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Shaygani H, Shamloo A, Akbarnataj K, Maleki S. In vitro and in vivo investigation of chitosan/silk fibroin injectable interpenetrating network hydrogel with microspheres for cartilage regeneration. Int J Biol Macromol 2024; 270:132126. [PMID: 38723805 DOI: 10.1016/j.ijbiomac.2024.132126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/03/2024] [Accepted: 05/04/2024] [Indexed: 06/05/2024]
Abstract
Articular cartilage is an avascular and almost acellular tissue with limited self-regenerating capabilities. Although injectable hydrogels have garnered a lot of attention as a promising treatment, a biocompatible hydrogel with adequate mechanical properties is yet to be created. In this study, an interpenetrating network hydrogel comprised of chitosan and silk fibroin was created through electrostatic and hydrophobic bonds, respectively. The polymeric network of the scaffold combined an effective microenvironment for cell activity with enhanced mechanical properties to address the current issues in cartilage scaffolds. Furthermore, microspheres (MS) were utilized for a controlled release of methylprednisolone acetate (MPA), around ~75 % after 35 days. The proposed scaffolds demonstrated great mechanical stability with ~0.047 MPa compressive moduli and ~145 kPa compressive strength. Moreover, the degradation rate of the samples (~45 % after 35 days) was optimized to match neo-cartilage formation. Furthermore, the use of natural biomaterials yielded good biocompatibility with ~76 % chondrocyte viability after 7 days. According to gross observation after 12 weeks the defect site of the treated groups was filled with minimally discernible boundary. These results were confirmed by histopathology assays were the treated groups showed higher chondrocyte count and collagen type II expression.
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Affiliation(s)
- Hossein Shaygani
- School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran; Stem Cell and Regenerative Medicine Institute, Sharif University of Technology, Tehran, Iran
| | - Amir Shamloo
- School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran; Stem Cell and Regenerative Medicine Institute, Sharif University of Technology, Tehran, Iran.
| | - Kazem Akbarnataj
- School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran; Department of Mechanical Engineering, Isfahan University of Technology, Isfahan, Iran
| | - Sasan Maleki
- School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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2
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Woźniak-Budych M, Staszak K, Wieszczycka K, Bajek A, Staszak M, Roszkowski S, Giamberini M, Tylkowski B. Microplastic label in microencapsulation field - Consequence of shell material selection. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133000. [PMID: 38029585 DOI: 10.1016/j.jhazmat.2023.133000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 12/01/2023]
Abstract
Plastics make our lives easier in many ways; however, if they are not appropriately disposed of or recycled, they may end up in the environment where they stay for centuries and degrade into smaller and smaller pieces, called microplastics. Each year, approximately 42000 tonnes of microplastics end up in the environment when products containing them are used. According to the European Chemicals Agency (ECHA) one of the significant sources of microplastics are microcapsules formulated in home care and consumer care products. As part of the EU's plastics strategy, ECHA has proposed new regulations to ban intentionally added microplastics starting from 2022. It means that the current cross-linked microcapsules widely applied in consumer goods must be transformed into biodegradable shell capsules. The aim of this review is to provide the readers with a comprehensive and in-depth understanding of recent developments in the art of microencapsulation. Thus, considering the chemical structure of the capsule shell's materials, we discuss whether microcapsules should also be categorized as microplastic and therefore, feared and avoided or whether they should be used despite the persisting concern.
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Affiliation(s)
- Marta Woźniak-Budych
- NanoBioMedical Centre, Adam Mickiewicz University, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland
| | - Katarzyna Staszak
- Institute of Technology and Chemical Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland
| | - Karolina Wieszczycka
- Institute of Technology and Chemical Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland
| | - Anna Bajek
- Tissue Engineering Department, Chair of Urology and Andrology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, ul. Karlowicza str 24, 85-092 Bydgoszcz, Poland
| | - Maciej Staszak
- Institute of Technology and Chemical Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland
| | - Szymon Roszkowski
- Department of Geriatrics, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, ul. Jagiellonska 13/15, 85-067 Bydgoszcz, Poland
| | - Marta Giamberini
- Department of Chemical Engineering (DEQ), Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain
| | - Bartosz Tylkowski
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Tecnologia Química, Marcel·lí Domingo 2, 43007 Tarragona, Spain; Department of Clinical Neuropsychology, Faculty of Health Science, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, ul. Sklodowskiej Curie 9, 85-094 Bydgoszcz, Poland.
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3
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Tamarind/β-CD-g-poly (MAA) pH responsive hydrogels for controlled delivery of Capecitabine: fabrication, characterization, toxicological and pharmacokinetic evaluation. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-022-03422-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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4
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Hu Y, Shin Y, Park S, Jeong JP, Kim Y, Jung S. Multifunctional Oxidized Succinoglycan/Poly(N-isopropylacrylamide-co-acrylamide) Hydrogels for Drug Delivery. Polymers (Basel) 2022; 15:polym15010122. [PMID: 36616471 PMCID: PMC9824477 DOI: 10.3390/polym15010122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 12/29/2022] Open
Abstract
We prepared the self-healing and temperature/pH-responsive hydrogels using oxidized succinoglycan (OSG) and a poly (N-isopropyl acrylamide-co-acrylamide) [P(NIPAM-AM)] copolymer. OSG was synthesized by periodate oxidation of succinoglycan (SG) isolated directly from soil microorganisms, Sinorhizobium meliloti Rm1021. The OSG/P(NIPAM-AM) hydrogels were obtained by introducing OSG into P(NIPAM-AM) networks. The chemical structure and physical properties of these hydrogels were characterized by ATR-FTIR, XRD, TGA, and FE-SEM. The OSG/P(NIPAM-AM) hydrogels showed improved elasticity, increased thermal stability, new self-healing ability, and 4-fold enhanced tensile strength compared with the P(NIPAM-AM) hydrogels. Furthermore, the 5-FU-loaded OSG/P(NIPAM-AM) hydrogels exhibited effective temperature/pH-responsive drug release. Cytotoxicity experiments showed that the OSG/P(NIPAM-AM) hydrogels were non-toxic, suggesting that OSG/P(NIPAM-AM) hydrogels could have the potential for biomedical applications, such as stimuli-responsive drug delivery systems, wound healing, smart scaffolds, and tissue engineering.
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Affiliation(s)
- Yiluo Hu
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
| | - Younghyun Shin
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
| | - Sohyun Park
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
| | - Jae-pil Jeong
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
| | - Yohan Kim
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
| | - Seunho Jung
- Department of Bioscience and Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk University, Seoul 05029, Republic of Korea
- Department of Systems Biotechnology, Microbial Carbohydrate Resource Bank (MCRB), Konkuk Univesity, Seoul 05029, Republic of Korea
- Correspondence: ; Tel.: +82-2-450-3520
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pH Responsive Hydrogels for the Delivery of Capecitabine: Development, Optimization and Pharmacokinetic Studies. Gels 2022; 8:gels8120775. [PMID: 36547299 PMCID: PMC9778381 DOI: 10.3390/gels8120775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/16/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
The objective of the current study was to achieve a sustained release profile of capecitabine (CAP), an anticancer agent frequently administered in conventional dosage form due to its short plasma half-life. A drug-loaded smart pH responsive chitosan/fenugreek-g-poly (MAA) hydrogel was synthesized by an aqueous free radical polymerization technique. The developed network was evaluated for capecitabine loading %, swelling response, morphology, structural and compositional characteristics, and drug release behavior. Significantly higher swelling and in vitro drug release rate were exhibited by formulations at pH 7.4 than at pH 1.2, demonstrating the pH responsive character of hydrogels. Swelling percentage and CAP loading ranged within 74.45-83.54% and 50.13-72.43%, respectively. Maximum release, up to 93%, was demonstrated over 30 h, evidencing the controlled release pattern of CAP from hydrogels. The optimized formulation was further screened for acute oral toxicity studies. No signs of oral, dermal, or ocular toxicities were noticed, confirming safety evidence of the network. Furthermore, pharmacokinetic analysis demonstrated the sustained release response of CAP from hydrogels as confirmed by a significant increase in plasma half-life (t1/2) (13 h) and AUC (42.88 µg h/mL) of CAP. Based on these findings, fabricated hydrogels are strongly recommended as a biocompatible carrier for colorectal delivery of active agents.
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Su Y, Liu J, Tan S, Liu W, Wang R, Chen C. PLGA sustained-release microspheres loaded with an insoluble small-molecule drug: microfluidic-based preparation, optimization, characterization, and evaluation in vitro and in vivo. Drug Deliv 2022; 29:1437-1446. [PMID: 35532150 PMCID: PMC9090356 DOI: 10.1080/10717544.2022.2072413] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Microspheres play an important role in controlling drug delivery and release rate accurately. To realize the sustainable release of insoluble small-molecule drugs, a new three-phase flow-focusing microfluidic device was developed to produce the drug-loaded sustained-release microspheres which were prepared with bicalutamide (BCS class-II) as the model drug and poly(lactide-co-glycolide) (PLGA) as the carrier material. Under optimized prescription conditions, the microspheres showed a smooth surface and uniform size of 51.33 μm with a CV value of 4.43%. Sustained-release microspheres had a releasing duration of around 40 days in vitro without any initial burst release. The drug release mechanism of the microspheres was drug diffusion and polymer erosion. Meanwhile, the drug release of microspheres in vivo could be up to 30 days. Briefly, the microfluidic device in this study provides a new solution for the preparation of sustained-release microspheres for insoluble small-molecule drugs. PLGA sustained-release microspheres developed by the microfluidic device have good application prospects in precise delivery and sustainable release of insoluble small-molecule drugs.
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Affiliation(s)
- Yue Su
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Jia Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Songwen Tan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | - Wenfang Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
| | | | - Chuanpin Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
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7
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Recent studies on modulating hyaluronic acid-based hydrogels for controlled drug delivery. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2022. [DOI: 10.1007/s40005-022-00568-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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8
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Journey to the Market: The Evolution of Biodegradable Drug Delivery Systems. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12020935] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Biodegradable polymers have been used as carriers in drug delivery systems for more than four decades. Early work used crude natural materials for particle fabrication, whereas more recent work has utilized synthetic polymers. Applications include the macroscale, the microscale, and the nanoscale. Since pioneering work in the 1960’s, an array of products that use biodegradable polymers to encapsulate the desired drug payload have been approved for human use by international regulatory agencies. The commercial success of these products has led to further research in the field aimed at bringing forward new formulation types for improved delivery of various small molecule and biologic drugs. Here, we review recent advances in the development of these materials and we provide insight on their drug delivery application. We also address payload encapsulation and drug release mechanisms from biodegradable formulations and their application in approved therapeutic products.
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9
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Hua Y, Su Y, Zhang H, Liu N, Wang Z, Gao X, Gao J, Zheng A. Poly(lactic-co-glycolic acid) microsphere production based on quality by design: a review. Drug Deliv 2021; 28:1342-1355. [PMID: 34180769 PMCID: PMC8245074 DOI: 10.1080/10717544.2021.1943056] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Poly(lactic-co-glycolic acid) (PLGA) has garnered increasing attention as a candidate drug delivery polymer owing to its favorable properties, including its excellent biocompatibility, biodegradability, non-toxicity, non-immunogenicity, and mechanical strength. PLAG are specifically used as microspheres for the sustained/controlled and targeted delivery of hydrophilic or hydrophobic drugs, as well as biological therapeutic macromolecules, including peptide and protein drugs. PLGAs with different molecular weights, lactic acid (LA)/glycolic acid (GA) ratios, and end groups exhibit unique release characteristics, which is beneficial for obtaining diverse therapeutic effects. This review aims to analyze the composition of PLGA microspheres, and understand the manufacturing process involved in their production, from a quality by design perspective. Additionally, the key factors affecting PLGA microsphere development are explored as well as the principles involved in the synthesis and degradation of PLGA and its interaction with active drugs. Further, the effects elicited by microcosmic conditions on PLGA macroscopic properties, are analyzed. These conditions include variations in the organic phase (organic solvent, PLGA, and drug concentration), continuous phase (emulsifying ability), emulsifying stage (organic phase and continuous phase interaction, homogenization parameters), and solidification process (relationship between solvent volatilization rate and curing conditions). The challenges in achieving consistency between batches during manufacturing are addressed, and continuous production is discussed as a potential solution. Finally, potential critical quality attributes are introduced, which may facilitate the optimization of process parameters.
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Affiliation(s)
- Yabing Hua
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Yuhuai Su
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Hui Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Nan Liu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Zengming Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Xiang Gao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Jing Gao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Aiping Zheng
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
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Rehman U, Sarfraz RM, Mahmood A, Zafar N, Ashraf MU. Chitosan/Agarose‐g‐poly (methacrylate)
pH
responsive polymeric blend: A dais for controlled delivery of Capecitabine. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Umaira Rehman
- Department of Pharmaceutics, Faculty of Pharmacy University of Sargodha Sargodha Pakistan
| | - Rai Muhammad Sarfraz
- Department of Pharmaceutics, Faculty of Pharmacy University of Sargodha Sargodha Pakistan
| | - Asif Mahmood
- Department of Pharmaceutics, Faculty of Pharmacy The University of Lahore Lahore Pakistan
| | - Nadiah Zafar
- Department of Pharmaceutics, Faculty of Pharmacy The University of Lahore Lahore Pakistan
| | - Muhammad Umar Ashraf
- Department of Pharmaceutics, Faculty of Pharmacy The University of Lahore Lahore Pakistan
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11
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Wang Y, Xuan J, Zhao G, Wang D, Ying N, Zhuang J. Improving stability and oral bioavailability of hydroxycamptothecin via nanocrystals in microparticles (NCs/MPs) technology. Int J Pharm 2021; 604:120729. [PMID: 34029666 DOI: 10.1016/j.ijpharm.2021.120729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/05/2021] [Accepted: 05/19/2021] [Indexed: 10/21/2022]
Abstract
This study developed a nanocrystals-in-microparticles (NCs/MPs) technology for improving dissolution and oral absorption of poorly soluble drugs. Hydroxycamptothecin (HCPT) was selected as a model drug and prepared to be nanocrystals (HCPT-NCs) by acid-alkali based precipitation. The HCPT-NCs were rod like shape with the length of 250 nm and the width of 50 nm. Then, the chitosan and sodium alginate were selected as microparticles matrix to encapsulate the HCPT-NCs. The HCPT-NCs were entrapped in microparticles with a D50 value of 15 µm. The drug loading capacity of microparticles achieved more than 40% (w/w) by NCs/MPs technology. The powder X-ray diffraction showed the crystal structure of HCPT in microparticles was same as nanocrystals, indicating that the preparation of microparticles could not destroy the nanocrystals. The in vitro release demonstrated that microparticles could protect the NCs in gastric fluid and release NCs in intestinal fluid. Furthermore, the oral bioavailability of HCPT in NCs/MPs was improved by 18-fold compared to bulk HCPT and 2.1-fold compared to HCPT-NCs as tested by a rat model. Therefore, NCs/MPs technology is a promising and high effective approach to improve the oral bioavailability of poorly soluble drugs.
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Affiliation(s)
- Yuting Wang
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Jingjing Xuan
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Guangchao Zhao
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Dandan Wang
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Na Ying
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Jie Zhuang
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China.
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12
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Decuzzi P, Peer D, Di Mascolo D, Palange AL, Manghnani PN, Moghimi SM, Farhangrazi ZS, Howard KA, Rosenblum D, Liang T, Chen Z, Wang Z, Zhu JJ, Gu Z, Korin N, Letourneur D, Chauvierre C, van der Meel R, Kiessling F, Lammers T. Roadmap on nanomedicine. NANOTECHNOLOGY 2021; 32:012001. [PMID: 33043901 PMCID: PMC7612035 DOI: 10.1088/1361-6528/abaadb] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Since the launch of the Alliance for Nanotechnology in Cancer by the National Cancer Institute in late 2004, several similar initiatives have been promoted all over the globe with the intention of advancing the diagnosis, treatment and prevention of cancer in the wake of nanoscience and nanotechnology. All this has encouraged scientists with diverse backgrounds to team up with one another, learn from each other, and generate new knowledge at the interface between engineering, physics, chemistry and biomedical sciences. Importantly, this new knowledge has been wisely channeled towards the development of novel diagnostic, imaging and therapeutic nanosystems, many of which are currently at different stages of clinical development. This roadmap collects eight brief articles elaborating on the interaction of nanomedicines with human biology; the biomedical and clinical applications of nanomedicines; and the importance of patient stratification in the development of future nanomedicines. The first article reports on the role of geometry and mechanical properties in nanomedicine rational design; the second articulates on the interaction of nanomedicines with cells of the immune system; and the third deals with exploiting endogenous molecules, such as albumin, to carry therapeutic agents. The second group of articles highlights the successful application of nanomedicines in the treatment of cancer with the optimal delivery of nucleic acids, diabetes with the sustained and controlled release of insulin, stroke by using thrombolytic particles, and atherosclerosis with the development of targeted nanoparticles. Finally, the last contribution comments on how nanomedicine and theranostics could play a pivotal role in the development of personalized medicines. As this roadmap cannot cover the massive extent of development of nanomedicine over the past 15 years, only a few major achievements are highlighted as the field progressively matures from the initial hype to the consolidation phase.
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Affiliation(s)
- Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
- Corresponding authors: and
| | - Dan Peer
- Laboratory of Precision NanoMedicine, School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering
- Center for Nanoscience and Nanotechnology
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 6997801, Israel
- Corresponding authors: and
| | - Daniele Di Mascolo
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
| | - Anna Lisa Palange
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
| | - Purnima Naresh Manghnani
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, Genoa 16163, Italy
| | - S. Moein Moghimi
- School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | | | - Kenneth A. Howard
- Interdisciplinary Nanoscience Center, Department of Molecular Biology and Genetics, Aarhus University, Denmark
| | - Daniel Rosenblum
- Laboratory of Precision NanoMedicine, School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences
- Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering
- Center for Nanoscience and Nanotechnology
- Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 6997801, Israel
| | - Tingxizi Liang
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- State Key Laboratory of Analytical Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210023, China
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Zhaowei Chen
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Zejun Wang
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhen Gu
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Netanel Korin
- Technion - Israel Institute of Technology, Haifa, 3200003, Israel
| | - Didier Letourneur
- Université de Paris, Université Paris 13, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
| | - Cédric Chauvierre
- Université de Paris, Université Paris 13, INSERM 1148, LVTS, Hôpital Bichat, F-75018 Paris, France
| | - Roy van der Meel
- Laboratory of Chemical Biology, Dept. of Biomedical Engineering and Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
- Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany
- Dept. of Targeted Therapeutics, University of Twente, Enschede, The Netherlands
- Dept. of Pharmaceutics, Utrecht University, Utrecht, The Netherlands
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13
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Abu Hajleh MN, Al-Samydai A, Al-Dujaili EAS. Nano, micro particulate and cosmetic delivery systems of polylactic acid: A mini review. J Cosmet Dermatol 2020; 19:2805-2811. [PMID: 32954588 DOI: 10.1111/jocd.13696] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/04/2020] [Accepted: 08/19/2020] [Indexed: 01/24/2023]
Abstract
BACKGROUND Poly lactic acid and its copolymers are considered to be the preferred substrates for drug delivery devices. Poly lactic acid is a biocompatible, biodegradable and nontoxic polymer. It was approved by Food and Drug Administration and thought to be among the most attractive polymeric candidates intended for controlling drug delivery. It was utilized for the development of devices for the delivery of small molecules, proteins, genes, vaccines, anticancer drugs, and macromolecules. OBJECTIVES AND METHODS This manuscript lists the different techniques for synthesizing poly lactic acid-based nano and microparticles such as emulsion-based methods, precipitation-based methods, direct compositing methods, in situ forming micro-particles, and microfluidic technique. CONCLUSIONS In addition, it describes the application and use of poly lactic acid in biomedical and cosmetic delivery systems.
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Affiliation(s)
- Maha N Abu Hajleh
- Department of Cosmetic Science, Faculty of Allied Medical Sciences, Al-Ahliyya Amman University, Amman, Jordan
| | - Ali Al-Samydai
- Pharmacological and Diagnostic Research Centre, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Emad A S Al-Dujaili
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
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Feng N, Wu H, Xie Y, Wu Q. A novel drug delivery system obtained from hydrophobic modified amphiphilic polymers by Maillard reaction. Int J Biol Macromol 2020; 157:146-150. [PMID: 32353493 DOI: 10.1016/j.ijbiomac.2020.04.218] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/30/2020] [Accepted: 04/24/2020] [Indexed: 11/26/2022]
Abstract
In order to improve the bioavailability of paclitaxel, hemicellulose fractions from hot water pretreatment liquor were the first time to design new amphiphilic polymers through the Maillard reaction. Structural characteristics, emulsifying and drug release behaviors of the amphiphilic polymers were then investigated in detail. Results showed that the amphiphilic polymers with degrees of substitution ranging from 0.31 to 1.65 were obtained by reacting hemicellulose fractions with dodecylamine. Furthermore, the nanometer paclitaxel emusion was successfully preparaed. The amphiphilic polymer provided excellent emulsifying properties and desired storage stability. The average particle sizes of emulsion stayed in the range of 235-266 nm, even after 90 days of storage. Besides, the amphiphilic polymer also proved considerable paclitaxel preservation ability and released performance of pH-responsive. The controlled release of paclitaxel was better at pH 5.0, and thus the new amphiphilic polymer can be used as a delivery carrier of hydrophobic drugs.
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Affiliation(s)
- Nianjie Feng
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, Hubei University of Technology, Wuhan 430068, China; Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, China
| | - Hua Wu
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, China
| | - Yimin Xie
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, Hubei University of Technology, Wuhan 430068, China
| | - Qian Wu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Lightweight Materials and Processing, Hubei University of Technology, Wuhan 430068, China; Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Key Laboratoy of Industrial Microbiology, National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei Research Center of Food Fermentation Engineering and Technology, Hubei University of Technology, Wuhan, Hubei 430068, China.
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15
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Kohno M, Andhariya JV, Wan B, Bao Q, Rothstein S, Hezel M, Wang Y, Burgess DJ. The effect of PLGA molecular weight differences on risperidone release from microspheres. Int J Pharm 2020; 582:119339. [PMID: 32305366 DOI: 10.1016/j.ijpharm.2020.119339] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/23/2020] [Accepted: 04/14/2020] [Indexed: 12/31/2022]
Abstract
The objective of the present study was to investigate the effect of molecular weight differences of poly (lactic-co-glycolic acid) (PLGA) on the in vitro release profile of risperidone microspheres. Four different PLGA molecular weights were investigated and all the microsphere formulations were prepared using the same manufacturing process. Physicochemical properties (particle size, drug loading, morphology and molecular weight) as well as in vitro degradation profiles of the prepared microspheres were investigated in addition to in vitro release testing. The in vitro release tests were performed using a previously developed flow through cell (USP apparatus 4) method. The particle size of the four prepared microsphere formulations varied, however there were no significant differences in the drug loading. Interestingly, the in vitro release profiles did not follow the molecular weight of the polymers used. Instead, the drug release appeared to be dependent on the glass transition temperature of the polymers as well as the porosity of the prepared formulations. The catalytic effect of risperidone (an amine drug) on PLGA during manufacturing and release testing, minimized the differences in the molecular weights of the four formulations, explaining the independence of the release profiles on PLGA molecular weight.
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Affiliation(s)
- Moe Kohno
- University of Connecticut, School of Pharmacy, Storrs, CT 06269, United States
| | - Janki V Andhariya
- University of Connecticut, School of Pharmacy, Storrs, CT 06269, United States
| | - Bo Wan
- University of Connecticut, School of Pharmacy, Storrs, CT 06269, United States
| | - Quanying Bao
- University of Connecticut, School of Pharmacy, Storrs, CT 06269, United States
| | | | | | - Yan Wang
- FDA/CDER, Office of Generic Drugs, Office of Research and Standards, Silver Spring, MD 20993, United States
| | - Diane J Burgess
- University of Connecticut, School of Pharmacy, Storrs, CT 06269, United States.
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Nguyen-Pham TQ, Benyahia L, Bastiat G, Riou J, Venier-Julienne MC. Behavior of poly(d,l-lactic-co-glycolic acid) (PLGA)-based droplets falling into a complex extraction medium simulating the prilling process. J Colloid Interface Sci 2020; 561:838-848. [PMID: 31813576 DOI: 10.1016/j.jcis.2019.11.066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/15/2019] [Accepted: 11/16/2019] [Indexed: 10/25/2022]
Abstract
HYPOTHESIS Prilling process is one of advanced techniques for manufacturing microspheres of controlled and uniform size. In this process, homogenous polymer droplets fall into an extraction medium. The aim of this study was to identify the key parameters influencing the behavior of PLGA polymer-based droplets falling into a complex extraction medium, to select appropriate conditions for prilling. EXPERIMENTS Polymer solutions and extraction media were characterized by determining their viscosity, density and surface tension. A simple model simulating the prilling process was developed to study droplet behavior. Particle shape and velocity at the air-liquid interface and during sedimentation in the container were analyzed step by step. The correlations between the variables studied were visualized by principal component analysis (PCA). FINDINGS Droplet deformation at the interface greatly affected the recovery and final particle shape. It depended on the viscosity ratio of polymer solution/extraction medium. The particle shape recovery depended on the viscosity and density of extraction media and polymer solutions. The solidification speed is also an important parameter. In media which the solvent diffused slowly, particles were able to relax and recover their shape, however, they can also deform during sedimentation and collision with the bottom of the cuvette.
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Affiliation(s)
- Thao-Quyen Nguyen-Pham
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
| | - Lazhar Benyahia
- Institut des Molécules et des Matériaux du Mans, IMMM, UNIV Le Mans, UMR CNRS 6283, Le Mans, France
| | - Guillaume Bastiat
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
| | - Jérémie Riou
- Micro et Nanomedecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, Angers, France
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17
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Di Francesco M, Primavera R, Summa M, Pannuzzo M, Di Francesco V, Di Mascolo D, Bertorelli R, Decuzzi P. Engineering shape-defined PLGA microPlates for the sustained release of anti-inflammatory molecules. J Control Release 2020; 319:201-212. [DOI: 10.1016/j.jconrel.2019.12.039] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 10/25/2022]
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18
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Li Y, Kohane DS. Microparticles. Biomater Sci 2020. [DOI: 10.1016/b978-0-12-816137-1.00030-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Chen F, Huang G, Huang H. Preparation and application of dextran and its derivatives as carriers. Int J Biol Macromol 2019; 145:827-834. [PMID: 31756474 DOI: 10.1016/j.ijbiomac.2019.11.151] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/28/2019] [Accepted: 11/18/2019] [Indexed: 12/23/2022]
Abstract
As a natural and renewable biological macromolecule, dextran not only has excellent biodegradability, but also has good biocompatibility. Dextran and its derivatives are functional polymers for the construction of targeted drug delivery systems. Herein, the application of dextran as prodrug and nanoparticle/nanogel/microsphere/micelle carrier for targeting drug delivery system was summarized. It is clarified that dextran is an important biomaterial with application value.
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Affiliation(s)
- Fang Chen
- Active Carbohydrate Research Institute, Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, China
| | - Gangliang Huang
- Active Carbohydrate Research Institute, Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, China.
| | - Hualiang Huang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430073, China
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20
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Bioerodable Ketamine-Loaded Microparticles Fabricated Using Dissolvable Hydrogel Template Technology. J Pharm Sci 2019; 108:1220-1226. [DOI: 10.1016/j.xphs.2018.10.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/18/2018] [Accepted: 10/18/2018] [Indexed: 11/23/2022]
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21
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Battu S, Yalavarthi PR, Reddy Gv S, Radhakrishnan S, Thummaluru RMR, Konde A. Biopharmaceutical Process of Diclofenac Multi-particulate Systems for Chronotherapy of Rheumatoid Arthritis. Turk J Pharm Sci 2018; 15:256-262. [PMID: 32454668 DOI: 10.4274/tjps.92400] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 08/24/2017] [Indexed: 12/01/2022]
Abstract
Objectives Diclofenac exhibits limited solubility, low bioabsorption and gastric toxicity. The objective of the study was to address the above limitations and to design a multi-particulate formulation for the chronotherapy of RA. Materials and Methods Solid dispersions of DC with SSG and GG were prepared. Uniform-sized (∼400 µm) non-pareil seeds were coated with solid dispersions to produce immediate-release pellets (DMP-1 and DMP-2) and controlled-release pellets (DMP-3 and DMP-4). The resultant controlled-release pellets were further layered with methacrylate polymers to obtain pulsatile-release pellets (DMPP). Solubility, FTIR, DSC, micrometrics, SEM, drug content, drug release, pharmacokinetics, and stability studies were performed for DMPP. Results The solubility of DC was improved by 164-folds due to the presence of hydrophilic carriers in the solid dispersions. No chemical and physical interactions were noticed in FTIR spectra and also in thermograms. A fluidized bed processor facilitated the production of high-quality, circular, and regular pellets with an angle of repose less than 19.5 degrees and DC content between 95.18% and 98.87%. The maximum drug was released from DMPP at the end of 12 hours. DMP-1 and DMP-2 pellets had 2 hr of drug release and pulsatile, controlled-release pellets had a 6 hr lag phase followed by 12 hr controlled release. Both DMP-1 and DMP-2-immediate showed first-order release followed by Hixson-Crowell kinetics, whereas DMPP pellets followed zero-order release with Higuchi's kinetics. The maximum concentration of DC in plasma was 400.8 ng/mL at 5 hr for DMP-2 and 381.1 ng/mL at 14 hr for DMPP-5. The solubility of DC was increased with the application of solid dispersion and in turn increased the pharmacokinetics. The pellets were plausibly stable over a period of 90 days. Conclusion Thus, multi-particulate pulsatile systems of DC were as effective as chronotherapeutics in the treatment of circadian rhythm-based ailments such as RA.
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Affiliation(s)
- Sowjanya Battu
- CMR College of Pharmacy, Department of Pharmaceutics, Hyderabad, India
| | | | - Subba Reddy Gv
- JNTUA College of Engineering, Department of Chemistry, Pulivendula, India
| | | | | | - Abbulu Konde
- CMR College of Pharmacy, Department of Pharmaceutics, Hyderabad, India
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22
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Turek A, Borecka A, Janeczek H, Sobota M, Kasperczyk J. Formulation of delivery systems with risperidone based on biodegradable terpolymers. Int J Pharm 2018; 548:159-172. [DOI: 10.1016/j.ijpharm.2018.06.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 06/21/2018] [Accepted: 06/22/2018] [Indexed: 10/28/2022]
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Zhang P, Xia J, Luo S. Generation of Well-Defined Micro/Nanoparticles via Advanced Manufacturing Techniques for Therapeutic Delivery. MATERIALS 2018; 11:ma11040623. [PMID: 29670013 PMCID: PMC5951507 DOI: 10.3390/ma11040623] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/08/2018] [Accepted: 04/11/2018] [Indexed: 12/15/2022]
Abstract
Micro/nanoparticles have great potentials in biomedical applications, especially for drug delivery. Existing studies identified that major micro/nanoparticle features including size, shape, surface property and component materials play vital roles in their in vitro and in vivo applications. However, a demanding challenge is that most conventional particle synthesis techniques such as emulsion can only generate micro/nanoparticles with a very limited number of shapes (i.e., spherical or rod shapes) and have very loose control in terms of particle sizes. We reviewed the advanced manufacturing techniques for producing micro/nanoparticles with precisely defined characteristics, emphasizing the use of these well-controlled micro/nanoparticles for drug delivery applications. Additionally, to illustrate the vital roles of particle features in therapeutic delivery, we also discussed how the above-mentioned micro/nanoparticle features impact in vitro and in vivo applications. Through this review, we highlighted the unique opportunities in generating controllable particles via advanced manufacturing techniques and the great potential of using these micro/nanoparticles for therapeutic delivery.
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Affiliation(s)
- Peipei Zhang
- Department of Material Processing and Controlling, School of Mechanical Engineering & Automation, Beihang University, Beijing 100191, China.
| | - Junfei Xia
- Department of Bioengineering, Northeastern University, Boston, MA 02115, USA.
| | - Sida Luo
- Department of Material Processing and Controlling, School of Mechanical Engineering & Automation, Beihang University, Beijing 100191, China.
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24
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Sarfraz RM, Ahmad M, Mahmood A, Akram MR, Abrar A. Development of β-cyclodextrin-based hydrogel microparticles for solubility enhancement of rosuvastatin: an in vitro and in vivo evaluation. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:3083-3096. [PMID: 29123380 PMCID: PMC5661467 DOI: 10.2147/dddt.s143712] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of this study was to enhance the solubility of rosuvastatin (RST) calcium by developing β-cyclodextrin-g-poly(2-acrylamido-2-methylpropane sulfonic acid [AMPS]) hydrogel microparticles through aqueous free-radical polymerization technique. Prepared hydrogel microparticles were characterized for percent entrapment efficiency, solubility studies, Fourier transform infrared spectroscopy, differential scanning calorimetry, thermal gravimetric analysis, powder X-ray diffraction, scanning electron microscopy, zeta size and potential, swelling and release studies. Formulations (HS1–HS9) have shown entrapment efficiency between 83.50%±0.30% and 88.50%±0.25%, and optimum release was offered by formulation HS7 at both pH levels, ie, 1.2 (89%) and 7.4 (92%). The majority of microparticles had a particle size of less than 500 µm and zeta potential of −37 mV. Similarly, optimum solubility, ie, 10.66-fold, was determined at pH 6.8 as compared to pure RST calcium, ie, 7.30-fold. In vivo studies on fabricated hydrogel microparticulate system in comparison to pure drug were carried out, and better results regarding pharmacokinetic parameters were seen in the case of hydrogel microparticles. A potential approach for solubility enhancement of RST calcium and other hydrophobic moieties was successfully developed.
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Affiliation(s)
| | - Mahmood Ahmad
- Faculty of Pharmacy and Alternative Medicines, The Islamia University of Bahawalpur, Bahawalpur
| | - Asif Mahmood
- Institute of Pharmacy, Physiology and Pharmacology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | | | - Asad Abrar
- Faculty of Pharmacy and Alternative Medicines, The Islamia University of Bahawalpur, Bahawalpur
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25
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Zhuang J, Fang RH, Zhang L. Preparation of particulate polymeric therapeutics for medical applications. SMALL METHODS 2017; 1:1700147. [PMID: 30310860 PMCID: PMC6176868 DOI: 10.1002/smtd.201700147] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Particulate therapeutics fabricated from polymeric materials have become increasingly popular over the past several decades. Generally, polymeric systems are easy to synthesize and have tunable parameters, giving them significant potential for wide use in the clinic. They come in many different forms, including as nanoparticles, microparticles, and colloidal gels. In this review, we discuss the current preparation methods for each type of platform, as well as some representative applications. To achieve enhanced performance, lipid coatings and other surface modification techniques for introducing additional functionality are also mentioned. We hope that, by outlining the various methods and techniques for their preparation, it will be possible to provide insights into the utility of these polymeric platforms and further encourage their development for biomedical applications.
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Affiliation(s)
- Jia Zhuang
- Department of NanoEngineering and Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, U.S.A
| | - Ronnie H Fang
- Department of NanoEngineering and Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, U.S.A
| | - Liangfang Zhang
- Department of NanoEngineering and Moores Cancer Center, University of California, San Diego, La Jolla, CA 92093, U.S.A
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26
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Andhariya JV, Shen J, Choi S, Wang Y, Zou Y, Burgess DJ. Development of in vitro-in vivo correlation of parenteral naltrexone loaded polymeric microspheres. J Control Release 2017; 255:27-35. [DOI: 10.1016/j.jconrel.2017.03.396] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 03/26/2017] [Accepted: 03/30/2017] [Indexed: 12/22/2022]
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27
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Wang H, Zhang G, Ma X, Liu Y, Feng J, Park K, Wang W. Enhanced encapsulation and bioavailability of breviscapine in PLGA microparticles by nanocrystal and water-soluble polymer template techniques. Eur J Pharm Biopharm 2017; 115:177-185. [DOI: 10.1016/j.ejpb.2017.02.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 01/30/2017] [Accepted: 02/28/2017] [Indexed: 02/01/2023]
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28
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Lee BK, Yun Y, Park K. PLA micro- and nano-particles. Adv Drug Deliv Rev 2016; 107:176-191. [PMID: 27262925 DOI: 10.1016/j.addr.2016.05.020] [Citation(s) in RCA: 174] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/15/2016] [Accepted: 05/24/2016] [Indexed: 01/05/2023]
Abstract
Poly(d,l-lactic acid) (PLA) has been widely used for various biomedical applications for its biodegradable, biocompatible, and nontoxic properties. Various methods, such as emulsion, salting out, and precipitation, have been used to make better PLA micro- and nano-particle formulations. They are widely used as controlled drug delivery systems of therapeutic molecules, including proteins, genes, vaccines, and anticancer drugs. Even though PLA-based particles have challenges to overcome, such as low drug loading capacity, low encapsulation efficiency, and terminal sterilization, continuous innovations in particulate formulations will lead to development of clinically useful formulations.
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29
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Ilie A, Ghiţulică C, Andronescu E, Cucuruz A, Ficai A. New composite materials based on alginate and hydroxyapatite as potential carriers for ascorbic acid. Int J Pharm 2016; 510:501-7. [DOI: 10.1016/j.ijpharm.2016.01.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 01/10/2016] [Accepted: 01/13/2016] [Indexed: 12/23/2022]
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30
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Han FY, Thurecht KJ, Whittaker AK, Smith MT. Bioerodable PLGA-Based Microparticles for Producing Sustained-Release Drug Formulations and Strategies for Improving Drug Loading. Front Pharmacol 2016; 7:185. [PMID: 27445821 PMCID: PMC4923250 DOI: 10.3389/fphar.2016.00185] [Citation(s) in RCA: 215] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 06/11/2016] [Indexed: 01/07/2023] Open
Abstract
Poly(lactic-co-glycolic acid) (PLGA) is the most widely used biomaterial for microencapsulation and prolonged delivery of therapeutic drugs, proteins and antigens. PLGA has excellent biodegradability and biocompatibility and is generally recognized as safe by international regulatory agencies including the United States Food and Drug Administration and the European Medicines Agency. The physicochemical properties of PLGA may be varied systematically by changing the ratio of lactic acid to glycolic acid. This in turn alters the release rate of microencapsulated therapeutic molecules from PLGA microparticle formulations. The obstacles hindering more widespread use of PLGA for producing sustained-release formulations for clinical use include low drug loading, particularly of hydrophilic small molecules, high initial burst release and/or poor formulation stability. In this review, we address strategies aimed at overcoming these challenges. These include use of low-temperature double-emulsion methods to increase drug-loading by producing PLGA particles with a small volume for the inner water phase and a suitable pH of the external phase. Newer strategies for producing PLGA particles with high drug loading and the desired sustained-release profiles include fabrication of multi-layered microparticles, nanoparticles-in-microparticles, use of hydrogel templates, as well as coaxial electrospray, microfluidics, and supercritical carbon dioxide methods. Another recent strategy with promise for producing particles with well-controlled and reproducible sustained-release profiles involves complexation of PLGA with additives such as polyethylene glycol, poly(ortho esters), chitosan, alginate, caffeic acid, hyaluronic acid, and silicon dioxide.
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Affiliation(s)
- Felicity Y. Han
- Centre for Integrated Preclinical Drug Development, The University of QueenslandBrisbane, QLD, Australia
| | - Kristofer J. Thurecht
- Australian Institute for Bioengineering and Nanotechnology, The University of QueenslandBrisbane, QLD, Australia
- Centre for Advanced Imaging, The University of QueenslandBrisbane, QLD, Australia
- ARC Centre of Excellence in Convergent BioNano Science and TechnologyBrisbane, QLD, Australia
| | - Andrew K. Whittaker
- Australian Institute for Bioengineering and Nanotechnology, The University of QueenslandBrisbane, QLD, Australia
- ARC Centre of Excellence in Convergent BioNano Science and TechnologyBrisbane, QLD, Australia
| | - Maree T. Smith
- Centre for Integrated Preclinical Drug Development, The University of QueenslandBrisbane, QLD, Australia
- School of Pharmacy, The University of QueenslandBrisbane, QLD, Australia
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Development of Acyclovir Loaded β-Cyclodextrin-g-Poly Methacrylic Acid Hydrogel Microparticles: An In Vitro Characterization. ADVANCES IN POLYMER TECHNOLOGY 2016. [DOI: 10.1002/adv.21711] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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32
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Shen J, Lee K, Choi S, Qu W, Wang Y, Burgess DJ. A reproducible accelerated in vitro release testing method for PLGA microspheres. Int J Pharm 2015; 498:274-82. [PMID: 26705156 DOI: 10.1016/j.ijpharm.2015.12.031] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/10/2015] [Accepted: 12/12/2015] [Indexed: 12/29/2022]
Abstract
The objective of the present study was to develop a discriminatory and reproducible accelerated in vitro release method for long-acting PLGA microspheres with inner structure/porosity differences. Risperidone was chosen as a model drug. Qualitatively and quantitatively equivalent PLGA microspheres with different inner structure/porosity were obtained using different manufacturing processes. Physicochemical properties as well as degradation profiles of the prepared microspheres were investigated. Furthermore, in vitro release testing of the prepared risperidone microspheres was performed using the most common in vitro release methods (i.e., sample-and-separate and flow through) for this type of product. The obtained compositionally equivalent risperidone microspheres had similar drug loading but different inner structure/porosity. When microsphere particle size appeared similar, porous risperidone microspheres showed faster microsphere degradation and drug release compared with less porous microspheres. Both in vitro release methods investigated were able to differentiate risperidone microsphere formulations with differences in porosity under real-time (37 °C) and accelerated (45 °C) testing conditions. Notably, only the accelerated USP apparatus 4 method showed good reproducibility for highly porous risperidone microspheres. These results indicated that the accelerated USP apparatus 4 method is an appropriate fast quality control tool for long-acting PLGA microspheres (even with porous structures).
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Affiliation(s)
- Jie Shen
- School of Pharmacy, University of Connecticut, Storrs, CT 06269, USA
| | - Kyulim Lee
- School of Pharmacy, University of Connecticut, Storrs, CT 06269, USA
| | - Stephanie Choi
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Wen Qu
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Yan Wang
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Diane J Burgess
- School of Pharmacy, University of Connecticut, Storrs, CT 06269, USA.
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Comparative studies on the properties of glycyrrhetinic acid-loaded PLGA microparticles prepared by emulsion and template methods. Int J Pharm 2015; 496:723-31. [DOI: 10.1016/j.ijpharm.2015.11.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 10/27/2015] [Accepted: 11/09/2015] [Indexed: 01/26/2023]
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34
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A protocol for assay of poly(lactide- co -glycolide) in clinical products. Int J Pharm 2015; 495:87-92. [DOI: 10.1016/j.ijpharm.2015.08.063] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 08/06/2015] [Accepted: 08/21/2015] [Indexed: 11/18/2022]
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Shen J, Choi S, Qu W, Wang Y, Burgess DJ. In vitro-in vivo correlation of parenteral risperidone polymeric microspheres. J Control Release 2015; 218:2-12. [PMID: 26423236 DOI: 10.1016/j.jconrel.2015.09.051] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 09/15/2015] [Accepted: 09/25/2015] [Indexed: 01/05/2023]
Abstract
The objective of the present study was to determine whether an in vitro-in vivo correlation (IVIVC) can be established for polymeric microspheres that are equivalent in formulation composition but prepared with different manufacturing processes. Risperidone was chosen as a model therapeutic and poly(lactic-co-glycolic acid) (PLGA) with similar molecular weight as that used in the commercial product Risperdal® Consta® was used to prepare risperidone microspheres. Various manufacturing processes were investigated to produce the risperidone microspheres with similar drug loading (approx. 37%) but distinctly different physicochemical properties (e.g. porosity, particle size and particle size distribution). In vitro release of the risperidone microspheres was investigated using different release testing methods (such as sample-and-separate and USP apparatus 4). In vivo pharmacokinetic profiles of the risperidone microsphere formulations following intramuscular administration were determined using a rabbit model. Furthermore, the obtained pharmacokinetic profiles were deconvoluted using the Loo-Riegelman method and the calculated in vivo release was compared with the in vitro release of these microspheres. Level A IVIVCs were established and validated for the compositionally equivalent risperidone microspheres based on the in vitro release data obtained using USP apparatus 4. The developed IVIVCs demonstrated good predictability and were robust. These results showed that the developed USP apparatus 4 method was capable of discriminating PLGA microspheres that are equivalent in formulation composition but with manufacturing differences and predicting their in vivo performance in the investigated animal model.
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Affiliation(s)
- Jie Shen
- School of Pharmacy, University of Connecticut, Storrs, CT 06269, USA
| | - Stephanie Choi
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Wen Qu
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Yan Wang
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, FDA, Silver Spring, MD 20993, USA
| | - Diane J Burgess
- School of Pharmacy, University of Connecticut, Storrs, CT 06269, USA.
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Siafaka PI, Barmpalexis P, Lazaridou M, Papageorgiou GZ, Koutris E, Karavas E, Kostoglou M, Bikiaris DN. Controlled release formulations of risperidone antipsychotic drug in novel aliphatic polyester carriers: Data analysis and modelling. Eur J Pharm Biopharm 2015; 94:473-84. [DOI: 10.1016/j.ejpb.2015.06.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 06/24/2015] [Accepted: 06/26/2015] [Indexed: 10/23/2022]
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Gao W, Zhang Q, Liu P, Zhang S, Zhang J, Chen L. Trail of pore shape and temperature-sensitivity of poly(N-isopropylacrylamide) hydrogels before and after removing Brij-58 template and pore formation mechanism. RSC Adv 2014. [DOI: 10.1039/c4ra05780e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Modulate porous morphology and properties of thermosensitive hydrogels by containing different contents of lyotropic liquid crystalline.
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Affiliation(s)
- Wenjun Gao
- State Key Laboratory of Hollow Fiber Membrane Materials and Processes
- School of Materials Science and Engineering
- Tianjin Polytechnic University
- Tianjin 300387, China
| | - Qingsong Zhang
- State Key Laboratory of Hollow Fiber Membrane Materials and Processes
- School of Materials Science and Engineering
- Tianjin Polytechnic University
- Tianjin 300387, China
- Department of Chemistry
| | - Pengfei Liu
- School of Electronics and Information engineering
- Tianjin Polytechnic University
- Tianjin 300387, China
| | - Shuhua Zhang
- Textile Division
- Tianjin Polytechnic University
- Tianjin 300387, China
| | - Juan Zhang
- State Key Laboratory of Hollow Fiber Membrane Materials and Processes
- School of Materials Science and Engineering
- Tianjin Polytechnic University
- Tianjin 300387, China
| | - Li Chen
- State Key Laboratory of Hollow Fiber Membrane Materials and Processes
- School of Materials Science and Engineering
- Tianjin Polytechnic University
- Tianjin 300387, China
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