以 PBPK 模型为指导,对接受口服美沙酮治疗的产妇经胎盘移植后新生儿的美沙酮毒性进行唾液治疗监测

IF 3.1 Q2 TOXICOLOGY
Mo'tasem M. Alsmadi
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引用次数: 0

摘要

怀孕期间阿片类药物使用障碍(OUD)与新生儿阿片类药物戒断综合征(NOWS)有关。用于治疗OUD和NOWS的R、s -美沙酮可以穿透胎盘。高新生儿脑细胞外液(bECF)水平R, s -美沙酮可引起新生儿呼吸抑制。本研究的目的是评估新生儿bECF和唾液水平,以确定母亲口服给药后新生儿R、s -美沙酮唾液阈值对呼吸抑制的影响,尽管在妊娠和新生儿人群中数据较少。建立了R, s -美沙酮静脉和口服给药后的成人生理药代动力学(PBPK)模型,并对其进行了审查,并按比例扩展到新生儿和妊娠人群。妊娠模型预测经胎盘转移给新生儿的r -美沙酮和s -美沙酮剂量。然后,使用新生儿PBPK模型来估计这些剂量后的新生儿暴露。母亲口服R, s -美沙酮(43.8 mg/d)后,新生儿血浆水平低于呼吸抑制阈值。此外,bECF水平高于镇痛阈值的时间超过96小时。本文估计R-美沙酮、s -美沙酮和R, s -美沙酮的镇痛作用的唾液阈值分别为1.7、43和16 ng/mL。此外,R-美沙酮和R, s -美沙酮的呼吸抑制唾液阈值分别为58和173 ng/mL。使用新生儿唾液监测美沙酮可用于确保产妇OUD治疗期间新生儿的安全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Salivary therapeutic monitoring of methadone toxicity in neonates after transplacental transfer from parturient mothers treated with oral methadone guided by PBPK modeling

Salivary therapeutic monitoring of methadone toxicity in neonates after transplacental transfer from parturient mothers treated with oral methadone guided by PBPK modeling

Opioid use disorders (OUD) during pregnancy are related to neonatal opioid withdrawal syndrome (NOWS). R,S-methadone used to treat OUD and NOWS can penetrate the placenta. High neonatal brain extracellular fluid (bECF) levels of R,S-methadone can induce respiratory depression in newborns. The purpose of this work was to estimate neonatal bECF and saliva levels to establish the neonatal R,S-methadone salivary thresholds for respiratory depression after maternal oral dosing despite the sparse data in pregnancy and newborn populations. An adult physiologically-based pharmacokinetic (PBPK) model for R,S-methadone after intravenous and oral administration was constructed, vetted, and scaled to newborn and pregnancy populations. The pregnancy model predicted the R-methadone and S-methadone doses transplacentally transferred to newborns. Then, the newborn PBPK model was used to estimate newborn exposure after such doses. After maternal oral dosing of R,S-methadone (43.8 mg/day), the neonatal plasma levels were below the respiratory depression threshold. Further, the bECF levels were above the analgesia threshold for more than 96 h. The salivary thresholds for the analgesic effects of R-methadone, S-methadone, and R,S-methadone were estimated herein at 1.7, 43, and 16 ng/mL, respectively. Moreover, the salivary thresholds for the respiratory depression of R-methadone and R,S-methadone were estimated at 58 and 173 ng/mL, respectively. Using neonatal salivary monitoring of methadone can be useful in ensuring newborns' safety during maternal OUD treatment.

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来源期刊
Computational Toxicology
Computational Toxicology Computer Science-Computer Science Applications
CiteScore
5.50
自引率
0.00%
发文量
53
审稿时长
56 days
期刊介绍: Computational Toxicology is an international journal publishing computational approaches that assist in the toxicological evaluation of new and existing chemical substances assisting in their safety assessment. -All effects relating to human health and environmental toxicity and fate -Prediction of toxicity, metabolism, fate and physico-chemical properties -The development of models from read-across, (Q)SARs, PBPK, QIVIVE, Multi-Scale Models -Big Data in toxicology: integration, management, analysis -Implementation of models through AOPs, IATA, TTC -Regulatory acceptance of models: evaluation, verification and validation -From metals, to small organic molecules to nanoparticles -Pharmaceuticals, pesticides, foods, cosmetics, fine chemicals -Bringing together the views of industry, regulators, academia, NGOs
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