Journal of pharmaceutical sciences最新文献

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In memory of Professor William I. Higuchi (1931–2024) 纪念通口威廉教授（1931-2024）。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103926

Bradley D. Anderson , Daniel J.A. Crommelin , James N. Herron

引用次数: 0

Temperature-dependent colloidal behavior of polymer-stabilized gold nanoparticles 聚合物稳定金纳米颗粒的温度依赖性胶体行为。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.104060

Amit K. Barui , Tori Leyba , Rachel Edwards , Lia A. Stanciu

Polymer-based composites, like polystyrene-gold nanoparticles (PS-AuNPs) are widely used in pharmaceutical and biomedical applications including targeted drug delivery, imaging, biosensing, and photothermal due to their combined plasmonic and structural properties. However, processing conditions significantly influence their structural and functional properties. This study investigates the effects of synthesis temperature on the stability and resuspension behavior of PS-AuNPs, focusing on a range of 78–90 °C. At temperatures below 84 °C, PS-AuNPs maintain stability, forming well-defined pellets after centrifugation and resuspending efficiently. At 86 °C, a coating over the gold nanoparticles was observed via transmission electron microscopy (TEM), which was attributed to the partial softening of polystyrene because of approaching its glass transition temperature regime of around 90 °C. This structural degradation reduced the resuspension efficiency and increased aggregation in high ionic strength environments. Salt aggregation tests showed significant nanoparticle instability at higher synthesis temperatures, as shown by the visible aggregation and sedimentation of the particles in the presence of NaCl.

聚合物基复合材料，如聚苯乙烯-金纳米颗粒（PS-AuNPs），由于其结合的等离子体和结构特性，广泛应用于制药和生物医学应用，包括靶向药物输送、成像、生物传感和光热。然而，加工条件对其结构和功能性能有显著影响。本研究研究了合成温度对PS-AuNPs稳定性和再悬浮行为的影响，重点研究了合成温度在78-90°C的范围内。在低于84°C的温度下，PS-AuNPs保持稳定性，在离心和重悬后形成明确的颗粒。在86°C时，通过透射电子显微镜（TEM）观察到金纳米颗粒上有一层涂层，这是由于聚苯乙烯的部分软化，因为它接近90°C左右的玻璃化转变温度。这种结构降解降低了再悬浮效率，增加了高离子强度环境中的聚集。盐聚集试验表明，在较高的合成温度下，纳米颗粒具有明显的不稳定性，如在NaCl存在下粒子的聚集和沉降所示。

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引用次数: 0

Pediatric off-label use and nonadherence management for nadolol: A mechanistic PBPK model incorporating ontogeny scaling from interracial adults to children 纳多洛尔的儿科超说明书使用和不依从性管理：一个包含跨种族成人到儿童个体发育尺度的PBPK机制模型。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103707

Xiang Chen , Guo Yu , Guangji Wang , Guo-Fu Li

Nadolol has demonstrated its superior efficacy over other β-blockers in the treatment of specific cardiovascular diseases in children. The clinical development of nadolol for pediatric use was prioritized by Chinese healthcare authorities in May 2023 while there was a lack of clear medication instructions for children. To expedite the pediatric development of nadolol and provide insights into its off-label applications, we developed a physiologically based pharmacokinetic model incorporating mechanistic disposition knowledge. This model integrates key processes of nadolol including P-glycoprotein (P-gp) transporter mediated the absorption of efflux, multidrug and toxin extrusion protein (MATE) 1 transporter and organic cation (OCT) 2 transporter mediated active renal excretion, organic anion transporting polypeptide (OATP) 1A2 mediated transport, along with biliary excretion. The model accurately captured the pharmacokinetic profiles of nadolol in both Western and East Asian populations following a wide dose range (2–160 mg), including the plasma concentration, urine excretion, and drug-drug interactions with the P-gp inhibitor. After our good validation on interracial adult populations, simulations of nadolol pharmacokinetic profiles in the Chinese population were performed by adjusting the liver volume of the Chinese to 0.9 of the Japanese population. Then, with the consideration of physiological changes and plasma protein ontogeny in pediatrics, the nadolol model for pediatrics was also well-verified on several children aged 3 months to 121 months. Accordingly, specific optimal dosages for children across various ages and racial backgrounds with or without obesity were offered by exposure matching with adults. Multiple remedial regimen simulations were also compared to obtain the best nonadherence management in the case of missed dosages, in which resuming a regular dose as soon as possible was the most recommended.

纳多洛尔在治疗儿童特定心血管疾病方面已证明其优于其他β受体阻滞剂的疗效。在缺乏明确的儿童用药说明的情况下，中国卫生主管部门于2023年5月优先考虑了纳多洛尔的临床开发。为了加快纳多洛尔的儿科开发，并深入了解其标签外应用，我们开发了一个基于生理学的药代动力学模型，并结合了机制处置知识。该模型整合了纳多洛尔的关键过程，包括p -糖蛋白（P-gp）转运体介导的外排吸收、多药物和毒素挤出蛋白（MATE） 1转运体和有机阳离子（OCT） 2转运体介导的主动肾排泄、有机阴离子转运多肽（OATP） 1A2介导的转运以及胆道排泄。该模型准确地捕获了纳多洛尔在西方和东亚人群中较宽剂量范围（2-160 mg）的药代动力学特征，包括血浆浓度、尿排泄以及与P-gp抑制剂的药物-药物相互作用。在我们对不同种族的成人人群进行了良好的验证后，通过将中国人的肝脏体积调整为日本人的0.9，模拟了纳多洛尔在中国人群中的药代动力学特征。然后，考虑到儿科生理变化和血浆蛋白的个体发生，儿科纳多洛尔模型也在几个3 ~ 121月龄的儿童身上得到了很好的验证。因此，通过与成人的暴露匹配，为不同年龄和种族背景的儿童提供了特定的最佳剂量，无论是否肥胖。多种治疗方案模拟也进行了比较，以获得在错过剂量的情况下的最佳不依从管理，其中最建议尽快恢复常规剂量。

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引用次数: 0

A self-assembled nanocomplex from starch-protein- fatty acid: Thermodynamics of self-assembly 淀粉-蛋白质-脂肪酸自组装纳米复合物：自组装热力学。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.104018

Deepak Bhopatkar , Bruce R. Hamaker , Nawel Khalef , Aziz Bakri , Osvaldo H. Campanella

A self-assembling, nanoscale complex formed from common biological molecules, starch, proteins, and fatty acids, was previously reported by our group. While the formation of this nanocomplex has been confirmed using various analytical techniques, its thermodynamic distinctiveness compared to conventional nano-emulsion systems has not yet been explored. This study aims to provide a physicochemical understanding of the self-assembly process by evaluating changes in thermodynamic properties, enthalpy, entropy, and the Gibbs free energy during complex formation. Interactions among these biological molecules, mixed in specific ratios, were monitored using modulated differential scanning calorimetry (MDSC). Changes in the reversing heat capacity during the initial cooling cycle were used to calculate the entropic and the Gibbs free energy changes associated with self-assembly. Applying classical equilibrium thermodynamics, it was demonstrated that the presence of protein thermodynamically favored the formation of a higher-order nanostructure, distinguishing it from typical emulsion systems. Moreover, this structure is more stable than binary complexes such as amylose–fatty acid and protein–fatty acid assemblies. Our findings provide compelling evidence that these self-assembling nanoscale complexes are not only chemically viable but also thermodynamically favored and stable.

我们小组之前报道了一种自组装的纳米级复合物，它由常见的生物分子、淀粉、蛋白质和脂肪酸组成。虽然这种纳米复合物的形成已经通过各种分析技术得到证实，但与传统纳米乳液体系相比，其热力学特性尚未得到探讨。本研究旨在通过评估复合物形成过程中热力学性质、焓、熵和吉布斯自由能的变化，提供自组装过程的物理化学理解。这些生物分子之间的相互作用，混合在特定的比例，监测使用调制差示扫描量热法（MDSC）。利用初始冷却循环中可逆热容的变化来计算自组装过程中的熵和吉布斯自由能变化。应用经典平衡热力学，证明了蛋白质的存在有利于形成高阶纳米结构，使其与典型的乳状体系区别。此外，这种结构比二元配合物更稳定，如直链淀粉-脂肪酸和蛋白质-脂肪酸组合。我们的发现提供了令人信服的证据，证明这些自组装的纳米级复合物不仅在化学上可行，而且在热力学上有利和稳定。

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引用次数: 0

Investigating the effect of solvent polarity environment differences in electrolyte and non-electrolyte systems 研究了电解质和非电解质体系中溶剂极性环境差异的影响。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.104044

Valeria Briceida Tellez-Gallego, Kate Sorg, Rodolfo Pinal

To address the knowledge gap regarding the polarity of excipient solutions and the impact on biologically relevant systems, a comprehensive exploration of the polarity of solutions is essential. This study explores the solvatochromic response of Reichardt’s dye to solvent polarity in aqueous solutions, focusing on structurally similar electrolytes and non-electrolytes at concentrations typically used in pharmaceutical formulations. UV absorbance measurements demonstrated sensitivity to subtle structural differences, such as counterion variations or glycosidic bonds. Here, chloride salts and disaccharides were analyzed and notable polarity differences between similar systems were found. Additionally, unexpected similarities between sodium chloride and trehalose were observed. This investigation underscores the potential of readily accessible solvent polarity and solvatochromic studies to deepen the understanding of aqueous solutions and extend their application to pharmaceutical excipients and their roles in protein formulation.

为了解决关于赋形剂溶液极性和对生物相关系统的影响的知识差距，对溶液极性的全面探索是必不可少的。本研究探讨了Reichardt染料在水溶液中对溶剂极性的溶剂变色反应，重点关注结构相似的电解质和药物配方中通常使用浓度的非电解质。紫外吸收测量显示了对细微结构差异的敏感性，如反离子变化或糖苷键。本文对氯盐和双糖进行了分析，发现相似体系之间存在显著的极性差异。此外，观察到氯化钠和海藻糖之间意想不到的相似性。这项研究强调了易于获得的溶剂极性和溶剂致变色研究的潜力，以加深对水溶液的理解，并将其应用于药用辅料及其在蛋白质配方中的作用。

引用次数: 0

An integrated material-sparing method for determining dilution potential of direct compression tablet fillers 一种测定直接压缩片剂稀释势的综合省料方法。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.104061

Weeraya Tharanon , Yiwang Guo , Jomjai Peerapattana , Changquan Calvin Sun

An ideal filler for direct compression (DC) formulation requires both good flowability and compactibility. To ensure consistent tablet quality across various APIs and API loadings, as well as successful manufacturability, it is essential to understand the “dilution potential” of any DC tablet filler. In this study, an integrated material-sparing laboratory-scale method was developed to evaluate the dilution potential of a co-processed glutinous rice starch (CP-GRS) using two grades of acetaminophen (APAP) and ibuprofen (IBN) as model drugs. This method considers three criteria pertaining to tablet performance and manufacturability: (1) <1 % weight loss for the friability, (2) a disintegration time (DT) of <15 min, and (3) superior flowability compared to microcrystalline cellulose (Avicel® PH102). The maximum drug loading at the appropriate critical pressure (P_c) was determined, indicating the dilution potential. The results showed that granular APAP (gAPAP) could be loaded up to 34 % in CP-GRS at a compaction pressure of ∼240 MPa, fine APAP achieved a loading of 20 % in the range of 143–288 MPa, and IBN reached a maximum API loading of 40 % within the 115–150 MPa range. This integrated method, by minimizing material consumption, can also be applied to enable efficient DC formulation development of an API of interest during an early drug development phase.

直接压缩（DC）配方的理想填料要求具有良好的流动性和致密性。为了确保不同API和API负载的片剂质量一致，以及成功的可制造性，了解任何直流片剂填料的“稀释潜力”至关重要。本研究以对乙酰氨基酚（APAP）和布洛芬（IBN）为模型药物，建立了一种节省材料的综合实验室规模方法来评估共加工糯米淀粉（CP-GRS）的稀释潜力。该方法考虑了与片剂性能和可生产性有关的三个标准：(1)c)已确定，表明稀释潜力。结果表明，颗粒状APAP （gAPAP）在约240 MPa的压实压力下可在CP-GRS中加载34%，细粒APAP在143 ~ 288 MPa范围内加载20%，IBN在115 ~ 150 MPa范围内最大加载40%。这种集成的方法，通过减少材料消耗，也可以应用于在药物开发的早期阶段有效地开发感兴趣的原料药的直流配方。

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引用次数: 0

Response with statistical assessment to “Thermodynamic analysis of synergistic effect of cyclodextrins and electrolytes on the solubility of aromatic amino acids” 对“环糊精和电解质协同作用对芳香氨基酸溶解度的热力学分析”的统计评价响应。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103763

Masakazu Fukuda, Kanako Takahashi, Toru Takarada, Shunsuke Saito, Masafumi Tanaka

引用次数: 0

Development of an excipient polarity screening tool for protein formulations via solvatochromism 一种用于蛋白质配方溶剂变色的赋形剂极性筛选工具的开发。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103950

Valeria B. Tellez-Gallego, Rodolfo Pinal

This investigation explored the use of solvatochromism to develop a novel polarity screening classification tool for assessing the polarity environment of key excipients (buffers, amino acids, sugars, and salts) commonly used in protein formulation development. The polarity screening classification tool was developed using multivariate analysis, principal component analysis, and K-means clustering algorithms based on the ultraviolet (UV) absorbance (235 – 335 nm) of a solvatochromic probe in aqueous excipient solutions. Thereafter, protein functionality was assessed, and the results were correlated with the polarity profiles generated by the classification tool. The underlying hypothesis was that similar polarity environments would yield comparable protein functionalities; while differing environments would result in greater protein functional variation. This approach effectively captured how differences in the polarity of commonly used protein formulation excipients correlated with functionality results for model proteins such as alcohol dehydrogenase, polyphenol oxidase, and β-galactosidase. Results underscore the sensitivity of the solvatochromic approach in detecting polarity variations that extend beyond conventional excipient chemical group classifications (e.g., salts, sugars, amino acids, and buffers) while revealing unique molecular properties in aqueous solutions that could alter protein functionality. Thus, this study contributes to the understanding of the role of excipients and their polarity in protein formulations and positions solvatochromism as an effective method to rationalize early preclinical excipient selection towards streamlining protein formulation development.

本研究探索了使用溶剂化变色来开发一种新的极性筛选分类工具，用于评估蛋白质配方开发中常用的关键辅料（缓冲液、氨基酸、糖和盐）的极性环境。基于溶剂致色探针在赋形剂水溶液中的紫外吸光度（235 - 335 nm），利用多元分析、主成分分析和K-means聚类算法开发了极性筛选分类工具。然后，对蛋白质功能进行评估，并将结果与分类工具生成的极性分布相关联。潜在的假设是，相似的极性环境会产生相似的蛋白质功能；而不同的环境会导致更大的蛋白质功能变异。这种方法有效地捕获了常用的蛋白质配方辅料的极性差异如何与模型蛋白质（如醇脱氢酶、多酚氧化酶和β-半乳糖苷酶）的功能结果相关。结果强调了溶剂致变色方法在检测极性变化方面的敏感性，这些变化超出了传统的赋形剂化学分类（例如，盐、糖、氨基酸和缓冲液），同时揭示了水溶液中可能改变蛋白质功能的独特分子性质。因此，本研究有助于理解辅料及其极性在蛋白质配方中的作用，并将溶剂化变色作为一种有效的方法，使早期临床前辅料选择合理化，从而简化蛋白质配方的开发。

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引用次数: 0

Corrigendum to “Evaluation of Mechanical Properties of TiO2-free Tablet Coatings” [Journal of Pharmaceutical Sciences/ Volume 114, Issue 10, 10 2025, 103942] “评价无二氧化钛片剂包膜的机械性能”的勘误表[医药科学杂志/ 114卷，第10期，10 2025年，103942]。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103970

Mohammad Khalid , Viplav K. Bhondekar , Krishnayan Haldar , Mahesh S. Tirumkudulu , Kenneth S. Ogueri , Alfred Berchielli , Geoff McKee , Pankaj Doshi

引用次数: 0

Vitamin C reduces gastric pH in pharmacologically induced hypochlorhydria: A potential approach for mitigating pH-dependent drug-drug interactions of weak-base drugs 维生素C在药理学诱导的次氯酸中降低胃pH值：一种减轻弱碱药物的pH依赖性药物-药物相互作用的潜在方法。

IF 3.8 3区医学 Q2 CHEMISTRY, MEDICINAL

Journal of pharmaceutical sciences

Pub Date : 2025-12-01 DOI: 10.1016/j.xphs.2025.103809

Hala M. Fadda , Andrea Shin , Mohammed Rayyan Waseem , Michael Camilleri

Orally administered, poorly soluble, weak-base drugs are subject to gastric pH-dependent drug-drug interactions which can be clinically significant. Proton pump inhibitors (PPIs) have been shown to reduce the bioavailability of kinase inhibitors, antivirals and triazole antifungals, through elevation of gastric pH. The objective of this study was to determine if chewable ascorbic acid (AA) tablets can induce a transient reduction in gastric pH. Healthy volunteers were pretreated with 20 mg omeprazole to induce hypochlorhydria. On the study day, gastric pH was continuously monitored using a catheter-based pH monitoring system. A pH electrode was transnasally placed in the stomach fundus and pH data was collected in real time. 1000 mg AA chewable tablets were ingested by the study participants with 240 mL of water. In five out of six subjects, a significant drop in gastric pH was observed. A mean (± SD) drop in pH of 3.7 (± 1.8) upon AA intake was observed and time taken to reach lowest gastric pH was 91.2 (± 64) min. Area under the pH versus time curve (AUC_pH), below median pH over 15 min duration before AA intake, was determined to be 186.8 ± 136.7 (ΔpH.min). This pilot study demonstrates that 1000 mg of AA tablets can significantly reduce gastric pH in individuals receiving treatment with PPIs, providing a potential approach for mitigating pH-dependent drug-drug interactions of weak-base drugs.

口服，难溶，弱碱药物受胃ph依赖的药物-药物相互作用，这可能具有临床意义。质子泵抑制剂（PPIs）已被证明可以通过升高胃ph来降低激酶抑制剂、抗病毒药物和三唑类抗真菌药物的生物利用度。本研究的目的是确定咀嚼抗坏血酸（AA）片是否可以诱导胃ph的短暂降低。健康志愿者用20mg奥美拉唑预处理以诱导次氯酸。在研究当天，使用基于导管的pH监测系统连续监测胃pH。经鼻将pH电极置于胃底，实时收集pH值数据。研究参与者用240毫升水吞下1000毫克AA咀嚼片。在6名受试者中，有5名观察到胃pH值显著下降。摄入AA后，pH值平均（±SD）下降3.7（±1.8），达到最低胃pH值所需的时间为91.2（±64）分钟。摄入AA前15分钟内pH值低于中位数的时间曲线下面积（AUCpH）为86.8±136.7 （ΔpH.min）。本初步研究表明，1000 mg AA片可显著降低PPIs治疗个体的胃pH值，为减轻弱碱药物的pH依赖性药物-药物相互作用提供了一种潜在的途径。

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