.15 h-1 with a lag time (tlag) of 0.24 +/- 0.36 h. 3. Elimination from the fluid was slow (t1/2 = 31 +/- 12 h) and appreciable drug concentrations were still measurable (27 mg l-1) after 24 h. 4. During once daily dosing of naproxen sodium, naproxen should accumulate in synovial fluid, a steady-state being achieved within a week of treatment. The predicted accumulation ratio based on trough concentration was 2.4.
摘要
  1. 在407例需要进行膝关节积液抽吸的骨关节炎门诊患者中,口服单次1100毫克萘普生钠后,研究了萘普生在滑液中的动力学。2. 药物浓度-时间曲线用双指数函数描述。萘普生迅速进入滑液,在7.5小时时达到最大浓度36毫克/升(Cmax)。一级输入速率常数(kOs)为0.41±0.15小时-1,滞后时间(tlag)为0.24±0.36小时。3. 从滑液中消除缓慢(t1/2 = 31±12小时),24小时后仍可测得相当可观的药物浓度(27毫克/升)。4. 在每日一次服用萘普生钠期间,萘普生应在滑液中蓄积,治疗一周内达到稳态。基于谷浓度预测的蓄积比为2.4。

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Naproxen kinetics in synovial fluid of patients with osteoarthritis.骨关节炎患者滑液中萘普生的动力学
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本文引用的文献

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Statistical estimations in pharmacokinetics.药物动力学中的统计学估计
J Pharmacokinet Biopharm. 1974 Apr;2(2):123-48. doi: 10.1007/BF01061504.
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Steady-state dosage regimen calculations in linear pharmacokinetics.
Int J Biomed Comput. 1986 May;18(3-4):167-82. doi: 10.1016/0020-7101(86)90014-0.
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Naproxen concentrations in serum, synovial fluid, and synovium.
Scand J Rheumatol. 1977;6(3):155-7. doi: 10.3109/03009747709095441.

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