1
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Jansook P, Loftsson T, Stefánsson E. Drug-like properties of tyrosine kinase inhibitors in ophthalmology: Formulation and topical availability. Int J Pharm 2024; 655:124018. [PMID: 38508428 DOI: 10.1016/j.ijpharm.2024.124018] [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: 01/22/2024] [Revised: 03/11/2024] [Accepted: 03/17/2024] [Indexed: 03/22/2024]
Abstract
Tyrosine kinase inhibitors (TKIs) can inhibit edema and neovascularization, such as in age-related macular degeneration and diabetic retinopathy. However, their topical administration in ophthalmology is limited by their toxicity and poor aqueous solubility. There are multiple types of TKIs, and each TKI has an affinity to more than one type of receptor. Studies have shown that ocular toxicity can be addressed by selecting TKIs that have a high affinity for specific vascular endothelial growth factor receptors (VEGFRs) but a low affinity for epidermal growth factor receptors (EGFRs). Drugs permeate from the aqueous tear fluid into the eye via passive diffusion. Thus, a sustained high concentration of the dissolved drug in the aqueous tear fluid is essential for a successful delivery to posterior tissues such as the retina. Unfortunately, the aqueous solubility of the TKIs that have the most favorable VEGFR/EGFR affinity ratio, that is, axitinib and cabozantinib, is well below 1 µg/mL, making their topical delivery very challenging. This is a review of the drug-like properties of TKIs that are currently being evaluated or have been evaluated as ophthalmic drugs. These properties include their solubilization, cyclodextrin complexation, and ability to permeate from the aqueous tear fluid to the posterior eye segment.
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Affiliation(s)
- Phatsawee Jansook
- Faculty of Pharmaceutical Sciences, Chulalongkorn University, 254 Payathai Road, Pathumwan, Bangkok, 10330, Thailand; Cyclodextrin Application and Nanotechnology-Based Delivery Systems Research Unit, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Thorsteinn Loftsson
- Faculty of Pharmaceutical Sciences, University of Iceland, Hofsvallagata 53, IS-107, Reykjavik, Iceland
| | - Einar Stefánsson
- Department of Ophthalmology, Landspitali University Hospital, IS-101 Reykjavik, Iceland
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2
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Veider F, Haddadzadegan S, Sanchez Armengol E, Laffleur F, Kali G, Bernkop-Schnürch A. Inhibition of P-glycoprotein-mediated efflux by thiolated cyclodextrins. Carbohydr Polym 2024; 327:121648. [PMID: 38171673 DOI: 10.1016/j.carbpol.2023.121648] [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: 08/28/2023] [Revised: 11/20/2023] [Accepted: 11/26/2023] [Indexed: 01/05/2024]
Abstract
Overcoming P-glycoprotein (P-gp)-mediated efflux poses a significant challenge for the pharmaceutical industry. This study investigates the potential of thiolated β-cyclodextrins (β-CD-SHs) as inhibitors of P-gp-mediated efflux in Caco-2 cells. Through a series of transport assays, intracellular accumulation, and efflux of the P-gp substrates Rhodamine 123 (Rh123) and Calcein-AM with and without co-administration of β-CD-SHs were assessed. The results revealed that the cellular uptake of Rh123 and Calcein-AM were enhanced up to 7- and 3-fold, compared to the control, respectively. In efflux studies an up to 2.5-fold reduction of the Rh123 efflux was reached compared the control, indicating a substantial decrease of Rh123 efflux by β-CD-SHs. Furthermore, it was observed that β-CD-SHs led to a decrease in the reactivity of fluorescence-labeled anti-P-gp, suggesting additional effects on the conformation of P-gp. Overall, this study demonstrates the potential of β-CD-SHs as effective modulator of P-gp-mediated drug efflux in Caco-2 cells.
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Affiliation(s)
- Florina Veider
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Soheil Haddadzadegan
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Eva Sanchez Armengol
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Flavia Laffleur
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Gergely Kali
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
| | - Andreas Bernkop-Schnürch
- Center for Chemistry and Biomedicine, Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria.
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3
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Patil SK, Chary PS, Maddipatla S, Madhavi YV, Singothu S, Bhandari V, Pardhi E, Bansal KK, Mehra NK. Development of venetoclax with 2-hydroxypropyl-beta-cyclodextrin inclusion complex for improved bioavailability. J Biomol Struct Dyn 2024:1-18. [PMID: 38247232 DOI: 10.1080/07391102.2024.2305695] [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: 07/08/2023] [Accepted: 01/09/2024] [Indexed: 01/23/2024]
Abstract
Cyclodextrin complexes loaded with venetoclax for improved solubility and therapeutic efficacy as repurposed drug. The venetoclax-cyclodextrin inclusion complex was prepared using kneading method. Primarily in-silico molecular docking study was performed to examine the possible interaction between venetoclax and hydroxypropyl-β-cyclodextrin (HP-β-CD) and extensively characterized. The in-vitro studies were performed using A-549 lung epithelial cancer cells. The in-vivo pharmaco-kinetic studies was performed on wistar rats. The aqueous solubility of venetoclax was increased upto 3.16 folds, as compared with pure venetoclax with entrapment efficiency (EE%) was determined 95.44 ± 0.3%. In-vitro cytotoxicity studies were carried on A-549 lung epithelial cancer cells, wherein BCL-2 receptors were highly over-expressed and IC 50 values for venetoclax and venetoclax- HP-β-CD complex was calculated at 24 and 48 hrs in the order of 1.241 µg/ml, 0.68 µg/ml and 0.757719 µg/ml, 0.6125 µg/mL, respectively. The oral bioavailability was increased 4.03 times compared to the pure drug. The venetoclax-HP-β-CD inclusion complexes showed the increased aqueous solubility with improved anticancer activities.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Smalant Kishor Patil
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Padakanti Sandeep Chary
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Sarvan Maddipatla
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Y V Madhavi
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Siva Singothu
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Vasundhra Bhandari
- Department of Pharmacoinformatics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Ekta Pardhi
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Kuldeep Kumar Bansal
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Neelesh Kumar Mehra
- Pharmaceutical Nanotechnology Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
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4
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Kaur R, Shaikh TB, Priya Sripadi H, Kuncha M, Vijaya Sarathi UVR, Kulhari H, Balaji Andugulapati S, Sistla R. Nintedanib solid lipid nanoparticles improve oral bioavailability and ameliorate pulmonary fibrosis in vitro and in vivo models. Int J Pharm 2024; 649:123644. [PMID: 38040396 DOI: 10.1016/j.ijpharm.2023.123644] [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: 06/05/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 12/03/2023]
Abstract
Nintedanib (NIN) and pirfenidone are the only approved drugs for the treatment of Idiopathic Pulmonary Fibrosis (IPF). However, NIN and pirfenidone have low oral bioavailability and limited therapeutic potential, requiring higher dosages to increase their efficacy, which causes significant liver and gastrointestinal toxicities. In this study, we aimed to develop nintedanib-loaded solid lipid nanoparticles (NIN-SLN) to improve the oral bioavailability and therapeutic potential against TGF-β-induced differentiation in IPF fibroblasts and bleomycin (BLM)-induced lung fibrosis in rat models. NIN-SLN was prepared using a double-emulsification method and characterization studies (Particle size, zeta potential, entrapment efficiency and other parameters) were performed using various techniques. NIN-SLN treatment significantly (p < 0.001) downregulated α-SMA and COL3A1 expression in TGF-β stimulated DHLF and LL29 cells. NIN-SLN showed a 2.87-fold increase in the bioavailability of NIN and also improved the NIN levels in lung tissues compared to NIN alone. Pharmacodynamic investigation revealed that NIN-SLN (50 mg/Kg) treatment significantly attenuated BLM-induced lung fibrosis by inhibiting epithelial-to-mesenchymal-transition (EMT), extracellular matrix remodelling, and collagen deposition compared to free NIN. Additionally, in the BLM model of fibrosis, NIN-SLN greatly improved the BLM-caused pathological changes, attenuated the NIN-induced gastrointestinal abnormalities, and significantly improved the lung functional indices compared to free NIN. Collectively, NIN-SLN could be a promising nanoformulation for the management of pulmonary fibrosis.
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Affiliation(s)
- Rajwinder Kaur
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India
| | - Taslim B Shaikh
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India
| | - Hari Priya Sripadi
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India
| | - Madhusudana Kuncha
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India
| | - U V R Vijaya Sarathi
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India; Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India
| | - Hitesh Kulhari
- School of Nano Sciences, Central University of Gujarat, Gandhinagar 382 030, Gujarat, India.
| | - Sai Balaji Andugulapati
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India.
| | - Ramakrishna Sistla
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, Telangana, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201 002, India.
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5
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Singh S, Wairkar S. Long-circulating thiolated chitosan nanoparticles of nintedanib with N-acetyl cysteine for treating idiopathic pulmonary fibrosis: In vitro assessment of cytotoxicity, antioxidant, and antifibrotic potential. Int J Pharm 2023; 644:123322. [PMID: 37591474 DOI: 10.1016/j.ijpharm.2023.123322] [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: 05/11/2023] [Revised: 08/05/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
Nintedanib (NIN) is one of the FDA-approved tyrosine kinase inhibitor drugs used to treat idiopathic pulmonary fibrosis (IPF). This study aimed to formulate a long-circulating injection of Nintedanib to treat bedridden patients with IPF. Nintedanib was incorporated into chitosan nanoparticles (NIN-NP) via the ionic gelation method, and N-acetyl cysteine (NAC), a known antioxidant and mucolytic agent, was added to the NIN-NP (NAC-NIN-NP). The lyophilized formulation had a particle size of 174 nm, a polydispersity index of 0.511, and a zeta potential of 18.6 mV. The spherical nanoparticles were observed in transmission electron microscopy, whereas field emission scanning electron microscopy showed irregular clusters of NP. The thiolation of the chitosan in NAC-NIN-NP was confirmed by ATR-FTIR and NMR, which improved drug release profiles showing >90 % drug release that was 2.42-folds greater than NIN-NP lasting for five days. The DPPH assay showed that adding NAC increased the % inhibition of oxidation in blank-NP (from 54.59 % to 87.17 %) and NIN-NP (58.65 %-89.19 %). The MTT assay on A549 cells showed 67.57 % cell viability by NAC-NIN-NP with an IC50 value of 28 μg/mL. The NAC formulation reduced hydroxyproline content (56.77 μg/mL) compared to NIN-NP (69.48 μg/mL) in WI-38 cell lines. Meanwhile, the healthy cells count with NAC-NIN-NP was higher (5.104 × 103) than with NIN-NP (4.878 × 103). In Hoechst staining, no significant damage to DNA was observed by the drug or formulation. Therefore, NAC-NIN-NP could be a promising treatment option for IPF patients and can be studied further clinically.
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Affiliation(s)
- Sanskriti Singh
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKMs NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, Maharashtra 400056, India
| | - Sarika Wairkar
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKMs NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, Maharashtra 400056, India.
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6
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Sarabia-Vallejo Á, Caja MDM, Olives AI, Martín MA, Menéndez JC. Cyclodextrin Inclusion Complexes for Improved Drug Bioavailability and Activity: Synthetic and Analytical Aspects. Pharmaceutics 2023; 15:2345. [PMID: 37765313 PMCID: PMC10534465 DOI: 10.3390/pharmaceutics15092345] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
Many active pharmaceutical ingredients show low oral bioavailability due to factors such as poor solubility and physical and chemical instability. The formation of inclusion complexes with cyclodextrins, as well as cyclodextrin-based polymers, nanosponges, and nanofibers, is a valuable tool to improve the oral bioavailability of many drugs. The microencapsulation process modifies key properties of the included drugs including volatility, dissolution rate, bioavailability, and bioactivity. In this context, we present relevant examples of the stabilization of labile drugs through the encapsulation in cyclodextrins. The formation of inclusion complexes with drugs belonging to class IV in the biopharmaceutical classification system as an effective solution to increase their bioavailability is also discussed. The stabilization and improvement in nutraceuticals used as food supplements, which often have low intestinal absorption due to their poor solubility, is also considered. Cyclodextrin-based nanofibers, which are polymer-free and can be generated using environmentally friendly technologies, lead to dramatic bioavailability enhancements. The synthesis of chemically modified cyclodextrins, polymers, and nanosponges based on cyclodextrins is discussed. Analytical techniques that allow the characterization and verification of the formation of true inclusion complexes are also considered, taking into account the differences in the procedures for the formation of inclusion complexes in solution and in the solid state.
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Affiliation(s)
- Álvaro Sarabia-Vallejo
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - María del Mar Caja
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - Ana I. Olives
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - M. Antonia Martín
- Unidad de Química Analítica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
| | - J. Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain;
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7
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Aiassa V, Garnero C, Zoppi A, Longhi MR. Cyclodextrins and Their Derivatives as Drug Stability Modifiers. Pharmaceuticals (Basel) 2023; 16:1074. [PMID: 37630988 PMCID: PMC10459549 DOI: 10.3390/ph16081074] [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: 06/30/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 08/27/2023] Open
Abstract
Cyclodextrins (CDs) are cyclic oligosaccharides that contain a relatively hydrophobic central cavity and a hydrophilic outer surface. They are widely used to form non-covalent inclusion complexes with many substances. Although such inclusion complexes typically exhibit higher aqueous solubility and chemical stability than pure drugs, it has been shown that CDs can promote the degradation of some drugs. This property of stabilizing certain drugs while destabilizing others can be explained by the type of CD used and the structure of the inclusion complex formed. In addition, the ability to form complexes of CDs can be improved through the addition of suitable auxiliary substances, forming multicomponent complexes. Therefore, it is important to evaluate the effect that binary and multicomponent complexes have on the chemical and physical stability of complexed drugs. The objective of this review is to summarize the studies on the stabilizing and destabilizing effects of complexes with CDs on drugs that exhibit stability problems.
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8
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Dhavale RP, Dhavale RP, Bhatia MS, Jadhav SU, Dhanavade MJ, Barale SS, Pathak S, Parale VG, Sonawane KD. Exploring anticancer potential of nintedanib conjugated magnetic nanoparticles: In-vitro and in-silico studies. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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9
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K Shukla S, Nguyen V, Goyal M, Gupta V. Cationically modified inhalable nintedanib niosomes: enhancing therapeutic activity against non-small-cell lung cancer. Nanomedicine (Lond) 2022; 17:935-958. [PMID: 36004583 DOI: 10.2217/nnm-2022-0045] [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: 11/21/2022] Open
Abstract
Aim: This study was designed to develop and test nintedanib-loaded niosomes as inhalable carriers for enhancing its therapeutic efficacy via localized drug accumulation and addressing issues such as low bioavailability and severe toxicity. Methods: Niosomes were prepared by thin-film hydration method and were evaluated for in vitro therapeutic effectiveness in lung cancer cells. Results: The optimized niosomal formulation displayed optimized vesicle size, controlled and extended release of drug, and efficient aerodynamic properties indicating its suitability as an aerosolized formulation. In vitro studies revealed significantly superior cytotoxicity of nintedanib-loaded niosomes which was further validated by 3D spheroids. Conclusion: These findings establish the effectiveness of niosomes as inhalable delivery carriers which could serve as a promising strategy for delivery of nintedanib to treat several lung cancers.
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Affiliation(s)
- Snehal K Shukla
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, St. John's University, NY 11439, USA.,Current Affiliation: Pfizer Worldwide R&D, Groton, CT 06340, USA
| | - Veronica Nguyen
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, St. John's University, NY 11439, USA
| | - Mimansa Goyal
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, St. John's University, NY 11439, USA
| | - Vivek Gupta
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, St. John's University, NY 11439, USA
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10
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Lu R, Zhou Y, Ma J, Wang Y, Miao X. Strategies and Mechanism in Reversing Intestinal Drug Efflux in Oral Drug Delivery. Pharmaceutics 2022; 14:pharmaceutics14061131. [PMID: 35745704 PMCID: PMC9228857 DOI: 10.3390/pharmaceutics14061131] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 11/16/2022] Open
Abstract
Efflux transporters distributed at the apical side of human intestinal epithelial cells actively transport drugs from the enterocytes to the intestinal lumen, which could lead to extremely poor absorption of drugs by oral administration. Typical intestinal efflux transporters involved in oral drug absorption process mainly include P-glycoprotein (P-gp), multidrug resistance proteins (MRPs) and breast cancer resistance protein (BCRP). Drug efflux is one of the most important factors resulting in poor absorption of oral drugs. Caco-2 monolayer and everted gut sac are sued to accurately measure drug efflux in vitro. To reverse intestinal drug efflux and improve absorption of oral drugs, a great deal of functional amphiphilic excipients and inhibitors with the function of suppressing efflux transporters activity are generalized in this review. In addition, different strategies of reducing intestinal drugs efflux such as silencing transporters and the application of excipients and inhibitors are introduced. Ultimately, various nano-formulations of improving oral drug absorption by inhibiting intestinal drug efflux are discussed. In conclusion, this review has significant reference for overcoming intestinal drug efflux and improving oral drug absorption.
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Affiliation(s)
- Rong Lu
- Marine College, Shandong University, Weihai 264209, China; (R.L.); (Y.Z.); (J.M.); (Y.W.)
- School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Yun Zhou
- Marine College, Shandong University, Weihai 264209, China; (R.L.); (Y.Z.); (J.M.); (Y.W.)
| | - Jinqian Ma
- Marine College, Shandong University, Weihai 264209, China; (R.L.); (Y.Z.); (J.M.); (Y.W.)
| | - Yuchen Wang
- Marine College, Shandong University, Weihai 264209, China; (R.L.); (Y.Z.); (J.M.); (Y.W.)
| | - Xiaoqing Miao
- Marine College, Shandong University, Weihai 264209, China; (R.L.); (Y.Z.); (J.M.); (Y.W.)
- Correspondence:
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11
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Huang W, Chen S, Sun L, Wwang H, Qiao H. Study on the intestinal permeability of lamivudine using Caco-2 cells monolayer and Single-pass intestinal perfusion. Saudi J Biol Sci 2022; 29:2247-2252. [PMID: 35531213 PMCID: PMC9073044 DOI: 10.1016/j.sjbs.2021.11.052] [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: 03/01/2021] [Revised: 09/19/2021] [Accepted: 11/18/2021] [Indexed: 11/18/2022] Open
Abstract
Background The aim of this work is to investigate the intestinal permeability of lamivudine and explore its absorption mechanism. Method Caco-2 cells monolayer and single-pass intestinal perfusion (SPIP) were selected for the investigation of lamivudine under different conditions, such as different concentration, absorption time, bidirectional transportation, and transportation with efflux transporters inhibitor. The concentration of lamivudine both in Caco-2 cells monolayer samples and SPIP samples was detected by HPLC-UV. Then the permeability parameters were calculated. Results The established HPLC-UV method reach the requirements for detection. There is no statistically difference between absorption parameters of lamivudine both in Caco-2 cells monolayer and SPIP (P > 0.05) under different dose groups. After transportation with efflux transporters inhibitor, the efflux rate of lamivudine in three dose groups was significantly decreased from 2.67, 2.59 and 2.59 to 1.78, 1.61, and 1.81 respectively. Lamivudine exhibits an absorption mechanism of passive diffusion. Conclusion The absorption of lamivudine may be related to efflux transporters. In addition, lamivudine is a moderate-permeability drug in Biopharmaceutics Classification System.
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Affiliation(s)
- Weiyin Huang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Shuang Chen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
| | - Lin Sun
- Jiangsu Provincial Institute of Materia Medica, Nanjing, China
| | - Hubin Wwang
- Jiangsu Provincial Institute of Materia Medica, Nanjing, China
| | - Hongqun Qiao
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, China
- Corresponding author at: School of Pharmaceutical Sciences, Puzhu South Road No. 30, Nanjing Tech University, Nanjing 211816, Jiangsu, China.
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12
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Lim HK, Hughes CO, Lim MJS, Li JJ, Rakshit M, Yeo C, Chng KR, Li A, Chan JSH, Ng KW, Leavesley DI, Smith BPC. Development of reconstructed intestinal micronucleus cytome (RICyt) assay in 3D human gut model for genotoxicity assessment of orally ingested substances. Arch Toxicol 2022; 96:1455-1471. [PMID: 35226136 PMCID: PMC9013689 DOI: 10.1007/s00204-022-03228-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 01/12/2022] [Indexed: 11/30/2022]
Abstract
The micronucleus (MN) assay is widely used as part of a battery of tests applied to evaluate the genotoxic potential of chemicals, including new food additives and novel food ingredients. Micronucleus assays typically utilise homogenous in vitro cell lines which poorly recapitulate the physiology, biochemistry and genomic events in the gut, the site of first contact for ingested materials. Here we have adapted and validated the MN endpoint assay protocol for use with complex 3D reconstructed intestinal microtissues; we have named this new protocol the reconstructed intestine micronucleus cytome (RICyt) assay. Our data suggest the commercial 3D microtissues replicate the physiological, biochemical and genomic responses of native human small intestine to exogenous compounds. Tissues were shown to maintain log-phase proliferation throughout the period of exposure and expressed low background MN. Analysis using the RICyt assay protocol revealed the presence of diverse cell types and nuclear anomalies (cytome) in addition to MN, indicating evidence for comprehensive DNA damage and mode(s) of cell death reported by the assay. The assay correctly identified and discriminated direct-acting clastogen, aneugen and clastogen requiring exogenous metabolic activation, and a non-genotoxic chemical. We are confident that the genotoxic response in the 3D microtissues more closely resembles the native tissues due to the inherent tissue architecture, surface area, barrier effects and tissue matrix interactions. This proof-of-concept study highlights the RICyt MN cytome assay in 3D reconstructed intestinal microtissues is a promising tool for applications in predictive toxicology.
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Affiliation(s)
- Hui Kheng Lim
- Innovations in Food and Chemical Safety (IFCS) Programme, Agency for Science, Technology and Research, Singapore, Singapore.
- Skin Research Institute of Singapore (SRIS), Agency for Science, Technology and Research, Singapore, Singapore.
- Future Ready Food Safety Hub (a Joint Initiative of A*STAR, SFA and NTU), Nanyang Technological University, Singapore, Singapore.
| | - Christopher Owen Hughes
- Innovations in Food and Chemical Safety (IFCS) Programme, Agency for Science, Technology and Research, Singapore, Singapore
- Skin Research Institute of Singapore (SRIS), Agency for Science, Technology and Research, Singapore, Singapore
| | - Michelle Jing Sin Lim
- Innovations in Food and Chemical Safety (IFCS) Programme, Agency for Science, Technology and Research, Singapore, Singapore
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research, Singapore, Singapore
| | - Jia'En Jasmine Li
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Moumita Rakshit
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore
| | - Calvin Yeo
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Kern Rei Chng
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Angela Li
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | | | - Kee Woei Ng
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore
- Environmental Chemistry and Materials Centre, Nanyang Environment and Water Research Institute, Singapore, Singapore
- Harvard T. H. Chan School of Public Health, Harvard University, Cambridge, USA
| | - David Ian Leavesley
- Innovations in Food and Chemical Safety (IFCS) Programme, Agency for Science, Technology and Research, Singapore, Singapore
- Skin Research Institute of Singapore (SRIS), Agency for Science, Technology and Research, Singapore, Singapore
| | - Benjamin Paul Chapman Smith
- Innovations in Food and Chemical Safety (IFCS) Programme, Agency for Science, Technology and Research, Singapore, Singapore
- Future Ready Food Safety Hub (a Joint Initiative of A*STAR, SFA and NTU), Nanyang Technological University, Singapore, Singapore
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research, Singapore, Singapore
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Togami K, Ogasawara A, Irie S, Iwata K, Yamaguchi K, Tada H, Chono S. Improvement of the pharmacokinetics and antifibrotic effects of nintedanib by intrapulmonary administration of a nintedanib–hydroxypropyl-γ-cyclodextrin inclusion complex in mice with bleomycin-induced pulmonary fibrosis. Eur J Pharm Biopharm 2022; 172:203-212. [DOI: 10.1016/j.ejpb.2022.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 01/03/2022] [Accepted: 02/14/2022] [Indexed: 11/16/2022]
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Alizadeh N, Nazari F. Thymol essential oil/ β-cyclodextrin inclusion complex into chitosan nanoparticles: Improvement of thymol properties in vitro studies. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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15
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Rod-shaped nintedanib nanocrystals improved oral bioavailability through multiple intestinal absorption pathways. Eur J Pharm Sci 2021; 168:106047. [PMID: 34687899 DOI: 10.1016/j.ejps.2021.106047] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 10/11/2021] [Accepted: 10/17/2021] [Indexed: 11/21/2022]
Abstract
Nintedanib (BIBF) is a biopharmaceutical classification system II (BCS II) drug that has a good therapeutic effect for the treatment of nonsmall cell lung cancer; however, it shows poor oral bioavailability due to low dissolution and intestinal absorption. This study aims to fabricate rod-shaped nanocrystals to enhance oral bioavailability by improving the dissolution and absorption of BIBF in the intestine. By prescription screening, BIBF nanocrystals (BIBF-NCs) with a particle size of 325.30 ± 1.03 nm and zeta potential of 32.70 ± 1.24 mV were fabricated by an antisolvent precipitation-ultrasound approach with a stabilizer of sodium carboxyl methyl cellulose (CMC-Na). BIBF-NCs exhibited a rod-shaped morphology by transmission electron microscopy (TEM). The results of powder X-ray diffraction (PXRD) and differential scanning calorimetry (DSC) showed that the crystal form of BIBF in BIBF-NCs was altered. The BIBF-NCs remarkably improved the saturation solubility and dissolution of BIBF compared with BIBF powder. According to the results of in situ single-pass intestinal perfusion (SPIP), BIBF-NCs showed improved absorption and membrane permeability, with Ka and Papp values in the jejunum of 0.21 ± 0.01 min-1 and (4.34 ± 0.11) × 10-4 cm/min, respectively. Further, the Ka and Papp values of BIBF-NCs were all reduced significantly after the addition of inhibitors colchicine, chlorpromazine and indomethacin, which demonstrated that BIBF-NCs could be absorbed by endocytosis mediated by caveolae and clathrin and micropinocytosis in the intestine. The cell evaluation results showed that BIBF-NCs could be taken up by macrophages and transported from Caco-2 monolayers. The in vivo pharmacokinetic results showed that the bioavailability of the BIBF-NCs was 2.51-fold higher than that of the BIBF solution (BIBF-Sol) after oral administration with a longer Tmax (4.50 ± 1.00 h vs. 2.60 ± 1.92 h). In summary, rod-shaped BIBF-NCs could significantly improve oral bioavailability through multiple intestinal absorption pathways.
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Velagacherla V, Suresh A, Mehta CH, Nayak UY. Advances and challenges in nintedanib drug delivery. Expert Opin Drug Deliv 2021; 18:1687-1706. [PMID: 34556001 DOI: 10.1080/17425247.2021.1985460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Nintedanib (N.T.B) is an orally administered tyrosine kinase inhibitor that has been approved recently by U.S.F.D.A for idiopathic pulmonary fibrosis (I.P.F) and systemic sclerosis-associated interstitial lung disease (S.Sc-I.L.D). N.T.B is also prescribed in COVID-19 patients associated with I.P.F. However, it has an extremely low bioavailability of around 4.7%, and hence, researchers are attempting to address this drawback by different approaches. AREAS COVERED This review article focuses on enlisting all the formulation attempts explored by researchers to increase the bioavailability of N.T.B while also providing meaningful insight into the unexplored areas in formulation development, such as targeting of the lymphatic system and transdermal delivery. All the patents on the formulation development of N.T.B have also been summarized. EXPERT OPINION N.T.B has the potential to act on multiple diseases that are still being discovered, but its extremely low bioavailability is a challenge that is to be dealt with for obtaining the full benefit. Few studies have been performed aiming at improving the bioavailability, but there are unexplored areas that can be used, a few of which are explained in this article. However, the ability to reproduce laboratory results when scaling up to the industry level is the only factor to be taken into consideration.
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Affiliation(s)
- Varalakshmi Velagacherla
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Akhil Suresh
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Chetan H Mehta
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
| | - Usha Y Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, India
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17
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Repurposing Bedaquiline for Effective Non-Small Cell Lung Cancer (NSCLC) Therapy as Inhalable Cyclodextrin-Based Molecular Inclusion Complexes. Int J Mol Sci 2021; 22:ijms22094783. [PMID: 33946414 PMCID: PMC8124211 DOI: 10.3390/ijms22094783] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/20/2021] [Accepted: 04/28/2021] [Indexed: 12/13/2022] Open
Abstract
There is growing evidence that repurposed drugs demonstrate excellent efficacy against many cancers, while facilitating accelerated drug development process. In this study, bedaquiline (BDQ), an FDA approved anti-mycobacterial agent, was repurposed and an inhalable cyclodextrin complex formulation was developed to explore its anti-cancer activity in non-small cell lung cancer (NSCLC). A sulfobutyl ether derivative of β-cyclodextrin (SBE-β-CD) was selected based on phase solubility studies and molecular modeling to prepare an inclusion complex of BDQ and cyclodextrin. Aqueous solubility of BDQ was increased by 2.8 × 103-fold after complexation with SBE-β-CD, as compared to its intrinsic solubility. Solid-state characterization studies confirmed the successful incorporation of BDQ in the SBE-β-CD cavity. In vitro lung deposition study results demonstrated excellent inhalable properties (mass median aerodynamic diameter: 2.9 ± 0.6 µm (<5 µm) and fine particle fraction: 83.3 ± 3.8%) of BDQ-CD complex. Accelerated stability studies showed BDQ-CD complex to be stable up to 3 weeks. From cytotoxicity studies, a slight enhancement in the anti-cancer efficacy was observed with BDQ-cyclodextrin complex, compared to BDQ alone in H1299 cell line. The IC50 values for BDQ and BDQ-CD complex were found to be ~40 µM in case of H1299 cell line at 72 h, whereas BDQ/BDQ-CD were not found to be cytotoxic up to concentrations of 50 µM in A549 cell line. Taken together, BDQ-CD complex offers a promising inhalation strategy with efficient lung deposition and cytotoxicity for NSCLC treatment.
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18
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Parvathaneni V, Elbatanony RS, Shukla SK, Kulkarni NS, Kanabar DD, Chauhan G, Ayehunie S, Chen ZS, Muth A, Gupta V. Bypassing P-glycoprotein mediated efflux of afatinib by cyclodextrin complexation – Evaluation of intestinal absorption and anti-cancer activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114866] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Karade VC, Sharma A, Dhavale RP, Dhavale RP, Shingte SR, Patil PS, Kim JH, Zahn DRT, Chougale AD, Salvan G, Patil PB. APTES monolayer coverage on self-assembled magnetic nanospheres for controlled release of anticancer drug Nintedanib. Sci Rep 2021; 11:5674. [PMID: 33707549 PMCID: PMC7952395 DOI: 10.1038/s41598-021-84770-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 02/16/2021] [Indexed: 01/31/2023] Open
Abstract
The use of an appropriate delivery system capable of protecting, translocating, and selectively releasing therapeutic moieties to desired sites can promote the efficacy of an active compound. In this work, we have developed a nanoformulation which preserves its magnetization to load a model anticancerous drug and to explore the controlled release of the drug in a cancerous environment. For the preparation of the nanoformulation, self-assembled magnetic nanospheres (MNS) made of superparamagnetic iron oxide nanoparticles were grafted with a monolayer of (3-aminopropyl)triethoxysilane (APTES). A direct functionalization strategy was used to avoid the loss of the MNS magnetization. The successful preparation of the nanoformulation was validated by structural, microstructural, and magnetic investigations. X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR) were used to establish the presence of APTES on the MNS surface. The amine content quantified by a ninhydrin assay revealed the monolayer coverage of APTES over MNS. The monolayer coverage of APTES reduced only negligibly the saturation magnetization from 77 emu/g (for MNS) to 74 emu/g (for MNS-APTES). Detailed investigations of the thermoremanent magnetization were carried out to assess the superparamagnetism in the MNS. To make the nanoformulation pH-responsive, the anticancerous drug Nintedanib (NTD) was conjugated with MNS-APTES through the acid liable imine bond. At pH 5.5, which mimics a cancerous environment, a controlled release of 85% in 48 h was observed. On the other hand, prolonged release of NTD was found at physiological conditions (i.e., pH 7.4). In vitro cytotoxicity study showed dose-dependent activity of MNS-APTES-NTD for human lung cancer cells L-132. About 75% reduction in cellular viability for a 100 μg/mL concentration of nanoformulation was observed. The nanoformulation designed using MNS and monolayer coverage of APTES has potential in cancer therapy as well as in other nanobiological applications.
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Affiliation(s)
- V C Karade
- School of Nanoscience and Technology, Shivaji University, Kolhapur, Maharashtra, 416004, India
- Optoelectronic Convergence Research Center and Department of Materials Science and Engineering, Chonnam National University, Gwangju, 500-757, South Korea
| | - A Sharma
- Semiconductor Physics, Chemnitz University of Technology, 09107, Chemnitz, Germany
| | - R P Dhavale
- School of Nanoscience and Technology, Shivaji University, Kolhapur, Maharashtra, 416004, India
- Department of Materials Science and Engineering, Yonsei University, Seoul, 03722, South Korea
| | - R P Dhavale
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, Kolhapur, Maharashtra, 416013, India
| | - S R Shingte
- Department of Physics, The New College, Shivaji University, Kolhapur, Maharashtra, 416012, India
| | - P S Patil
- School of Nanoscience and Technology, Shivaji University, Kolhapur, Maharashtra, 416004, India
- Department of Physics, Shivaji University, Kolhapur, Maharashtra, 416004, India
| | - J H Kim
- Optoelectronic Convergence Research Center and Department of Materials Science and Engineering, Chonnam National University, Gwangju, 500-757, South Korea
| | - D R T Zahn
- Semiconductor Physics, Chemnitz University of Technology, 09107, Chemnitz, Germany
| | - A D Chougale
- Department of Chemistry, The New College, Shivaji University, Kolhapur, Maharashtra, 416012, India
| | - G Salvan
- Semiconductor Physics, Chemnitz University of Technology, 09107, Chemnitz, Germany.
| | - P B Patil
- Department of Physics, The New College, Shivaji University, Kolhapur, Maharashtra, 416012, India.
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Anti-Tumor Efficiency of Perillylalcohol/β-Cyclodextrin Inclusion Complexes in a Sarcoma S180-Induced Mice Model. Pharmaceutics 2021; 13:pharmaceutics13020245. [PMID: 33578857 PMCID: PMC7916601 DOI: 10.3390/pharmaceutics13020245] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/17/2021] [Accepted: 02/04/2021] [Indexed: 12/13/2022] Open
Abstract
The low solubility and high volatility of perillyl alcohol (POH) compromise its bioavailability and potential use as chemotherapeutic drug. In this work, we have evaluated the anticancer activity of POH complexed with β-cyclodextrin (β-CD) using three complexation approaches. Molecular docking suggests the hydrogen-bond between POH and β-cyclodextrin in molar proportion was 1:1. Thermal analysis and Fourier-transform infrared spectroscopy (FTIR) confirmed that the POH was enclosed in the β-CD cavity. Also, there was a significant reduction of particle size thereof, indicating a modification of the β-cyclodextrin crystals. The complexes were tested against human L929 fibroblasts after 24 h of incubation showing no signs of cytotoxicity. Concerning the histopathological results, the treatment with POH/β-CD at a dose of 50 mg/kg promoted approximately 60% inhibition of tumor growth in a sarcoma S180-induced mice model and the reduction of nuclear immunoexpression of the Ki67 antigen compared to the control group. Obtained data suggest a significant reduction of cycling cells and tumor proliferation. Our results confirm that complexation of POH/β-CD not only solves the problem related to the volatility of the monoterpene but also increases its efficiency as an antitumor agent.
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21
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Patel P, Patel M. Enhanced oral bioavailability of nintedanib esylate with nanostructured lipid carriers by lymphatic targeting: In vitro, cell line and in vivo evaluation. Eur J Pharm Sci 2021; 159:105715. [PMID: 33453388 DOI: 10.1016/j.ejps.2021.105715] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 12/28/2022]
Abstract
The present research work was aimed to explore the ability of nanostructured lipid carriers (NLCs) to improve oral bioavailability of Nintedanib esylate (NE) via lymphatic uptake. The NE loaded NLCs (NE-NLCs) were fabricated using high speed homogenization followed by probe sonication method and physiochemically characterized. The NE-NLCs had particle size of 125.7 ± 5.5 nm, entrapment efficiency of 88.5 ± 2.5% and zeta potential of -17.3 ± 3.5 mV. DSC and XRD studies indicated that NE was converted to amorphous form. TEM images showed uniformly distributed spherical shaped particles. In vitro release study of NE-NLCs showed drug release of 6.87 ± 2.72% in pH 1.2 and 92.72 ± 3.40% in phosphate buffer pH 6.8 and obeyed higuchi model. Lipolysis study showed higher amount of drug in aqueous layer in NE-NLCs compared to NE-suspension. Tissue distribution study showed deeper penetration of FITC loaded NLCs compared to FITC solution. The cellular uptake across Caco-2 cells exhibited more uptake of FITC loaded NLCs. Cytotoxicity study using A549 cell line revealed higher potential of NE-NLCs in inhibiting tumor cell growth in comparison to that of suspension. The oral bioavailability of NE was ameliorated over 26.31 folds after inclusion into NLCs in contrast to NE-suspension. Intestinal lymphatic uptake of NE-NLCs in cycloheximide treated mice was lower as compared to control without cycloheximide treatment. Thus, the developed NE-NLCs can be an encouraging delivery strategy for increasing oral bioavailability of NE via lymphatic uptake.
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Affiliation(s)
- Priyanshi Patel
- Maliba Pharmacy College, Uka Tarsadia University, Surat 394350, Gujarat, India
| | - Mitali Patel
- Maliba Pharmacy College, Uka Tarsadia University, Surat 394350, Gujarat, India.
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22
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Markus J, Landry T, Stevens Z, Scott H, Llanos P, Debatis M, Armento A, Klausner M, Ayehunie S. Human small intestinal organotypic culture model for drug permeation, inflammation, and toxicity assays. In Vitro Cell Dev Biol Anim 2020; 57:160-173. [PMID: 33237403 PMCID: PMC7687576 DOI: 10.1007/s11626-020-00526-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 10/23/2020] [Indexed: 02/06/2023]
Abstract
The gastrointestinal tract (GIT), in particular, the small intestine, plays a significant role in food digestion, fluid and electrolyte transport, drug absorption and metabolism, and nutrient uptake. As the longest portion of the GIT, the small intestine also plays a vital role in protecting the host against pathogenic or opportunistic microbial invasion. However, establishing polarized intestinal tissue models in vitro that reflect the architecture and physiology of the gut has been a challenge for decades and the lack of translational models that predict human responses has impeded research in the drug absorption, metabolism, and drug-induced gastrointestinal toxicity space. Often, animals fail to recapitulate human physiology and do not predict human outcomes. Also, certain human pathogens are species specific and do not infect other hosts. Concerns such as variability of results, a low throughput format, and ethical considerations further complicate the use of animals for predicting the safety and efficacy xenobiotics in humans. These limitations necessitate the development of in vitro 3D human intestinal tissue models that recapitulate in vivo–like microenvironment and provide more physiologically relevant cellular responses so that they can better predict the safety and efficacy of pharmaceuticals and toxicants. Over the past decade, much progress has been made in the development of in vitro intestinal models (organoids and 3D-organotypic tissues) using either inducible pluripotent or adult stem cells. Among the models, the MatTek’s intestinal tissue model (EpiIntestinal™ Ashland, MA) has been used extensively by the pharmaceutical industry to study drug permeation, metabolism, drug-induced GI toxicity, pathogen infections, inflammation, wound healing, and as a predictive model for a clinical adverse outcome (diarrhea) to pharmaceutical drugs. In this paper, our review will focus on the potential of in vitro small intestinal tissues as preclinical research tool and as alternative to the use of animals.
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Affiliation(s)
- Jan Markus
- In Vitro Life Science Laboratories, Bratislava, Slovak Republic
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23
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Enhanced solubility, stability, permeation and anti-cancer efficacy of Celastrol-β-cyclodextrin inclusion complex. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113936] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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24
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Fiorica C, Palumbo FS, Pitarresi G, Puleio R, Condorelli L, Collura G, Giammona G. A hyaluronic acid/cyclodextrin based injectable hydrogel for local doxorubicin delivery to solid tumors. Int J Pharm 2020; 589:119879. [DOI: 10.1016/j.ijpharm.2020.119879] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/08/2020] [Accepted: 09/08/2020] [Indexed: 12/17/2022]
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25
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Repurposing Quinacrine for Treatment of Malignant Mesothelioma: In-Vitro Therapeutic and Mechanistic Evaluation. Int J Mol Sci 2020; 21:ijms21176306. [PMID: 32878257 PMCID: PMC7503636 DOI: 10.3390/ijms21176306] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 02/07/2023] Open
Abstract
Malignant mesothelioma (MM) is a rare type of cancer primarily affecting mesothelial cells lining the pleural cavity. In this study, we propose to repurpose quinacrine (QA), a widely approved anti-malarial drug, for Malignant Pleural Mesothelioma (MPM) treatment. QA demonstrates high degree of cytotoxicity against both immortalized and primary patient-derived cell lines with sub-micromolar 50% inhibitory concentration (IC50) values ranging from 1.2 µM (H2452) to 5.03 µM (H28). Further, QA also inhibited cellular migration and colony formation in MPM cells, demonstrated using scratch and clonogenic assays, respectively. A 3D-spheroid cell culture experiment was performed to mimic in-vivo tumor conditions, and QA was reported to be highly effective in this simulated cellular model. Anti-angiogenic properties were also discovered for QA. Autophagy inhibition assay was performed, and results revealed that QA successfully inhibited autophagy process in MPM cells, which has been cited to be one of the survival pathways for MPM. Annexin V real-time apoptosis study revealed significant apoptotic induction in MPM cells following QA treatment. Western blots confirmed inhibition of autophagy and induction of apoptosis. These studies highlight anti-mesothelioma efficacy of QA at low doses, which can be instrumental in developing it as a stand-alone treatment strategy for MPM.
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26
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Nanostructured lipid carriers as oral delivery systems for improving oral bioavailability of nintedanib by promoting intestinal absorption. Int J Pharm 2020; 586:119569. [DOI: 10.1016/j.ijpharm.2020.119569] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/22/2020] [Accepted: 06/19/2020] [Indexed: 11/21/2022]
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27
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Wang X, Parvathaneni V, Shukla SK, Kulkarni NS, Muth A, Kunda NK, Gupta V. Inhalable resveratrol-cyclodextrin complex loaded biodegradable nanoparticles for enhanced efficacy against non-small cell lung cancer. Int J Biol Macromol 2020; 164:638-650. [PMID: 32693132 DOI: 10.1016/j.ijbiomac.2020.07.124] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/29/2020] [Accepted: 07/11/2020] [Indexed: 01/01/2023]
Abstract
Resveratrol (RES), a natural polyphenol in fruits, has shown promising anti-cancer properties. Due to its relative low toxicity which limits the adverse effects observed for conventional chemotherapeutics, RES has been proposed as an alternative. However, the therapeutic applications of RES have been limited due to low water solubility, as well as chemical and physical instability. This study investigated enhancing the anti-cancer activity of RES against non-small-cell-lung-cancer (NSCLC) by complexing with sulfobutylether-β-cyclodextrin (CD-RES) and loading onto polymeric nanoparticles (NPs). The physicochemical properties of the CD-RES NPs were then characterized. The CD-RES inclusion complex increased the water solubility of RES by ~66-fold. CD-RES NPs demonstrated very good aerosolization potential with a mass median aerodynamic diameter of 2.20 μm. Cell-based studies demonstrated improved therapeutic efficacy of CD-RES NPs compared to RES. This included enhanced cellular uptake, cytotoxicity, and apoptosis, while retaining antioxidant activity. The 3D spheroid study indicated an intensified anti-cancer effect of CD-RES NPs. Altogether, these findings marked CD-RES NPs as a potential inhalable delivery system of RES for the treatment NSCLC.
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Affiliation(s)
- Xuechun Wang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Vineela Parvathaneni
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Snehal K Shukla
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Nishant S Kulkarni
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Aaron Muth
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Nitesh K Kunda
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America
| | - Vivek Gupta
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, United States of America.
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28
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Wang X, Parvathaneni V, Shukla SK, Kanabar DD, Muth A, Gupta V. Cyclodextrin Complexation for Enhanced Stability and Non-invasive Pulmonary Delivery of Resveratrol-Applications in Non-small Cell Lung Cancer Treatment. AAPS PharmSciTech 2020; 21:183. [PMID: 32632576 DOI: 10.1208/s12249-020-01724-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 06/04/2020] [Indexed: 12/22/2022] Open
Abstract
Pulmonary drug delivery is a noninvasive therapeutic approach that offers many advantages including localized drug delivery and higher patient compliance. As with all formulations, the low aqueous solubility of a drug often poses a challenge in the formulation development. Thus, strategies such as cyclodextrin (CD) complexation have been utilized to overcome this challenge. Resveratrol (RES), a natural stilbene, has shown abundant anti-cancer properties. Due to many drawbacks of conventional chemotherapeutics, RES has been proposed as an emerging alternative with promising pharmacological effects. However, RES has limited therapeutic applications due to low water solubility, chemical stability, and bioavailability. This study was aimed at developing an inhalable therapy that would increase the aqueous solubility and stability of RES by complexation with sulfobutylether-β-cyclodextrin (SBECD). Phase solubility profiles indicated an optimal stoichiometric inclusion complex at 1:1 (SBECD:RES) ratio for formulation considerations. Physiochemical characterizations were performed to analyze CD-RES. Stability studies at pH 7.4 and in plasma indicated significant improvement in RES stability after complexation, with a much longer half-life. The mass median aerodynamic diameter (MMAD) of CD-RES was 2.6 ± 0.7 μm and fine particle fraction (FPF) of 83.4 ± 3.0% are suitable for pulmonary delivery and efficient deposition. Lung cancer was selected as the respiratory model disease, owing to its high relevance as the major cause of cancer deaths worldwide. Cell viability studies in 5 non-small-cell-lung-cancer (NSCLC) cell lines suggest CD-RES retained significant cytotoxic potential of RES. Taken together, CD-RES proves to be a promising inhalation treatment for NSCLC.
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Metformin-loaded chitosomes for treatment of malignant pleural mesothelioma - A rare thoracic cancer. Int J Biol Macromol 2020; 160:128-141. [PMID: 32445818 DOI: 10.1016/j.ijbiomac.2020.05.146] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/05/2020] [Accepted: 05/18/2020] [Indexed: 02/07/2023]
Abstract
The purpose of this study was to design and evaluate chitosan dispersed lipid vesicles (chitosomes) as potential delivery carriers for repurposing metformin (Met) against malignant pleural mesothelioma. Chitosomes were prepared by directly hydrating the thin lipid film using chitosan solution as hydration medium, instead of using it as a coating agent. Developed chitosomes demonstrated spherical morphology, positive surface charge (~30 mV) and ~60% encapsulation efficiency. The calorimetric studies and X-ray diffraction pattern of Met-loaded chitosomes confirmed the successful encapsulation of Met inside the chitosome vesicles. Optimized chitosome formulation showed ~70% drug release in 72 h, displaying prolonged and controlled release of drug. Results demonstrated that Met encapsulated chitosomes possessed enhanced cellular internalization and improved cytotoxic potential. Our findings also supported inhibitory activity of chitosomes against metastatic property of pleural mesothelioma cells. The in-vitro tumor simulation studies further established anti-tumor activity of Met encapsulated chitosomes as supported by reduction in tumor volume and presence of minimal viable cells in tumor mass. The obtained results establish the effectiveness of chitosomes as delivery carrier for Met as treatment alternative for malignant pleural mesothelioma.
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Solubilization and in vitro permeation of dovitinib/cyclodextrin complexes and their aggregates. J INCL PHENOM MACRO 2020. [DOI: 10.1007/s10847-020-00995-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Shukla SK, Kulkarni NS, Farrales P, Kanabar DD, Parvathaneni V, Kunda NK, Muth A, Gupta V. Sorafenib Loaded Inhalable Polymeric Nanocarriers against Non-Small Cell Lung Cancer. Pharm Res 2020; 37:67. [PMID: 32166411 DOI: 10.1007/s11095-020-02790-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 02/20/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE This exploration is aimed at developing sorafenib (SF)-loaded cationically-modified polymeric nanoparticles (NPs) as inhalable carriers for improving the therapeutic efficacy of SF against non-small cell lung cancer (NSCLC). METHODS The NPs were prepared using a solvent evaporation technique while incorporating cationic agents. The optimized NPs were characterized by various physicochemical parameters and evaluated for their aerosolization properties. Several in-vitro evaluation studies were performed to determine the efficacy of our delivery carriers against NSCLC cells. RESULTS Optimized nanoparticles exhibited an entrapment efficiency of ~40%, <200 nm particle size and a narrow poly-dispersity index. Cationically-modified nanoparticles exhibited enhanced cellular internalization and cytotoxicity (~5-fold IC50 reduction vs SF) in various lung cancer cell types. The inhalable nanoparticles displayed efficient aerodynamic properties (MMAD ~ 4 μM and FPF >80%). In-vitro evaluation also resulted in a superior ability to inhibit cancer metastasis. 3D-tumor simulation studies further established the anti-cancer efficacy of NPs as compared to just SF. CONCLUSION The localized delivery of SF-loaded nanoparticles resulted in improved anti-tumor activity as compared to SF alone. Therefore, this strategy displays great potential as a novel treatment approach against certain lung cancers.
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Affiliation(s)
- Snehal K Shukla
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Nishant S Kulkarni
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Pamela Farrales
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Dipti D Kanabar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Vineela Parvathaneni
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Nitesh K Kunda
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Aaron Muth
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA
| | - Vivek Gupta
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Queens, New York, 11439, USA.
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Statistical optimization and validation of a novel ultra-performance liquid chromatography method for estimation of nintedanib in rat and human plasma. Bioanalysis 2020; 12:159-174. [DOI: 10.4155/bio-2019-0284] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Aim: A high throughput ultra-performance liquid chromatography (UPLC)-ultraviolet method for quantification of nintedanib in rat and human plasma was developed and optimized using chemometrical approach. Method: Design of experiment and multivariate statistical approach was used for definition of optimized method. Final separation was performed using protein precipitation method on ACQUITY HSS T3 C18 column in isocratic mode using potassium phosphate buffer (pH 7.5): acetonitrile. Results: Method was validated as per US-FDA guidelines linearly from 15–750 ng/ml. All quality control samples showed <15% relative standard deviation for precision and 85–115% accuracy along with >98% extraction recovery. Conclusion: The developed method is easily applicable in determining pharmacokinetic parameters in preclinical subjects along with successful implementation for quantification in human plasma samples.
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Maltosyl-β-cyclodextrin mediated SupramolecularHost-Guest inclusion complex used for enhancing baicalin antioxidant activity and bioavailability. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101346] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Enhanced Solubility and Anticancer Potential of Mansonone G By β-Cyclodextrin-Based Host-Guest Complexation: A Computational and Experimental Study. Biomolecules 2019; 9:biom9100545. [PMID: 31569832 PMCID: PMC6843486 DOI: 10.3390/biom9100545] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 09/24/2019] [Accepted: 09/26/2019] [Indexed: 11/17/2022] Open
Abstract
Mansonone G (MG), a plant-derived compound isolated from the heartwood of Mansonia gagei, possesses a potent antitumor effect on several kinds of malignancy. However, its poor solubility limits the use for practical applications. Beta-cyclodextrin (βCD), a cyclic oligosaccharide composed of seven (1→4)-linked α-D-glucopyranose units, is capable of encapsulating a variety of poorly soluble compounds into its hydrophobic interior. In this work, we aimed to enhance the water solubility and the anticancer activity of MG by complexation with βCD and its derivatives (2,6-di-O-methyl-βCD (DMβCD) and hydroxypropyl-βCD). The 90-ns molecular dynamics simulations and MM/GBSA-based binding free energy results suggested that DMβCD was the most preferential host molecule for MG inclusion complexation. The inclusion complex formation between MG and βCD(s) was confirmed by DSC and SEM techniques. Notably, the MG/βCDs inclusion complexes exerted significantly higher cytotoxic effect (~2–7 fold) on A549 lung cancer cells than the uncomplexed MG.
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Formulation and evaluation of cyclodextrin complexes for improved anticancer activity of repurposed drug: Niclosamide. Carbohydr Polym 2019; 212:252-259. [DOI: 10.1016/j.carbpol.2019.02.041] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/28/2019] [Accepted: 02/12/2019] [Indexed: 12/14/2022]
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Efendy Goon D, Sheikh Abdul Kadir SH, Latip NA, Ab Rahim S, Mazlan M. Palm Oil in Lipid-Based Formulations and Drug Delivery Systems. Biomolecules 2019; 9:E64. [PMID: 30781901 PMCID: PMC6406477 DOI: 10.3390/biom9020064] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 02/07/2019] [Accepted: 02/07/2019] [Indexed: 12/18/2022] Open
Abstract
Palm oil is natural oil packed with important compounds and fatty acids ready to be exploited in lipid-based formulations and drug delivery. Palm oil and palm kernel oil contain long-chain and medium-chain triglycerides, respectively, including phytonutrients such as tocotrienol, tocopherol and carotenes. The exploitation of these compounds in a lipid-based formulation would be able to address hydrophobicity, lipophilicity, poor bioavailability and low water-solubility of many current drugs. The utilisation of palm oil as part of the drug delivery system seemed to improve the bioavailability and solubility of the drug, stabilising emulsification of formulation between emulsifier and surfactant, promoting enhanced drug permeability and performance, as well as extending the shelf-life of the drug. Despite the complexity in designing lipid-based formulations, palm oil has proven to offer dynamic behaviour in providing versatility in drug design, form and delivery. However, the knowledge and application of palm oil and its fractions in lipid-based formulation are scarce and interspersed. Therefore, this study aims to focus on the research and outcomes of using palm oil in lipid-based formulations and drug delivery systems, due to the importance of establishing its capabilities and benefits.
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Affiliation(s)
- Danial Efendy Goon
- Department of Biochemistry, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
- Institute of Medical Molecular Biotechnology (IMMB), Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
| | - Siti Hamimah Sheikh Abdul Kadir
- Department of Biochemistry, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
- Institute of Medical Molecular Biotechnology (IMMB), Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
| | - Normala Ab Latip
- Atta-ur-Rahman Institute for Natural Products Discovery (AuRIns), Faculty of Pharmacy, Universiti Teknologi MARA, 42300 Puncak Alam, Cawangan Selangor, Selangor, Malaysia.
| | - Sharaniza Ab Rahim
- Department of Biochemistry, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
| | - Musalmah Mazlan
- Department of Biochemistry, Faculty of Medicine, Universiti Teknologi MARA (UiTM), Cawangan Selangor, 47000 Sungai Buloh, Selangor, Malaysia.
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Cyclodextrin⁻Drug Inclusion Complexes: In Vivo and In Vitro Approaches. Int J Mol Sci 2019; 20:ijms20030642. [PMID: 30717337 PMCID: PMC6387394 DOI: 10.3390/ijms20030642] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/21/2018] [Accepted: 12/27/2018] [Indexed: 02/07/2023] Open
Abstract
This review aims to provide a critical review of the biological performance of natural and synthetic substances complexed with cyclodextrins, highlighting: (i) inclusion complexes with cyclodextrins and their biological studies in vitro and in vivo; (ii) Evaluation and comparison of the bioactive efficacy of complexed and non-complexed substances; (iii) Chemical and biological performance tests of inclusion complexes, aimed at the development of new pharmaceutical products. Based on the evidence presented in the review, it is clear that cyclodextrins play a vital role in the development of inclusion complexes which promote improvements in the chemical and biological properties of the complexed active principles, as well as providing improved solubility and aqueous stability. Although the literature shows the importance of their ability to help produce innovative biotechnological substances, we still need more studies to develop and expand their therapeutic properties. It is, therefore, very important to gather together evidence of the effectiveness of inclusion complexes with cyclodextrins in order to facilitate a better understanding of research on this topic and encourage further studies.
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Nepafenac-Loaded Cyclodextrin/Polymer Nanoaggregates: A New Approach to Eye Drop Formulation. MATERIALS 2019; 12:ma12020229. [PMID: 30641887 PMCID: PMC6356765 DOI: 10.3390/ma12020229] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 12/22/2018] [Accepted: 01/07/2019] [Indexed: 01/28/2023]
Abstract
The topical administration route is commonly used for targeting therapeutics to the eye; however, improving the bioavailability of drugs applied directly to the eye remains a challenge. Different strategies have been studied to address this challenge. One of them is the use of aggregates that are formed easily by self-assembly of cyclodextrin (CD)/drug complexes in aqueous solution. The aim of this study was to design a new eye drop formulation based on aggregates formed between CD/drug complexes. For this purpose, the physicochemical properties of the aggregates associated with six CDs and selected water-soluble polymers were analysed. Complex formation was studied using differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FT-IR) and 1H nuclear magnetic resonance spectroscopy (1H-NMR). Results showed that HPβCD performed best in terms of solubilization, while γCD performed best in terms of enhancing nanoaggregate formation. Formation of inclusion complexes was confirmed by DSC, FT-IR and 1H-NMR studies. A mixture of 15% (w/v) γCD and 8% (w/v) HPβCD was selected for formulation studies. It was concluded that formulations with aggregate sizes less than 1 µm and viscosity around 10–19 centipoises can be easily prepared using a mixture of CDs. Formulations containing polymeric drug/CD nanoaggregates represent an interesting strategy for enhanced topical delivery of nepafenac.
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