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Han R, He H, Lu Y, Lu H, Shen S, Wu W. Oral targeted drug delivery to post-gastrointestinal sites. J Control Release 2024; 370:256-276. [PMID: 38679163 DOI: 10.1016/j.jconrel.2024.04.047] [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: 02/18/2024] [Revised: 03/21/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
As an essential branch of targeted drug delivery, oral targeted delivery is attracting growing attention in recent years. In addition to site-specific delivery for the treatment of locoregional diseases in the gastrointestinal tract (GIT), oral targeted delivery to remote sites beyond the GIT emerges as a cutting-edge research topic. This review aims to provide an overview of the fundamental concepts and most recent advances in this field. Owing to the physiological barriers existing in the GIT, carrier systems should be transported across the enteric epithelia to target remote sites. Recently, pioneer investigations have validated the transport of intact micro- or nanocarriers across gastrointestinal barriers and subsequently to various distal organs and tissues. The microfold (M) cell pathway is the leading mechanism underlying the oral absorption of particulates, but the contribution of the transcellular and paracellular pathways should not be neglected either. In addition to well-acknowledged physicochemical and biological factors, the formation of a protein corona may also influence the biological fate of carrier systems. Although in an early stage of conceptualization, oral targeted delivery to remote diseases has demonstrated promising potential for the treatment of inflammation, tumors, and diseases inflicting the lymphatic and mononuclear phagocytosis systems.
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Affiliation(s)
- Rongze Han
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Haisheng He
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; Fudan Zhangjiang Institute, Shanghai 201203, China
| | - Huiping Lu
- Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Shun Shen
- Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China.
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China; Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; Fudan Zhangjiang Institute, Shanghai 201203, China.
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2
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Song Y, Tian C, Lee Y, Yoon M, Yoon SE, Cho SY. Nanosensor Chemical Cytometry: Advances and Opportunities in Cellular Therapy and Precision Medicine. ACS MEASUREMENT SCIENCE AU 2023; 3:393-403. [PMID: 38145025 PMCID: PMC10740128 DOI: 10.1021/acsmeasuresciau.3c00038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 12/26/2023]
Abstract
With the definition of therapeutics now encompassing transplanted or engineered cells and their molecular products, there is a growing scientific necessity for analytics to understand this new category of drugs. This Perspective highlights the recent development of new measurement science on label-free single cell analysis, nanosensor chemical cytometry (NCC), and their potential for cellular therapeutics and precision medicine. NCC is based on microfluidics integrated with fluorescent nanosensor arrays utilizing the optical lensing effect of a single cell to real-time extract molecular properties and correlate them with physical attributes of single cells. This new class of cytometry can quantify the heterogeneity of the multivariate physicochemical attributes of the cell populations in a completely label-free and nondestructive way and, thus, suggest the vein-to-vein conditions for the safe therapeutic applications. After the introduction of the NCC technology, we suggest the technological development roadmap for the maturation of the new field: from the sensor/chip design perspective to the system/software development level based on hardware automation and deep learning data analytics. The advancement of this new single cell sensing technology is anticipated to aid rich and multivariate single cell data setting and support safe and reliable cellular therapeutics. This new measurement science can lead to data-driven personalized precision medicine.
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Affiliation(s)
- Youngho Song
- School
of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Changyu Tian
- School
of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yullim Lee
- School
of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Minyeong Yoon
- School
of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sang Eun Yoon
- Division
of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Republic of Korea
| | - Soo-Yeon Cho
- School
of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
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3
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Wang D, Jiang Q, Dong Z, Meng T, Hu F, Wang J, Yuan H. Nanocarriers transport across the gastrointestinal barriers: The contribution to oral bioavailability via blood circulation and lymphatic pathway. Adv Drug Deliv Rev 2023; 203:115130. [PMID: 37913890 DOI: 10.1016/j.addr.2023.115130] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/27/2023] [Accepted: 10/27/2023] [Indexed: 11/03/2023]
Abstract
Oral administration is the preferred route of drug delivery in clinical practice due to its noninvasiveness, safety, convenience, and high patient compliance. The gastrointestinal tract (GIT) plays a crucial role in facilitating the targeted delivery of oral drugs. However, the GIT presents multiple barriers that impede drug absorption, including the gastric barrier in the stomach and the mucus and epithelial barriers in the intestine. In recent decades, nanotechnology has emerged as a promising approach for overcoming these challenges by utilizing nanocarrier-based drug delivery systems such as liposomes, micelles, polymeric nanoparticles, solid lipid nanoparticles, and inorganic nanoparticles. Encapsulating drugs within nanocarriers not only protects them from degradation but also enhances their transport and absorption across the GIT, ultimately improving oral bioavailability. The aim of this review is to elucidate the mechanisms underlying nanocarrier-mediated transportation across the GIT into systemic circulation via both the blood circulation and lymphatic pathway.
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Affiliation(s)
- Ding Wang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China
| | - Qi Jiang
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China
| | - Zhefan Dong
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China
| | - Tingting Meng
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China
| | - Fuqiang Hu
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China
| | - Jianwei Wang
- The Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, 310009, PR China
| | - Hong Yuan
- College of Pharmaceutical Science, Zhejiang University, Hangzhou 310058, PR China; China Jinhua Institute of Zhejiang University, Jinhua 321299, PR China.
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4
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Macedo MH, Dias Neto M, Pastrana L, Gonçalves C, Xavier M. Recent Advances in Cell-Based In Vitro Models to Recreate Human Intestinal Inflammation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301391. [PMID: 37736674 PMCID: PMC10625086 DOI: 10.1002/advs.202301391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 07/03/2023] [Indexed: 09/23/2023]
Abstract
Inflammatory bowel disease causes a major burden to patients and healthcare systems, raising the need to develop effective therapies. Technological advances in cell culture, allied with ethical issues, have propelled in vitro models as essential tools to study disease aetiology, its progression, and possible therapies. Several cell-based in vitro models of intestinal inflammation have been used, varying in their complexity and methodology to induce inflammation. Immortalized cell lines are extensively used due to their long-term survival, in contrast to primary cultures that are short-lived but patient-specific. Recently, organoids and organ-chips have demonstrated great potential by being physiologically more relevant. This review aims to shed light on the intricate nature of intestinal inflammation and cover recent works that report cell-based in vitro models of human intestinal inflammation, encompassing diverse approaches and outcomes.
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Affiliation(s)
- Maria Helena Macedo
- INL – International Iberian Nanotechnology LaboratoryAvenida Mestre José VeigaBraga4715‐330Portugal
| | - Mafalda Dias Neto
- INL – International Iberian Nanotechnology LaboratoryAvenida Mestre José VeigaBraga4715‐330Portugal
| | - Lorenzo Pastrana
- INL – International Iberian Nanotechnology LaboratoryAvenida Mestre José VeigaBraga4715‐330Portugal
| | - Catarina Gonçalves
- INL – International Iberian Nanotechnology LaboratoryAvenida Mestre José VeigaBraga4715‐330Portugal
| | - Miguel Xavier
- INL – International Iberian Nanotechnology LaboratoryAvenida Mestre José VeigaBraga4715‐330Portugal
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Kirla H, Henry DJ, Jansen S, Thompson PL, Hamzah J. Use of Silica Nanoparticles for Drug Delivery in Cardiovascular Disease. Clin Ther 2023; 45:1060-1068. [PMID: 37783646 DOI: 10.1016/j.clinthera.2023.08.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/22/2023] [Accepted: 08/24/2023] [Indexed: 10/04/2023]
Abstract
PURPOSE Cardiovascular disease (CVD) is the leading cause of death worldwide. The current CVD therapeutic drugs require long-term treatment with high doses, which increases the risk of adverse effects while offering only marginal treatment efficacy. Silica nanoparticles (SNPs) have been proven to be an efficient drug delivery vehicle for numerous diseases, including CVD. This article reviews recent progress and advancement in targeted delivery for drugs and diagnostic and theranostic agents using silica nanoparticles to achieve therapeutic efficacy and improved detection of CVD in clinical and preclinical settings. METHODS A search of PubMed, Scopus, and Google Scholar databases from 1990 to 2023 was conducted. Current clinical trials on silica nanoparticles were identified through ClinicalTrials.gov. Search terms include silica nanoparticles, cardiovascular diseases, drug delivery, and therapy. FINDINGS Silica nanoparticles exhibit biocompatibility in biological systems, and their shape, size, surface area, and surface functionalization can be customized for the safe transport and protection of drugs in blood circulation. These properties also enable effective drug uptake in specific tissues and controlled drug release after systemic, localized, or oral delivery. A range of silica nanoparticles have been used as nanocarrier for drug delivery to treat conditions such as atherosclerosis, hypertension, ischemia, thrombosis, and myocardial infarction. IMPLICATIONS The use of silica nanoparticles for drug delivery and their ongoing development has emerged as a promising strategy to improve the effectiveness of drugs, imaging agents, and theranostics with the potential to revolutionize the treatment of CVD.
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Affiliation(s)
- Haritha Kirla
- Targeted Drug Delivery, Imaging & Therapy Laboratory, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia, Australia; Chemistry and Physics, College of Science, Health, Engineering and Education, Murdoch University, Western Australia, Australia.
| | - David J Henry
- Chemistry and Physics, College of Science, Health, Engineering and Education, Murdoch University, Western Australia, Australia
| | - Shirley Jansen
- Targeted Drug Delivery, Imaging & Therapy Laboratory, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia, Australia; Curtin Health Innovation Research Institute and Curtin Medical School, Curtin University, Perth, Western Australia, Australia; Heart & Vascular Research Institute, Harry Perkins Institute of Medical Research, Nedlands, Western Australia, Australia; Department of Vascular and Endovascular Surgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
| | - Peter L Thompson
- Heart & Vascular Research Institute, Harry Perkins Institute of Medical Research, Nedlands, Western Australia, Australia
| | - Juliana Hamzah
- Targeted Drug Delivery, Imaging & Therapy Laboratory, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, Western Australia, Australia; Curtin Health Innovation Research Institute and Curtin Medical School, Curtin University, Perth, Western Australia, Australia; Heart & Vascular Research Institute, Harry Perkins Institute of Medical Research, Nedlands, Western Australia, Australia.
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6
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Preeti, Sambhakar S, Malik R, Bhatia S, Al Harrasi A, Rani C, Saharan R, Kumar S, Geeta, Sehrawat R. Nanoemulsion: An Emerging Novel Technology for Improving the Bioavailability of Drugs. SCIENTIFICA 2023; 2023:6640103. [PMID: 37928749 PMCID: PMC10625491 DOI: 10.1155/2023/6640103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/02/2023] [Accepted: 10/13/2023] [Indexed: 11/07/2023]
Abstract
The pharmaceutical sector has made considerable strides recently, emphasizing improving drug delivery methods to increase the bioavailability of various drugs. When used as a medication delivery method, nanoemulsions have multiple benefits. Their small droplet size, which is generally between 20 and 200 nanometers, creates a significant interfacial area for drug dissolution, improving the solubility and bioavailability of drugs that are weakly water-soluble. Additionally, nanoemulsions are a flexible platform for drug administration across various therapeutic areas since they can encapsulate hydrophilic and hydrophobic medicines. Nanoemulsion can be formulated in multiple dosage forms, for example, gels, creams, foams, aerosols, and sprays by using low-cost standard operative processes and also be taken orally, topically, topically, intravenously, intrapulmonary, intranasally, and intraocularly. The article explores nanoemulsion formulation and production methods, emphasizing the role of surfactants and cosurfactants in creating stable formulations. In order to customize nanoemulsions to particular medication delivery requirements, the choice of components and production techniques is crucial in assuring the stability and efficacy of the finished product. Nanoemulsions are a cutting-edge technology with a lot of potential for improving medication bioavailability in a variety of therapeutic contexts. They are a useful tool in the creation of innovative pharmaceutical formulations due to their capacity to enhance drug solubility, stability, and delivery. Nanoemulsions are positioned to play a crucial role in boosting medication delivery and enhancing patient outcomes as this field of study continues to advance.
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Affiliation(s)
- Preeti
- Banasthali Vidyapith, Vanasthali Road, Aliyabad, Rajasthan 304022, India
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar, Haryana 122506, India
| | - Sharda Sambhakar
- Banasthali Vidyapith, Vanasthali Road, Aliyabad, Rajasthan 304022, India
| | - Rohit Malik
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar, Haryana 122506, India
| | - Saurabh Bhatia
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
- Natural & Medical Sciences Research Centre, University of Nizwa, Birkat Al Mauz, Oman
| | - Ahmed Al Harrasi
- Natural & Medical Sciences Research Centre, University of Nizwa, Birkat Al Mauz, Oman
| | - Chanchal Rani
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar, Haryana 122506, India
| | - Renu Saharan
- Banasthali Vidyapith, Vanasthali Road, Aliyabad, Rajasthan 304022, India
- Maharishi Markandeswar Deemed to be University, Mullana, Ambala, Haryana 133203, India
| | - Suresh Kumar
- Ganpati Institute of Pharmacy, Yamunanagar, Haryana 135102, India
| | - Geeta
- Banasthali Vidyapith, Vanasthali Road, Aliyabad, Rajasthan 304022, India
| | - Renu Sehrawat
- School of Medical & Allied Sciences, K R Mangalam University, Gurugram, Haryana 122103, India
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7
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Miao YB, Xu T, Gong Y, Chen A, Zou L, Jiang T, Shi Y. Cracking the intestinal lymphatic system window utilizing oral delivery vehicles for precise therapy. J Nanobiotechnology 2023; 21:263. [PMID: 37559085 PMCID: PMC10413705 DOI: 10.1186/s12951-023-01991-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/09/2023] [Indexed: 08/11/2023] Open
Abstract
Oral administration is preferred over other drug delivery methods due to its safety, high patient compliance, ease of ingestion without discomfort, and tolerance of a wide range of medications. However, oral drug delivery is limited by the poor oral bioavailability of many drugs, caused by extreme conditions and absorption challenges in the gastrointestinal tract. This review thoroughly discusses the targeted drug vehicles to the intestinal lymphatic system (ILS). It explores the structure and physiological barriers of the ILS, highlighting its significance in dietary lipid and medication absorption and transport. The review presents various approaches to targeting the ILS using spatially precise vehicles, aiming to enhance bioavailability, achieve targeted delivery, and reduce first-pass metabolism with serve in clinic. Furthermore, the review outlines several methods for leveraging these vehicles to open the ILS window, paving the way for potential clinical applications in cancer treatment and oral vaccine delivery. By focusing on targeted drug vehicles to the ILS, this article emphasizes the critical role of these strategies in improving therapeutic efficacy and patient outcomes. Overall, this article emphasizes the critical role of targeted drug vehicles to the ILS and the potential impact of these strategies on improving therapeutic efficacy and patient outcomes.
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Affiliation(s)
- Yang-Bao Miao
- Department of Haematology, School of Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, No. 32, West Section 2, First Ring Road, Qingyang District, Chengdu, 610000, China.
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610072, China.
| | - Tianxing Xu
- Department of Haematology, School of Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, No. 32, West Section 2, First Ring Road, Qingyang District, Chengdu, 610000, China
| | - Ying Gong
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, People's Republic of China
| | - Anmei Chen
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, People's Republic of China
| | - Liang Zou
- School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Tao Jiang
- Department of Haematology, School of Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, No. 32, West Section 2, First Ring Road, Qingyang District, Chengdu, 610000, China.
| | - Yi Shi
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610072, China.
- Natural Products Research Center, Institute of Chengdu Biology, Sichuan Translational Medicine Hospital, Chinese Academy of Sciences, Chengdu, Sichuan, 610072, China.
- Research Unit for Blindness Prevention of Chinese Academy of Medical Sciences (2019RU026), Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan, 610072, China.
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8
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Kim KS, Na K, Bae YH. Nanoparticle oral absorption and its clinical translational potential. J Control Release 2023; 360:149-162. [PMID: 37348679 DOI: 10.1016/j.jconrel.2023.06.024] [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: 02/27/2023] [Revised: 06/04/2023] [Accepted: 06/17/2023] [Indexed: 06/24/2023]
Abstract
Oral administration of pharmaceuticals is the most preferred route of administration for patients, but it is challenging to effectively deliver active ingredients (APIs) that i) have extremely high or low solubility in intestinal fluids, ii) are large in size, iii) are subject to digestive and/or metabolic enzymes present in the gastrointestinal tract (GIT), brush border, and liver, and iv) are P-glycoprotein substrates. Over the past decades, efforts to increase the oral bioavailability of APIs have led to the development of nanoparticles (NPs) with non-specific uptake pathways (M cells, mucosal, and tight junctions) and target-specific uptake pathways (FcRn, vitamin B12, and bile acids). However, voluminous findings from preclinical models of different species rarely meet practical standards when translated to humans, and API concentrations in NPs are not within the adequate therapeutic window. Various NP oral delivery approaches studied so far show varying bioavailability impacted by a range of factors, such as species, GIT physiology, age, and disease state. This may cause difficulty in obtaining similar oral delivery efficacy when research results in animal models are translated into humans. This review describes the selection of parameters to be considered for translational potential when designing and developing oral NPs.
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Affiliation(s)
- Kyoung Sub Kim
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Kun Na
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of BioMedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - You Han Bae
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA.
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Shakya AK, Mallick B, Nandakumar KS. A Perspective on Oral Immunotherapeutic Tools and Strategies for Autoimmune Disorders. Vaccines (Basel) 2023; 11:1031. [PMID: 37376420 DOI: 10.3390/vaccines11061031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 05/19/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Oral immune tolerance is a physiological process to achieve tolerance against autoimmunity by oral ingestion of self-antigen(s) or other therapeutics. At the cellular level, oral tolerance suppresses autoimmune diseases by activating FoxP-positive and -negative regulatory T cells (Tregs) and/or causing clonal anergy or deletion of autoreactive T cells, affecting B cell tolerance. However, oral delivery of antigens/biologics is challenging due to their instability in the harsh environment of the gastrointestinal (GI) tract. Several antigen/drug delivery tools and approaches, including micro/nanoparticles and transgenic plant-based delivery systems, have been explored to demonstrate oral immune tolerance for different autoimmune diseases successfully. However, despite the effectiveness, variation in results, dose optimization, and undesirable immune system activation are the limitations of the oral approach to further advancement. From this perspective, the current review discusses the oral tolerance phenomenon, cellular mechanisms, antigen delivery tools and strategies, and its challenges.
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Affiliation(s)
| | - Buddhadev Mallick
- Department of Zoology, Raniganj Girls College, Bardhaman 713358, West Bengal, India
| | - Kutty Selva Nandakumar
- Department of Environmental and Biosciences, School of Business, Innovation, and Sustainability, Halmstad University, 301 18 Halmstad, Sweden
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Zafar A, Arshad R, Ur.Rehman A, Ahmed N, Akhtar H. Recent Developments in Oral Delivery of Vaccines Using Nanocarriers. Vaccines (Basel) 2023; 11:vaccines11020490. [PMID: 36851367 PMCID: PMC9964829 DOI: 10.3390/vaccines11020490] [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: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/14/2023] [Indexed: 02/25/2023] Open
Abstract
As oral administration of vaccines is the preferred route due to its high patient compliance and ability to stimulate both cellular and humoral immune responses, it is also associated with several challenges that include denaturation of vaccine components in the acidic environment of the stomach, degradation from proteolytic enzymes, and poor absorption through the intestinal membrane. To achieve effective delivery of such biomolecules, there is a need to investigate novel strategies of formulation development that can overcome the barriers associated with conventional vaccine delivery systems. Nanoparticles are advanced drug delivery carriers that provide target-oriented delivery by encapsulating vaccine components within them, thus making them stable against unfavorable conditions. This review provides a detailed overview of the different types of nanocarriers and various approaches that can enhance oral vaccine delivery.
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Affiliation(s)
- Amna Zafar
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Raffia Arshad
- Yusra Institute of Pharmaceutical Sciences, Yusra Medical and Dental College, Islamabad 45730, Pakistan
| | - Asim Ur.Rehman
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Naveed Ahmed
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Hashaam Akhtar
- Yusra Institute of Pharmaceutical Sciences, Yusra Medical and Dental College, Islamabad 45730, Pakistan
- Correspondence:
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11
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Lee J, Khang D. Mucosal delivery of nanovaccine strategy against COVID-19 and its variants. Acta Pharm Sin B 2022; 13:S2211-3835(22)00489-0. [PMID: 36438851 PMCID: PMC9676163 DOI: 10.1016/j.apsb.2022.11.022] [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: 09/23/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Despite the global administration of approved COVID-19 vaccines (e.g., ChAdOx1 nCoV-19®, mRNA-1273®, BNT162b2®), the number of infections and fatalities continue to rise at an alarming rate because of the new variants such as Omicron and its subvariants. Including COVID-19 vaccines that are licensed for human use, most of the vaccines that are currently in clinical trials are administered via parenteral route. However, it has been proven that the parenteral vaccines do not induce localized immunity in the upper respiratory mucosal surface, and administration of the currently approved vaccines does not necessarily lead to sterilizing immunity. This further supports the necessity of a mucosal vaccine that blocks the main entrance route of COVID-19: nasal and oral mucosal surfaces. Understanding the mechanism of immune regulation of M cells and dendritic cells and targeting them can be another promising approach for the successful stimulation of the mucosal immune system. This paper reviews the basic mechanisms of the mucosal immunity elicited by mucosal vaccines and summarizes the practical aspects and challenges of nanotechnology-based vaccine platform development, as well as ligand hybrid nanoparticles as potentially effective target delivery agents for mucosal vaccines.
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Affiliation(s)
- Junwoo Lee
- College of Medicine, Gachon University, Incheon 21999, South Korea
| | - Dongwoo Khang
- College of Medicine, Gachon University, Incheon 21999, South Korea
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, South Korea
- Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, South Korea
- Department of Physiology, College of Medicine, Gachon University, Incheon 21999, South Korea
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12
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Balasubramaniyan M, Santhanam M, Vinayagam V, Perumal K. Immunomodulatory effects of chitosan nanoparticles as vaccine delivery agent against lymphatic filariasis through mucosal immunization. Int J Biol Macromol 2022; 222:2392-2398. [DOI: 10.1016/j.ijbiomac.2022.10.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/18/2022] [Accepted: 10/04/2022] [Indexed: 11/05/2022]
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13
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Elz AS, Trevaskis NL, Porter CJH, Bowen JM, Prestidge CA. Smart design approaches for orally administered lipophilic prodrugs to promote lymphatic transport. J Control Release 2021; 341:676-701. [PMID: 34896450 DOI: 10.1016/j.jconrel.2021.12.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/03/2021] [Accepted: 12/04/2021] [Indexed: 12/22/2022]
Abstract
Challenges to effective delivery of drugs following oral administration has attracted growing interest over recent decades. Small molecule drugs (<1000 Da) are generally absorbed across the gastrointestinal tract into the portal blood and further transported to the systemic circulation via the liver. This can result in a significant reduction to the oral bioavailability of drugs that are metabolically labile and ultimately lead to ineffective exposure and treatment. Targeting drug delivery to the intestinal lymphatics is attracting increased attention as an alternative route of drug transportation providing multiple benefits. These include bypassing hepatic first-pass metabolism and selectively targeting disease reservoirs residing within the lymphatic system. The particular physicochemical requirements for drugs to be able to access the lymphatics after oral delivery include high lipophilicity (logP>5) and high long-chain triglyceride solubility (> 50 mg/g), properties required to enable drug association with the lipoprotein transport pathway. The majority of small molecule drugs, however, are not this lipophilic and therefore not substantially transported via the intestinal lymph. This has contributed to a growing body of investigation into prodrug approaches to deliver drugs to the lymphatic system by chemical manipulation. Optimised lipophilic prodrugs have the potential to increase lymphatic transport thereby improving oral pharmacokinetics via a reduction in first pass metabolism and may also target of disease-specific reservoirs within the lymphatics. This may provide advantages for current pharmacotherapy approaches for a wide array of pathological conditions, e.g. immune disease, cancer and metabolic disease, and also presents a promising approach for advanced vaccination strategies. In this review, specific emphasis is placed on medicinal chemistry strategies that have been successfully employed to design lipophilic prodrugs to deliberately enable lymphatic transport. Recent progress and opportunities in medicinal chemistry and drug delivery that enable new platforms for efficacious and safe delivery of drugs are critically evaluated.
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Affiliation(s)
- Aurelia S Elz
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Natalie L Trevaskis
- Department of Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia.
| | - Christopher J H Porter
- Department of Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC 3052, Australia.
| | - Joanne M Bowen
- School of Biomedicine, The University of Adelaide, Adelaide, SA 5005, Australia.
| | - Clive A Prestidge
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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McCright J, Ramirez A, Amosu M, Sinha A, Bogseth A, Maisel K. Targeting the Gut Mucosal Immune System Using Nanomaterials. Pharmaceutics 2021; 13:pharmaceutics13111755. [PMID: 34834170 PMCID: PMC8619927 DOI: 10.3390/pharmaceutics13111755] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 12/20/2022] Open
Abstract
The gastrointestinal (GI) tract is one the biggest mucosal surface in the body and one of the primary targets for the delivery of therapeutics, including immunotherapies. GI diseases, including, e.g., inflammatory bowel disease and intestinal infections such as cholera, pose a significant public health burden and are on the rise. Many of these diseases involve inflammatory processes that can be targeted by immune modulatory therapeutics. However, nonspecific targeting of inflammation systemically can lead to significant side effects. This can be avoided by locally targeting therapeutics to the GI tract and its mucosal immune system. In this review, we discuss nanomaterial-based strategies targeting the GI mucosal immune system, including gut-associated lymphoid tissues, tissue resident immune cells, as well as GI lymph nodes, to modulate GI inflammation and disease outcomes, as well as take advantage of some of the primary mechanisms of GI immunity such as oral tolerance.
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15
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Sumaila M, Marimuthu T, Kumar P, Choonara YE. Lipopolysaccharide Nanosystems for the Enhancement of Oral Bioavailability. AAPS PharmSciTech 2021; 22:242. [PMID: 34595578 DOI: 10.1208/s12249-021-02124-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 08/23/2021] [Indexed: 11/30/2022] Open
Abstract
Nanosystems that incorporate both polymers and lipids have garnered attention as emerging nanotechnology approach for oral drug delivery. These hybrid systems leverage on the combined properties of polymeric and lipid-based nanocarriers while eliminating their inherent limitations. In view of the safety-related benefits of naturally occurring polymers, we have focused on systems incorporating polysaccharides and derivatives into the hybrid structure. The aim of this review is to evaluate existing biopolymers with specific focus on lipopolysaccharide hybrid systems and their advancement toward enhancing oral drug delivery. Furthermore, we shall identify future research areas that require further exploration toward achieving an optimized hybrid system for easy translation into clinical use. In this review, we have appraised formulations that combined polysaccharides/derivatives with lipids in a single nanocarrier system. These formulations were grouped into lipid-core-polysaccharide-shell systems, polysaccharide-core-lipid-shell systems, self-emulsifying lipopolysaccharide hybrid systems, and hybrid lipopolysaccharide matrix systems. In these systems, we highlighted how the polysaccharide phase enhances the oral absorption of encapsulated bioactives with regard to their function and mechanism. The various lipopolysaccharide designs presented in this review demonstrated significant improvement in pharmacokinetics of bioactives. A multitude of studies found lipopolysaccharide hybrid systems as nascent nanoplatforms for the oral delivery of challenging bioactives due to features that favor gastrointestinal absorption and bioavailability improvement. With future research already geared toward product optimization and scaling up processes, as well as detailed pharmacological and toxicology pre-clinical testing, these versatile systems will have remarkable impact in clinical application.
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16
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Zhang Z, Lu Y, Qi J, Wu W. An update on oral drug delivery via intestinal lymphatic transport. Acta Pharm Sin B 2021; 11:2449-2468. [PMID: 34522594 PMCID: PMC8424224 DOI: 10.1016/j.apsb.2020.12.022] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/14/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Orally administered drug entities have to survive the harsh gastrointestinal environment, penetrate the enteric epithelia and circumvent hepatic metabolism before reaching the systemic circulation. Whereas the gastrointestinal stability can be well maintained by taking proper measures, hepatic metabolism presents as a formidable barrier to drugs suffering from first-pass metabolism. The pharmaceutical academia and industries are seeking alternative pathways for drug transport to circumvent problems associated with the portal pathway. Intestinal lymphatic transport is emerging as a promising pathway to this end. In this review, we intend to provide an updated overview on the rationale, strategies, factors and applications involved in intestinal lymphatic transport. There are mainly two pathways for peroral lymphatic transport-the chylomicron and the microfold cell pathways. The underlying mechanisms are being unraveled gradually and nowadays witness increasing research input and applications.
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Key Words
- ACQ, aggregation-caused quenching
- ASRT, apical sodium-dependent bile acid transporter
- AUC, area under curve
- BCS, biopharmaceutics classification system
- CM, chylomicron
- Chylomicron
- DC, dendritic cell
- DDT, dichlorodiphenyltrichloroethane
- DTX, docetaxel
- Drug absorption
- Drug carriers
- Drug delivery
- FA, fatty acid
- FAE, follicle-associated epithelia
- FRET, Föster resonance energy transfer
- GIT, gastrointestinal tract
- HBsAg, hepatitis B surface antigen
- HIV, human immunodeficiency virus
- LDL, low-density lipoprotein
- LDV, Leu-Asp-Val
- LDVp, LDV peptidomimetic
- Lymphatic transport
- M cell, microfold cells
- MG, monoglyceride
- MPA, mycophenolic acid
- MPS, mononuclear phagocyte system
- Microfold cell
- Nanoparticles
- OA, oleate
- Oral
- PCL, polycaprolactone
- PEG-PLA, polyethylene glycol-poly(lactic acid)
- PEI, polyethyleneimine
- PLGA, poly(lactic-co-glycolic acid)
- PVA, poly(vinyl alcohol)
- RGD, Arg-Gly-Asp
- RGDp, RGD peptidomimetic
- SEDDS, self-emulsifying drug delivery system
- SLN, solid lipid nanoparticles
- SNEDDS, self-nanoemulsifying drug delivery system
- TEM, transmission electron microscopy
- TG, triglyceride
- TPGS, D-α-tocopherol polyethylene glycol 1000 succinate
- TU, testosterone undecanoate
- WGA, wheat germ agglutinin
- YCW, yeast cell wall
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Affiliation(s)
- Zichen Zhang
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jianping Qi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
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Minakshi P, Kumar R, Ghosh M, Brar B, Barnela M, Lakhani P. Application of Polymeric Nano-Materials in Management of Inflammatory Bowel Disease. Curr Top Med Chem 2021; 20:982-1008. [PMID: 32196449 DOI: 10.2174/1568026620666200320113322] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/25/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
Inflammatory Bowel Disease (IBD) is an umbrella term used to describe disorders that involve Crohn's disease (CD), ulcerative colitis (UC) and pouchitis. The disease occurrence is more prevalent in the working group population which not only hampers the well being of an individual but also has negative economical impact on society. The current drug regime used therapy is very costly owing to the chronic nature of the disease leading to several side effects. The condition gets more aggravated due to the lower concentration of drug at the desired site. Therefore, in the present scenario, a therapy is needed which can maximize efficacy, adhere to quality of life, minimize toxicity and doses, be helpful in maintaining and stimulating physical growth of mucosa with minimum disease complications. In this aspect, nanotechnology intervention is one promising field as it can act as a carrier to reduce toxicity, doses and frequency which in turn help in faster recovery. Moreover, nanomedicine and nanodiagnostic techniques will further open a new window for treatment in understanding pathogenesis along with better diagnosis which is poorly understood till now. Therefore the present review is more focused on recent advancements in IBD in the application of nanotechnology.
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Affiliation(s)
- Prasad Minakshi
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, India
| | - Rajesh Kumar
- Department of Veterinary Physiology & Biochemistry, LUVAS, Hisar-125 004, India
| | - Mayukh Ghosh
- Department of Veterinary Physiology and Biochemistry, RGSC, Banaras Hindu University, Mirzapur (UP) - 231001, India
| | - Basanti Brar
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, India
| | - Manju Barnela
- Department of Nano & Biotechnology, Guru Jambheshwar University, Hisar-125001, Haryana, India
| | - Preeti Lakhani
- Department of Veterinary Physiology & Biochemistry, LUVAS, Hisar-125 004, India
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Hakeem EA, El-Mahrouk GM, Abdelbary G, Teaima MH. Freeze-Dried Clopidogrel Loaded Lyotropic Liquid Crystal: Box-Behnken Optimization, In-Vitro and In-Vivo Evaluation. Curr Drug Deliv 2021; 17:207-217. [PMID: 31969101 DOI: 10.2174/1567201817666200122161433] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/20/2019] [Accepted: 12/31/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Clopidogrel (CLP) suffers from extensive first pass metabolism results in a negative impact on its oral systemic bioavailability. Cubosomes are Lyotropic Liquid Crystalline (LLC) nano-systems comprising monoolein, a steric stabilizer and an aqueous system, it considered a promising carrier for different pharmaceutical compounds. Box-Behnken Design (BBD) is an efficient tool for process analysis and optimization skipping forceful treatment combinations. OBJECTIVE The study was designed to develop freeze-dried clopidogrel loaded LLC (cubosomes) for enhancement of its oral bioavailability. METHODS A 33 BBD was adopted, the studied independent factors were glyceryl monooleate (GMO lipid phase), Pluronic F127 (PL F127steric stabilizer) and polyvinyl alcohol powder (stabilizer). Particle Size (PS), Polydispersity Index (PDI) and Zeta Potential (ZP) were set as independent response variables. Seventeen formulae were prepared in accordance with the bottom up approach and in-vitro evaluated regarding PS, PDI and ZP. Statistical analysis and optimization were achieved using design expert software®, then the optimum suggested formula was prepared, in-vitro revaluated, freeze-dried with 3% mannitol (cryoprotectant), solid state characterized and finally packed in hard gelatin capsule for comparative in-vitro release and in-vivo evaluation to Plavix®. RESULTS Results of statistical analysis of each individual response revealed a quadratic model for PS and PDI where a linear model for ZP. The optimum suggested formula with desirability factor equal 0.990 consisting of (200 mg GMO, 78.15 mg PL F127 and 2% PVA). LC/MS/MS study confirmed significant higher Cmax, AUC0-24h and AUC0-∞ than that of Plavix®. CONCLUSION The results confirm the capability of developed carrier to overcome the low oral bioavailability.
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Affiliation(s)
- Eman A Hakeem
- Department of pharmaceutics and pharmaceutical industry, Faculty of pharmacy, Cairo University, Cairo, Egypt
| | - Galal M El-Mahrouk
- Department of pharmaceutics and pharmaceutical industry, Faculty of pharmacy, Cairo University, Cairo, Egypt
| | - Ghada Abdelbary
- Department of pharmaceutics and pharmaceutical industry, Faculty of pharmacy, Cairo University, Cairo, Egypt
| | - Mahmoud H Teaima
- Department of pharmaceutics and pharmaceutical industry, Faculty of pharmacy, Cairo University, Cairo, Egypt
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19
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Shaker MA, Elbadawy HM, Al Thagfan SS, Shaker MA. Enhancement of atorvastatin oral bioavailability via encapsulation in polymeric nanoparticles. Int J Pharm 2020; 592:120077. [PMID: 33246047 DOI: 10.1016/j.ijpharm.2020.120077] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/07/2020] [Accepted: 11/08/2020] [Indexed: 01/08/2023]
Abstract
Despite the fact that atrovastatin (At) is being one of the bestselling statins used to prevent complicated cardiovascular diseases, its low oral bioavailability decreases its clinical relevance. Herein, incorporation of At into ethylcellulose nanoparticles (At-NPs) was executed to test if it would enhance its oral bioavailability. The emulsification-evaporation method was used to prepare the At-NPs. The prepared nanoparticles were characterized by measuring the particle size, zeta potential as well as using FTIR, DSC, and XRD examination. The entrapment efficiency, drug content, and the in vitro release behavior of At-NPs were also examined. The in vivo oral bioavailability of the selected At-NPs formula was tested after being given orally to New Zealand rabbits. The nanoparticles obtained had a high drug content and a distinct spherical shape but with varying sizes. No physical or chemical interactions were detected between At and the nanoparticles as confirmed by FTIR, DSC, and XRD. The in vitro release study of At from the prepared At-NPs has shown nanoparticles size-dependent release behavior. The in vivo oral absorption testing confirmed the bioavailability of the prepared At-NPs to be as follows: (Cmax = 940 ng/ml and AUC0-12 = 8759 ng.h/ml) > Lipitor® (Cmax = 635 ng/ml and AUC0-12 = 4367 ng.h/ml) > At (Cmax = 515 ng/ml and AUC0-12 = 2517 ng.h/ml). These results revealed that the oral formula of At-NPs increases the bioavailability of At 3.87 times. This makes ethylcellulose nanoparticles an esteemed candidate nano-vehicle for At, increasing its bioavailability and thus improving its clinical relevance.
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Affiliation(s)
- Mohamed A Shaker
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, PO Box 30040, Taibah University, Al-Madina Al-Munawara, Saudi Arabia; Pharmaceutics Department, Faculty of Pharmacy, Helwan University, PO Box 11795, Cairo, Egypt.
| | - Hossein M Elbadawy
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madina Al-Munawara, Saudi Arabia
| | - Sultan S Al Thagfan
- Clinical and Hospital Pharmacy Department, College of Pharmacy, Taibah University, Al-Madina Al-Munawara, Saudi Arabia
| | - Mahmoud A Shaker
- Department of Pharmaceutics, Faculty of Pharmacy, King Khalid University, Abha, Saudi Arabia
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20
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Pan J, Cui Z. Self-Assembled Nanoparticles: Exciting Platforms for Vaccination. Biotechnol J 2020; 15:e2000087. [PMID: 33411412 DOI: 10.1002/biot.202000087] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/25/2020] [Indexed: 12/14/2022]
Abstract
Vaccination is successfully advanced to control several fatal diseases and improve human life expectancy. However, additional innovations are required in this field because there are no effective vaccines to prevent some infectious diseases. The shift from the attenuated or inactivated pathogens to safer but less immunogenic protein or peptide antigens has led to a search for effective antigen delivery carriers that can function as both antigen vehicles and intrinsic adjuvants. Among these carriers, self-assembled nanoparticles (SANPs) have shown great potential to be the best representative. For the nanoscale and multiple presentation of antigens, with accurate control over size, geometry, and functionality, these nanoparticles are assembled spontaneously and mimic pathogens, resulting in enhanced antigen presentation and increased cellular and humoral immunity responses. In addition, they may be applied through needle-free routes due to their adhesive ability, which gives them a great future in vaccination applications. This review provides an overview of various SANPs and their applications in prophylactic vaccines.
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Affiliation(s)
- Jingdi Pan
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zongqiang Cui
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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21
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Lipopolysaccharide derived alginate coated Hepatitis B antigen loaded chitosan nanoparticles for oral mucosal immunization. Int J Biol Macromol 2020; 154:466-476. [DOI: 10.1016/j.ijbiomac.2020.03.124] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 03/13/2020] [Accepted: 03/14/2020] [Indexed: 02/08/2023]
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22
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Elicitation of Th1/Th2 related responses in mice by chitosan nanoparticles loaded with Brucella abortus malate dehydrogenase, outer membrane proteins 10 and 19. Int J Med Microbiol 2019; 310:151362. [PMID: 31676233 DOI: 10.1016/j.ijmm.2019.151362] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/04/2019] [Accepted: 10/10/2019] [Indexed: 11/22/2022] Open
Abstract
Brucella spp. is the causative agent of brucellosis, one of the worldwide diseases. The pathogen infects humans and animals mainly through the digestive or respiratory tract. Therefore, induction of mucosal immunity is required as the first line of defense. In this study, three Brucella abortus recombinant proteins, malate dehydrogenase (rMdh), outer membrane proteins (rOmp) 10 and 19 were loaded in mucoadhesive chitosan nanoparticles (CNs) and induction of mucosal and systemic immunity were investigated after intranasal immunization of BALB/c mice. These antigens were also coimmunized as cocktail (rCocktail) to evaluate multiple antigen specific vaccine candidates. At 6-weeks post-immunization (wpi), antigen specific total IgG was increased in all of the immunized groups, predominantly IgG1. In addition, spleenocyte from rMdh-, rOmp19-, and rCocktail-immunized groups significantly produced IFN-γ and IL-4 suggesting the induction of a mixed Th1-Th2 response. For mucosal immunity, anti-Mdh IgA from nasal washes and fecal excretions, and anti-Omps IgA from sera, nasal washes, genital secretions and fecal excretions were significantly increased in single antigen immunized groups. In the rCocktail-immunized group, anti-Mdh IgA were significantly increased while anti-Omps IgA was not. Collectively, this study indicates that comprise of B. abortus antigen-loaded CNs elicited the antigen-specific IgA with a Th2-polarized immune responses and combination of the highly immunogenic antigens elicited IgG specific to each type of antigen.
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23
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A Brief Review about the Role of Nanomaterials, Mineral-Organic Nanoparticles, and Extra-Bone Calcification in Promoting Carcinogenesis and Tumor Progression. Biomedicines 2019; 7:biomedicines7030065. [PMID: 31466331 PMCID: PMC6783842 DOI: 10.3390/biomedicines7030065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/04/2019] [Accepted: 08/21/2019] [Indexed: 02/05/2023] Open
Abstract
People come in contact with a huge number of nanoparticles (NPs) throughout their lives, which can be of both natural and anthropogenic origin and are capable of entering the body through swallowing, skin penetration, or inhalation. In connection with the expanding use of nanomaterials in various industrial processes, the question of whether there is a need to study the potentially adverse effects of NPs on human health becomes increasingly important. Despite the fact that the nature and the extent of damage caused depends on the chemical and the physical characteristics of individual NPs, there are also general mechanisms related to their toxicity. These mechanisms include the ability of NPs to translocate to various organs through endocytosis, as well as their ability to stimulate the production of reactive oxygen species (ROS), leading to oxidative stress, inflammation, genotoxicity, metabolic changes, and potentially carcinogenesis. In this review, we discuss the main characteristics of NPs and the effects they cause at both cellular and tissue levels. We also focus on possible mechanisms that underlie the relationship of NPs with carcinogenesis. We briefly summarize the main concepts related to the role of endogenous mineral organic NPs in the development of various human diseases and their participation in extra-bone calcification. Considering data from both our studies and those published in scientific literature, we propose the revision of some ideas concerning extra-bone calcification, since it may be one of the factors associated with the initiation of the mechanisms of immunological tolerance.
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Costa J, Ahluwalia A. Advances and Current Challenges in Intestinal in vitro Model Engineering: A Digest. Front Bioeng Biotechnol 2019; 7:144. [PMID: 31275931 PMCID: PMC6591368 DOI: 10.3389/fbioe.2019.00144] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/28/2019] [Indexed: 12/30/2022] Open
Abstract
The physiological environment of the intestine is characterized by its variegated composition, numerous functions and unique dynamic conditions, making it challenging to recreate the organ in vitro. This review outlines the requirements for engineering physiologically relevant intestinal in vitro models, mainly focusing on the importance of the mechano-structural cues that are often neglected in classic cell culture systems. More precisely: the topography, motility and flow present in the intestinal epithelium. After defining quantitative descriptors for these features, we describe the current state of the art, citing relevant approaches used to address one (or more) of the elements in question, pursuing a progressive conceptual construction of an "ideal" biomimetic intestinal model. The review concludes with a critical assessment of the currently available methods to summarize the important features of the intestinal tissue in the light of their different applications.
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Affiliation(s)
| | - Arti Ahluwalia
- Research Center “E. Piaggio” and Department of Information Engineering, University of Pisa, Pisa, Italy
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25
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Maghrebi S, Prestidge CA, Joyce P. An update on polymer-lipid hybrid systems for improving oral drug delivery. Expert Opin Drug Deliv 2019; 16:507-524. [PMID: 30957577 DOI: 10.1080/17425247.2019.1605353] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION A promising approach that has recently emerged to overcome the complex biobarriers and interrelated challenges associated with oral drug absorption is to combine the benefits of polymeric and lipid-based nanocarriers within one hybrid system. This multifaceted formulation strategy has given rise to a plethora of polymer-lipid hybrid (PLH) systems with varying nanostructures and biological activities, all of which have demonstrated the ability to improve the biopharmaceutical performance of a wide range of challenging therapeutics. AREAS COVERED The multitude of polymers that can be combined with lipids to exert a synergistic effect for oral drug delivery have been identified, reviewed and critically evaluated. Specific focus is attributed to preclinical studies performed within the past 5 years that have elucidated the role and mechanism of the polymer phase in altering the oral absorption of encapsulated therapeutics. EXPERT OPINION The potential of PLH systems has been clearly identified; however, improved understanding of the structure-activity relationship between PLH systems and oral absorption is fundamental for translating this promising delivery approach into a clinically relevant formulation. Advancing research within this field to identify optimal polymer, lipid combinations and engineering conditions for specific therapeutics are therefore encouraged.
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Affiliation(s)
- Sajedehsadat Maghrebi
- a School of Pharmacy and Medical Sciences , University of South Australia , Adelaide , South Australia , Australia.,b ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , University of South Australia , Adelaide , South Australia , Australia
| | - Clive A Prestidge
- a School of Pharmacy and Medical Sciences , University of South Australia , Adelaide , South Australia , Australia.,b ARC Centre of Excellence in Convergent Bio-Nano Science and Technology , University of South Australia , Adelaide , South Australia , Australia
| | - Paul Joyce
- c Department of Physics , Chalmers University of Technology , Gothenburg , Sweden
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Poovi G, Damodharan N. Lipid nanoparticles: A challenging approach for oral delivery of BCS Class-II drugs. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2018. [DOI: 10.1016/j.fjps.2018.04.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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27
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Islam MA, Firdous J, Badruddoza AZM, Reesor E, Azad M, Hasan A, Lim M, Cao W, Guillemette S, Cho CS. M cell targeting engineered biomaterials for effective vaccination. Biomaterials 2018; 192:75-94. [PMID: 30439573 DOI: 10.1016/j.biomaterials.2018.10.041] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/09/2018] [Accepted: 10/28/2018] [Indexed: 02/08/2023]
Abstract
Vaccines are one of the greatest medical interventions of all time and have been successful in controlling and eliminating a myriad of diseases over the past two centuries. Among several vaccination strategies, mucosal vaccines have wide clinical applications and attract considerable interest in research, showing potential as innovative and novel therapeutics. In mucosal vaccination, targeting (microfold) M cells is a frontline prerequisite for inducing effective antigen-specific immunostimulatory effects. In this review, we primarily focus on materials engineered for use as vaccine delivery platforms to target M cells. We also describe potential M cell targeting areas, methods to overcome current challenges and limitations of the field. Furthermore, we present the potential of biomaterials engineering as well as various natural and synthetic delivery technologies to overcome the challenges of M cell targeting, all of which are absent in current literature. Finally, we briefly discuss manufacturing and regulatory processes to bring a robust perspective on the feasibility and potential of this next-generation vaccine technology.
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Affiliation(s)
- Mohammad Ariful Islam
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
| | - Jannatul Firdous
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Abu Zayed Md Badruddoza
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Emma Reesor
- Department of Nanotechnology Engineering, University of Waterloo, Waterloo, Canada
| | - Mohammad Azad
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar; Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Michael Lim
- Department of Nanotechnology Engineering, University of Waterloo, Waterloo, Canada
| | - Wuji Cao
- Department of Nanotechnology Engineering, University of Waterloo, Waterloo, Canada
| | - Simon Guillemette
- Department of Nanotechnology Engineering, University of Waterloo, Waterloo, Canada
| | - Chong Su Cho
- Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 08826, South Korea.
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Pedata P, Ricci G, Malorni L, Venezia A, Cammarota M, Volpe MG, Iannaccone N, Guida V, Schiraldi C, Romano M, Iacomino G. In vitro intestinal epithelium responses to titanium dioxide nanoparticles. Food Res Int 2018; 119:634-642. [PMID: 30884698 DOI: 10.1016/j.foodres.2018.10.041] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 10/01/2018] [Accepted: 10/10/2018] [Indexed: 02/07/2023]
Abstract
Titanium dioxide (TiO2) is enclosed in many consumer products including pharmaceuticals, cosmetics, and foods. TiO2 (E171) is daily ingested as mixed nano- and submicron-sized particles since it is approved as a white colorant in Europe in a wide variety of food products, Noteworthy, the relevant risk assessment has never been satisfactorily concluded and growing alarms for human hazards deriving from TiO2 exposure are incrementally reported. The objective of the present study was to establish conceivable mechanisms by which nano-sized TiO2 particles affect physiological function of the intestinal epithelium layer. The well-established Caco-2 cell line differentiated for 21 days on permeable supports was used as a predictive model of the human intestinal mucosa to identify the biological response triggered by TiO2 particles. Exposure to 42 μg/mL TiO2 nanoparticles disrupted the tight junctions-permeability barrier with a prompt effect detectable after 4 h incubation time and wide effects on barrier integrity at 24 h. Transport and ultrastructural localization of TiO2 nanoparticles were determined by ICP-OES, TEM and ESI/EELS analysis, respectively. Nano-sized particles were efficiently internalized and preferentially entrapped by Caco-2 monolayers. Storage of TiO2 nanoparticles inside the cells affected enterocytes viability and triggered the production of pro-inflammatory cytokines, including TNF-α and IL-8. Taken together these data indicate that nano-sized TiO2 particles exert detrimental effects on the intestinal epithelium layer.
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Affiliation(s)
- Paola Pedata
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Giulia Ricci
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Livia Malorni
- Istituto di Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, Avellino, Italy
| | - Antonella Venezia
- Istituto di Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, Avellino, Italy
| | - Marcella Cammarota
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Maria Grazia Volpe
- Istituto di Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, Avellino, Italy
| | - Nunzia Iannaccone
- Istituto di Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, Avellino, Italy
| | - Vincenzo Guida
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Chiara Schiraldi
- Dipartimento di Medicina Sperimentale, Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Marco Romano
- Dipartimento di Internistica Clinica e Sperimentale "F. Magrassi", Università degli Studi della Campania Luigi Vanvitelli, Napoli, Italy
| | - Giuseppe Iacomino
- Istituto di Scienze dell'Alimentazione, Consiglio Nazionale delle Ricerche, Avellino, Italy.
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Kang SH, Hong SJ, Lee YK, Cho S. Oral Vaccine Delivery for Intestinal Immunity-Biological Basis, Barriers, Delivery System, and M Cell Targeting. Polymers (Basel) 2018; 10:E948. [PMID: 30960873 PMCID: PMC6403562 DOI: 10.3390/polym10090948] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/21/2018] [Accepted: 08/22/2018] [Indexed: 12/19/2022] Open
Abstract
Most currently available commercial vaccines are delivered by systemic injection. However, needle-free oral vaccine delivery is currently of great interest for several reasons, including the ability to elicit mucosal immune responses, ease of administration, and the relatively improved safety. This review summarizes the biological basis, various physiological and immunological barriers, current delivery systems with delivery criteria, and suggestions for strategies to enhance the delivery of oral vaccines. In oral vaccine delivery, basic requirements are the protection of antigens from the GI environment, targeting of M cells and activation of the innate immune response. Approaches to address these requirements aim to provide new vaccines and delivery systems that mimic the pathogen's properties, which are capable of eliciting a protective mucosal immune response and a systemic immune response and that make an impact on current oral vaccine development.
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Affiliation(s)
- Sung Hun Kang
- Department of Medical Sciences, College of Medicine, Hallym University, Chuncheon 24252, Korea.
| | - Seok Jin Hong
- Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University, Dongtan Sacred Heart Hospital, Hwaseong 18450, Korea.
| | - Yong-Kyu Lee
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju 27469, Korea.
- 4D Biomaterials Center, Korea National University of Transportation, Jeungpyeong 27909, Korea.
| | - Sungpil Cho
- 4D Biomaterials Center, Korea National University of Transportation, Jeungpyeong 27909, Korea.
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Managuli RS, Raut SY, Reddy MS, Mutalik S. Targeting the intestinal lymphatic system: a versatile path for enhanced oral bioavailability of drugs. Expert Opin Drug Deliv 2018; 15:787-804. [PMID: 30025212 DOI: 10.1080/17425247.2018.1503249] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION The major challenge of first pass metabolism in oral drug delivery can be surmounted by directing delivery toward intestinal lymphatic system (ILS). ILS circumvents the liver and transports drug directly into systemic circulation via thoracic duct. Lipid and polymeric nanoparticles are transported into ILS through lacteal and Peyer's patches. Moreover, surface modification of nanoparticles with ligand which is specific for Peyer's patches enhances the uptake of drugs into ILS. Bioavailability enhancement by lymphatic uptake is an advantageous approach adopted by scientists today. Therefore, it is important to understand clear insight of ILS in targeted drug delivery and challenges involved in it. AREAS COVERED Current review includes an overview of ILS, factors governing lymphatic transport of nanoparticles and absorption mechanism of lipid and polymeric nanoparticles into ILS. Various ligands used to target Peyer's patch and their conjugation strategies to nanoparticles are explained in detail. In vitro and in vivo models used to assess intestinal lymphatic transport of molecules are discussed further. EXPERT OPINION Although ILS offers a versatile pathway for nanotechnology based targeted drug delivery, extensive investigations on validation of the lymphatic transport models and on the strategies for gastric protection of targeted nanocarriers have to be perceived in for excellent performance of ILS in oral drug delivery.
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Affiliation(s)
- Renuka Suresh Managuli
- a Department of Pharmaceutics , Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education , Manipal Karnataka State , India
| | - Sushil Yadaorao Raut
- a Department of Pharmaceutics , Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education , Manipal Karnataka State , India
| | - Meka Sreenivasa Reddy
- a Department of Pharmaceutics , Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education , Manipal Karnataka State , India
| | - Srinivas Mutalik
- a Department of Pharmaceutics , Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education , Manipal Karnataka State , India
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Aijaz A, Li M, Smith D, Khong D, LeBlon C, Fenton OS, Olabisi RM, Libutti S, Tischfield J, Maus MV, Deans R, Barcia RN, Anderson DG, Ritz J, Preti R, Parekkadan B. Biomanufacturing for clinically advanced cell therapies. Nat Biomed Eng 2018; 2:362-376. [PMID: 31011198 PMCID: PMC6594100 DOI: 10.1038/s41551-018-0246-6] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 05/08/2018] [Indexed: 02/07/2023]
Abstract
The achievements of cell-based therapeutics have galvanized efforts to bring cell therapies to the market. To address the demands of the clinical and eventual commercial-scale production of cells, and with the increasing generation of large clinical datasets from chimeric antigen receptor T-cell immunotherapy, from transplants of engineered haematopoietic stem cells and from other promising cell therapies, an emphasis on biomanufacturing requirements becomes necessary. Robust infrastructure should address current limitations in cell harvesting, expansion, manipulation, purification, preservation and formulation, ultimately leading to successful therapy administration to patients at an acceptable cost. In this Review, we highlight case examples of cutting-edge bioprocessing technologies that improve biomanufacturing efficiency for cell therapies approaching clinical use.
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Affiliation(s)
- Ayesha Aijaz
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
| | - Matthew Li
- Department of Surgery, Center for Surgery, Innovation, and Bioengineering, Massachusetts General Hospital, Harvard Medical School and Shriners Hospitals for Children, Boston, MA, USA
| | - David Smith
- Hitachi Chemical Advanced Therapeutics Solutions, Allendale, NJ, USA
| | - Danika Khong
- Department of Surgery, Center for Surgery, Innovation, and Bioengineering, Massachusetts General Hospital, Harvard Medical School and Shriners Hospitals for Children, Boston, MA, USA
| | - Courtney LeBlon
- Hitachi Chemical Advanced Therapeutics Solutions, Allendale, NJ, USA
| | - Owen S Fenton
- Department of Chemical Engineering, Institute for Medical Engineering and Science, Division of Health Science and Technology, and the David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Ronke M Olabisi
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
| | | | - Jay Tischfield
- Human Genetics Institute of New Jersey, RUCDR, Piscataway, NJ, USA
| | - Marcela V Maus
- Cellular Immunotherapy Program, Cancer Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | | | | | - Daniel G Anderson
- Department of Chemical Engineering, Institute for Medical Engineering and Science, Division of Health Science and Technology, and the David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jerome Ritz
- Cell Manipulation Core Facility, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Harvard Stem Cell Institute, Cambridge, MA, USA
| | - Robert Preti
- Hitachi Chemical Advanced Therapeutics Solutions, Allendale, NJ, USA
| | - Biju Parekkadan
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA.
- Department of Surgery, Center for Surgery, Innovation, and Bioengineering, Massachusetts General Hospital, Harvard Medical School and Shriners Hospitals for Children, Boston, MA, USA.
- Sentien Biotechnologies, Inc, Lexington, MA, USA.
- Harvard Stem Cell Institute, Cambridge, MA, USA.
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Ismail S, Khattab A. Optimization of proniosomal itraconazole formulation using Box Behken design to enhance oral bioavailability. J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.03.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Qi J, Zhuang J, Lv Y, Lu Y, Wu W. Exploiting or overcoming the dome trap for enhanced oral immunization and drug delivery. J Control Release 2018; 275:92-106. [DOI: 10.1016/j.jconrel.2018.02.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 02/14/2018] [Accepted: 02/14/2018] [Indexed: 02/07/2023]
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Ganesh AN, Donders EN, Shoichet BK, Shoichet MS. Colloidal aggregation: from screening nuisance to formulation nuance. NANO TODAY 2018; 19:188-200. [PMID: 30250495 PMCID: PMC6150470 DOI: 10.1016/j.nantod.2018.02.011] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
It is well known that small molecule colloidal aggregation is a leading cause of false positives in early drug discovery. Colloid-formers are diverse and well represented among corporate and academic screening decks, and even among approved drugs. Less appreciated is how colloid formation by drug-like compounds fits into the wider understanding of colloid physical chemistry. Here we introduce the impact that colloidal aggregation has had on early drug discovery, and then turn to the physical and thermodynamic driving forces for small molecule colloidal aggregation, including the particulate nature of the colloids, their critical aggregation concentration-governed formation, their mechanism of protein adsorption and subsequent inhibition, and their sensitivity to detergent. We describe methods that have been used extensively to both identify aggregate-formers and to study and control their physical chemistry. While colloidal aggregation is widely recognized as a problem in early drug discovery, we highlight the opportunities for exploiting this phenomenon in biological milieus and for drug formulation.
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Affiliation(s)
- Ahil N. Ganesh
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, ON,Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, ON, Canada
| | - Eric N. Donders
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, ON,Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, ON, Canada
| | - Brian K. Shoichet
- Department of Pharmaceutical Chemistry, University of California – San Francisco, CA, USA
| | - Molly S. Shoichet
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, ON,Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, ON, Canada
- Department of Chemistry, University of Toronto, ON, Canada
- To whom correspondence should be addressed: Molly S. Shoichet, University of Toronto, 160 College Street, Room 514, Toronto, ON, Canada M5S 3E1,
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Bouwmeester H, van der Zande M, Jepson MA. Effects of food-borne nanomaterials on gastrointestinal tissues and microbiota. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 10:e1481. [PMID: 28548289 PMCID: PMC5810149 DOI: 10.1002/wnan.1481] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 05/02/2017] [Accepted: 05/04/2017] [Indexed: 12/26/2022]
Abstract
Ingestion of engineered nanomaterials is inevitable due to their addition to food and prevalence in food packaging and domestic products such as toothpaste and sun cream. In the absence of robust dosimetry and particokinetic data, it is currently challenging to accurately assess the potential toxicity of food-borne nanomaterials. Herein, we review current understanding of gastrointestinal uptake mechanisms, consider some data on the potential for toxicity of the most commonly encountered classes of food-borne nanomaterials (including TiO2 , SiO2, ZnO, and Ag nanoparticles), and discuss the potential impact of the luminal environment on nanoparticle properties and toxicity. Much of our current understanding of gastrointestinal nanotoxicology is derived from increasingly sophisticated epithelial models that augment in vivo studies. In addition to considering the direct effects of food-borne nanomaterials on gastrointestinal tissues, including the potential role of chronic nanoparticle exposure in development of inflammatory diseases, we also discuss the potential for food-borne nanomaterials to disturb the normal balance of microbiota within the gastrointestinal tract. The latter possibility warrants close attention given the increasing awareness of the critical role of microbiota in human health and the known impact of some food-borne nanomaterials on bacterial viability. WIREs Nanomed Nanobiotechnol 2018, 10:e1481. doi: 10.1002/wnan.1481 This article is categorized under: Toxicology and Regulatory Issues in Nanomedicine > Toxicology of Nanomaterials.
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Affiliation(s)
- Hans Bouwmeester
- Division of ToxicologyWageningen University and ResearchWageningenThe Netherlands
- RIKILT ‐ Wageningen University and ResearchWageningenThe Netherlands
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36
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Intranasal immunization with dry powder vaccines. Eur J Pharm Biopharm 2017; 122:167-175. [PMID: 29122735 DOI: 10.1016/j.ejpb.2017.11.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 10/30/2017] [Accepted: 11/03/2017] [Indexed: 12/22/2022]
Abstract
Vaccination represents a cost-effective weapon for disease prevention and has proven to dramatically reduce the incidences of several diseases that once were responsible for significant mortality and morbidity worldwide. The nasal cavity constitutes the initial stage of the respiratory system and the first contact with inhaled pathogens. The intranasal (IN) route for vaccine administration is an attractive alternative to injection, due to the ease of administration as well as better patient compliance. Many published studies have demonstrated the safety and effectiveness of IN immunization with liquid vaccines. Currently, two liquid IN vaccines are available and both contain live attenuated influenza viruses. FluMist® was approved in 2003 in the United States, and Nasovac® H1N1 vaccine was approved in India in 2010. Preclinical studies showed that IN immunization with dry powder vaccines (DPVs) is feasible. Although there is not a commercially available DPV yet, DPVs have the inherent advantage of being relatively more stable than liquid vaccines. This review focuses on recent developments of DPVs as next-generation IN vaccines.
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37
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Mady FM, Shaker MA. Enhanced anticancer activity and oral bioavailability of ellagic acid through encapsulation in biodegradable polymeric nanoparticles. Int J Nanomedicine 2017; 12:7405-7417. [PMID: 29066891 PMCID: PMC5644528 DOI: 10.2147/ijn.s147740] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Despite the fact that various studies have investigated the clinical relevance of ellagic acid (EA) as a naturally existing bioactive substance in cancer therapy, little has been reported regarding the efficient strategy for improving its oral bioavailability. In this study, we report the formulation of EA-loaded nanoparticles (EA-NPs) to find a way to enhance its bioactivity as well as bioavailability after oral administration. Poly(ε-caprolactone) (PCL) was selected as the biodegradable polymer for the formulation of EA-NPs through the emulsion–diffusion–evaporation technique. The obtained NPs have been characterized by measuring particle size, zeta potential, Fourier transform infrared, differential scanning calorimetry, and X-ray diffraction. The entrapment efficiency and the release profile of EA was also determined. In vitro cellular uptake and cytotoxicity of the obtained NPs were evaluated using Caco-2 and HCT-116 cell lines, respectively. Moreover, in vivo study has been performed to measure the oral bioavailability of EA-NPs compared to free EA, using New Zealand white rabbits. NPs with distinct shape were obtained with high entrapment and loading efficiencies. Diffusion-driven release profile of EA from the prepared NPs was determined. EA-NP-treated HCT-116 cells showed relatively lower cell viability compared to free EA-treated cells. Fluorometric imaging revealed the cellular uptake and efficient localization of EA-NPs in the nuclear region of Caco-2 cells. In vivo testing revealed that the oral administration of EA-NPs produced a 3.6 times increase in the area under the curve compared to that of EA. From these results, it can be concluded that incorporation of EA into PCL as NPs enhances its oral bioavailability and activity.
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Affiliation(s)
- Fatma M Mady
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, Taibah University, Al Madina Al Munawara, Saudi Arabia.,Pharmaceutics Department, Faculty of Pharmacy, Minia University, Minia
| | - Mohamed A Shaker
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy, Taibah University, Al Madina Al Munawara, Saudi Arabia.,Pharmaceutics Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
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Pokharkar V, Patil-Gadhe A, Kaur G. Physicochemical and pharmacokinetic evaluation of rosuvastatin loaded nanostructured lipid carriers: influence of long- and medium-chain fatty acid mixture. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2017. [DOI: 10.1007/s40005-017-0342-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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39
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Biswas N. Modified mesoporous silica nanoparticles for enhancing oral bioavailability and antihypertensive activity of poorly water soluble valsartan. Eur J Pharm Sci 2017; 99:152-160. [DOI: 10.1016/j.ejps.2016.12.015] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 10/20/2016] [Accepted: 12/15/2016] [Indexed: 01/07/2023]
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40
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Qiao H, Chen L, Rui T, Wang J, Chen T, Fu T, Li J, Di L. Fabrication and in vitro/in vivo evaluation of amorphous andrographolide nanosuspensions stabilized by d-α-tocopheryl polyethylene glycol 1000 succinate/sodium lauryl sulfate. Int J Nanomedicine 2017; 12:1033-1046. [PMID: 28223797 PMCID: PMC5304988 DOI: 10.2147/ijn.s120887] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Andrographolide (ADG) is a diterpenoid isolated from Andrographis paniculata with a wide spectrum of biological activities, including anti-inflammatory, anticancer and hepatoprotective effects. However, its poor water solubility and efflux by P-glycoprotein have resulted in lower bioavailability. In this study, ADG nanosuspensions (ADG-NS) were prepared using a wet media milling technique followed by freeze drying. d-α-Tocopheryl polyethylene glycol 1000 succinate (TPGS), a surfactant that inhibits P-glycoprotein function, and sodium lauryl sulfate were used as surface stabilizers. A Box-Behnken design was used to optimize the nanosuspension preparation. The products of these optimal preparation conditions were amorphous and possessed much faster dissolution in vitro than a coarse powder of ADG. The particle size and redispersibility index of the freeze-dried ADG-NS were 244.6±3.0 nm and 113%±1.14% (n=3), respectively. A short-term stability study indicated that the freeze-dried ADG-NS could remain highly stable as nanosuspensions during the testing period. A test of transport across a Caco-2 cell monolayer revealed that the membrane permeability (Papp) of ADG-NS was significantly higher than the permeability of the ADG coarse powder or ADG-NS without TPGS (P<0.01). Compared to the ADG coarse powder, a physical mixture, commercial dripping pills and ADG-NS without TPGS, ADG-NS exhibited significantly higher plasma exposure with significant enhancements in Cmax and area under the curve of plasma concentration versus time from zero to the last sampling time (AUC0-t ) (P<0.01). An evaluation of the anti-inflammatory effect on Carr-induced paw edema demonstrated that the ADG-NS were more effective in reducing the rate of paw swelling, producing a greater increase in the serum levels of nitric oxide (NO), Interleukin-1 (IL-1) and tumor necrosis factor-α (TNF-α) (P<0.01) and an increase in superoxide dismutase activity (P<0.05) compared to the ADG coarse powder. This study indicated that nanosuspensions could act as an effective delivery device for ADG to enhance its oral bioavailability and biological efficacy.
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Affiliation(s)
- Hongzhi Qiao
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Lihua Chen
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Tianqi Rui
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Jingxian Wang
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Ting Chen
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Tingming Fu
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Junsong Li
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
| | - Liuqing Di
- College of Pharmacy, Nanjing University of Chinese Medicine; Jiangsu Engineering Research Center for Efficient Delivery System of TCM, Nanjing
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Biswas N, Kuotsu K. Chronotherapeutically Modulated Pulsatile System of Valsartan Nanocrystals-an In Vitro and In Vivo Evaluation. AAPS PharmSciTech 2017; 18:349-357. [PMID: 26961969 DOI: 10.1208/s12249-016-0511-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 02/26/2016] [Indexed: 11/30/2022] Open
Abstract
The objective was to improve the dissolution of valsartan by developing valsartan nanocrystals and design a pulsed release system for the chronotherapy of hypertension. Valsartan nanocrystals were prepared by sonication-anti-solvent precipitation method and lyophilized to obtain dry powder. Nanocrystals were directly compressed to minitablets and coated to achieve pulsatile valsartan release. Pharmacokinetic profiles of optimized and commercial formulations were compared in rabbit model. The mean particle size and PDI of the optimized nanocrystal batch V4 was reported as 211 nm and 0.117, respectively. DSC and PXRD analysis confirmed the crystalline nature of valsartan in nanocrystals. The dissolution extent of valsartan was markedly enhanced with both nanocrystals and minitablets as compared to pure valsartan irrespective of pH of the medium. Core minitablet V4F containing 5% w/w polyplasdone XL showed quickest release of valsartan, over 90% within 15 min. Coated formulation CV4F showed two spikes in release profile after successive lag times of 235 and 390 min. The pharmacokinetic study revealed that the bioavailability of optimized formulation (72.90%) was significantly higher than the commercial Diovan tablet (30.18%). The accelerated stability studies showed no significant changes in physicochemical properties, release behavior, and bioavialability of CV4F formulation. The formulation was successfully designed to achieve enhanced bioavailability and dual pulsatile release. Bedtime dosing will more efficiently control the circadian spikes of hypertension in the morning.
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42
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Waghulde S, Naik P. An Overview of Therapeutic Applications. PHARMACEUTICAL SCIENCES 2017. [DOI: 10.4018/978-1-5225-1762-7.ch015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Over the last few years' great advances have been made on the development drug delivery systems for different purposes for targeting the diseased conditions. Novel drug delivery originates from polymers or associated with some devices is generally related with the emergence of novel characteristics. These changes are what eventually comprise the value of drug delivery system and Novel drug delivery system. Novel properties become existed without making new materials. Novel drug delivery system comparable to traditional system, following Targeted Drug Delivery System (TDDS) is also called targeting drug system. A new drug delivery system makes the drugs densely gather pathological-change structures, and has an improved healing effect and less toxic side effects. The drugs can improve the strength of pharmacological action and reduce the bad effect all over the body, for they release in the target organs.
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Hecq J, Amighi K, Goole J. Development and evaluation of insulin-loaded cationic solid lipid nanoparticles for oral delivery. J Drug Deliv Sci Technol 2016. [DOI: 10.1016/j.jddst.2016.10.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Thwala LN, Beloqui A, Csaba NS, González-Touceda D, Tovar S, Dieguez C, Alonso MJ, Préat V. The interaction of protamine nanocapsules with the intestinal epithelium: A mechanistic approach. J Control Release 2016; 243:109-120. [DOI: 10.1016/j.jconrel.2016.10.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 10/03/2016] [Accepted: 10/04/2016] [Indexed: 02/09/2023]
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Beloqui A, des Rieux A, Préat V. Mechanisms of transport of polymeric and lipidic nanoparticles across the intestinal barrier. Adv Drug Deliv Rev 2016; 106:242-255. [PMID: 27117710 DOI: 10.1016/j.addr.2016.04.014] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/27/2016] [Accepted: 04/16/2016] [Indexed: 01/02/2023]
Abstract
Unraveling the mechanisms of nanoparticle transport across the intestinal barrier is essential for designing more efficient nanoparticles for oral administration. The physicochemical parameters of the nanoparticles (e.g., size, surface charge, chemical composition) dictate nanoparticle fate across the intestinal barrier. This review aims to address the most important findings regarding polymeric and lipidic nanoparticle transport across the intestinal barrier, including the evaluation of critical physicochemical parameters of nanoparticles that affect nanocarrier interactions with the intestinal barrier.
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Shakya AK, Chowdhury MYE, Tao W, Gill HS. Mucosal vaccine delivery: Current state and a pediatric perspective. J Control Release 2016; 240:394-413. [PMID: 26860287 PMCID: PMC5381653 DOI: 10.1016/j.jconrel.2016.02.014] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 01/21/2016] [Accepted: 02/05/2016] [Indexed: 12/30/2022]
Abstract
Most childhood infections occur via the mucosal surfaces, however, parenterally delivered vaccines are unable to induce protective immunity at these surfaces. In contrast, delivery of vaccines via the mucosal routes can allow antigens to interact with the mucosa-associated lymphoid tissue (MALT) to induce both mucosal and systemic immunity. The induced mucosal immunity can neutralize the pathogen on the mucosal surface before it can cause infection. In addition to reinforcing the defense at mucosal surfaces, mucosal vaccination is also expected to be needle-free, which can eliminate pain and the fear of vaccination. Thus, mucosal vaccination is highly appealing, especially for the pediatric population. However, vaccine delivery across mucosal surfaces is challenging because of the different barriers that naturally exist at the various mucosal surfaces to keep the pathogens out. There have been significant developments in delivery systems for mucosal vaccination. In this review we provide an introduction to the MALT, highlight barriers to vaccine delivery at different mucosal surfaces, discuss different approaches that have been investigated for vaccine delivery across mucosal surfaces, and conclude with an assessment of perspectives for mucosal vaccination in the context of the pediatric population.
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Affiliation(s)
| | | | - Wenqian Tao
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
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Guha A, Biswas N, Bhattacharjee K, Sahoo N, Kuotsu K. pH responsive cylindrical MSN for oral delivery of insulin-design, fabrication and evaluation. Drug Deliv 2016; 23:3552-3561. [DOI: 10.1080/10717544.2016.1209796] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Affiliation(s)
| | | | - Kaustav Bhattacharjee
- Department of Metallurgical and Material Engineering, Jadavpur University, Kolkata, West Bengal, India
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48
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Solid nanoemulsion as antigen and immunopotentiator carrier for transcutaneous immunization. Cell Immunol 2016; 308:35-43. [DOI: 10.1016/j.cellimm.2016.06.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 05/06/2016] [Accepted: 06/01/2016] [Indexed: 01/17/2023]
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49
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Biological voyage of solid lipid nanoparticles: a proficient carrier in nanomedicine. Ther Deliv 2016; 7:691-709. [DOI: 10.4155/tde-2016-0038] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
This review projects the prospects and issues faced by solid lipid nanoparticles (SLNs) in current scenarios, specially related to its clinical implementation and effectiveness. We re-examine the basic concept of biobehavior and movement of SLNs as a nanomedicine carrier. The extensive survey of the uptake and absorption mechanism from different routes, distribution pattern, targeting efficiency, effect of surface functionalization on biodistribution, elimination pathways and toxic effects have been documented. In general, the objective of this review is to boost our knowledge about the interaction of SLNs with the bioenvironment, their movement in, and effect on, a living system and future prospects.
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50
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Microfabrication for Drug Delivery. MATERIALS 2016; 9:ma9080646. [PMID: 28773770 PMCID: PMC5509096 DOI: 10.3390/ma9080646] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 07/14/2016] [Accepted: 07/26/2016] [Indexed: 12/22/2022]
Abstract
This review is devoted to discussing the application of microfabrication technologies to target challenges encountered in life processes by the development of drug delivery systems. Recently, microfabrication has been largely applied to solve health and pharmaceutical science issues. In particular, fabrication methods along with compatible materials have been successfully designed to produce multifunctional, highly effective drug delivery systems. Microfabrication offers unique tools that can tackle problems in this field, such as ease of mass production with high quality control and low cost, complexity of architecture design and a broad range of materials. Presented is an overview of silicon- and polymer-based fabrication methods that are key in the production of microfabricated drug delivery systems. Moreover, the efforts focused on studying the biocompatibility of materials used in microfabrication are analyzed. Finally, this review discusses representative ways microfabrication has been employed to develop systems delivering drugs through the transdermal and oral route, and to improve drug eluting implants. Additionally, microfabricated vaccine delivery systems are presented due to the great impact they can have in obtaining a cold chain-free vaccine, with long-term stability. Microfabrication will continue to offer new, alternative solutions for the development of smart, advanced drug delivery systems.
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