期刊
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
卷 30, 期 11, 页码 1288-1292出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14767058.2016.1211634
关键词
Ex vivo human placenta perfusion model; influenza; oseltamivir phosphate; pregnancy; transplacental transfer
资金
- National Natural Science Foundation of China [81360108]
- Union Specific Foundation of Yunnan Province Technology Department
- Kunming Medical University [2013FB139]
- Health & technology projects of Yunnan Province [2014NS189]
Objective: The objective of the study was to determine transplacental of oseltamivir phosphate (OP) and its active metabolite oseltamivir carboxylate (OC) using the ex vivo human placental perfusion model in Chinese Hans population. Study design: Perfusion studies were performed on 20 placentas from healthy term pregnancies. Concentrations typical for 75 mg, twice-daily oral dose were tested (OP 65.2 ng/ml and OC 348 ng/ml), along with the positive control antipyrine 0.1 mg/ml. Each perfusion experiment was conducted for 180 min while samples were taken from both maternal and fetal compartments. Concentrations of OP and its metabolite OC were determined by ultrafast-performance liquid chromatography/tandem mass spectrometry. Integrity and viability of the placenta were determined by measuring fetal volume loss, pH, pO(2), hCG, glucose consumption and lactate production during the perfusion experiments. Results: Following 3h of perfusion, the fetal transfer rates of OP and its metabolite OC were 12.39% +/- 3.26%, 10.17% +/- 2.03%, respectively. The clearance indexes of OP and OC were 0.36 +/- 0.11 and 0.29 +/- 0.06, respectively. Conclusion: These data suggest that OP and its metabolite OC pass through the healthy term placenta at a small amount according to the ex vivo human placental perfusion model, fetal exposure must be considered when treating pregnant women with OP.
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