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Pires CL, Moreno MJ. Improving the Accuracy of Permeability Data to Gain Predictive Power: Assessing Sources of Variability in Assays Using Cell Monolayers. MEMBRANES 2024; 14:157. [PMID: 39057665 PMCID: PMC11278619 DOI: 10.3390/membranes14070157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 07/05/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024]
Abstract
The ability to predict the rate of permeation of new compounds across biological membranes is of high importance for their success as drugs, as it determines their efficacy, pharmacokinetics, and safety profile. In vitro permeability assays using Caco-2 monolayers are commonly employed to assess permeability across the intestinal epithelium, with an extensive number of apparent permeability coefficient (Papp) values available in the literature and a significant fraction collected in databases. The compilation of these Papp values for large datasets allows for the application of artificial intelligence tools for establishing quantitative structure-permeability relationships (QSPRs) to predict the permeability of new compounds from their structural properties. One of the main challenges that hinders the development of accurate predictions is the existence of multiple Papp values for the same compound, mostly caused by differences in the experimental protocols employed. This review addresses the magnitude of the variability within and between laboratories to interpret its impact on QSPR modelling, systematically and quantitatively assessing the most common sources of variability. This review emphasizes the importance of compiling consistent Papp data and suggests strategies that may be used to obtain such data, contributing to the establishment of robust QSPRs with enhanced predictive power.
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Affiliation(s)
- Cristiana L. Pires
- Coimbra Chemistry Center—Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
- Chemistry Department, Faculty of Science and Technology, University of Coimbra, 3004-535 Coimbra, Portugal
| | - Maria João Moreno
- Coimbra Chemistry Center—Institute of Molecular Sciences (CQC-IMS), University of Coimbra, 3004-535 Coimbra, Portugal
- Chemistry Department, Faculty of Science and Technology, University of Coimbra, 3004-535 Coimbra, Portugal
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Fine-Shamir N, Dahan A. Solubility-enabling formulations for oral delivery of lipophilic drugs: considering the solubility-permeability interplay for accelerated formulation development. Expert Opin Drug Deliv 2024; 21:13-29. [PMID: 38124383 DOI: 10.1080/17425247.2023.2298247] [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: 10/25/2023] [Accepted: 12/19/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Tackling low water solubility of drug candidates is a major challenge in today's pharmaceutics/biopharmaceutics, especially by means of modern solubility-enabling formulations. However, drug absorption from these formulations oftentimes remains unchanged or even decreases, despite substantial solubility enhancement. AREAS COVERED In this article, we overview the simultaneous effects of the formulation on the solubility and the apparent permeability of the drug, and analyze the contribution of this solubility-permeability interplay to the success/failure of the formulation to increase the overall absorption and bioavailability. Three different patterns of interplay were identified: (1) solubility-permeability tradeoff in which every solubility gain comes with a price of concomitant permeability loss; (2) an advantageous interplay pattern in which the permeability remains unchanged alongside the solubility gain; and (3) an optimal interplay pattern in which the formulation increases both the solubility and the permeability. Passive vs. active intestinal permeability considerations in the context of the solubility-permeability interplay are also thoroughly discussed. EXPERT OPINION The solubility-permeability interplay pattern of a given formulation has a critical effect on its overall success/failure, and hence, taking into account both parameters in solubility-enabling formulation development is prudent and highly recommended.
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Affiliation(s)
- Noa Fine-Shamir
- Department of Clinical Pharmacology, School of Pharmacy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Arik Dahan
- Department of Clinical Pharmacology, School of Pharmacy, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
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Elsebay MT, Eissa NG, Balata GF, Kamal MA, Elnahas HM. Nanosuspension: A Formulation Technology for Tackling the Poor Aqueous Solubility and Bioavailability of Poorly Soluble Drugs. Curr Pharm Des 2023; 29:2297-2312. [PMID: 37694786 DOI: 10.2174/1381612829666230911105922] [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: 04/05/2023] [Revised: 07/03/2023] [Accepted: 07/20/2023] [Indexed: 09/12/2023]
Abstract
The poor water solubility of numerous novel drug candidates presents significant challenges, particularly in terms of oral administration. This limitation can result in various undesirable clinical implications, such as inter-patient variability, poor bioavailability, difficulties in achieving a safe therapeutic index, increased costs, and potential risks of toxicity or inefficacy. Biopharmaceutics Classification System (BCS) class II drugs face particular hurdles due to their limited solubility in the aqueous media of the gastrointestinal tract. In such cases, parenteral administration is often employed as an alternative strategy. To address these challenges, nanosuspension techniques offer a promising solution for enhancing drug solubility and overcoming oral delivery obstacles. This technique has the potential to bridge the gap between drug discovery and preclinical use by resolving problematic solubility. This literature review has delved into contemporary nanosuspension preparation technologies and the incorporation of stabilizing ingredients within the formulation. Furthermore, the manuscript explores nanosuspension strategies for both oral and parenteral/other delivery routes, and separate discussions have been presented to establish a suitable flow that addresses the challenges and strategies relevant to each administration method.
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Affiliation(s)
- Mohamed T Elsebay
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Galala University, Suez, Egypt
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Noura G Eissa
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
- School of Biotechnology and Science Academy, Badr University in Cairo, Badr City, Cairo, 11829, Egypt
| | - Gehan F Balata
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
- Department of Pharmacy Practice, Faculty of Pharmacy, Heliopolis University, Cairo, Egypt
| | - Mohammad Amjad Kamal
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Birulia, Bangladesh
- Enzymoics, 7 Peterlee Place, Hebersham, NSW 2770, Australia
- Novel Global Community Educational Foundation, Hebersham, NSW 2770, Australia
| | - Hanan M Elnahas
- Department of Pharmaceutics, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
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Zupančič O, Spoerk M, Paudel A. Lipid-based solubilization technology via hot melt extrusion: promises and challenges. Expert Opin Drug Deliv 2022; 19:1013-1032. [PMID: 35943158 DOI: 10.1080/17425247.2022.2112173] [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: 11/04/2022]
Abstract
INTRODUCTION Self-emulsifying drug delivery systems (SEDDS) are a promising strategy to improve the oral bioavailability of poorly water-soluble drugs (PWSD). The excipients of SEDDS enable permeation through the mucus and gastro-intestinal barrier, inhibiting efflux transporters (e.g. P-glycoprotein) of drugs. Poor drug loading capacity and formulation instability are the main setbacks of traditional SEDDS. The use of polymeric precipitation inhibitors was shown to create supersaturable SEDDS with increased drug payload, and their solidification can help to overcome the instability challenge. As an alternative to several existing SEDDS solidification technologies, hot melt extrusion (HME) holds the potential for lean and continuous manufacturing of supersaturable solid-SEDDS. Despite being ubiquitously applied in solid lipid and polymeric processing, HME has not yet been widely considered for the preparation of SEDDS. AREAS COVERED The review begins with the rationale why SEDDS as the preferred lipid-based delivery systems (LBDS) is suitable for the oral delivery of PWSD and discusses the common barriers to oral administration. The potential of LBDS to surmount them is discussed. SEDDS as the flagship of LBDS for PWSD is proposed with a special emphasis on solid-SEDDS. Finally, the opportunities and challenges of HME from the lipid-based excipient (LBE) processing and product performance standpoint are highlighted. EXPERT OPINION HME can be a continuous, solvent-free, cost-effective, and scalable technology for manufacturing solid supersaturable SEDDS. Several critical formulations and process parameters in successfully preparing SEDDS via HME are identified.
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Affiliation(s)
- Ožbej Zupančič
- Research Center Pharmaceutical Engineering GmbH, Inffeldgasse 13, 8010 Graz, Austria
| | - Martin Spoerk
- Research Center Pharmaceutical Engineering GmbH, Inffeldgasse 13, 8010 Graz, Austria
| | - Amrit Paudel
- Research Center Pharmaceutical Engineering GmbH, Inffeldgasse 13, 8010 Graz, Austria.,Institute of Process and Particle Engineering, Graz University of Technology, Inffeldgasse 13, 8010 Graz, Austria
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An Oral 3D Printed PLGA-Tocopherol PEG Succinate Nanocomposite Hydrogel for High-Dose Methotrexate Delivery in Maintenance Chemotherapy. Biomedicines 2022; 10:biomedicines10071470. [PMID: 35884775 PMCID: PMC9313284 DOI: 10.3390/biomedicines10071470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 05/27/2022] [Accepted: 06/13/2022] [Indexed: 11/26/2022] Open
Abstract
High-dose methotrexate (HDMTX) is one of the chemotherapeutic agents used to treat a variety of cancers in both adults and children. However, the toxicity associated with HDMTX has resulted in the spread of infections and treatment interruption. Further, poor bioavailability due to efflux pump activities mediated by P-glycoprotein has also been linked to poor therapeutic effects of methotrexate following oral administrations. D-α-Tocopheryl poly-ethylene glycol 1000 succinate (TPGS) is known to improve the bioavailability of poorly soluble drugs by inhibiting P-gp efflux activities, thus enhancing cellular uptake. Therefore, to achieve improved bioavailability for MTX, this study aimed to design and develop a novel drug delivery system employing TPGS and a biodegradable polymer, i.e., PLGA, to construct methotrexate-loaded nanoparticles fixated in alginate-gelatine 3D printable hydrogel ink to form a solid 3D printed tablet for oral delivery. The results indicated that high accuracy (>95%) of the 3D printed tablets was achieved using a 25 G needle. In vitro, drug release profiles were investigated at pH 1.2 and pH 7.4 to simulate the gastrointestinal environment. The in vitro release profile displayed a controlled and prolonged release of methotrexate over 24 h. The in silico modeling study displayed P-gp ATPase inhibition, suggesting enhanced MTX absorption from the gastrointestinal site. The 3D-printed hydrogel-based tablet has the potential to overcome the chemotherapeutic challenges that are experienced with conventional therapies.
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Liu X, Ge W. The Emerging Role of Ultrasonic Nanotechnology for Diagnosing and Treatment of Diseases. Front Med (Lausanne) 2022; 9:814986. [PMID: 35273976 PMCID: PMC8901503 DOI: 10.3389/fmed.2022.814986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/25/2022] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology has been commonly used in a variety of applications in recent years. Nanomedicine has also gotten a lot of attention in the medical and treatment fields. Ultrasonic technology is already being used in research as a powerful tool for manufacturing nonmaterial and in the decoration of catalyst supports for energy applications and material processing. For the development of nanoparticles and the decoration of catalytic assisted powders with nanoparticles, low or high-frequency Ultrasonic are used. The Ultrasonic is frequently used in joint venture with the nanotechnology from the past few years and bring tremendous success in various diseases diagnosing and treatment. Numerous kinds of nanoparticles are fabricated with desired capabilities and targeted toward different targets. This review first highlights the Ultrasonic Treatment and processing of Nanoparticles for Pharmaceuticals. Next, we explain various nanoparticles with ultrasonic technology for different diagnosing and treatment of various diseases. Finally, we explain the challenges face by current approaches for their translation in clinics.
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Affiliation(s)
- Xinying Liu
- Department of Ultrasonography, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Medical College, Hangzhou, China
| | - Weidong Ge
- Department of Ultrasonography, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Medical College, Hangzhou, China
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Kumbhar PS, Nadaf S, Manjappa AS, Jha NK, Shinde SS, Chopade SS, Shete AS, Disouza JI, Sambamoorthy U, Kumar SA. D-ɑ-tocopheryl polyethylene glycol succinate: A review of multifarious applications in nanomedicines. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100036] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Rathod S, Desai H, Patil R, Sarolia J. Non-ionic Surfactants as a P-Glycoprotein(P-gp) Efflux Inhibitor for Optimal Drug Delivery-A Concise Outlook. AAPS PharmSciTech 2022; 23:55. [PMID: 35043278 DOI: 10.1208/s12249-022-02211-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 01/03/2022] [Indexed: 12/11/2022] Open
Abstract
Significant research efforts have been devoted to unraveling the mystery of P-glycoprotein(P-gp) in drug delivery applications. The efflux membrane transporter P-gp is widely distributed in the body and accountable for restricting drug absorption and bioavailability. For these reasons, it is the primary cause of developing multidrug resistance (MDR) in most drug delivery applications. Therefore, P-gp inhibitors must be explored to address MDR and the low bioavailability of therapeutic substrates. Several experimental models in kinetics and dynamic studies identified the sensitivity of drug molecules and excipients as a P-gp inhibitor. In this review, we aimed to emphasize nonionic surface-active agents for effective reversal of P-gp inhibition. As it is inert, non-toxic, noncharged, and quickly reaching the cytosolic lipid membrane (the point of contact with P-gp efflux protein) enables it to be more efficient as P-gp inhibitors. Moreover, nonionic surfactant improves drug absorption and bioavailability through the various mechanism, involving (i) association of drug with surfactant improves solubilization, facilitating its cell penetration and absorption; (ii) weakening the lateral membrane packing density, facilitating the passive drug influx; and (iii) inhibition of the ATP binding cassette of transporter P-glycoprotein. The application of nonionic surfactant as P-gp inhibitors is well established and supported by various experiments. Altogether, herein, we have primarily focused on various nonionic surfactants and their development strategies to conquer the MDR-causing effects of P-gp efflux protein in drug delivery. Graphical Abstract.
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Metry M, Polli JE. Evaluation of Excipient Risk in BCS Class I and III Biowaivers. AAPS J 2022; 24:20. [PMID: 34988701 PMCID: PMC8817461 DOI: 10.1208/s12248-021-00670-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/30/2021] [Indexed: 12/26/2022] Open
Abstract
The objective of this review article is to summarize literature data pertinent to potential excipient effects on intestinal drug permeability and transit. Despite the use of excipients in drug products for decades, considerable research efforts have been directed towards evaluating their potential effects on drug bioavailability. Potential excipient concerns stem from drug formulation changes (e.g., scale-up and post-approval changes, development of a new generic product). Regulatory agencies have established in vivo bioequivalence standards and, as a result, may waive the in vivo requirement, known as a biowaiver, for some oral products. Biowaiver acceptance criteria are based on the in vitro characterization of the drug substance and drug product using the Biopharmaceutics Classification System (BCS). Various regulatory guidance documents have been issued regarding BCS-based biowaivers, such that the current FDA guidance is more restrictive than prior guidance, specifically about excipient risk. In particular, sugar alcohols have been identified as potential absorption-modifying excipients. These biowaivers and excipient risks are discussed here. Graphical Abstract ![]()
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Affiliation(s)
- Melissa Metry
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA
| | - James E Polli
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland, USA.
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Amarachi CS, Attama AA, Onunkwo GC. Assessment of the Anti-Malarial Properties of Dihydroartemisinin- Piperaquine Phosphate Solid Lipid-Based Tablets. RECENT ADVANCES IN ANTI-INFECTIVE DRUG DISCOVERY 2022; 17:103-117. [PMID: 35670344 DOI: 10.2174/2772434417666220606105822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 04/05/2022] [Accepted: 04/15/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Artemisininbased combination therapies (ACTs) typified by dihydroartemisinin- piperaquine phosphate are first-line drugs used in the treatment of Plasmodium falciparum malaria. However, the emergence of drug resistance to ACTs shows the necessity to develop novel sustained release treatments in order to ensure maximum bioavailability. OBJECTIVES To formulate dihydroartemisinin (DHA)-piperaquine phosphate (PQ) sustained release tablets based on solidified reverse micellar solutions (SRMS). METHODS The SRMS was prepared by fusion using varying ratios of Phospholipon® 90H and Softisan® 154 and characterised. The tablets were prepared by using an in-house made and validated mould. The formulations were tested for uniformity of weight, hardness, friability, softening time, erosion time and in vitro-in vivo dissolution rate. Antimalarial properties were studied using modified Peter's 4-days suppressive test in mice. One-way analysis of variance (ANOVA) was used in the analysis of results. RESULTS Smooth caplets, with average weight of 1300 ± 0.06 mg to 1312 ± 0.11 mg, drug content of 61 mg for DHA and t 450 mg for PQ. Tablet hardness ranged from 7.1 to 9.0 Kgf and softening time of 29.50 ± 1.90 min. Erosion time of 62.00 ± 2.58 to 152.00 ± 1.89 min were obtained for tablets formulated with Poloxamer 188 (Batches R2, S2 and T2) which significantly reduced the softening and erosion time (p < 0.05). In vitro release showed that the optimized formulations had a maximum release at 12 h. Formulations exhibited significantly higher parasitaemia clearance and in vivo absorption compared to marketed formulations at day 7 (p < 0.05). CONCLUSION DHA-PQ tablets based on SRMS were much easier and relatively cheaper to produce than compressed tablets. They also showed exceptionally better treatment of malaria owing to their sustained release properties and improved bioavailability and are recommended to Pharmaceutical companies for further studies.
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Affiliation(s)
- Chime Salome Amarachi
- Department of Pharmaceutical Technology and Industrial Pharmacy, University of Nigeria, Nsukka 410001, Nigeria
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de Oliveira Pacheco C, de Gomes MG, da Silva Neto MR, Parisotto AJM, Dos Santos RB, Maciel TR, Ribeiro ACF, Giacomeli R, Haas SE. Surface-functionalized curcumin-loaded polymeric nanocapsules could block apomorphine-induced behavioral changes in rats. Pharmacol Rep 2021; 74:135-147. [PMID: 34739705 DOI: 10.1007/s43440-021-00331-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Surface functionalization enhances the properties and characteristics of polymeric nanocapsules (NCs) mainly due to the surface charge, surfactants, and polymer coating type. Curcumin (CUR) is a bioactive compound with several proven pharmacological properties and low bioavailability. This study aimed to develop anionic (poly-ɛ-caprolactone; PCL) and cationic (Eudragit® RS100 (EUD)) NCs prepared with sorbitan monostearate (Span 60®) or sorbitan monooleate (Span 80®), coated with d-α-tocopherol polyethylene glycol 1000 succinate (TPGS) and optimized using 23 factorial analysis. Subsequently, the biological activity was evaluated. METHODS A two-level, three-factor design (polymer, Span type, and TPGS concentration) was used. The biological effects of CUR-loaded TPGS-coated cationic and anionic NCs were assessed in apomorphine-induced stereotyped behavior in rats. RESULTS The type of polymer (anionic or cationic) and Span® had a factorial influence on the physical and chemical characteristics of NCs according to the changes in TPGS concentrations. Both cationic and anionic CUR-NCs could block apomorphine-induced behavioral changes. CONCLUSIONS The CUR-loaded TPGS-coated NCs proved to be a promising brain delivery system.
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Affiliation(s)
- Camila de Oliveira Pacheco
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Marcelo Gomes de Gomes
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Manoel Rodrigues da Silva Neto
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Alcides José Martins Parisotto
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Renata Bem Dos Santos
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Tamara Ramos Maciel
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Santa Maria, Av. Roraima no. 1000, Santa Maria, RS, 97105-900, Brazil
| | - Ana Cláudia Funguetto Ribeiro
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Renata Giacomeli
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil
| | - Sandra Elisa Haas
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil.
- Postgraduate Program in Pharmaceutical Sciences, Federal University of Santa Maria, Av. Roraima no. 1000, Santa Maria, RS, 97105-900, Brazil.
- Postgraduate Program in Biochemistry, Federal University of Pampa, Campus Uruguaiana, BR 472, Km 7, Uruguaiana, RS, 97500-970, Brazil.
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Zhao X, Ye Y, Ge S, Sun P, Yu P. Cellular and Molecular Targeted Drug Delivery in Central Nervous System Cancers: Advances in Targeting Strategies. Curr Top Med Chem 2021; 20:2762-2776. [PMID: 32851962 DOI: 10.2174/1568026620666200826122402] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/10/2019] [Accepted: 10/16/2019] [Indexed: 12/12/2022]
Abstract
Central nervous system (CNS) cancers are among the most common and treatment-resistant diseases. The main reason for the low treatment efficiency of the disorders is the barriers against targeted delivery of anticancer agents to the site of interest, including the blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB). BBB is a strong biological barrier separating circulating blood from brain extracellular fluid that selectively and actively prevents cytotoxic agents and majority of anticancer drugs from entering the brain. BBB and BBTB are the major impediments against targeted drug delivery into CNS tumors. Nanotechnology and its allied modalities offer interesting and effective delivery strategies to transport drugs across BBB to reach brain tissue. Integrating anticancer drugs into different nanocarriers improves the delivery performance of the resultant compounds across BBB. Surface engineering of nanovehicles using specific ligands, antibodies and proteins enhances the BBB crossing efficacy as well as selective and specific targeting to the target cancerous tissues in CNS tumors. Multifunctional nanoparticles (NPs) have brought revolutionary advances in targeted drug delivery to brain tumors. This study reviews the main anatomical, physiological and biological features of BBB and BBTB in drug delivery and the recent advances in targeting strategies in NPs-based drug delivery for CNS tumors. Moreover, we discuss advances in using specific ligands, antibodies, and surface proteins for designing and engineering of nanocarriers for targeted delivery of anticancer drugs to CNS tumors. Finally, the current clinical applications and the perspectives in the targeted delivery of therapeutic molecules and genes to CNS tumors are discussed.
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Affiliation(s)
- Xin Zhao
- Department of Pharmacy, Beilun People's Hospital, Ningbo 315800, Zhejiang Province, China
| | - Yun Ye
- Department of Pharmacy, Beilun People's Hospital, Ningbo 315800, Zhejiang Province, China
| | - Shuyu Ge
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Pingping Sun
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
| | - Ping Yu
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou 310012, Zhejiang Province, China
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Progress in the study of D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) reversing multidrug resistance. Colloids Surf B Biointerfaces 2021; 205:111914. [PMID: 34130211 DOI: 10.1016/j.colsurfb.2021.111914] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/28/2021] [Accepted: 06/06/2021] [Indexed: 12/13/2022]
Abstract
Currently, multidrug resistance (MDR) is one of the major reasons for failure in clinical cancer chemotherapy. Overexpression of the ATP binding cassette (ABC) transporter P-glycoprotein (P-gp), which significantly increases the efflux of anticancer drugs from tumor cells, enhances MDR. In the past few decades, four generations of P-gp inhibitors have appeared. However, they are limited in clinical application due to their severe toxic side effects. As a P-gp inhibitor and carrier for loading chemotherapy agents, TPGS has received increasing attention due to its advantages and unique properties of reversing MDR. TPGS is an amphipathic agent that increases the solubility of most chemotherapy drugs and decreases severe side effects. In addition, TPGS is an excellent carrier with P-gp-inhibiting ability. In this review, we summarize the latest articles on TPGS-based nanodelivery systems to prevent MDR.
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Yang L, Wu P, Xu J, Xie D, Wang Z, Wang Q, Chen Y, Li CH, Zhang J, Chen H, Quan G. Development of Apremilast Solid Dispersion Using TPGS and PVPVA with Enhanced Solubility and Bioavailability. AAPS PharmSciTech 2021; 22:142. [PMID: 33893566 DOI: 10.1208/s12249-021-02005-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/27/2021] [Indexed: 12/16/2022] Open
Abstract
Apremilast (APST) is an effective inhibitor of phosphodieasterase 4 (PDE4) which is the first oral drug for the treatment of adult patients with active psoriatic arthritis. However, Apremilast's low solubility restricts its dissolution and bioavailability. In this study, APST solid dispersion with D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) and Poly(1-vinylpyrrolidone-co-vinyl acetate) (PVPVA) was developed to improve the dissolution and bioavailability of APST by spray drying. A series of TPGS were synthesized to elucidate the effect of the ratio of monoester to diester on solubilizing capacity. X-ray powder diffraction (XRPD), differential scanning calorimetry (DSC), and Fourier transform infrared spectrophotometry (FT-IR) were used to characterize the solid dispersion, and the results showed that APST was amorphous in solid dispersion. In vitro dissolution study showed that the dissolution rate of solid dispersion in phosphate buffered saline (pH 6.8) was remarkably increased, reaching a release of 90% within 10 min. Moreover, in vivo pharmacokinetics study revealed that the bioavailability of solid dispersion in rats had significant improvement. In particular, its Cmax and AUClast were nearly 22- and 12.9-fold greater as compared to APST form B, respectively. In conclusion, APST solid dispersion with TPGS and PVPVA is an alternative drug delivery system to improve the solubility and oral bioavailability of APST.
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Ammar HO, Ghorab MM, Saleh MS, Ghoneim AM. Olanzapine Mesoporous Nanostructured Lipid Carrier: Optimization, Characterization, In Vivo Assessment, and Physiologically Based Pharmacokinetic Modeling. IEEE Trans Nanobioscience 2021; 20:166-174. [PMID: 33493118 DOI: 10.1109/tnb.2021.3052080] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A promising approach has been emerging to enhance dissolution of hydrophobicdrugsby encapsulation in mesoporous silica materials. Olanzapine is a practically insoluble antipsychotic drug which is subjected to excessive first pass effect and shows inadequate oral bioavailability. Therefore, mesoporous silica was used to improve bioavailability of olanzapine incorporated in nano-structured lipid carriers (NLCs). These systems were characterized for their particle size, polydispersity index (PDI), zeta potential, entrapment efficiency (EE) and differential scanning calorimetry (DSC) as well asits release profile. The optimized mesoporous NLC system displayed nano-spherical particles (120.56 nm), possessed high entrapment efficiency (88.46%) and the highest percentage of drug released after six hours (75.13%). The biological performance of the optimized system was assessed in comparison with the drug suspension in healthy albino rabbits. The optimized system showed significantly (P < 0.05) prolonged MRT (8.47 h), higher Cmax (22.12± 0.40 ng/ml) and Tmax (2.0 h) values compared to drug suspension. Physiologically based pharmacokinetic (PBPK) model was simulated and verified. All the predicted results were within 0.6 and 1-fold of the reported data. To set a conclusion, in vitro results as well as in vivo pharmacokinetic study and PBPK data showed an enhancement in bioavailability of the optimized NLCs system over the plain drug suspension. These results proved the potentiality of incorporating olanzapine in mesoporous NLC for a significant improvement in oral bioavailability of olanzapine.
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17
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Chen ML, Lai CJ, Lin YN, Huang CM, Lin YH. Multifunctional nanoparticles for targeting the tumor microenvironment to improve synergistic drug combinations and cancer treatment effects. J Mater Chem B 2020; 8:10416-10427. [PMID: 33112350 DOI: 10.1039/d0tb01733g] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Docetaxel-based chemotherapy for prostate cancer is the clinical standard of care. However, nonspecific targeting, multiple drug resistance, and adverse side effects are common obstacles. Various natural compounds, including epigallocatechin-3-gallate (EGCG) in combination with taxane, have the potential to be developed as anticancer therapeutics. Although synergistic hydrophobic-hydrophilic combination drugs have been used with some success, the main drawbacks of this approach are poor bioavailability, unfavorable pharmacokinetics, and low tissue distribution. To improve their synergistic effect and overcome limitations, we encapsulated EGCG and low-dose docetaxel within TPGS-conjugated hyaluronic acid and fucoidan-based nanoparticles. This approach might facilitate simultaneous target-specific markers at the edge and center of the tumor and then might increase intratumoral drug accumulation. Additionally, the successful release of bioactive combination drugs was regulated by the pH-sensitive nanoparticles and internalization into prostate cancer cells through CD44 and P-selectin ligand recognition, and the inhibition of cell growth via induced G2/M phase cell cycle arrest was observed in in vitro study. In in vivo studies, treatment with cancer-targeted combination drug-loaded nanoparticles significantly attenuated tumor growth and increased M30 protein expression without causing organ damage. Overall, the multifunctional nanoparticle system improved the drugs' synergistic effect, indicating great potential in its development as a prostate cancer treatment.
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Affiliation(s)
- Mei-Lin Chen
- Department of Pharmacy, Chen Hsin General Hospital, Taipei, Taiwan
| | - Chih-Jen Lai
- Faculty of Pharmacy, National Yang-Ming University, Taipei, Taiwan.
| | - Yi-Nan Lin
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Chien-Ming Huang
- Department of Pharmacy, Chen Hsin General Hospital, Taipei, Taiwan
| | - Yu-Hsin Lin
- Faculty of Pharmacy, National Yang-Ming University, Taipei, Taiwan. and Institute of Biopharmaceutical Sciences, Department and Institute of Pharmacology, Center for Advanced Pharmaceutics and Drug Delivery Research, National Yang-Ming University, Taipei, Taiwan and Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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18
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Zhao X, Li L, Chen M, Xu Y, Zhang S, Chen W, Liang W. Nanotechnology Assisted Targeted Drug Delivery for Bone Disorders: Potentials and Clinical Perspectives. Curr Top Med Chem 2020; 20:2801-2819. [PMID: 33076808 DOI: 10.2174/1568026620666201019110459] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 04/26/2020] [Accepted: 04/30/2020] [Indexed: 12/18/2022]
Abstract
Nanotechnology and its allied modalities have brought revolution in tissue engineering and bone healing. The research on translating the findings of the basic and preclinical research into clinical practice is ongoing. Advances in the synthesis and design of nanomaterials along with advances in genomics and proteomics, and tissue engineering have opened a bright future for bone healing and orthopedic technology. Studies have shown promising outcomes in the design and fabrication of porous implant substrates that can be exploited as bone defect augmentation and drug-carrier devices. However, there are dozens of applications in orthopedic traumatology and bone healing for nanometer-sized entities, structures, surfaces, and devices with characteristic lengths ranging from tens 10s of nanometers to a few micrometers. Nanotechnology has made promising advances in the synthesis of scaffolds, delivery mechanisms, controlled modification of surface topography and composition, and biomicroelectromechanical systems. This study reviews the basic and translational sciences and clinical implications of the nanotechnology in tissue engineering and bone diseases. Recent advances in NPs assisted osteogenic agents, nanocomposites, and scaffolds for bone disorders are discussed.
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Affiliation(s)
- Xiaofeng Zhao
- Department of Orthopaedics, Shaoxing People's Hospital, (Shaoxing Hospital, Zhejiang University School of Medicine), 568# Zhongxing North Road, Shaoxing 312000, Zhejiang Province, China
| | - Laifeng Li
- Department of Traumatic Orthopedics, Affiliated Jinan Third Hospital of Jining Medical University, Jinan 250132, Shandong Province, China
| | - Meikai Chen
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan 316000, Zhejiang Province, China
| | - Yifan Xu
- Department of Orthopaedics, Shaoxing People's Hospital, (Shaoxing Hospital, Zhejiang University School of Medicine), 568# Zhongxing North Road, Shaoxing 312000, Zhejiang Province, China
| | - Songou Zhang
- Department of Orthopaedics, Shaoxing People's Hospital, (Shaoxing Hospital, Zhejiang University School of Medicine), 568# Zhongxing North Road, Shaoxing 312000, Zhejiang Province, China
| | - Wangzhen Chen
- Department of Orthopaedics, Shaoxing People's Hospital, (Shaoxing Hospital, Zhejiang University School of Medicine), 568# Zhongxing North Road, Shaoxing 312000, Zhejiang Province, China
| | - Wenqing Liang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan 316000, Zhejiang Province, China
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19
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Sotthivirat S, Ramesh R, Wasylaschuk W, Bottone C, Xia B, Stellabott J, McNevin M, Skomski D, Brown C. Effect of TPGS surfactant on dissolution sensitivity of a poorly water-soluble drug using high-shear wet granulation. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.07.093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Harshita, Barkat MA, Das SS, Pottoo FH, Beg S, Rahman Z. Lipid-Based Nanosystem As Intelligent Carriers for Versatile Drug Delivery Applications. Curr Pharm Des 2020; 26:1167-1180. [DOI: 10.2174/1381612826666200206094529] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 01/19/2020] [Indexed: 01/15/2023]
Abstract
:The contemporary drug discovery research shows that most of the drug candidates are highly potent, but showing poor aqueous solubility leads a variety of challenges for formulation scientists to develop a suitable formulation to improve the systemic bioavailability of such drugs. Lipid-based nanocarriers act as a major and most projecting approach overcoming the limitations which affect several physiochemical properties of drug such as the solubility, partition coefficient and bioavailability or absorption. This also fulfills a variety of product requirements and helps to overcome several limitations as decided by symptoms of the disease, various routes of administration of drug, price concern, increasing strength of product, noxious or harmful effect of drug, and dose efficacy. The lipidic nanosystem formulates aqueous drug in lipid base and is also a commercially feasible approach for the formulation of different dosage forms meant for topical or transdermal, oral, ocular, pulmonary, and parenteral delivery. This review provides a brief on lipid-based drug delivery nanocarrier and the mechanisms by which lipids and lipidic excipients improve the oral absorption of drugs with poor aqueous solubility and also provide a viewpoint on the promising applications of lipidic nanoparticulate systems.
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Affiliation(s)
- Harshita
- Department of Pharmaceutics, College of Pharmacy, University of Hafr Al Batin, Al Jamiah, Hafr Al Batin 39524, Saudi Arabia
| | - Md. Abul Barkat
- Department of Pharmaceutics, College of Pharmacy, University of Hafr Al Batin, Al Jamiah, Hafr Al Batin 39524, Saudi Arabia
| | - Sabya S. Das
- Department of Pharmaceutical Sciences & Technology, BIT, Mesra, Ranchi-835215, Jharkhand, India
| | - Faheem H. Pottoo
- Department of Pharmacology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University (Formerly University of Dammam), 31441, Dammam, Saudi Arabia
| | - Sarwar Beg
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Ziyaur Rahman
- Department of Pharmaceutical Sciences, Irma Lerma Rangel College of Pharmacy, Texas A&M University, College Station , TX 77843, United States
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21
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Lavan M, Knipp G. Considerations for Determining Direct Versus Indirect Functional Effects of Solubilizing Excipients on Drug Transporters for Enhancing Bioavailability. J Pharm Sci 2020; 109:1833-1845. [PMID: 32142715 DOI: 10.1016/j.xphs.2020.02.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/26/2020] [Accepted: 02/26/2020] [Indexed: 12/16/2022]
Abstract
Excipients used in drug formulations at clinically safe levels have been considered to be pharmacologically inert; however, numerous studies have suggested that many solubilizing agents may modulate drug transporter activities and intestinal absorption. Here, the reported interactions between various solubilizing excipients and drug transporters are evaluated to consider various potential underlying mechanisms. This forms the basis for debate in the field in regard to whether or not the effects are based on "direct" interactions or "indirect" consequences arising from the role of the excipients. For example, an increase in apparent drug solubility can give rise to saturation of transporters according to Michaelis-Menten kinetics. This is also drawing the attention of regulatory agencies as they seek to understand the role of formulation additives. The continued application of excipients as a tool in solubility enhancement is crucial in the drug development process, creating a need for additional data to verify the proposed mechanism behind these changes. A literature review is provided here with some guidance on other factors that should be considered to delineate the effects that arise from direct physiological interactions or indirect effects. The results of such studies may aid the rational design of bioavailability-enhancing formulations.
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Affiliation(s)
- Monika Lavan
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, Indiana 47907
| | - Gregory Knipp
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, Indiana 47907.
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22
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Solid lipid nanoparticles and nanostructured lipid carriers in oral cancer drug delivery. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101458] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Caban-Toktas S, Sahin A, Lule S, Esendagli G, Vural I, Karlı Oguz K, Soylemezoglu F, Mut M, Dalkara T, Khan M, Capan Y. Combination of Paclitaxel and R-flurbiprofen loaded PLGA nanoparticles suppresses glioblastoma growth on systemic administration. Int J Pharm 2020; 578:119076. [PMID: 31988035 DOI: 10.1016/j.ijpharm.2020.119076] [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: 08/12/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 12/22/2022]
Abstract
Malignant gliomas are highly lethal. Delivering chemotherapeutic drugs to the brain in sufficient concentration is the major limitation in their treatment due to the blood-brain barrier (BBB). Drug delivery systems may overcome this limitation and can improve the transportation through the BBB. Paclitaxel is an antimicrotubule agent with effective anticancer activity but limited BBB permeability. R-Flurbiprofen is a nonsteroidal antienflammatory drug and has potential anticancer activity. Accordingly, we designed an approach combining R-flurbiprofen and paclitaxel and positively-charged chitosan-modified poly-lactide-co-glycolic acid (PLGA) nanoparticles (NPs) and to transport them to glioma tissue. NPs were characterized and, cytotoxicity and cellular uptake studies were carried out in vitro. The in vivo efficacy of the combination and formulations were evaluated using a rat RG2 glioma tumor model. Polyethylene glycol (PEG) modified and chitosan-coated PLGA NPs demonstrated efficient cytotoxic activity and were internalized by the tumor cells in RG2 cell culture. In vivo studies showed that the chitosan-coated and PEGylated NPs loaded with paclitaxel and R-flurbiprofen exhibited significantly higher therapeutic activity against glioma. In conclusion, PLGA NPs can efficiently carry their payloads to glioma tissue and the combined use of anticancer and anti-inflammatory drugs may exert additional anti-tumor activity.
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Affiliation(s)
- Secil Caban-Toktas
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Adem Sahin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Sevda Lule
- Institute of Neurological Sciences and Psychiatry, Hacettepe University, Ankara, Turkey
| | - Gunes Esendagli
- Department of Basic Oncology, Hacettepe University Cancer Institute, Ankara, Turkey.
| | - Imran Vural
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.
| | - Kader Karlı Oguz
- Department of Radiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey; National Magnetic Resonance Research Center (UMRAM), Bilkent University, Ankara, Turkey
| | - Figen Soylemezoglu
- Department of Pathology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
| | - Melike Mut
- Department of Neurosurgery, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
| | - Turgay Dalkara
- Department of Neurology, Faculty of Medicine and Institute of Neurological Sciences and Psychiatry, Hacettepe University, Ankara, Turkey.
| | - Mansoor Khan
- Texas A&M Health Science Center, Irma Lerma Rangel College of Pharmacy, Texas, USA.
| | - Yilmaz Capan
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.
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24
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Al-Ali AAA, Nielsen RB, Steffansen B, Holm R, Nielsen CU. Nonionic surfactants modulate the transport activity of ATP-binding cassette (ABC) transporters and solute carriers (SLC): Relevance to oral drug absorption. Int J Pharm 2019; 566:410-433. [DOI: 10.1016/j.ijpharm.2019.05.033] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 05/10/2019] [Accepted: 05/11/2019] [Indexed: 01/11/2023]
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25
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Nielsen S, Westerhoff AM, Gé LG, Carlsen KL, Pedersen MDL, Nielsen CU. MRP2-mediated transport of etoposide in MDCKII MRP2 cells is unaffected by commonly used non-ionic surfactants. Int J Pharm 2019; 565:306-315. [PMID: 31085259 DOI: 10.1016/j.ijpharm.2019.05.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/04/2019] [Accepted: 05/10/2019] [Indexed: 11/26/2022]
Abstract
The aim of the present study was to investigate the ability of non-ionic surfactants to inhibit MRP2-mediated transport in vitro in MDCKII MRP2 cells. Transport studies across MDCKII MRP2 cell monolayers were performed using 3H-etoposide and 3H-digoxin. 19 different non-ionic surfactants, including several polysorbates (PS), cremophor EL, vitamin E-TPGS, and n-nonyl β-D-glucopyranoside (NG), were investigated. Barrier function of the cells was investigated measuring TEER and transport of 14C-glycine. The amount of isotope was quantified using liquid scintillation counting. In MDCKII MRP2 cells a polarized transport of etoposide and digoxin in the secretory (basolateral to apical) direction with efflux ratios of 5.5 ± 0.7 and 18.5 ± 4.2, respectively, was measured. P-gp inhibitors such as valspodar and zosuquidar did not affect etoposide transport, and furthermore PS20 decreased secretory transport of digoxin, but not of etoposide. Transport of etoposide was therefore mainly MRP2-mediated and used as a probe to investigate pharmaceutical excipients. Non-ionic surfactants did not modulate etoposide transport across intact cell monolayers of MRP2 overexpressing MDCKII cells, although preliminary studies suggest that most were able to alter MRP2-mediated efflux of the fluorescent 5-chloromethylfluorescein (CMF). In conclusion, etoposide transport across MDCKII MRP2 cells was modulated by cyclosporin A, an inhibitor of MRP2 and P-gp, but not by specific P-gp inhibitors (valspodar and zosuquidar), which suggests that etoposide transport is primarily influenced by MRP2. In addition, commonly used non-ionic surfactants did not decrease MRP2-mediated etoposide transport in MDCKII MRP2 cells. These results suggest that etoposide transport in MDCKII MRP2 cells is a model system to investigate MRP2 interactions, and that surfactants may not have a large potential for increasing oral bioavailability of drugs through inhibition of MRP2 transport activity.
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Affiliation(s)
- Salli Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Anne Marijke Westerhoff
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Lorraine Gaenaelle Gé
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Krestine Lundgaard Carlsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Maria Diana Læssøe Pedersen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Carsten Uhd Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
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Guo HH, Feng CL, Zhang WX, Luo ZG, Zhang HJ, Zhang TT, Ma C, Zhan Y, Li R, Wu S, Abliz Z, Li C, Li XL, Ma XL, Wang LL, Zheng WS, Han YX, Jiang JD. Liver-target nanotechnology facilitates berberine to ameliorate cardio-metabolic diseases. Nat Commun 2019; 10:1981. [PMID: 31040273 PMCID: PMC6491597 DOI: 10.1038/s41467-019-09852-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 04/03/2019] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular and metabolic disease (CMD) remains a main cause of premature death worldwide. Berberine (BBR), a lipid-lowering botanic compound with diversified potency against metabolic disorders, is a promising candidate for ameliorating CMD. The liver is the target of BBR so that liver-site accumulation could be important for fulfilling its therapeutic effect. In this study a rational designed micelle (CTA-Mic) consisting of α-tocopheryl hydrophobic core and on-site detachable polyethylene glycol-thiol shell is developed for effective liver deposition of BBR. The bio-distribution analysis proves that the accumulation of BBR in liver is increased by 248.8% assisted by micelles. Up-regulation of a range of energy-related genes is detectable in the HepG2 cells and in vivo. In the high fat diet-fed mice, BBR-CTA-Mic intervention remarkably improves metabolic profiles and reduces the formation of aortic arch plaque. Our results provide proof-of-concept for a liver-targeting strategy to ameliorate CMD using natural medicines facilitated by Nano-technology.
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Affiliation(s)
- Hui-Hui Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Chen-Lin Feng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Wen-Xuan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Zhi-Gang Luo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Hong-Juan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Ting-Ting Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Chen Ma
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Yun Zhan
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Rui Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Song Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Zeper Abliz
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Cong Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Xiao-Lin Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Xiao-Lei Ma
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Lu-Lu Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Wen-Sheng Zheng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Yan-Xing Han
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Jian-Dong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
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27
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Chime SA, Attama AA, Onunkwo GC. Application of SRMS 154 as Sustained Release Matrix for the Delivery of Stavudine: In vitro and in vivo Evaluation and Effect of Poloxamer 188 on the Properties of the Tablets. Infect Disord Drug Targets 2019; 20:76-87. [PMID: 30868966 DOI: 10.2174/1871526519666190313162635] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/29/2018] [Accepted: 03/07/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Stavudine is an antiretroviral therapy with so many side effects and has a short half-life of 1.5 h. It degrades to thymine under hydrolytic, oxidative and photolytic conditions hence has major formulation challenges. OBJECTIVES To formulate sustained release lipid based stavudine and to study the properties of the formulations by in vitro and in vivo methods. METHODS Stavudine tablets were formulated by moulding using validated tablets moulds. The carrier used were solidified reverse micellar solution (SRMS) made up of varying ratios of hydrogenated palm oil and Phospholipid admixtures. Evaluation tests were carried out on the tablets using both Pharmacopoeial and non Pharmacopoeial test. Drug release was studied in both simulated gastric fluid (SGF, pH 1.2) and simulated intestinal fluid (SIF, pH 7.2). In vivo release was studied using Wistar rats. RESULTS The results showed that stavudine tablets exhibited weight range of 372 ± 0.14 to 386 ± 0.52 mg, friability ranged from 0.00 to 0.13 % and hardness ranged from 4.27 ± 0.25 to 5.30 ± 0.21 Kgf. Tablets formulated with SRMS 1:2 had erosion time range of 60.80 ± 1.23 to 87.90 ± 2.33 min and was affected significantly by the presence of Poloxamer 188 (p < 0.05). The formulations exhibited T100 % at 10 to13 h in SIF. Stavudine tablets showed the area under the curve (AUC) of 854.0 μg/h/ml, significantly higher than the AUC of the reference (p < 0.05). CONCLUSION Stavudine SRMS-based tablets had good stability and sustained release properties. Formulations containing 1 % Poloxamer 188 exhibited enhanced in vivo absorption and hence could be used once daily in order to enhance the bioavailability of this drug.
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Affiliation(s)
- S A Chime
- Department of Pharmaceutical Technology and Industrial Pharmacy, University of Nigeria, Nsukka 410001, Nigeria
| | - A A Attama
- Department of Pharmaceutics, University of Nigeria, Nsukka 410001, Nigeria
| | - G C Onunkwo
- Department of Pharmaceutical Technology and Industrial Pharmacy, University of Nigeria, Nsukka 410001, Nigeria
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28
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Pollard J, Rajabi-Siahboomi A, Badhan RKS, Mohammed AR, Perrie Y. High-throughput screening of excipients with a biological effect: a kinetic study on the effects of surfactants on efflux-mediated transport. J Pharm Pharmacol 2019; 71:889-897. [DOI: 10.1111/jphp.13072] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/12/2019] [Indexed: 11/28/2022]
Abstract
Abstract
Objective
In this study, we develop and apply a high-throughput screening protocol to investigate the activity of non-ionic surfactants, with a broad range of hydrophilic–lipophilic balance values, against ABCB1-mediated efflux transport and ABCC2-mediated efflux transport.
Methods
Caco-2 cells were grown for 7 days in 96-well plates, then washed and incubated with the test materials for 2 h in the presence of 2.5 μm of either rhodamine 123 (R-123) or 5(6)-Carboxy-2′,7′ dichlorofluorescein diacetate as probes of ABCB1 and ABCC2, respectively.
Key findings
Of the surfactants tested, no activity against ABCC2 was detected and all surfactants showing efficacy against ABCB1 had a HLB value of 22 or below. Inhibition of ABCB1 was seen in the order of efficacy to be poloxamer 335 > poloxamer 40 > Crovol A-70 > Myrj S-40 > poloxamer 184 > poloxamer 182 > Etocas 40 > Tween 20 > Etocas 29 > Tween 80 > Acconon C-44 > Span 20. With regard to this inhibition, the distribution of hydrophilic regions is more important than the HLB value.
Conclusion
This work demonstrates a high-throughput protocol for detecting materials that can modulate ABCB1-mediated efflux. These surfactants could be exploited to improve oral delivery of drugs prone to efflux.
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Affiliation(s)
- John Pollard
- Aston Pharmacy School, School of Life and Health Sciences, Aston University, Birmingham, UK
| | | | - Raj K S Badhan
- Aston Pharmacy School, School of Life and Health Sciences, Aston University, Birmingham, UK
| | - Afzal R Mohammed
- Aston Pharmacy School, School of Life and Health Sciences, Aston University, Birmingham, UK
| | - Yvonne Perrie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
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Limeres MJ, Moretton MA, Bernabeu E, Chiappetta DA, Cuestas ML. Thinking small, doing big: Current success and future trends in drug delivery systems for improving cancer therapy with special focus on liver cancer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 95:328-341. [DOI: 10.1016/j.msec.2018.11.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 09/20/2018] [Accepted: 11/01/2018] [Indexed: 01/19/2023]
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Pluronic F127/Pluronic P123/vitamin E TPGS mixed micelles for oral delivery of mangiferin and quercetin: Mixture-design optimization, micellization, and solubilization behavior. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.10.089] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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31
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Pham CV, Baek JS, Park JH, Jung SH, Kang JS, Cho CW. A thorough analysis of the effect of surfactant/s on the solubility and pharmacokinetics of (S)-zaltoprofen. Asian J Pharm Sci 2018; 14:435-444. [PMID: 32104472 PMCID: PMC7032178 DOI: 10.1016/j.ajps.2018.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/21/2018] [Accepted: 10/02/2018] [Indexed: 10/27/2022] Open
Abstract
Until now, there are no publications about the preformulation studies on (S)-zaltoprofen ((S)-ZPF). Hence, we first investigated the solubility of (S)-ZPF, screened solubilizers and performed the pharmacokinetic study of (S)-ZPF in the presence of the solubilizers. The measurement of the solubility of (S)-ZPF in 26 different solvents was carried out, including d-alpha tocopheryl polyethylene glycol 1000 succinate (TPGS), 2-hydroxypropyl-β-cyclodextrin (HPCD), and mixtures of individual solvent. The plasma concentration of (S)-ZPF and the amount of (S)-ZPF retained in stomach were determined after oral (35.0 mg/kg) and intravenous (5.0 mg/kg) administration. The solubility of (S)-ZPF showed an increase of 484-fold in TPGS compared to its aqueous solubility. There was a significant increase of AUC0-24 h for pure (S)-ZPF in the TPGS group (813.59 ± 64.17 µg⋅h/ml) in comparison with AUC0-24 h in the HPCD group (595.57 ± 71.76 µg⋅h/ml) and water group (465.57 ± 90.89 µg⋅h/ml). In addition, the Tmax of (S)-ZPF in the TPGS group was 2 h, much faster than that in the HPCD or water groups (5.50 or 5.67 h, respectively). This suggested that TPGS played a significant role in the increase of solubility and bioavailability of (S)-ZPF.
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Affiliation(s)
- Cuong Viet Pham
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jong-Suep Baek
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jong-Hun Park
- Department of Herbology, College of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jong-Seong Kang
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Cheong-Weon Cho
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 34134, Republic of Korea
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32
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AboulFotouh K, Allam AA, El-Badry M, El-Sayed AM. Self-emulsifying drug–delivery systems modulate P-glycoprotein activity: role of excipients and formulation aspects. Nanomedicine (Lond) 2018; 13:1813-1834. [DOI: 10.2217/nnm-2017-0354] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Self-emulsifying drug–delivery systems (SEDDS) have been widely employed to ameliorate the oral bioavailability of P-glycoprotein (P-gp) substrate drugs and to overcome multidrug resistance in cancer cells. However, the role of formulation aspects in the reduced P-gp activity is not fully understood. In this review, we first explore the role of various SEDDS excipients in the reduced P-gp activity with the main emphasis on the effective excipient concentration range for excipient-mediated modulation of P-gp activity and then we discuss the synergistic effect of various formulation aspects on the excipient-mediated modulation of P-gp activity. This review provides an approach to develop a rationally designed SEDDS to overcome P-gp-mediated drug efflux.
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Affiliation(s)
- Khaled AboulFotouh
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Ayat A Allam
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Mahmoud El-Badry
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Ahmed M El-Sayed
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
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33
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Cacicedo ML, Islan GA, León IE, Álvarez VA, Chourpa I, Allard-Vannier E, García-Aranda N, Díaz-Riascos ZV, Fernández Y, Schwartz S, Abasolo I, Castro GR. Bacterial cellulose hydrogel loaded with lipid nanoparticles for localized cancer treatment. Colloids Surf B Biointerfaces 2018; 170:596-608. [PMID: 29975908 DOI: 10.1016/j.colsurfb.2018.06.056] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 06/14/2018] [Accepted: 06/25/2018] [Indexed: 12/19/2022]
Abstract
The use of hybrid materials, where a matrix sustains nanoparticles controlling the release of the chemotherapeutic drug, could be beneficial for the treatment of primary tumors prior or after surgery. This localized chemotherapy would guarantee high drug concentrations at the tumor site while precluding systemic drug exposure minimizing undesirable side effects. We combined bacterial cellulose hydrogel (BC) and nanostructured lipid carriers (NLCs) including doxorubicin (Dox) as a drug model. NLCs loaded with cationic Dox (NLCs-H) or neutral Dox (NLCs-N) were fully characterized and their cell internalization and cytotoxic efficacy were evaluated in vitro against MDA-MB-231 cells. Thereafter, a fixed combination of NLCs-H and NLCs-N loaded into BC (BC-NLCs-NH) was assayed in vivo into an orthotopic breast cancer mouse model. NLCs-H showed low encapsulation efficiency (48%) and fast release of the drug while NLCs-N showed higher encapsulation (97%) and sustained drug release. Both NLCs internalized via endocytic pathway, while allowing a sustained release of the Dox, which in turn rendered IC50 values below of those of free Dox. Taking advantage of the differential drug release, a mixture of NLCs-N and NLCs-H was encapsulated into BC matrix (BC-NLCs-NH) and assayed in vivo, showing a significant reduction of tumor growth, metastasis incidence and local drug toxicities.
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Affiliation(s)
- M L Cacicedo
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - G A Islan
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - I E León
- Chemical Inorganic Center (CEQUINOR, UNLP, CONICET), School of Sciences, National University of La Plata-CONICET (CCT La Plata), CP 1900 AJL, City of La Plata, Buenos Aires, Argentina
| | - V A Álvarez
- CoMP (Composite Materials Group), Research Institute of Material Science and Technology (INTEMA), Engineering School, National University of Mar del Plata, Av. Colón 10890, B7608FDQ, Mar del Plata, Argentina
| | - I Chourpa
- Université Francois-Rabelais de Tours, EA6295″Nanomedicaments et Nanosondes", 31 Avenue Monge, 37200, Tours, France
| | - E Allard-Vannier
- Université Francois-Rabelais de Tours, EA6295″Nanomedicaments et Nanosondes", 31 Avenue Monge, 37200, Tours, France
| | - N García-Aranda
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - Z V Díaz-Riascos
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - Y Fernández
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain
| | - S Schwartz
- Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain.
| | - I Abasolo
- Functional Validation & Preclinical Research (FVPR), CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Drug Delivery & Targeting Group, CIBBIM-Nanomedicine, Vall d'Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain; Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Barcelona, Spain.
| | - G R Castro
- Nanobiomaterials Lab, CINDEFI, School of Sciences, National University of La Plata-CONICET (CCT La Plata), 50 & 115 street, CP 1900 AJL, City of La Plata, Buenos Aires, Argentina.
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34
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Ikeuchi-Takahashi Y, Kobayashi A, Ishihara C, Matsubara T, Matsubara H, Onishi H. Influence of Polysorbate 60 on Formulation Properties and Bioavailability of Morin-Loaded Nanoemulsions with and without Low-Saponification-Degree Polyvinyl Alcohol. Biol Pharm Bull 2018; 41:754-760. [DOI: 10.1248/bpb.b17-00964] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | | | | | | | | | - Hiraku Onishi
- Department of Drug Delivery Research, Hoshi University
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35
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TPGS functionalized mesoporous silica nanoparticles for anticancer drug delivery to overcome multidrug resistance. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018. [DOI: 10.1016/j.msec.2017.11.040] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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36
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Suvarna VM, Sangave PC. HPLC Estimation, Ex vivo Everted Sac Permeability and In Vivo Pharmacokinetic Studies of Darunavir. J Chromatogr Sci 2018; 56:307-316. [DOI: 10.1093/chromsci/bmx113] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 12/19/2017] [Indexed: 01/17/2023]
Affiliation(s)
- Vasanti M Suvarna
- Department of Pharmaceutical Chemistry and Quality Assurance, SVKM’s Dr. Bhanuben Nanavati College of Pharmacy, V.L. Mehta Road, Vile Parle (West), Mumbai 400056, Maharashtra, India
| | - Preeti C Sangave
- Department of Pharmaceutical Sciences, School of Pharmacy and Technology Management, SVKM’s NMIMS, Mukesh Patel Technology Park, Bank of Tapi River, Mumbai-Agra Road, Shirpur 425405, Maharashtra, India
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37
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Liu T, Liu X, Xiong H, Xu C, Yao J, Zhu X, Zhou J, Yao J. Mechanisms of TPGS and its derivatives inhibiting P-glycoprotein efflux pump and application for reversing multidrug resistance in hepatocellular carcinoma. Polym Chem 2018. [DOI: 10.1039/c8py00344k] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have developed a TPGS–GA conjugate and TPGS–LA conjugate which possess more effective P-gp inhibition compared to TPGS because of the enhancement of hydrophilicity and negative charge.
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Affiliation(s)
- Tengfei Liu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Xiaoyan Liu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Hui Xiong
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Cheng Xu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Jianxu Yao
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Xiumei Zhu
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Jianping Zhou
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
| | - Jing Yao
- State Key Laboratory of Natural Medicines and Jiangsu Key Laboratory of Drug Ability of Biopharmaceuticals
- Department of Pharmaceutics
- China Pharmaceutical University
- Nanjing 210009
- PR China
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38
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Yang C, Wu T, Qi Y, Zhang Z. Recent Advances in the Application of Vitamin E TPGS for Drug Delivery. Theranostics 2018; 8:464-485. [PMID: 29290821 PMCID: PMC5743561 DOI: 10.7150/thno.22711] [Citation(s) in RCA: 247] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 10/03/2017] [Indexed: 12/22/2022] Open
Abstract
D-ɑ-tocopheryl polyethylene glycol succinate (Vitamin E TPGS or TPGS) has been approved by FDA as a safe adjuvant and widely used in drug delivery systems. The biological and physicochemical properties of TPGS provide multiple advantages for its applications in drug delivery like high biocompatibility, enhancement of drug solubility, improvement of drug permeation and selective antitumor activity. Notably, TPGS can inhibit the activity of ATP dependent P-glycoprotein and act as a potent excipient for overcoming multi-drug resistance (MDR) in tumor. In this review, we aim to discuss the recent advances of TPGS in drug delivery including TPGS based prodrugs, nitric oxide donor and polymers, and unmodified TPGS based formulations. These potential applications are focused on enhancing delivery efficiency as well as the therapeutic effect of agents, especially on overcoming MDR of tumors. It also demonstrates that the clinical translation of TPGS based nanomedicines is still faced with many challenges, which requires more detailed study on TPGS properties and based delivery system in the future.
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Affiliation(s)
- Conglian Yang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Tingting Wu
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Yan Qi
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
| | - Zhiping Zhang
- Tongji School of Pharmacy, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
- National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
- Hubei Engineering Research Center for Novel Drug Delivery System, Huazhong University of Science and Technology, Wuhan 430030, P.R. China
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39
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Concomitant solubility-permeability increase: Vitamin E TPGS vs. amorphous solid dispersion as oral delivery systems for etoposide. Eur J Pharm Biopharm 2017; 121:97-103. [DOI: 10.1016/j.ejpb.2017.09.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 09/15/2017] [Accepted: 09/24/2017] [Indexed: 12/24/2022]
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40
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McEvoy CL, Trevaskis NL, Feeney OM, Edwards GA, Perlman ME, Ambler CM, Porter CJH. Correlating in Vitro Solubilization and Supersaturation Profiles with in Vivo Exposure for Lipid Based Formulations of the CETP Inhibitor CP-532,623. Mol Pharm 2017; 14:4525-4538. [PMID: 29076741 DOI: 10.1021/acs.molpharmaceut.7b00660] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Lipid based formulations (LBFs) are a promising formulation strategy for many poorly water-soluble drugs and have been shown previously to enhance the oral exposure of CP-532,623, an oral cholesteryl ester transfer protein inhibitor. In the current study, an in vitro lipid digestion model was used to probe the relationship between drug solubilization and supersaturation on in vitro dispersion and digestion of LBF containing long chain (LC) lipids and drug absorption in vivo. After in vitro digestion of LBF based on LC lipids, the proportion of CP-532,623 maintained in the solubilized state in the aqueous phase of the digest was highest in formulations containing Kolliphor RH 40, and in most cases outperformed equivalent formulations based on MC lipids. Subsequent administration of the LC-LBFs to beagle dogs resulted in reasonable correlation between concentrations of CP-532,623 measured in the aqueous phase of the in vitro digest after 30 min digestion and in vivo exposure (AUC); however, the LC-LBFs required greater in vitro drug solubilization to elicit similar in vivo exposure when compared to previous studies with MC-LBF. Although post digestion solubilization was enhanced in LC-LBF compared to MC-LBF, equilibrium solubility studies of CP-532,623 in the aqueous phase isolated from blank lipid digestion experiments revealed that equilibrium solubility was also higher, and therefore supersaturation lower. A revised correlation based on supersaturation in the digest aqueous phase and drug absorption was therefore generated. A single, linear correlation was evident for both LC- and MC-LBF containing Kolliphor RH 40, but this did not extend to formulations based on other surfactants. The data suggest that solubilization and supersaturation are significant drivers of drug absorption in vivo, and that across formulations with similar formulation composition good correlation is evident between in vitro and in vivo measures. However, across dissimilar formulations, solubilization and supersaturation alone are not sufficient to explain drug exposure and other factors also likely play a role.
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Affiliation(s)
| | | | | | - Glenn A Edwards
- Department of Veterinary Sciences, The University of Melbourne , Werribee, Victoria 3030, Australia
| | - Michael E Perlman
- Pfizer Global Research and Development , Groton, Connecticut 06340, United States
| | - Catherine M Ambler
- Pfizer Global Research and Development , Groton, Connecticut 06340, United States
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41
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Food contact materials and gut health: Implications for toxicity assessment and relevance of high molecular weight migrants. Food Chem Toxicol 2017; 109:1-18. [PMID: 28830834 DOI: 10.1016/j.fct.2017.08.023] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/17/2017] [Accepted: 08/19/2017] [Indexed: 02/08/2023]
Abstract
Gut health is determined by an intact epithelial barrier and balanced gut microbiota, both involved in the regulation of immune responses in the gut. Disruption of this system contributes to the etiology of various non-communicable diseases, including intestinal, metabolic, and autoimmune disorders. Studies suggest that some direct food additives, but also some food contaminants, such as pesticide residues and substances migrating from food contact materials (FCMs), may adversely affect the gut barrier or gut microbiota. Here, we focus on gut-related effects of FCM-relevant substances (e.g. surfactants, N-ring containing substances, nanoparticles, and antimicrobials) and show that gut health is an underappreciated target in the toxicity assessment of FCMs. Understanding FCMs' impact on gut health requires more attention to ensure safety and prevent gut-related chronic diseases. Our review further points to the existence of large population subgroups with an increased intestinal permeability; this may lead to higher uptake of compounds of not only low (<1000 Da) but also high (>1000 Da) molecular weight. We discuss the potential toxicological relevance of high molecular weight compounds in the gut and suggest that the scientific justification for the application of a molecular weight-based cut-off in risk assessment of FCMs should be reevaluated.
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42
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Kaur G, Mehta S. Developments of Polysorbate (Tween) based microemulsions: Preclinical drug delivery, toxicity and antimicrobial applications. Int J Pharm 2017. [DOI: 10.1016/j.ijpharm.2017.06.059] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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43
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Exploring drug solubility in fasted human intestinal fluid aspirates: Impact of inter-individual variability, sampling site and dilution. Int J Pharm 2017; 528:471-484. [DOI: 10.1016/j.ijpharm.2017.05.072] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 05/29/2017] [Accepted: 05/30/2017] [Indexed: 12/06/2022]
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44
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Kirtane AR, Narayan P, Liu G, Panyam J. Polymer-surfactant nanoparticles for improving oral bioavailability of doxorubicin. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2016. [DOI: 10.1007/s40005-016-0293-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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45
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Nielsen CU, Abdulhussein AA, Colak D, Holm R. Polysorbate 20 increases oral absorption of digoxin in wild-type Sprague Dawley rats, but not in mdr1a(-/-) Sprague Dawley rats. Int J Pharm 2016; 513:78-87. [DOI: 10.1016/j.ijpharm.2016.09.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 09/01/2016] [Accepted: 09/02/2016] [Indexed: 12/23/2022]
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46
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Weinheimer M, Fricker G, Burhenne J, Mylius P, Schubert R. The application of P-gp inhibiting phospholipids as novel oral bioavailability enhancers - An in vitro and in vivo comparison. Eur J Pharm Sci 2016; 108:13-22. [PMID: 27590127 DOI: 10.1016/j.ejps.2016.08.055] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 07/14/2016] [Accepted: 08/29/2016] [Indexed: 01/11/2023]
Abstract
The efflux transporter P-glycoprotein (P-gp) significantly modulates drug transport across the intestinal mucosa, strongly reducing the systemic absorption of various active pharmaceutical ingredients. P-gp inhibitors could serve as helpful tools to enhance the oral bioavailability of those substances. As a membrane-associated protein P-gp is surrounded and influenced by phospholipids. Some synthetic phospholipids have been found to strongly reduce P-gp's activity. In this study two representative phospholipids, 1,2-dioctanoyl-sn-glycero-3-phosphocholine (8:0 PC) and 1,2-didecanoyl-sn-glycero-3-phosphocholine (10:0 PC), were compared with Tween® 80 and Cremophor® EL, both commonly used surfactants with P-gp inhibitory properties. Their influence on the cellular transport of the P-gp substrate rhodamine 123 (RH123) was examined using Caco-2 cell layers. In addition, fluorescence anisotropy measurements were performed in order to investigate their effect on membrane fluidity. Finally, we compared the phospholipids with Tween® 80 and the competitive P-gp inhibitor verapamil in an in vivo study, testing their effects on the oral bioavailability of the P-gp substrate drug ritonavir. Both phospholipids not only led to the strongest absorption of RH123, but a permeability enhancing effect was detected in addition to the P-gp inhibition. Their effects on membrane fluidity were not consistent with their P-gp inhibiting effects, and therefore suggested a more complex mode of action. Both phospholipids significantly increased the area under the ritonavir plasma level curve (AUC) within 150min by more than tenfold, but were inferior to Tween® 80, which showed superior solubilizing effects. Finally, these phospholipids represent a novel substance class showing a high permeabilization potential for P-gp substrates. Because of their physiological structure and intestinal degradability, good tolerability without systemic absorption is expected. Formulating P-gp substrates with an originally low oral bioavailability is a difficult task, requiring concerted interplay of all excipients. P-gp inhibiting phospholipids offer a new tool to help cope with these challenges.
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Affiliation(s)
- Manuel Weinheimer
- Department of Pharmaceutical Technology and Biopharmacy, Albert Ludwig University Freiburg, Hermann-Herder-Str. 9, D-79104 Freiburg, Germany.
| | - Gert Fricker
- Institute of Pharmacy and Molecular Biotechnology, University of Heidelberg, Im Neuheimer Feld 329, D-69120 Heidelberg, Germany.
| | - Jürgen Burhenne
- Department of Clinical Pharmacology and Pharmacoepidemiology, Heidelberg University Hospital, Im Neuenheimer Feld 410, D-69120, Heidelberg, Germany.
| | - Patricia Mylius
- Department of Pharmaceutical Technology and Biopharmacy, Albert Ludwig University Freiburg, Hermann-Herder-Str. 9, D-79104 Freiburg, Germany
| | - Rolf Schubert
- Department of Pharmaceutical Technology and Biopharmacy, Albert Ludwig University Freiburg, Hermann-Herder-Str. 9, D-79104 Freiburg, Germany.
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Long S, Sousa E, Kijjoa A, Pinto MMM. Marine Natural Products as Models to Circumvent Multidrug Resistance. Molecules 2016; 21:molecules21070892. [PMID: 27399665 PMCID: PMC6273648 DOI: 10.3390/molecules21070892] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Revised: 06/27/2016] [Accepted: 07/01/2016] [Indexed: 02/01/2023] Open
Abstract
Multidrug resistance (MDR) to anticancer drugs is a serious health problem that in many cases leads to cancer treatment failure. The ATP binding cassette (ABC) transporter P-glycoprotein (P-gp), which leads to premature efflux of drugs from cancer cells, is often responsible for MDR. On the other hand, a strategy to search for modulators from natural products to overcome MDR had been in place during the last decades. However, Nature limits the amount of some natural products, which has led to the development of synthetic strategies to increase their availability. This review summarizes the research findings on marine natural products and derivatives, mainly alkaloids, polyoxygenated sterols, polyketides, terpenoids, diketopiperazines, and peptides, with P-gp inhibitory activity highlighting the established structure-activity relationships. The synthetic pathways for the total synthesis of the most promising members and analogs are also presented. It is expected that the data gathered during the last decades concerning their synthesis and MDR-inhibiting activities will help medicinal chemists develop potential drug candidates using marine natural products as models which can deliver new ABC transporter inhibitor scaffolds.
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Affiliation(s)
- Solida Long
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto 4050-313, Portugal.
| | - Emília Sousa
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto 4050-313, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Porto 4050-123, Portugal.
| | - Anake Kijjoa
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Porto 4050-123, Portugal.
- Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-123, Portugal.
| | - Madalena M M Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto 4050-313, Portugal.
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Porto 4050-123, Portugal.
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Feeney OM, Crum MF, McEvoy CL, Trevaskis NL, Williams HD, Pouton CW, Charman WN, Bergström CA, Porter CJ. 50years of oral lipid-based formulations: Provenance, progress and future perspectives. Adv Drug Deliv Rev 2016; 101:167-194. [PMID: 27089810 DOI: 10.1016/j.addr.2016.04.007] [Citation(s) in RCA: 265] [Impact Index Per Article: 33.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 04/04/2016] [Accepted: 04/06/2016] [Indexed: 12/12/2022]
Abstract
Lipid based formulations (LBF) provide well proven opportunities to enhance the oral absorption of drugs and drug candidates that sit close to, or beyond, the boundaries of Lipinski's 'rule-of-five' chemical space. Advantages in permeability, efflux and presystemic metabolism are evident; however, the primary benefit is in increases in dissolution and apparent intestinal solubility for lipophilic, poorly water soluble drugs. This review firstly details the inherent advantages of LBF, their general properties and classification, and provides a brief retrospective assessment of the development of LBF over the past fifty years. More detailed analysis of the ability of LBF to promote intestinal solubilisation, supersaturation and absorption is then provided alongside review of the methods employed to assess formulation performance. Critical review of the ability of simple dispersion and more complex in vitro digestion methods to predict formulation performance subsequently reveals marked differences in the correlative ability of in vitro tests, depending on the properties of the drug involved. Notably, for highly permeable low melting drugs e.g. fenofibrate, LBF appear to provide significant benefit in all cases, and sustained ongoing solubilisation may not be required. In other cases, and particularly for higher melting point drugs such as danazol, where re-dissolution of crystalline precipitate drug is likely to be slow, correlations with ongoing solubilisation and supersaturation are more evident. In spite of their potential benefits, one limitation to broader use of LBF is low drug solubility in the excipients employed to generate formulations. Techniques to increase drug lipophilicity and lipid solubility are therefore explored, and in particular those methods that provide for temporary enhancement including lipophilic ionic liquid and prodrug technologies. The transient nature of these lipophilicity increases enhances lipid solubility and LBF viability, but precludes enduring effects on receptor promiscuity and off target toxicity. Finally, recent efforts to generate solid LBF are briefly described as a means to circumvent the need to encapsulate in soft or hard gelatin capsules, although the latter remain popular with consumers and a proven means of LBF delivery.
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49
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Zhang W, Li Y, Zou P, Wu M, Zhang Z, Zhang T. The Effects of Pharmaceutical Excipients on Gastrointestinal Tract Metabolic Enzymes and Transporters-an Update. AAPS JOURNAL 2016; 18:830-43. [PMID: 27184579 DOI: 10.1208/s12248-016-9928-8] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 05/03/2016] [Indexed: 01/06/2023]
Abstract
Accumulating evidence from the last decade has shown that many pharmaceutical excipients are not pharmacologically inert but instead have effects on metabolic enzymes and/or drug transporters. Hence, the absorption, distribution, metabolism, and elimination (ADME) of active pharmaceutical ingredients (APIs) may be altered due to the modulation of their metabolism and transport by excipients. The impact of excipients is a potential concern for Biopharmaceutics Classification System (BCS)-based biowaivers, particularly as the BCS-based biowaivers have been extended to class 3 drugs in certain dosage forms. The presence of different excipients or varying amounts of excipients between formulations may result in bio-inequivalence. The excipient impact may lead to significant variations in clinical outcomes as well. The aim of this paper is to review the recent findings of excipient effects on gastrointestinal (GI) absorption, focusing on their interactions with the metabolic enzymes and transporters in the GI tract. A wide range of commonly used excipients such as binders, diluents, fillers, solvents, and surfactants are discussed here. We summarized the reported effects of those excipients on GI tract phase I and phase II enzymes, uptake and efflux transporters, and relevant clinical significance. This information can enhance our understanding of excipient influence on drug absorption and is useful in designing pharmacokinetic studies and evaluating the resultant data.
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Affiliation(s)
- Wenpeng Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Yanyan Li
- School of Science and Humanities, Husson University, Bangor, Maine, USA
| | - Peng Zou
- CDER/OPQ, Food and Drug Administration (FDA), Silver Springs, Maryland, USA
| | - Man Wu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Zhenqing Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Tao Zhang
- Department of Basic Pharmaceutical Sciences, School of Pharmacy, Husson University, Bangor, Maine, USA.
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50
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Krauser S, Weyler C, Blaß LK, Heinzle E. Directed multistep biocatalysis using tailored permeabilized cells. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2016; 137:185-234. [PMID: 23989897 DOI: 10.1007/10_2013_240] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
: Recent developments in the field of biocatalysis using permeabilized cells are reviewed here, with a special emphasis on the newly emerging area of multistep biocatalysis using permeabilized cells. New methods of metabolic engineering using in silico network design and new methods of genetic engineering provide the opportunity to design more complex biocatalysts for the synthesis of complex biomolecules. Methods for the permeabilization of cells are thoroughly reviewed. We provide an extended review of useful available databases and bioinformatics tools, particularly for setting up genome-scale reconstructed networks. Examples described include phosphorylated carbohydrates, sugar nucleotides, and polyketides.
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Affiliation(s)
- Steffen Krauser
- Biochemical Engineering Institute, Saarland University, 66123, Saarbrücken, Germany
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