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The Neoteric Paradigm of Biomolecule-Functionalized Albumin-Based Targeted Cancer Therapeutics 基于生物分子功能化白蛋白的癌症靶向治疗新范例。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1208/s12249-024-02977-6
Swati Gunjkar, Ujala Gupta, Rahul Nair, Priti Paul, Mayur Aalhate, Srushti Mahajan, Indrani Maji, Manish K. Chourasia, Santosh Kumar Guru, Pankaj Kumar Singh

Albumin is a nature-derived, versatile protein carrier, that has been explored extensively by researchers for anticancer drug delivery due to its role in enhancing drug stability, solubility, circulation time, targeting capabilities, and overall therapeutic efficacy. Albumin nanoparticles possess inherent biocompatibility, biodegradability, and passive tumor-targeting ability due to the enhanced permeability and retention effect. However, non-specific accumulation of cytotoxic agents in healthy tissues remains a challenge. In this paper, the functionalization of albumin nanoparticles using various biomolecules including antibodies, nucleic acids, proteins and peptides, vitamins, chondroitin sulfate, hyaluronic acid, and lactobionic acid have been discussed which enables specific recognition and binding to cancer cells. Furthermore, we highlight the supremacy of such a targeted approach in tumor-specific drug delivery, minimization of off-target effects, potential improvement in therapeutic efficacy, cellular internalization, reduced side effects, and better clinical outcomes. This review centers on how they have revolutionized the field of biomedical research and tuned into an excellent targeted approach. In conclusion, this review highlights in detail the role of albumin as a nanocarrier for tumor-targeted delivery using biomolecules as ligands.

Graphical Abstract

白蛋白是一种来源于自然界的多功能蛋白质载体,由于其在增强药物稳定性、溶解性、循环时间、靶向能力和整体疗效方面的作用,研究人员在抗癌药物递送方面进行了广泛的探索。白蛋白纳米粒子具有固有的生物相容性、生物可降解性以及因渗透性和滞留效应增强而产生的被动肿瘤靶向能力。然而,细胞毒剂在健康组织中的非特异性蓄积仍然是一个挑战。本文讨论了利用各种生物大分子(包括抗体、核酸、蛋白质和肽、维生素、硫酸软骨素、透明质酸和乳糖酸)对白蛋白纳米颗粒进行功能化,从而实现对癌细胞的特异性识别和结合。此外,我们还强调了这种靶向方法在肿瘤特异性给药、最大限度地减少脱靶效应、潜在的疗效改善、细胞内化、减少副作用和更好的临床效果等方面的优越性。本综述的中心内容是它们如何彻底改变了生物医学研究领域,并调整为一种出色的靶向方法。总之,本综述详细强调了白蛋白作为一种纳米载体,以生物分子为配体进行肿瘤靶向递送的作用。
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引用次数: 0
Magnesium Stearate Fatty Acid Composition, Lubrication Performance and Tablet Properties 硬脂酸镁脂肪酸组成、润滑性能和片剂性能。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1208/s12249-024-02980-x
Natalia Veronica, Paul Wan Sia Heng, Celine Valeria Liew

Magnesium stearate (MgSt) is a common tablet lubricant. As variations in MgSt properties are known to influence tablet attributes, the impact of MgSt fatty acid composition, particularly the significance of the stearate and palmitate contents, and its effects on tablet properties warrant further investigation. This study investigated the effect of MgSt with different stearate and palmitate contents but comparable physical properties (e.g. particle size, crystallinity, specific surface area and morphology) on lubrication performance and resulting tablet quality attributes, including mechanical strength, disintegratability and drug release. The influence of MgSt concentration and blending duration on the resulting tablet properties was also examined. Tablets produced using the lower stearate content MgSt had slightly higher tensile strength. The effect of MgSt stearate content was more apparent in the disintegration time and drug release, whereby MgSt of lower stearate content resulted in tablets with longer disintegration time and slower drug release. The lower stearate content also resulted in a lower lubrication performance, leading to a lesser reduction in tablet ejection force. As expected, a longer blending time of the tablet formulation blend with MgSt yielded tablets with reduced tensile strength, shorter disintegration time and slower drug release. Tablets with higher MgSt concentration showed a greater reduction in tensile strength, longer disintegration time and faster drug release. The study findings reinforced observations by other researchers and provided a better understanding of the fatty acid composition effects of MgSt on lubrication performance and the resulting tablet properties.

Graphical Abstract

硬脂酸镁(MgSt)是一种常见的片剂润滑剂。众所周知,硬脂酸镁特性的变化会影响片剂属性,因此有必要进一步研究硬脂酸镁脂肪酸组成的影响,特别是硬脂酸和棕榈酸酯含量的重要性及其对片剂特性的影响。本研究调查了硬脂酸盐和棕榈酸盐含量不同但物理性质(如粒度、结晶度、比表面积和形态)相当的 MgSt 对润滑性能和由此产生的片剂质量属性(包括机械强度、崩解性和药物释放)的影响。此外,还研究了 MgSt 浓度和混合时间对片剂性能的影响。使用硬脂酸镁含量较低的硬脂酸镁生产的片剂拉伸强度略高。硬脂酸镁含量对崩解时间和药物释放的影响更为明显,硬脂酸镁含量较低的片剂崩解时间较长,药物释放较慢。硬脂酸镁含量越低,润滑性能越差,导致药片弹射力降低。正如预期的那样,片剂配方与硬脂酸镁的混合时间越长,片剂的拉伸强度越低,崩解时间越短,药物释放越慢。MgSt 浓度较高的片剂抗张强度降低幅度更大,崩解时间更长,药物释放更快。研究结果加强了其他研究人员的观察结果,使人们更好地了解了 MgSt 脂肪酸成分对润滑性能和由此产生的片剂特性的影响。
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引用次数: 0
Vesicular Carriers for Improved Oral Anticoagulation Competence of Rivaroxaban: In Vitro and In Vivo Investigation 提高利伐沙班口服抗凝能力的囊状载体:体外和体内研究
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1208/s12249-024-02962-z
Samar H. Faheim, Gamal M. El Maghraby, Amal A. Sultan

Rivaroxaban is an anticoagulant for avoidance and therapy of thromboembolic disorders. Unfortunately, oral bioavailability of rivaroxaban is compromised with dose increments. Accordingly, the aim was to test nano-vesicular lipid systems for improved oral anticoagulation activity of rivaroxaban. Rivaroxaban loaded niosomes, bilosomes and spanlastic formulations were prepared. The prepared systems were assessed in terms of particle size, zeta potential, transition electron microscopic features (TEM), entrapment efficiency, in-vitro drug release, and in-vivo anticoagulation performance in rats. The prepared vesicular systems exposed spherical negatively charged vesicles with mean particle size values between 136.6 nm to 387.9 nm depending on the composition. Rivaroxaban was efficiently entrapped in the vesicular systems with entrapment efficiency values ranging from 92.4% to 94.0%. Rivaroxaban underwent sustained release from the fabricated vesicular systems. The in vivo performance of the tested preparation revealed significant enhancement of the anticoagulation parameters. This was manifested from the prolonged clotting time, and prothrombin time. Moreover, the cut tails of the examined rats receiving the formulated nano-systems exposed a lengthy tail bleeding time compared to those receiving the un-processed rivaroxaban aqueous dispersion. In Conclusion, niosomes, bilosomes and spanlastic nano-dispersions have a potential to overwhelm the oral anticoagulation efficiency of rivaroxaban with spanlastic ranked as best.

Graphical Abstract

利伐沙班是一种抗凝剂,用于避免和治疗血栓栓塞性疾病。遗憾的是,随着剂量的增加,利伐沙班的口服生物利用度会受到影响。因此,我们的目的是测试纳米囊脂质系统,以提高利伐沙班的口服抗凝活性。研究人员制备了利伐沙班负载的niosomes、bilosomes和spanlastic制剂。对所制备的系统进行了粒度、ZETA电位、过渡电子显微镜特征(TEM)、夹持效率、体外药物释放和大鼠体内抗凝性能等方面的评估。所制备的囊泡系统呈带负电荷的球形囊泡,平均粒径在 136.6 纳米到 387.9 纳米之间,具体取决于成分。利伐沙班被有效地夹持在囊泡系统中,夹持效率值在 92.4% 到 94.0% 之间。利伐沙班可从制成的囊泡系统中持续释放。测试制剂的体内性能表明,抗凝参数显著提高。这表现在凝血时间和凝血酶原时间的延长上。此外,与接受未经加工的利伐沙班水分散体的大鼠相比,接受配制的纳米系统的大鼠切尾出血时间较长。总之,niosomes、bilosomes 和 spanlastic 纳米分散体有可能提高利伐沙班的口服抗凝效率,其中 spanlastic 的效果最好。
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引用次数: 0
Correction: Investigations on the Impacts of Drugs or Excipients with Different Physicochemical and Compaction Properties on the Disintegration Behavior of Kollidon®SR-Based Binary Controlled Release Matrix Tablets 更正:基于 Kollidon®SR 的二元控释基质片剂的崩解行为:不同理化性质和压实性质的药物或辅料的影响研究。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-05 DOI: 10.1208/s12249-024-02981-w
Wasfy M. Obeidat, Shadi F. Gharaibeh
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引用次数: 0
Formononetin-Loaded Self-Microemulsion Drug Delivery Systems for Improved Solubility and Oral Bioavailability: Fabrication, Characterization, In Vitro and In Vivo Evaluation 提高溶解度和口服生物利用度的福莫西汀负载型自微乳化给药系统:制造、表征、体外和体内评估。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1208/s12249-024-02975-8
Zhihui Zou, Yuanyuan Xue, Michael Adu-Frimpong, ChengWei Wang, Zhou Jin, Ying Xu, Jiangnan Yu, Ximing Xu, Yuan Zhu

This study aimed to construct a self-microemulsion drug delivery system (SMEDDS) for Formononetin (FMN) to improve its solubility and bioavailability while combining the nanocrystals (NCs) technology. The SMEDDS prescription composition was optimized with a pseudo-three-phase diagram, followed by a series of in vitro and in vivo evaluations of the selected optimal prescriptions. FMN-NCs loaded SMEDDS showed a homogeneous spherical shape in the Transmission electron microscope and the particle size was measured as (20.65 ± 1.42) nm. The in vitro cumulative release rate in each dissolution medium within 30 min was higher than 80%, much higher than that of FMN (6%) and FMN-NCs (40%); Cellular experiments confirm that the formulation has a high safety profile and significantly promotes cellular uptake. The results of pharmacokinetics and intestinal absorption in rats showed that the relative bioavailability of FMN-NCs and FMN-NCs loaded SMEDDS were (154.80 ± 3.76)% and (557.73 ± 32.88)%, respectively, and both of them significantly increased the rate and extent of absorption of the drug in intestinal segments. FMN-NCs loaded SMEDDS significantly enhanced the solubility and bioavailability of FMN.

Graphical Abstract

本研究旨在构建福莫西汀(FMN)的自微乳给药系统(SMEDDS),以提高其溶解度和生物利用度,同时结合纳米晶体(NCs)技术。通过伪三相图优化了 SMEDDS 的处方组成,随后对选定的最佳处方进行了一系列体外和体内评估。在透射电子显微镜下,负载 FMN-NCs 的 SMEDDS 呈均匀球形,粒径为(20.65 ± 1.42)纳米。30分钟内在各溶解介质中的体外累积释放率均高于80%,远高于FMN(6%)和FMN-NCs(40%);细胞实验证实该制剂具有较高的安全性,并能显著促进细胞吸收。大鼠的药代动力学和肠道吸收结果表明,FMN-NCs 和 FMN-NCs 负载 SMEDDS 的相对生物利用度分别为(154.80 ± 3.76)% 和(557.73 ± 32.88)%,两者都能显著提高药物在肠段的吸收率和吸收程度。FMN-NCs 负载 SMEDDS 能显著提高 FMN 的溶解度和生物利用度。
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引用次数: 0
Technological Strategies Applied to Pharmaceutical Systems for Intranasal Administration of Drugs Intended for Neurological Treatments: A Review 应用于神经系统治疗药物鼻内给药制药系统的技术策略:综述。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1208/s12249-024-02974-9
Maria Vitoria Gouveia Botan, Jéssica Bassi da Silva, Marcos Luciano Bruschi

The complexity of treating neurological diseases has meant that new strategies have had to be developed to deliver drugs to the brain more efficiently and safely. Intranasal drug delivery is characterized by its ease of administration, safety, and rapid delivery directly from the nose to the brain. Several strategies have been developed to improve the delivery of drugs to the brain via nasal administration. These include the use of mucoadhesive and thermoresponsive polymers and their combination into polymer blends, as well as the use of liposomes, niosomes, and nano- and microemulsions. Therefore, this review focuses on technologies for developing pharmaceutical systems aimed at delivery via the nose to the brain, contributing to new treatments for difficult neurological disorders. Some of the most common and difficult-to-treat neurological conditions, the intranasal route of administration, and the anatomy of the nasal cavity have been discussed, as well as factors that may influence the absorption of drugs administered into the nose. The types of intranasal formulations and the devices that can be used to administer these products are also discussed in this review. Strategies for improving the transport of bioactive agents and increasing bioavailability are highlighted. The technologies discussed in this review can facilitate the development of formulations with improved properties, such as drug release and mucoadhesiveness, which have several advantages for patients requiring complex neurological treatments.

Graphical abstract

治疗神经系统疾病的复杂性意味着必须开发新的策略,以便更有效、更安全地向大脑输送药物。鼻腔内给药的特点是给药方便、安全,并能直接从鼻腔快速将药物输送到大脑。目前已开发出几种策略来改善通过鼻腔给药将药物输送到大脑的过程。这些策略包括使用粘液粘附性和热致伸缩性聚合物,将其组合成聚合物混合物,以及使用脂质体、纳米乳剂和微乳剂。因此,本综述将重点关注旨在通过鼻腔向大脑给药的药物系统开发技术,从而为治疗神经系统疑难杂症提供新疗法。文中讨论了一些最常见和最难治疗的神经系统疾病、鼻内给药途径、鼻腔解剖结构,以及可能影响鼻内给药吸收的因素。本综述还讨论了鼻内制剂的类型和用于给药的设备。本综述还重点介绍了改善生物活性药物转运和提高生物利用度的策略。本综述中讨论的技术有助于开发出药物释放和粘附性等性能更佳的制剂,这对于需要接受复杂神经系统治疗的患者来说具有诸多优势。
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引用次数: 0
Strap-on Buoyant Device to Enhance Gastrointestinal Tract Retention of Felodipine Osmotic Pump Tablets 用于增强非洛地平渗透泵片胃肠道滞留的带式浮力装置
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1208/s12249-024-02976-7
Qijia Ni, Zeru Li, Libumo Baqing, Tianfu Li, Huipeng Xu, Falan Li, Ningning Peng, Caifen Wang, Jianhua Lu, Zhigang Wang, Kai Wang, Chao Jiang, Li Wu, Ye Yang, Hua Zhou, Yongdong Gu, Jiwen Zhang

Osmotic pump systems require prolonged retention time in the stomach to provide enhanced bioavailability and regulated release, which is quite challenging. This study used a three-dimensional printing (3DP) technique combined with a gastro-retentive floating device (GRFD) to extend the retention of the osmotic pump in the stomach and enhance its bioavailability. The strap-on buoyant device was fabricated by stereolithography 3DP and incorporated a felodipine osmotic pump tablet used in clinical practice, which enabled it to float in the stomach or dissolution media without any floating lag time. The components of the device were affixed using a snap-fix mechanism. GRFD dissolution study revealed a notable in vitro floating capability, lasting over 24 h, with a release profile similarity factor f2 = 65.28 compared to the naked tablet dissolution profile. The pharmacokinetics of felodipine osmotic pump in beagles showed a Cmax of 1.893 ng/mL, which increased to 4.511 ng/mL with GRFD. The delivery of an osmotic pump with GRFD enhanced the AUC0−∞ of felodipine from 10.20 ng/mL·h to 26.54 ng/mL·h. In conclusion, the strap-on buoyant device has been successfully designed to enhance gastrointestinal tract retention of felodipine osmotic pumps and bioavailability in beagles.

Graphical Abstract

渗透泵系统需要延长在胃中的滞留时间,以提高生物利用度和调节释放,这具有相当大的挑战性。本研究采用三维打印(3DP)技术,结合胃保留浮动装置(GRFD),延长渗透泵在胃中的保留时间,提高其生物利用度。这种带式浮力装置是通过立体光刻 3DP 技术制作而成的,并结合了临床上使用的非洛地平渗透泵片剂,使其能够漂浮在胃或溶解介质中,而不会有任何漂浮滞后时间。该装置的各组件采用卡扣固定机制固定。GRFD 溶出研究表明,该装置具有显著的体外漂浮能力,可持续 24 小时以上,与裸片溶出曲线相比,其释放曲线相似系数 f2 = 65.28。小猎犬体内非洛地平渗透泵的药代动力学显示,Cmax 为 1.893 纳克/毫升,使用 GRFD 后增加到 4.511 纳克/毫升。使用 GRFD 输送渗透泵后,非洛地平的 AUC0-∞ 从 10.20 纳克/毫升-小时提高到 26.54 纳克/毫升-小时。总之,捆绑式浮力装置的设计成功提高了非洛地平渗透泵在小猎犬胃肠道的滞留率和生物利用度。
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引用次数: 0
An Overview of Film-Forming Emulsions for Dermal and Transdermal Drug Delivery 用于皮肤和经皮给药的成膜乳剂概述。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-11-01 DOI: 10.1208/s12249-024-02942-3
Aideé Morales-Becerril, Liliana Aranda-Lara, Keila Isaac-Olive, Alejandra Ramírez-Villalva, Blanca Ocampo-García, Enrique Morales-Avila

Drug delivery through the skin is a widely used therapeutic method for the treatment of local dermatologic conditions. Dermal and transdermal methods of drug delivery offer numerous advantages, but some of the most important aspects of drug absorption through the skin need to be considered. Film-forming systems (FFS) represent a new mode of sustained drug delivery that can be used to replace traditional topical formulations such as creams, ointments, pastes, or patches. They are available in various forms, including solutions, gels, and emulsions, and can be categorised as film-forming gels and film-forming emulsions. Film-forming emulsions (FFE) are designed as oil-in-water (O/W) emulsions that form a film with oil droplets encapsulated in a dry polymer matrix, thus maintaining their dispersed nature. They offer several advantages, including improved solubility, bioavailability and chemical stability of lipophilic drugs. In addition, they could improve the penetration and diffusion of drugs through the skin and enhance their absorption at the target site due to the nature of the components used in the formulation. The aim of this review is to provide an up-to-date compilation of the technologies used in film-forming emulsions to support their development and availability on the market as well as the development of new pharmaceutical forms.

Graphical Abstract

通过皮肤给药是一种广泛用于治疗局部皮肤病的治疗方法。皮肤和透皮给药方法具有许多优点,但需要考虑通过皮肤吸收药物的一些最重要的方面。成膜系统(FFS)代表了一种新的持续给药模式,可用于替代传统的外用制剂,如药膏、软膏、糊剂或贴剂。它们有多种形式,包括溶液、凝胶和乳剂,可分为成膜凝胶和成膜乳剂。成膜乳剂(FFE)设计为水包油(O/W)乳剂,它能将油滴包裹在干燥的聚合物基质中形成薄膜,从而保持油滴的分散性。它们具有多种优势,包括提高亲脂性药物的溶解度、生物利用度和化学稳定性。此外,由于制剂中所用成分的性质,它们还能改善药物在皮肤中的渗透和扩散,并增强靶点对药物的吸收。本综述旨在提供成膜乳剂所用技术的最新汇编,以支持成膜乳剂的开发、市场供应以及新药剂型的开发。
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引用次数: 0
An Adaptive Approach in Polymer-Drug Nanoparticle Engineering using Slanted Electrohydrodynamic Needles and Horizontal Spraying Planes 使用倾斜电流体动力针和水平喷洒平面的聚合物-药物纳米粒子工程适应性方法。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-10-30 DOI: 10.1208/s12249-024-02971-y
Amna Ali, Saman Zafar, Manoochehr Rasekh, Tahir Ali Chohan, Francesca Pisapia, Neenu Singh, Omar Qutachi, Muhammad Sohail Arshad, Zeeshan Ahmad

The present study focuses on the adaptive development of a key peripheral component of conventional electrohydrodynamic atomisation (EHDA) systems, namely spraying needles (also referred to as nozzles or spinnerets). Needle geometry and planar alignment are often overlooked. To explore potential impact, curcumin-loaded polylactic-co-glycolic acid (PLGA) and methoxypolyethylene glycol amine (PEG)-based nanoparticles were fabricated. To elucidate these technological aspects, a horizontal electrospraying needle regime was adapted, and three formulations containing different polymeric ratios of PLGA: PEG (50:50, 75:25, and 25:75) were prepared and utilised. Furthermore, processing head tip geometries e.g. blunt (a flat needle exit) or slanted (a 45° inclination angle), were subjected to various flow rates (5 µL-100 µL). Successful engineering of curcumin-loaded polymeric nanoparticles (< 150 nm) was observed. In-silico analysis demonstrated stable properties of curcumin, PEG and PLGA (molecular docking studies) and fluid flow direction towards the Taylor-Cone (also known as the stable jet mode), was shown by the assessment of fluid dynamics simulations in various needle outlets. Curcumin-loaded nanoparticles were characterised using an array of methods including Scanning electron microscopy, Differential scanning calorimetry, Fourier transform infrared spectroscopy, X-ray diffraction, as well as their contact angles, encapsulation efficiencies and finally release patterns. The discrepancy when spraying with blunt and angled needles was evidenced by electron micrographs and deposition patterns. Spraying plumes utilising slanted needles enhanced particle collection efficiency and distribution of resultant atomised structures. In addition to needle design, fine-tuning the applied voltage and flow rate impacted the electrospraying process. The coefficient of variation was calculated as 30.5% and 25.6% for blunt and angled needle outlets, respectively, presenting improved particle uniformity with the employment of angled needle tips (8-G needle at 25 µL). The interplay of processing parameters with the utilisation of a slanted exit at a capillary optimised the spray pattern and formation of desired nanoparticulates. These demonstrate great applicability for controlled deposition and up-scaling processes in the pharmaceutical industry. These advances elaborate on EHDA processes, indicating a more cost-effective and scalable approach for industrial applications, facilitating the generation of a diverse range of particle systems in a controlled and more uniform fashion.

Graphical Abstract

本研究的重点是传统电动流体动力雾化(EHDA)系统的一个关键外围组件,即喷针(也称为喷嘴或喷丝头)的适应性开发。喷针的几何形状和平面排列经常被忽视。为了探索潜在的影响,我们制造了载姜黄素的聚乳酸-共聚乙醇酸(PLGA)和甲氧基聚乙二醇胺(PEG)基纳米粒子。为了阐明这些技术方面的问题,我们调整了水平电喷针机制,制备并使用了三种含有不同聚乳酸-聚乙二醇(PLGA:PEG)聚合物比例(50:50、75:25 和 25:75)的配方。此外,加工头的几何形状,例如钝头(平针出口)或斜头(45°倾斜角),也适用于不同的流速(5 µL-100 µL)。成功设计出姜黄素负载的聚合纳米颗粒 (
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引用次数: 0
Non-Invasive Techniques of Nose to Brain Delivery Using Nanoparticulate Carriers: Hopes and Hurdles 使用纳米颗粒载体从鼻腔向大脑输送药物的非侵入性技术:希望与障碍。
IF 3.4 4区 医学 Q2 PHARMACOLOGY & PHARMACY Pub Date : 2024-10-30 DOI: 10.1208/s12249-024-02946-z
Mansi Butola, Nidhi Nainwal

Intranasal drug delivery route has emerged as a promising non-invasive method of administering drugs directly to the brain, bypassing the blood–brain barrier (BBB) and blood-cerebrospinal fluid barriers (BCSF). BBB and BCSF prevent many therapeutic molecules from entering the brain. Intranasal drug delivery can transport drugs from the nasal mucosa to the brain, to treat a variety of Central nervous system (CNS) diseases. Intranasal drug delivery provides advantages over invasive drug delivery techniques such as intrathecal or intraparenchymal which can cause infection. Many strategies, including nanocarriers liposomes, solid-lipid NPs, nano-emulsion, nanostructured lipid carriers, dendrimers, exosomes, metal NPs, nano micelles, and quantum dots, are effective in nose-to-brain drug transport. However, the biggest obstacles to the nose-to-brain delivery of drugs include mucociliary clearance, poor drug retention, enzymatic degradation, poor permeability, bioavailability, and naso-mucosal toxicity. The current review aims to compile current approaches for drug delivery to the CNS via the nose, focusing on nanotherapeutics and nasal devices. Along with a brief overview of the related pathways or mechanisms, it also covers the advantages of nasal drug delivery as a potential method of drug administration. It also offers several possibilities to improve drug penetration across the nasal barrier. This article overviews various in-vitro, ex-vivo, and in-vivo techniques to assess drug transport from the nasal epithelium into the brain.

绕过血脑屏障(BBB)和血-脑脊液屏障(BCSF),鼻内给药途径已成为直接向大脑给药的一种很有前途的非侵入性方法。血脑屏障和血脑脊液屏障阻止许多治疗分子进入大脑。鼻内给药可将药物从鼻粘膜输送到大脑,治疗各种中枢神经系统(CNS)疾病。与侵入性给药技术相比,鼻腔内给药具有优势,因为侵入性给药技术会导致感染,例如鞘内给药或脑膜内给药。许多策略,包括纳米载体脂质体、固态脂质 NPs、纳米乳液、纳米结构脂质载体、树枝状分子、外泌体、金属 NPs、纳米胶束和量子点,都能有效地实现从鼻腔到大脑的药物传输。然而,鼻脑给药的最大障碍包括粘膜清除、药物滞留性差、酶降解、渗透性差、生物利用度低以及鼻粘膜毒性。本综述旨在梳理目前通过鼻腔向中枢神经系统给药的方法,重点关注纳米疗法和鼻腔装置。在简要介绍相关途径或机制的同时,还介绍了鼻腔给药作为一种潜在给药方法的优势。它还为改善药物通过鼻腔屏障的渗透提供了多种可能性。本文概述了评估药物从鼻腔上皮细胞向大脑转运的各种体外、体外和体内技术。
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