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Pharmacokinetics of levosulpiride after single and multiple intramuscular administrations in healthy Chinese volunteers

机译:一次或多次肌肉注射对中国健康志愿者左氧舒必利的药代动力学

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摘要

The main purpose of this study was to evaluate the pharmacokinetics of levosulpiride in humans after single and multiple intramuscular injections. Six males and six females received single dose of either 25 mg or 50 mg levosulpiride, or multiple doses of 25 mg every 12 h for 5 consecutive days. In the single 25 mg study, the mean peak plasma concentration (Cmax) was 441 ng/mL, the mean area under the concentration–time curve from 0 to 36 h (AUC0–36) was 1724 ng h/mL, and the mean elimination half-life (t1/2) was 7.0 h. In the single 50 mg study, the mean Cmax was 823 ng/mL, the mean AUC0–36 was 3748 ng·h/mL, and the mean t1/2 was 6.8 h. After multiple doses of 25 mg levosulpiride, the average plasma concentration (Cav) was 136 ng/mL, the fluctuation index (DF) was 3.60, and the accumulation ratio (R) was 1.2. Levosulpiride injections appeared to be well tolerated by the subjects, and can be used for successive administration.
机译:这项研究的主要目的是评估单次和多次肌内注射后左旋硫必利在人体内的药代动力学。 6名男性和6名女性连续5天每25小时接受一次25 mg或50 mg左旋磺必利的多剂量治疗,或每25小时多次服用25 mg的左旋磺酰脲。在单个25 mg研究中,平均血浆峰值浓度(Cmax)为441 ng / mL,浓度-时间曲线下从0到36 h(AUC0–36)的平均面积为1724 ng h / mL,平均值消除半衰期(t1 / 2)为7.0小时。在单个50 mg研究中,平均Cmax为823 ng / mL,平均AUC0–36为3748 ng·h / mL,平均t1 / 2为6.8 h。多次服用25 mg左旋硫脲后,平均血浆浓度(Cav)为136 ng / mL,波动指数(DF)为3.60,累积比(R)为1.2。左磺舒必利注射液似乎对受试者具有良好的耐受性,可用于后续给药。

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