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Pangua C, Espuelas S, Martínez-Ohárriz MC, Vizmanos JL, Irache JM. Mucus-penetrating and permeation enhancer albumin-based nanoparticles for oral delivery of macromolecules: Application to bevacizumab. Drug Deliv Transl Res 2024; 14:1189-1205. [PMID: 37880504 PMCID: PMC10984897 DOI: 10.1007/s13346-023-01454-0] [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] [Accepted: 10/16/2023] [Indexed: 10/27/2023]
Abstract
The oral administration of therapeutic proteins copes with important challenges (mainly degradation and poor absorption) making their potential therapeutic application extremely difficult. The aim of this study was to design and evaluate the potential of the combination between mucus-permeating nanoparticles and permeation enhancers as a carrier for the oral delivery of the monoclonal antibody bevacizumab, used as a model of therapeutic protein. For this purpose, bevacizumab was encapsulated in PEG-coated albumin nanoparticles as a hydrophobic ion-pairing complex with either sodium deoxycholate (DS) or sodium docusate (DOCU). In both cases, complex formation efficiencies close to 90% were found. The incorporation of either DS or DOCU in PEG-coated nanoparticles significantly increased their mean size, particularly when DOCU was used. Moreover, the diffusion in mucus of DOCU-loaded nanoparticles was significantly reduced, compared with DS ones. In a C. elegans model, DS or DOCU (free or nanoencapsulated) disrupted the intestinal epithelial integrity, but the overall survival of the worms was not affected. In rats, the relative oral bioavailability of bevacizumab incorporated in PEG-coated nanoparticles as a complex with DS (B-DS-NP-P) was 3.7%, a 1000-fold increase compared to free bevacizumab encapsulated in nanoparticles (B-NP-P). This important effect of DS may be explained not only by its capability to transiently disrupt tight junctions but also to their ability to increase the fluidity of membranes and to inhibit cytosolic and brush border enzymes. In summary, the current strategy may be useful to allow the therapeutic use of orally administered proteins, including monoclonal antibodies.
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Affiliation(s)
- Cristina Pangua
- NANO-VAC Research Group, Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, 31008, Pamplona, Spain
| | - Socorro Espuelas
- NANO-VAC Research Group, Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, 31008, Pamplona, Spain
| | | | - José Luis Vizmanos
- Department of Biochemistry & Genetics, School of Sciences, University of Navarra, 31008, Pamplona, Spain
| | - Juan M Irache
- NANO-VAC Research Group, Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, 31008, Pamplona, Spain.
- Institute for Health Research (IdiSNA), 31008, Pamplona, Spain.
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2
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Song YH, Cho HM, Ryu YC, Hwang BH, Seo JH. Electrosprayable Levan-Coated Nanoclusters and Ultrasound-Responsive Drug Delivery for Cancer Therapy. ACS APPLIED MATERIALS & INTERFACES 2024; 16:21509-21521. [PMID: 38642038 DOI: 10.1021/acsami.3c18774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/22/2024]
Abstract
In this study, we synthesized levan shell hydrophobic silica nanoclusters encapsulating doxorubicin (L-HSi-Dox) and evaluated their potential as ultrasound-responsive drug delivery systems for cancer treatment. L-HSi-Dox nanoclusters were successfully fabricated by integrating a hydrophobic silica nanoparticle-doxorubicin complex as the core and an amphiphilic levan carbohydrate polymer as the shell by using an electrospray technique. Characterization analyses confirmed the stability, size, and composition of the nanoclusters. In particular, the nanoclusters exhibited a controlled release of Dox under aqueous conditions, demonstrating their potential as efficient drug carriers. The levanic groups of the nanoclusters enhanced the targeted delivery of Dox to specific cancer cells. Furthermore, the synergism between the nanoclusters and ultrasound effectively reduced cell viability and induced cell death, particularly in the GLUT5-overexpressing MDA-MB-231 cells. In a tumor xenograft mouse model, treatment with the nanoclusters and ultrasound significantly reduced the tumor volume and weight without affecting the body weight. Collectively, these results highlight the potential of the L-HSi-Dox nanoclusters and ultrasound as promising drug delivery systems with an enhanced therapeutic efficacy for biomedical applications.
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Affiliation(s)
- Young Hoon Song
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, South Korea
| | - Hye Min Cho
- Department of Bioengineering and Nano-bioengineering, Incheon National University, Incheon 22012, South Korea
| | - Yeong Chae Ryu
- Department of Bioengineering and Nano-bioengineering, Incheon National University, Incheon 22012, South Korea
| | - Byeong Hee Hwang
- Department of Bioengineering and Nano-bioengineering, Incheon National University, Incheon 22012, South Korea
- Division of Bioengineering, Incheon National University, Incheon 22012, South Korea
| | - Jeong Hyun Seo
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, South Korea
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3
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Preeti, Sambhakar S, Malik R, Bhatia S, Harrasi AA, Saharan R, Aggarwal G, Kumar S, Sehrawat R, Rani C. Lipid Horizons: Recent Advances and Future Prospects in LBDDS for Oral Administration of Antihypertensive Agents. Int J Hypertens 2024; 2024:2430147. [PMID: 38410720 PMCID: PMC10896658 DOI: 10.1155/2024/2430147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 12/20/2023] [Accepted: 01/18/2024] [Indexed: 02/28/2024] Open
Abstract
The lipid-based drug delivery system (LBDDS) is a well-established technique that is anticipated to bring about comprehensive transformations in the pharmaceutical field, impacting the management and administration of drugs, as well as treatment and diagnosis. Various LBDDSs verified to be an efficacious mechanism for monitoring hypertension systems are SEDDS (self-nano emulsifying drug delivery), nanoemulsion, microemulsions, vesicular systems (transferosomes and liposomes), and solid lipid nanoparticles. LBDDSs overcome the shortcomings that are associated with antihypertensive agents because around fifty percent of the antihypertensive agents experience a few drawbacks including short half-life because of hepatic first-pass metabolism, poor aqueous solubility, low permeation rate, and undesirable side effects. This review emphasizes antihypertensive agents that were encapsulated into the lipid carrier to improve their poor oral bioavailability. Incorporating cutting-edge technologies such as nanotechnology and targeted drug delivery, LBDDS holds promise in addressing the multifactorial nature of hypertension. By fine-tuning drug release profiles and enhancing drug uptake at specific sites, LBDDS can potentially target renin-angiotensin-aldosterone system components, sympathetic nervous system pathways, and endothelial dysfunction, all of which play crucial roles in hypertension pathophysiology. The future of hypertension management using LBDDS is promising, with ongoing reviews focusing on precision medicine approaches, improved biocompatibility, and reduced toxicity. As we delve deeper into understanding the intricate mechanisms underlying hypertension, LBDDS offers a pathway to develop next-generation antihypertensive therapies that are safer, more effective, and tailored to individual patient needs.
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Affiliation(s)
- Preeti
- Banasthali Vidyapith, Vanasthali Road, Aliyabad 304022, Rajasthan, India
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar 122506, Haryana, India
| | - Sharda Sambhakar
- Banasthali Vidyapith, Vanasthali Road, Aliyabad 304022, Rajasthan, India
| | - Rohit Malik
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar 122506, Haryana, India
- SRM Modinagar College of Pharmacy, SRMIST, Delhi-NCR Campus, Ghaziabad, India
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Centre, University of Nizwa, Birkat Al Mouz, Nizwa, Oman
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Ahmed Al Harrasi
- Natural & Medical Sciences Research Centre, University of Nizwa, Birkat Al Mouz, Nizwa, Oman
| | - Renu Saharan
- Banasthali Vidyapith, Vanasthali Road, Aliyabad 304022, Rajasthan, India
- Maharishi Markandeshwar Deemed to be University, Mullana, Ambala 133203, Haryana, India
| | - Geeta Aggarwal
- Banasthali Vidyapith, Vanasthali Road, Aliyabad 304022, Rajasthan, India
| | - Suresh Kumar
- Bharat Institute of Pharmacy, Pehladpur, Babain, Kurukshetra 136132, Haryana, India
| | - Renu Sehrawat
- School of Medical & Allied Sciences, K. R. Mangalam University, Gurugram, Haryana 122103, India
| | - Chanchal Rani
- Gurugram Global College of Pharmacy, Haily Mandi Rd, Farukh Nagar 122506, Haryana, India
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4
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Ye ZW, Yang QY, Lin QH, Liu XX, Li FQ, Xuan HD, Bai YY, Huang YP, Wang L, Wang F. Progress of nanopreparation technology applied to volatile oil drug delivery systems. Heliyon 2024; 10:e24302. [PMID: 38293491 PMCID: PMC10825498 DOI: 10.1016/j.heliyon.2024.e24302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Traditional Chinese medicine volatile oil has a long history and possesses extensive pharmacological activity. However, volatile oils have characteristics such as strong volatility, poor water solubility, low bioavailability, and poor targeting, which limit their application. The use of volatile oil nano drug delivery systems can effectively improve the drawbacks of volatile oils, enhance their bioavailability and chemical stability, and reduce their volatility and toxicity. This article first introduces the limitations of the components of traditional Chinese medicine volatile oils, discusses the main classifications and latest developments of volatile oil nano formulations, and briefly describes the preparation methods of traditional Chinese medicine volatile oil nano formulations. Secondly, the limitations of nano formulation technology are discussed, along with future challenges and prospects. A deeper understanding of the role of nanotechnology in traditional Chinese medicine volatile oils will contribute to the modernization of volatile oils and broaden their application value.
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Affiliation(s)
- Zu-Wen Ye
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Qi-Yue Yang
- Affiliated Hospital of Chengdu University of Chinese Medicine, 610072, China
| | - Qiao-Hong Lin
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Xiao-Xia Liu
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Feng-Qin Li
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Hong-Da Xuan
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Ying-Yan Bai
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Ya-Peng Huang
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Le Wang
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
| | - Fang Wang
- Cancer Research Centre, Jiangxi University of Chinese Medicine, 330004, China
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5
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Margaroni M, Tsanaktsidou E, Agallou M, Kiparissides C, Kammona O, Karagouni E. Development of a novel squalene/α-tocopherol-based self-emulsified nanoemulsion incorporating Leishmania peptides for induction of antigen-specific immune responses. Int J Pharm 2024; 649:123621. [PMID: 38000650 DOI: 10.1016/j.ijpharm.2023.123621] [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: 07/25/2023] [Revised: 11/02/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023]
Abstract
Vaccination has emerged as the most effective strategy to confront infectious diseases, among which is leishmaniasis, that threat public health. Despite laborious efforts there is still no vaccine for humans to confront leishmaniasis. Multi-epitope protein/peptide vaccines present a number of advantages, however their use along with appropriate adjuvants that may also act as antigen carriers is considered essential to overcome subunit vaccines' low immunogenicity. In the present study, a stable self-emulsified nanoemulsion was developed and double-adjuvanted with squalene and α-tocopherol. The prepared nanoemulsion droplets exhibited low cytotoxicity in a certain range of concentrations, while they were efficiently taken up by macrophages and dendritic cells in vitro as well as in vivo in secondary lymphoid organs. To further characterize nanoformulation's potent antigen delivery capability, three multi-epitope Leishmania peptides were incorporated into the nanoemulsion. Peptide encapsulation resulted in dendritic cells' functional differentiation characterized by elevated levels of maturation markers and intracellular cytokine production. Intramuscular administration of the nanoemulsion incorporating Leishmania peptides induced antigen-specific spleen cell proliferation as well as elicitation of CD4+ central memory cells, supporting the potential of the developed nanoformulation to successfully act also as an antigen delivery vehicle and thus encouraging further preclinical studies on its vaccine candidate potency.
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Affiliation(s)
- Maritsa Margaroni
- Immunology of Infection Laboratory, Hellenic Pasteur Institute, 125 21 Athens, Greece.
| | - Evgenia Tsanaktsidou
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas, P.O. Box 60361, 57 001 Thessaloniki, Greece.
| | - Maria Agallou
- Immunology of Infection Laboratory, Hellenic Pasteur Institute, 125 21 Athens, Greece.
| | - Costas Kiparissides
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas, P.O. Box 60361, 57 001 Thessaloniki, Greece; Department of Chemical Engineering, Aristotle University of Thessaloniki, P.O. Box 472, 54 124 Thessaloniki, Greece.
| | - Olga Kammona
- Chemical Process & Energy Resources Institute, Centre for Research and Technology Hellas, P.O. Box 60361, 57 001 Thessaloniki, Greece.
| | - Evdokia Karagouni
- Immunology of Infection Laboratory, Hellenic Pasteur Institute, 125 21 Athens, Greece.
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Alyami MH, Musallam AA, Ibrahim TM, Mahdy MA, Elnahas HM, Aldeeb RA. The Exploitation of pH-Responsive Eudragit-Coated Mesoporous Silica Nanostructures in the Repurposing of Terbinafine Hydrochloride for Targeted Colon Cancer Inhibition: Design Optimization, In Vitro Characterization, and Cytotoxicity Assessment. Pharmaceutics 2023; 15:2677. [PMID: 38140018 PMCID: PMC10747614 DOI: 10.3390/pharmaceutics15122677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/13/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Targeted drug delivery is achieving great success in cancer therapy due to its potential to deliver drugs directly to the action site. Terbinafine hydrochloride (TER) is a broad-spectrum anti-fungal drug that has been found to have some potential anti-tumor effects in the treatment of colon cancer. We aimed here to design and develop pH-sensitive Eudragit (Eud)-coated mesoporous silica nanostructures (MSNs) to control drug release in response to changes in pH. The diffusion-supported loading (DiSupLo) technique was applied for loading TER into the MSNs. The formulation was optimized by a D-optimal design, which permits the concurrent assessment of the influence of drug/MSN%, coat concentration, and MSN type on the drug entrapment efficiency (EE) and its release performance. The optimal formula displayed a high EE of 96.49%, minimizing the release in pH 1.2 to 16.15% and maximizing the release in pH 7.4 to 78.09%. The cytotoxicity of the optimal formula on the colon cancer cells HT-29 was higher than it was with TER alone by 2.8-fold. Apoptosis in cancer cells exposed to the optimum formula was boosted as compared to what it was with the plain TER by 1.2-fold and it was more efficient in arresting cells during the G0/G1 and S stages of the cell cycle. Accordingly, the repurposing of TER utilizing Eud/MSNs is a promising technique for targeted colon cancer therapy.
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Affiliation(s)
- Mohammad H. Alyami
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran 66462, Saudi Arabia
| | - Abeer A. Musallam
- Department of Pharmaceutics, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, 6th of October City 12582, Egypt
| | - Tarek M. Ibrahim
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Mahmoud A. Mahdy
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Hanan M. Elnahas
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Reem A. Aldeeb
- Department of Pharmaceutics, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, 6th of October City 12582, Egypt
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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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Tampucci S, Monti D, Burgalassi S, Terreni E, Paganini V, Di Gangi M, Chetoni P. Binary Polymeric Surfactant Mixtures for the Development of Novel Loteprednol Etabonate Nanomicellar Eyedrops. Pharmaceuticals (Basel) 2023; 16:864. [PMID: 37375811 DOI: 10.3390/ph16060864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
The treatment of several ocular inflammatory conditions affecting different areas of the ocular globe involves the administration of topical ophthalmic formulations containing corticosteroids. This research was aimed at evaluating the solubilising efficacy of 5.0% w/w of different binary mixtures of commercial amphiphilic polymeric surfactants with the purpose of obtaining nanomicellar solutions containing a high amount of loteprednol etabonate (LE). The selected LE-TPGS/HS nanomicelles, containing 0.253 mg/mL of the drug, had a small size (=13.57 nm) and uniform distribution (Polydispersity Index = 0.271), appeared completely transparent and perfectly filterable through 0.2 μm membrane filter, and remained stable up to 30 days at 4 °C. The critical micellar concentration (CMCTPGS/HS) was 0.0983 mM and the negative value of the interaction parameter between the polymeric-surfactant-building unit (βTPGS/HS = -0.1322) confirmed the ability of the polymeric surfactants to interact, favouring the dissolution of LE into nanomicelles. The disappearance of the endothermic peak of LE in the DSC analysis confirmed the interactions of LE with the polymeric surfactants. LE-TPGS/HS produced in vitro LE which sustained diffusion for 44 h (more than 40% of encapsulated LE). Furthermore, the lack of a significant cytotoxic effect on a sensitive corneal epithelial cell line makes it a candidate for further biological studies.
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Affiliation(s)
- Silvia Tampucci
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Italian Inter-University Center for the Promotion of the 3Rs in Teaching and Research, University of Pisa, 56122 Pisa, Italy
| | - Daniela Monti
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Italian Inter-University Center for the Promotion of the 3Rs in Teaching and Research, University of Pisa, 56122 Pisa, Italy
| | - Susi Burgalassi
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Italian Inter-University Center for the Promotion of the 3Rs in Teaching and Research, University of Pisa, 56122 Pisa, Italy
| | | | | | | | - Patrizia Chetoni
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Italian Inter-University Center for the Promotion of the 3Rs in Teaching and Research, University of Pisa, 56122 Pisa, Italy
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Ji YB, Lee HY, Lee S, Kim YH, Na K, Kim JH, Choi S, Kim MS. Electrostatically optimized adapalene-loaded emulsion for the treatment of acne vulgaris. Mater Today Bio 2022; 16:100339. [PMID: 35799897 PMCID: PMC9254491 DOI: 10.1016/j.mtbio.2022.100339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/17/2022] [Accepted: 06/18/2022] [Indexed: 11/02/2022] Open
Abstract
Adapalene (AD) is an FDA-approved drug that shows good therapeutic efficacy for the treatment of acne vulgaris. However, due to its negative charge, AD cannot efficiently penetrate across the also negatively-charged skin membrane. This study is the first to assess the treatment of acne vulgaris using electrostatically optimized AD emulsions prepared using anionic AD with methoxy polyethylene glycol-b-poly(ε-caprolactone) (MC) as an anionic emulsifier coupled with a newly synthesized MC with different contents of an amine pendant-group (MC-[NH2]x) as a cationic emulsifier. The AD emulsion prepared using MC-[NH2]x with high cationic charge potential was significantly stable in the short-term studies compared with anionic MC or no emulsifier. Furthermore, the AD emulsion prepared with the cationic MC-[NH2]x emulsifier provided a two or three times stronger therapeutic effect against acne vulgaris than the AD emulsion prepared with the anionic MC emulsifier or no emulsifier in an animal study. Additionally, the AD emulsion with high cationic charge potential exerted a remarkable inhibition of macrophage expression, as confirmed by histological analysis. Therefore, the electrostatic interaction between the negatively-charged skin membrane and the AD emulsion prepared with the cationic MC-[NH2]x emulsifier provides a promising therapeutic strategy for acne vulgaris. Amphiphilic copolymer (MC) with different of amine contents (MC-[NH2]x) was synthesized as a cationic emulsifier. AD emulsion prepared with MC-[NH2]x provided an efficient therapeutic effect for the treatment of acne vulgaris. Electrostatically optimized adapalene (AD) emulsions prepared using MC-[NH2]x for the treatment of acne vulgaris.
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Tasleem, Shanthi N, Mahato AK, Bahuguna R. Oral delivery of butoconazole nitrate nanoparticles for systemic treatment of chronic paracoccidioidomycosis: A future aspect. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Mahmood A, Haneef R, Al Meslamani AZ, Bostanudin MF, Sohail M, Sarfraz M, Arafat M. Papain-Decorated Mucopenetrating SEDDS: A Tentative Approach to Combat Absorption Issues of Acyclovir via the Oral Route. Pharmaceutics 2022; 14:pharmaceutics14081584. [PMID: 36015210 PMCID: PMC9412565 DOI: 10.3390/pharmaceutics14081584] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of the current study was to enhance the oral bioavailability of Acyclovir (ACV) based on the papain-functionalized self-emulsifying drug delivery systems (SEDDS). The optimum control SEDDS formulation comprised of kolliphore (40%), transcutol (30%), propylene glycol (20%) and oleoyl chloride (10%). However, in the targeted SEDDS formulation, oleoyl chloride was replaced with oleoyl chloride-papain (OC-PAP) conjugate that was synthesized via an amide bond formation between the acyl halide groups of oleoyl chloride and the amino group of papain. Prior to adding in the SEDDS formulation, the newly synthesized conjugate was evaluated quantitatively by a Bradford assay that demonstrated 45 µg of papain contents per mg of the conjugate. Moreover, the conjugate formation was qualitatively confirmed through FTIR analysis and thin layer chromatography. ACV (a BCS class III drug) was incorporated into the SEDDS formulations after being hydrophobically ion paired with sodium deoxycholate, thereby making it lipophilic. The drug-loaded formulations were emulsified in the 0.1 M phosphate buffer (pH 6.8) and evaluated in vitro with respect to drug release and rabbit mucosal permeation studies. Both the formulations illustrated a very comparable drug release over a period of 4 h, afterwards, the OC-PAP-based formulation demonstrated a more sustaining effect. The extent of mucus diffusion evaluated via the silicon tube method demonstrated a 4.92-fold and a 1.46-fold higher penetration of the drug, a 3.21-fold and a 1.56-fold higher permeation through the rabbit intestinal mucus layer, and a 22.94-fold and a 2.27-fold higher retention of the drug over the intact mucosa of rabbit intestine, illustrated by OC-PAP-based nanoemulsions compared to the drug-free solution and controlled nanoemulsion, respectively. According to these in vitro results, papain-functionalized SEDDS is a promising approach for the oral delivery of ACV and many other drugs with oral bioavailability issues, however, in vivo studies in this respect have to be employed before making a comprehensive conclusion.
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Affiliation(s)
- Arshad Mahmood
- College of Pharmacy, Al Ain University, Abu Dhabi Campus, Abu Dhabi P.O. Box 112612, United Arab Emirates; (A.Z.A.M.); (M.F.B.)
- AAU Health and Biomedical Research Center (HBRC), Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates; (M.S.); (M.A.)
- Correspondence:
| | - Rabbia Haneef
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan; (R.H.); (M.S.)
| | - Ahmad Z. Al Meslamani
- College of Pharmacy, Al Ain University, Abu Dhabi Campus, Abu Dhabi P.O. Box 112612, United Arab Emirates; (A.Z.A.M.); (M.F.B.)
- AAU Health and Biomedical Research Center (HBRC), Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates; (M.S.); (M.A.)
| | - Mohammad F. Bostanudin
- College of Pharmacy, Al Ain University, Abu Dhabi Campus, Abu Dhabi P.O. Box 112612, United Arab Emirates; (A.Z.A.M.); (M.F.B.)
- AAU Health and Biomedical Research Center (HBRC), Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates; (M.S.); (M.A.)
| | - Muhammad Sohail
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan; (R.H.); (M.S.)
| | - Muhammad Sarfraz
- AAU Health and Biomedical Research Center (HBRC), Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates; (M.S.); (M.A.)
- College of Pharmacy, Al Ain University, Al Ain P.O. Box 64141, United Arab Emirates
| | - Mosab Arafat
- AAU Health and Biomedical Research Center (HBRC), Al Ain University, Abu Dhabi P.O. Box 112612, United Arab Emirates; (M.S.); (M.A.)
- College of Pharmacy, Al Ain University, Al Ain P.O. Box 64141, United Arab Emirates
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12
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Development of Self-Emulsifying Drug Delivery Systems (SEDDSs) Displaying Enhanced Permeation of the Intestinal Mucus Following Sustained Release of Prototype Thiol-Based Mucolytic Agent Load. Molecules 2022; 27:molecules27144611. [PMID: 35889482 PMCID: PMC9315686 DOI: 10.3390/molecules27144611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/09/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023] Open
Abstract
In this study, mucoactive self-emulsifying drug delivery systems (SEDDSs) based on sustained release of N-acetylcysteine (NAC) were developed for providing effective intestinal mucopermeation. Polymeric ionic complexes of NAC were formed with polyethyleneimine (PEI), Eudragit E 100, and Eudragit RS 100 and loaded into a novel SEDDS. The SEDDSs exhibited a stable average size of 75 ± 12 nm (polydispersity index (PDI) < 0.3) and showed a rise in the zeta potential from −17.31 mV to −7.72 mV. On Caco-2 cells, SEDDSs at 1−3% were non-cytotoxic. An average of 91.8 ± 5.4% NAC was released from SEDDSs containing Eudragit E 100 (p ≤ 0.05) and Eudragit RS 100 (p ≤ 0.001) complexes at a significantly slower rate within 80 min, whereas the SEDDS containing PEI released NAC in a matter of seconds. Similarly, the SEDDS complexes revealed a time-dependent reduction in mucus dynamic viscosity of 52.6 ± 19.9%. Consequently, as compared with a blank SEDDS, mucodiffusion revealed about 2- and 1.8-fold significantly greater mucopermeation of SEDDSs anchoring Eudragit E 100−NAC and RS 100−NAC complexes (p ≤ 0.05), respectively. The mucoactive SEDDSs, which steadily released NAC while permeating the mucus, were linked to a significantly increased mucopermeation in vitro as a result of optimal mucolytic targeting.
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13
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Poudwal S, Shende P. Multi-strategic approaches for enhancing active transportation using self-emulsifying drug delivery system. J Drug Target 2022; 30:726-736. [PMID: 35451898 DOI: 10.1080/1061186x.2022.2069783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Oral delivery is the most desired route of drug administration and it can be more beneficial for patients suffering from chronic diseases wherein frequent parenteral administration of proteins such as insulin and calcitonin is required. The BCS class II drugs show low aqueous solubility and high permeability whereas BCS class IV drugs suffer from low aqueous solubility and low permeability. Additionally, biologic drugs are highly sensitive to presence of bioenzymes and bile salts when administered orally. Self-emulsifying drug delivery system (SEDDS) is a thermodynamically stable lipid formulation that enhances oral absorption of active ingredients via the opening of tight junctions, increasing the membrane fluidity, and thus overcomes the physiological barriers like viscous mucus layer, strong acid conditions and enzymatic degradation. An understanding of different theories that govern SEDDS formation and drug release can help in formulating a highly stable and effective drug delivery system. Poorly permeable drugs such as chlorpromazine require modification using methods like hydrophobic ion pairing, complexation with phospholipids, etc. to enable high entrapment efficiency which is discussed in the article. Additionally, the article gives an overview of the influence of polymers, length of fatty acids chain and zeta potential in enhancing permeation across the intestinal membrane.
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Affiliation(s)
- Swapna Poudwal
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Pravin Shende
- Shobhaben Pratapbhai Patel School of Pharmacy and Technology Management, SVKM'S NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, India
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14
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Malkawi AS, Haddad R, Malkawi A, Alrabadi N. Development of Fluorescently Labeled Self-Emulsifying Drug Delivery Systems (SEDDS) for Prolonged Stability, In Vitro Sustained Release and Cellular Uptake. Pharm Nanotechnol 2022; 10:146-161. [PMID: 35289258 DOI: 10.2174/2211738510666220314103400] [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: 12/16/2021] [Revised: 01/17/2022] [Accepted: 01/25/2022] [Indexed: 11/22/2022]
Abstract
AIM In this study, four fluorescein hydrophobic ionic complexes were formed with the cationic polymers Eudragit RS, Eudragit RL, Eudragit E, and polyethyleneimine (PEI) to provide fluorescein sustained release, sustained cellular uptake, and stability. METHODS Complexes were loaded in a self-emulsifying drug delivery system (SEDDS) composed of 40% Tween 80, 20% Kolliphor EL, 15% 2-n-Octyl-1-dodecanol, and 25% dipropylene glycol. SEDDS were investigated regarding their size, polydispersity index (PDI), zeta potential, and cytotoxicity. Fluorescein release from SEDDS was performed in phosphate buffer (pH 6.8 and pH 8) and the released fluorescein was evaluated for cellular uptake. Moreover, fluorescein from all of the SEDDS pre-concentrates was released at different time points to check its long-term stability over six months. RESULTS The average fluorescein load in SEDDS was 0.045%. SEDDS showed an average droplet size of 24.9 ± 1.6 nm with PDI ≤ 0.3. SEDDS complexes diluted 1:100 increased the zeta potential from -7.3 mV to +3.7 mV and provided > 85% cell viability. An 92.27 ± 3.18% fluorescein exhibited a few seconds of immediate release when used as control or PEI complex in SEDDS. On the contrary, Eudragit-fluorescein complexes in SEDDS showed sustained release of 87.01 ± 5.22% fluorescein in ≤ 70 min with 22.19 ± 14.56% and 59.27 ± 16.57% released at 10 min in pH 6.8 and pH 8 release media, respectively. Comparatively, the medium at pH 6.8 maintained a significantly improved sustained fluorescein release (p ≤ 0.001). Furthermore, Eudragit RS/RL compared to Eudragit E significantly exhibited a slower fluorescein release rate from SEDDS (p ≤ 0.01). The cellular uptake of the released fluorescein was 72.4 ± 8.2% for all SEDDS complexes after 3 h. Eudragit complexes compared to PEI complex in SEDDS significantly showed more sustained fluorescein cellular uptake at 1 h and 2 h (p ≤ 0.001). However, SEDDS complexes showed the longest fluorescein stability with PEI after six months, whereas fluorescein stability for SEDDS containing fluorescein as Eudragit complex and control showed 39.1% and 82.5% fluorescence decrease, respectively after three months. CONCLUSION In the developed SEDDS, the presence of hydrophobic ionic complexes can significantly promote longer stability and sustained cellular uptake of fluorescein while releasing in a sustained manner.
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Affiliation(s)
- Ahmad Saleh Malkawi
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Isra University, Queen Alya Airport Street 11622, Amman, Jordan
| | - Razan Haddad
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Azhar Malkawi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Nasr Alrabadi
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, 22110, Jordan
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15
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A deep eutectic-based, self-emulsifying subcutaneous depot system for apomorphine therapy in Parkinson's disease. Proc Natl Acad Sci U S A 2022; 119:2110450119. [PMID: 35197281 PMCID: PMC8892321 DOI: 10.1073/pnas.2110450119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2021] [Indexed: 12/16/2022] Open
Abstract
Parkinson’s disease (PD) is a progressive disorder of the central nervous system that affects motor control. While subcutaneous injection of apomorphine (Apokyn) is clinically used to alleviate intermittent episodes of dyskinesia, the treatment requires multiple injections of the drug per day, significantly deterring patient compliance. We introduce a deep eutectic-based ternary solvent system that self-emulsifies in situ following subcutaneous injection and entraps apomorphine, allowing a 48-h duration of detectable drug concentration in the plasma of pigs, which is a remarkable improvement over the clinical comparator. The results from the animal studies support the self-emulsifying system as a potent, long-lasting therapeutic for PD patients and potentially for other therapeutics that have a similar delivery challenge. Apomorphine, a dopamine agonist, is a highly effective therapeutic to prevent intermittent off episodes in advanced Parkinson’s disease. However, its short systemic half-life necessitates three injections per day. Such a frequent dosing regimen imposes a significant compliance challenge, especially given the nature of the disease. Here, we report a deep eutectic-based formulation that slows the release of apomorphine after subcutaneous injection and extends its pharmacokinetics to convert the current three-injections-a-day therapy into an every-other-day therapy. The formulation comprises a homogeneous mixture of a deep eutectic solvent choline-geranate, a cosolvent n-methyl-pyrrolidone, a stabilizer polyethylene glycol, and water, which spontaneously emulsifies into a microemulsion upon injection in the subcutaneous space, thereby entrapping apomorphine and significantly slowing its release. Ex vivo studies with gels and rat skin demonstrate this self-emulsification process as the mechanism of action for sustained release. In vivo pharmacokinetics studies in rats and pigs further confirmed the extended release and improvement over the clinical comparator Apokyn. In vivo pharmacokinetics, supported by a pharmacokinetic simulation, demonstrate that the deep eutectic formulation reported here allows the maintenance of the therapeutic drug concentration in plasma in humans with a dosing regimen of approximately three injections per week compared to the current clinical practice of three injections per day.
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16
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Ebada HMK, Nasra MMA, Nassra RA, Abdallah OY. Chondroitin sulfate-functionalized lipid nanoreservoirs: a novel cartilage-targeting approach for intra-articular delivery of cassic acid for osteoarthritis treatment. Drug Deliv 2022; 29:652-663. [PMID: 35188017 PMCID: PMC8865121 DOI: 10.1080/10717544.2022.2041130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Novel intra-articular nanoreservoirs were implemented employing different cartilage targeting approaches to improve cartilage bioavailability of a chondroprotective drug, cassic acid (CA), for effective amelioration of cartilage deterioration off-targeting CA gastrointestinal disorders. Herein, we compared active cartilage-targeting approach via chondroitin sulfate (CHS) functionalization versus passive targeting using positively charged nanoparticles to target negatively charged cartilage matrix. Firstly, CA integrated nanoreservoirs (CA-NRs) were fabricated based on ionic conjugation between CA and cationic hydrophobic surface modifier octadecylamine (ODA) and were further functionalized with CHS to develop CHS-CA-NRs. Confocal laser microscope was used to visualize the accumulation of nanoparticles into the cartilage tissue. Both targeting approaches promoted CA local cartilage availability and prolonged its residence time. Compared to passive targeted CA-NRs, active targeted CHS-CA-NRs showed higher fluorescence signals in proximity to and inside chondrocytes which lasted for up to 21 days. In MIA-osteoarthritic rats, CHS-CA-NRs showed superior antiosteoarthritic activity, exhibiting highest cartilage repair compared to CA-NRs. Additionally, CHS-CA-NRs significantly inhibited OA inflammatory cytokine, degradation enzyme and oxidative stress and improved cartilage matrix biosynthesis. Conclusively, CHS-CA-NRs improved OA repair showing a superior efficacy for articular cartilage targeting with CHS which could be a potential advance for OA therapy.
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Affiliation(s)
- Heba M K Ebada
- Central Lab, Faculty of Pharmacy, Damanhour University, Damanhour, Egypt
| | - Maha M A Nasra
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
| | - Rasha A Nassra
- Department of Medical Biochemistery, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Ossama Y Abdallah
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
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17
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Malkawi A, Alrabadi N, Kennedy RA. Dual-Acting Zeta-Potential-Changing Micelles for Optimal Mucus Diffusion and Enhanced Cellular Uptake after Oral Delivery. Pharmaceutics 2021; 13:pharmaceutics13070974. [PMID: 34199091 PMCID: PMC8309066 DOI: 10.3390/pharmaceutics13070974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 11/29/2022] Open
Abstract
Context: Overcoming the intestinal mucosal barrier can be a challenge in drug delivery. Nanoemulsions with negative zeta potentials can effectively permeate the mucus layer, but those with positive zeta potentials are better taken up by cells; a nanoemulsion with capricious zeta potential from negative to positive can achieve both good permeation and high uptake. Objective: This study aimed to develop dual-acting zeta-potential-amphoteric micelles enabling optimal muco-permeation and enhancement of cellular uptake. Methods: A micellar pre-concentrate was prepared from 15% Labrasol, 15% Kolliphor EL, 30% Kolliphor RH 40, and 40% dimethylsulfoxide. The micellar pre-concentrate was loaded with anionic stearic acid (SA), forming ionic complexes with cationic polymers at a ratio of 25:1 with Eudragit RS 100 and Eudragit RL 100. Blank micelles and those containing complexes were separately diluted in physiological buffers and examined for their droplet sizes, polydispersity indices (PDIs), zeta potentials, and cytotoxicity. The SA release from the micellar complexes was evaluated in 0.1 mM phosphate buffer (pH 6.8) containing 0.001% fluorescein, thereby enabling an instant decrease in fluorescence. Finally, the micelles were loaded with the model drug fluorescein diacetate (FDA) and evaluated for their muco-permeation behavior and cellular uptake. Results: The micellar dilutions formed micelles at the critical micelle concentration (CMC) of 312 µg/mL and showed a uniform average droplet size of 14.2 nm, with a PDI < 0.1. Micellar dilutions were non-cytotoxic when used at 1:100 in a physiological medium. Micelles loaded with ionic complexes achieved a sustained release of 95.5 ± 3.7% of the SA in 180 min. Moreover, the zeta potential of the complex-loaded micelles shifted from −5.4 to +1.8 mV, whereas the blank micelles showed a stabilized zeta potential of −10 mV. Furthermore, the negatively charged blank and complex-loaded micelles exhibited comparable muco-permeation, with an overall average of 58.2 ± 3.7% diffusion of FDA. The complex-loaded micellar droplets, however, provided a significantly higher cellular uptake of the model drug FDA (2.2-fold, p ≤ 0.01) Conclusion: Due to undergoing a shift in zeta potential, the modified micelles significantly enhanced cellular uptake while preserving mucus-permeating properties.
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Affiliation(s)
- Ahmad Malkawi
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Isra University, Queen Alya Airport Street, Amman 11622, Jordan
- Correspondence: ; Tel.: +43-660-310-5481
| | - Nasr Alrabadi
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Ross Allan Kennedy
- School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, NSW 2650, Australia;
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Gelatin-Graphene Oxide Nanocomposite Hydrogels for Kluyveromyces lactis Encapsulation: Potential Applications in Probiotics and Bioreactor Packings. Biomolecules 2021; 11:biom11070922. [PMID: 34206397 PMCID: PMC8302002 DOI: 10.3390/biom11070922] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 12/19/2022] Open
Abstract
Nutraceutical formulations based on probiotic microorganisms have gained significant attention over the past decade due to their beneficial properties on human health. Yeasts offer some advantages over other probiotic organisms, such as immunomodulatory properties, anticancer effects and effective suppression of pathogens. However, one of the main challenges for their oral administration is ensuring that cell viability remains high enough for a sustained therapeutic effect while avoiding possible substrate inhibition issues as they transit through the gastrointestinal (GI) tract. Here, we propose addressing these issues using a probiotic yeast encapsulation strategy, Kluyveromyces lactis, based on gelatin hydrogels doubly cross-linked with graphene oxide (GO) and glutaraldehyde to form highly resistant nanocomposite encapsulates. GO was selected here as a reinforcement agent due to its unique properties, including superior solubility and dispersibility in water and other solvents, high biocompatibility, antimicrobial activity, and response to electrical fields in its reduced form. Finally, GO has been reported to enhance the mechanical properties of several materials, including natural and synthetic polymers and ceramics. The synthesized GO-gelatin nanocomposite hydrogels were characterized in morphological, swelling, mechanical, thermal, and rheological properties and their ability to maintain probiotic cell viability. The obtained nanocomposites exhibited larger pore sizes for successful cell entrapment and proliferation, tunable degradation rates, pH-dependent swelling ratio, and higher mechanical stability and integrity in simulated GI media and during bioreactor operation. These results encourage us to consider the application of the obtained nanocomposites to not only formulate high-performance nutraceuticals but to extend it to tissue engineering, bioadhesives, smart coatings, controlled release systems, and bioproduction of highly added value metabolites.
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Ismail R, Baaity Z, Csóka I. Regulatory status quo and prospects for biosurfactants in pharmaceutical applications. Drug Discov Today 2021; 26:1929-1935. [PMID: 33831583 DOI: 10.1016/j.drudis.2021.03.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/09/2021] [Accepted: 03/25/2021] [Indexed: 01/24/2023]
Abstract
The concept of going 'green' and 'cold' has led to utilizing renewable resources for the synthesis of microbial biosurfactants that are both patient and eco-friendly. In this review, we shed light on the potential and regulatory aspects of biosurfactants in pharmaceutical applications and how they can significantly contribute to novel concepts for the Coronavirus 2019 (COVID-19) vaccine and future treatment. We emphasize that more specific guidelines should be formulated to regulate the approval of biosurfactants for human use. It is also crucial to implement a risk-based approach from the early research and development (R&D) phase in addition to establishing more robust standardized techniques and assays to evaluate the characteristics of biosurfactants.
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Affiliation(s)
- Ruba Ismail
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Str. 6, H-6720 Szeged, Hungary; Department of Applied and Environmental Chemistry, Institute of Chemistry, Faculty of Science and Informatics, University of Szeged, Rerrich Bela Sq.1., H-6720 Szeged, Hungary.
| | - Zain Baaity
- Department of Medical Microbiology and Immunobiology, Faculty of Medicine, University of Szeged, 10 Dóm Square, H-6720 Szeged, Hungary
| | - Ildikó Csóka
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Str. 6, H-6720 Szeged, Hungary
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20
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Abou Assi R, Abdulbaqi IM, Siok Yee C. The Evaluation of Drug Delivery Nanocarrier Development and Pharmacological Briefing for Metabolic-Associated Fatty Liver Disease (MAFLD): An Update. Pharmaceuticals (Basel) 2021; 14:215. [PMID: 33806527 PMCID: PMC8001129 DOI: 10.3390/ph14030215] [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: 12/22/2020] [Revised: 01/22/2021] [Accepted: 01/27/2021] [Indexed: 12/11/2022] Open
Abstract
Current research indicates that the next silent epidemic will be linked to chronic liver diseases, specifically non-alcoholic fatty liver disease (NAFLD), which was renamed as metabolic-associated fatty liver disease (MAFLD) in 2020. Globally, MAFLD mortality is on the rise. The etiology of MAFLD is multifactorial and still incompletely understood, but includes the accumulation of intrahepatic lipids, alterations in energy metabolism, insulin resistance, and inflammatory processes. The available MAFLD treatment, therefore, relies on improving the patient's lifestyle and multidisciplinary pharmacotherapeutic options, whereas the option of surgery is useless without managing the comorbidities of the MAFLD. Nanotechnology is an emerging approach addressing MAFLD, where nanoformulations are suggested to improve the safety and physicochemical properties of conventional drugs/herbal medicines, physical, chemical, and physiological stability, and liver-targeting properties. A wide variety of liver nanosystems were constructed and delivered to the liver, only those that addressed the MAFLD were discussed in this review in terms of the nanocarrier classes, particle size, shape, zeta potential and offered dissolution rate(s), the suitable preparation method(s), excipients (with synergistic effects), and the suitable drug/compound for loading. The advantages and challenges of each nanocarrier and the focus on potential promising perspectives in the production of MAFLD nanomedicine were also highlighted.
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Affiliation(s)
- Reem Abou Assi
- Thoughts Formulation Laboratory, Discipline of Pharmaceutical Technology, School of Pharmaceutical Sciences, University Sains Malaysia, Minden 11800, Penang, Malaysia;
- Discipline of Pharmaceutical Technology, College of Pharmacy, Al-Kitab University, Altun-Kupri, Kirkuk 36001, Iraq;
| | - Ibrahim M. Abdulbaqi
- Discipline of Pharmaceutical Technology, College of Pharmacy, Al-Kitab University, Altun-Kupri, Kirkuk 36001, Iraq;
- Pharmaceutical Design and Simulation (PhDS) Lab, Discipline of Pharmaceutical Technology, School of Pharmaceutical Sciences, University Sains Malaysia, Minden 11800, Penang, Malaysia
| | - Chan Siok Yee
- Thoughts Formulation Laboratory, Discipline of Pharmaceutical Technology, School of Pharmaceutical Sciences, University Sains Malaysia, Minden 11800, Penang, Malaysia;
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21
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Malkawi A, Kennedy R, Asim MH, Arshad S. WITHDRAWN: Self-Emulsifying Drug Delivery Systems: Mucolytic Action of N-acetylcysteine (NAC)-Polymer Hydrophobic Complexes for Effective Mucopermeation. J Pharm Sci 2021:S0022-3549(21)00089-7. [PMID: 33610567 DOI: 10.1016/j.xphs.2021.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/25/2021] [Accepted: 02/10/2021] [Indexed: 11/25/2022]
Affiliation(s)
- Ahmad Malkawi
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Ross Kennedy
- School of Biomedical Science, Charles Sturt University, Wagga Wagga, New South Wales, 2650, Australia
| | | | - Shumaila Arshad
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
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