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Chen J, Guo Z, Wang HB, Zhou JJ, Zhang WJ, Chen QW. Multifunctional mesoporous nanoparticles as pH-responsive Fe2+ reservoirs and artemisinin vehicles for synergistic inhibition of tumor growth. Biomaterials 2014; 35:6498-507. [DOI: 10.1016/j.biomaterials.2014.04.028] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 04/09/2014] [Indexed: 11/27/2022]
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252
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Probing the effects of experimental conditions on the character of drug-polymer phase diagrams constructed using Flory-Huggins theory. Pharm Res 2014; 32:167-79. [PMID: 25074468 DOI: 10.1007/s11095-014-1453-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 07/02/2014] [Indexed: 10/25/2022]
Abstract
PURPOSE Amorphous drug-polymer solid dispersions have been found to result in improved drug dissolution rates when compared to their crystalline counterparts. However, when the drug exists in the amorphous form it will possess a higher Gibb's free energy than its associated crystalline state and can recrystallize. Drug-polymer phase diagrams constructed through the application of the Flory Huggins (F-H) theory contain a wealth of information regarding thermodynamic and kinetic stability of the amorphous drug-polymer system. This study was aimed to evaluate the effects of various experimental conditions on the solubility and miscibility detections of drug-polymer binary system. METHODS Felodipine (FD)-Polyvinylpyrrolidone (PVP) K15 (PVPK15) and FD-Polyvinylpyrrolidone/vinyl acetate (PVP/VA64) were the selected systems for this research. Physical mixtures with different drug loadings were mixed and ball milled. These samples were then processed using Differential Scanning Calorimetry (DSC) and measurements of melting point (Tend) and glass transition (Tg) were detected using heating rates of 0.5, 1.0 and 5.0°C/min. RESULTS The melting point depression data was then used to calculate the F-H interaction parameter (χ) and extrapolated to lower temperatures to complete the liquid-solid transition curves. The theoretical binodal and spinodal curves were also constructed which were used to identify regions within the phase diagram. The effects of polymer selection, DSC heating rate, time above parent polymer Tg and polymer molecular weight were investigated by identifying amorphous drug miscibility limits at pharmaceutically relevant temperatures. CONCLUSION The potential implications of these findings when applied to a non-ambient processing method such as Hot Melt Extrusion (HME) are also discussed.
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Das S, Roy P, Pal R, Auddy RG, Chakraborti AS, Mukherjee A. Engineered silybin nanoparticles educe efficient control in experimental diabetes. PLoS One 2014; 9:e101818. [PMID: 24991800 PMCID: PMC4081790 DOI: 10.1371/journal.pone.0101818] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Accepted: 06/10/2014] [Indexed: 01/24/2023] Open
Abstract
Silybin, is one imminent therapeutic for drug induced hepatotoxicity, human prostate adenocarcinoma and other degenerative organ diseases. Recent evidences suggest that silybin influences gluconeogenesis pathways favorably and is beneficial in the treatment of type 1 and type 2 diabetes. The compound however is constrained due to solubility (0.4 mg/mL) and bioavailabilty limitations. Appropriate nanoparticle design for silybin in biocompatible polymers was thus proposed as a probable solution for therapeutic inadequacy. New surface engineered biopolymeric nanoparticles with high silybin encapsulation efficiency of 92.11% and zeta potential of +21 mV were designed. Both the pure compound and the nanoparticles were evaluated in vivo for the first time in experimental diabetic conditions. Animal health recovered substantially and the blood glucose levels came down to near normal values after 28 days treatment schedule with the engineered nanoparticles. Restoration from hyperglycemic damage condition was traced to serum insulin regeneration. Serum insulin recovered from the streptozotocin induced pancreatic damage levels of 0.17 ± 0.01 µg/lit to 0.57 ± 0.11 µg/lit after nanoparticle treatment. Significant reduction in glycated hemoglobin level, and restoration of liver glycogen content were some of the other interesting observations. Engineered silybin nanoparticle assisted recovery in diabetic conditions was reasoned due to improved silybin dissolution, passive transport in nanoscale, and restoration of antioxidant status.
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Affiliation(s)
- Suvadra Das
- Department of Chemical Technology, University of Calcutta, Kolkata, West Bengal, India
| | - Partha Roy
- Department of Chemical Technology, University of Calcutta, Kolkata, West Bengal, India; Faculty of Technology (Pharmaceutical) University Malaysia Pahang (UMP), Pahang, Malaysia
| | - Rajat Pal
- Department of Bio-Physics, Molecular Biology and Bioinformatics, University of Calcutta, Kolkata, West Bengal, India
| | - Runa Ghosh Auddy
- Department of Chemical Technology, University of Calcutta, Kolkata, West Bengal, India; Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Kolkata, West Bengal, India
| | - Abhay Sankar Chakraborti
- Department of Bio-Physics, Molecular Biology and Bioinformatics, University of Calcutta, Kolkata, West Bengal, India; Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Kolkata, West Bengal, India
| | - Arup Mukherjee
- Department of Chemical Technology, University of Calcutta, Kolkata, West Bengal, India; Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Kolkata, West Bengal, India
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254
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Simple and effective preparation of nano-pulverized curcumin by femtosecond laser ablation and the cytotoxic effect on C6 rat glioma cells in vitro. Int J Pharm 2014; 468:91-6. [DOI: 10.1016/j.ijpharm.2014.04.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 04/03/2014] [Accepted: 04/03/2014] [Indexed: 01/16/2023]
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255
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Singh G, Pai RS. Atazanavir-loaded Eudragit RL 100 nanoparticles to improve oral bioavailability: optimization and in vitro/in vivo appraisal. Drug Deliv 2014; 23:532-9. [PMID: 24963752 DOI: 10.3109/10717544.2014.930760] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Atazanavir (ATV) is a HIV protease inhibitor. Due to its intense lipophilicity, the oral delivery of ATV encounters several problems such as poor aqueous solubility, pH-dependent dissolution, rapid first-pass metabolism in liver by CYP3A5, which result in low bioavailability. To overcome afore mentioned limitations, ATV-loaded Eudragit RL100 nanoparticles (ATV NPs) were prepared to enhance oral bioavailability. ATV NPs were prepared by nanoprecipitation method. The ATV NPs were systematically optimized (OPT) using 3(2) central composite design (CCD) and the OPT formulation located using overlay plot. The pharmacokinetic study of OPT formulation was investigated in male Wistar rats, and in-vitro/in-vivo correlation level was established. Intestinal permeability of OPT formulation was determined using in situ single pass perfusion (SPIP) technique. Transmission electron microscopy studies on OPT formulation demonstrated uniform shape and size of particles. Augmentation in the values of Ka (2.35-fold) and AUC0-24 (2.91-fold) indicated significant enhancement in the rate and extent of bioavailability by the OPT formulation compared to pure drug. Successful establishment of in vitro/in vivo correlation (IVIVC) Level A substantiated the judicious choice of the in vitro dissolution milieu for simulating the in vivo conditions. In situ SPIP studies ascribed the significant enhancement in absorptivity and permeability parameters of OPT formulation transport through the Peyer's patches. The studies, therefore, indicate the successful formulation development of NPs with distinctly improved bioavailability potential and can be used as drug carrier for sustained or prolonged drug release.
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Affiliation(s)
- Gurinder Singh
- a Department of Pharmaceutics, Faculty of Pharmacy , Al-Ameen College of Pharmacy , Bangalore , Karnataka , India
| | - Roopa S Pai
- a Department of Pharmaceutics, Faculty of Pharmacy , Al-Ameen College of Pharmacy , Bangalore , Karnataka , India
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256
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Bergström CA, Holm R, Jørgensen SA, Andersson SB, Artursson P, Beato S, Borde A, Box K, Brewster M, Dressman J, Feng KI, Halbert G, Kostewicz E, McAllister M, Muenster U, Thinnes J, Taylor R, Mullertz A. Early pharmaceutical profiling to predict oral drug absorption: Current status and unmet needs. Eur J Pharm Sci 2014; 57:173-99. [DOI: 10.1016/j.ejps.2013.10.015] [Citation(s) in RCA: 192] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 10/17/2013] [Accepted: 10/27/2013] [Indexed: 01/17/2023]
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257
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Chen X, Wang T, Lu M, Zhu L, Wang Y, Zhou W. Preparation and evaluation of tilmicosin-loaded hydrogenated castor oil nanoparticle suspensions of different particle sizes. Int J Nanomedicine 2014; 9:2655-64. [PMID: 24920902 PMCID: PMC4043706 DOI: 10.2147/ijn.s58898] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Three tilmicosin-loaded hydrogenated castor oil nanoparticle (TMS-HCO-NP) suspensions of different particle sizes were prepared with different polyvinyl alcohol surfactant concentrations using a hot homogenization and ultrasonic technique. The in vitro release, in vitro antibacterial activity, mammalian cytotoxicity, acute toxicity in mice, and stability study were conducted to evaluate the characteristics of the suspensions. The in vitro tilmicosin release rate, antibacterial activity, mammalian cytotoxicity, acute toxicity in mice, and stability of the suspensions were evaluated. When prepared with polyvinyl alcohol concentrations of 0.2%, 1%, and 5%, the mean diameters of the nanoparticles in the three suspensions were 920±35 nm, 452±10 nm, and 151±4 nm, respectively. The three suspensions displayed biphasic release profiles similar to that of freeze-dried TMS-HCO-NP powders, with the exception of having a faster initial release. Moreover, suspensions of smaller-sized particles showed faster initial release, and lower minimum inhibitory concentrations and minimum bactericidal concentrations. Time-kill curves showed that within 12 hours, the suspension with the 151 nm particles had the most potent bactericidal activity, but later, the suspensions with larger-sized particles showed increased antibacterial activity. None of the three suspensions were cytotoxic at clinical dosage levels. At higher drug concentrations, all three suspensions showed similar concentration-dependent cytotoxicity. The suspension with the smallest-sized particle showed significantly more acute toxicity in mice, perhaps due to faster drug release. All three suspensions exhibited good stability at 4°C and at room temperature for at least 6 months. These results demonstrate that TMS-HCO-NP suspensions can be a promising formulation for tilmicosin, and that nanoparticle size can be an important consideration for formulation development.
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Affiliation(s)
- Xiaojin Chen
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
| | - Ting Wang
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
| | - Mengmeng Lu
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
| | - Luyan Zhu
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
| | - Yan Wang
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
| | - WenZhong Zhou
- Department of Preventitive Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing, People’s Republic of China
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258
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Raghava Srivalli KM, Mishra B. Drug nanocrystals: A way toward scale-up. Saudi Pharm J 2014; 24:386-404. [PMID: 27330370 PMCID: PMC4908054 DOI: 10.1016/j.jsps.2014.04.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 04/26/2014] [Indexed: 12/14/2022] Open
Abstract
Drug nanocrystals comprise unique drug delivery platforms playing a significantly important and distinctive role in drug delivery and as such, the industry and academia are spending a lot of their time and money in developing the nanocrystal products. The current research works in this field depict a vivid shift from lab scale optimization studies to scale up focused studies. In this emerging scenario of nanocrystal technology, a review on some exemplary and progressing research studies with either scalability as their objective or upscaling as their future scope may smoothen the future upscaling attempts in this field. Hence, this paper reviews the efforts of such research works as case studies since an analysis of such research studies may input certain beneficial knowledge to carry out more scale up based research works on nanocrystals.
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Affiliation(s)
- Kale Mohana Raghava Srivalli
- Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India
| | - Brahmeshwar Mishra
- Department of Pharmaceutics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, Uttar Pradesh, India
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259
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Bansal D, Yadav K, Pandey V, Ganeshpurkar A, Agnihotri A, Dubey N. Lactobionic acid coupled liposomes: an innovative strategy for targeting hepatocellular carcinoma. Drug Deliv 2014; 23:140-6. [DOI: 10.3109/10717544.2014.907373] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Divya Bansal
- Pharmaceutics Research Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India and
| | - Kamini Yadav
- Pharmaceutics Research Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India and
| | - Vikas Pandey
- Pharmaceutics Research Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India and
| | - Aditya Ganeshpurkar
- Drug Discovery Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India
| | - Abhishek Agnihotri
- Drug Discovery Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India
| | - Nazneen Dubey
- Drug Discovery Laboratory, Shri Ram Institute of Technology – Pharmacy, Jabalpur, Madhya Pradesh, India
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260
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Kuehl C, El-Gendy N, Berkland C. NanoClusters surface area allows nanoparticle dissolution with microparticle properties. J Pharm Sci 2014; 103:1787-98. [PMID: 24788354 DOI: 10.1002/jps.23980] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 03/28/2014] [Accepted: 04/01/2014] [Indexed: 01/01/2023]
Abstract
Poorly water-soluble drugs comprise the majority of new drug molecules. Nanoparticle agglomerates, called NanoClusters, can increase the dissolution rate of poorly soluble compounds by increasing particle surface area. Budesonide and danazol, two poorly soluble steroids, were studied as model compounds. NanoCluster suspensions were made using a Netzsch MiniCer media mill with samples collected between 5 and 15 h and lyophilized. Differential scanning calorimetry (DSC) and powder X-ray Diffraction were used to evaluate the physicochemical properties of the powders, and Brunauer, Emmett and Teller (BET) analysis was used to determine surface area. Scanning electron microscopy confirmed NanoClusters were between 1 and 5 μm. NanoCluster samples showed an increase in dissolution rate compared with the micronized stock and similar to a dried nanoparticle suspension. BET analysis determined an increase in surface area of eight times for budesonide NanoClusters and 10-15 times for danazol NanoClusters compared with the micronized stock. Melting temperatures decreased with increased mill time of NanoClusters by DSC. The increased surface area of NanoClusters provides a potential micron-sized alternative to nanoparticles to increase dissolution rate of poorly water-soluble drugs.
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Affiliation(s)
- Christopher Kuehl
- Department of Pharmaceutical Chemistry, The University of Kansas, Lawrence, Kansas, 66047
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261
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Fuhrmann K, Gauthier MA, Leroux JC. Targeting of Injectable Drug Nanocrystals. Mol Pharm 2014; 11:1762-71. [DOI: 10.1021/mp5001247] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Kathrin Fuhrmann
- Institute
of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich (ETH Zürich), Vladimir-Prelog-Weg
1-5/10, 8093 Zurich, Switzerland
| | - Marc A. Gauthier
- Institut National de la Recherche Scientifique, Énergie
Matériaux Télécommunication Research Center (INRS-EMT), 1650 Boulevard Lionel-Boulet, Varennes J3X 1S2, Canada
| | - Jean-Christophe Leroux
- Institute
of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology Zurich (ETH Zürich), Vladimir-Prelog-Weg
1-5/10, 8093 Zurich, Switzerland
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262
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LIANG JIAO, LI YINGHUI, LIU XUEWU, HUANG YUXIAO, SHEN YAN, WANG JUN, LIU ZHONGXIANG, ZHAO YA. In vivo and in vitro antimalarial activity of bergenin. Biomed Rep 2014; 2:260-264. [PMID: 24649107 PMCID: PMC3917756 DOI: 10.3892/br.2013.207] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Accepted: 11/13/2013] [Indexed: 11/05/2022] Open
Abstract
Malaria is a potentially life-threatening protozoal parasitic disease transmitted by female Anopheles mosquitoes. Drug therapy is currently the most widely used method for the control and treatment of this disease. Several plants were found to contain substances possessing antimalarial properties. In this study, we investigated the antimalarial activity of bergenin, a sesquiterpene lactone compound derived from Rodgersia aesculifolia Batal. The results indicated that bergenin effectively inhibited Plasmodium falciparum growth in vitro (IC50, 14.1 μg/ml, with ~100% inhibition at 50 μg/ml), without apparent cytotoxicity to erythrocytes or to mammalian HeLa and HepG2 cells. Bergenin exhibited less cytotoxic activity and the selectivity index (SI) was 887 and 1,355 for HeLa and HepG2 cells, respectively. The administration of bergenin to Plasmodium berghei-infected mice for 6 days significantly inhibited the growth of the parasites. Taken together, these findings provide evidence that bergenin may be a promising novel drug for antimalarial treatment.
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Affiliation(s)
| | | | - XUEWU LIU
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
| | - YUXIAO HUANG
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
| | - YAN SHEN
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
| | - JUN WANG
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
| | - ZHONGXIANG LIU
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
| | - YA ZHAO
- Department of Microbiology and Parasitology, The Fourth Military Medical University, Xi’an, Shaanxi 710032, P.R. China
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263
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Zhang B, Shen S, Liao Z, Shi W, Wang Y, Zhao J, Hu Y, Yang J, Chen J, Mei H, Hu Y, Pang Z, Jiang X. Targeting fibronectins of glioma extracellular matrix by CLT1 peptide-conjugated nanoparticles. Biomaterials 2014; 35:4088-98. [PMID: 24513320 DOI: 10.1016/j.biomaterials.2014.01.046] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 01/19/2014] [Indexed: 01/14/2023]
Abstract
The abundant extracellular matrix (ECM) in the glioma microenvironment play a critical role in the maintenance of glioma morphology, glioma cells differentiation and proliferation, but little has been done to understand the feasibility of ECM as the therapeutic target for glioma therapy. In this study, a drug delivery system targeting fibronectins (FNs), a prevailing component in the ECM of many solid tumors, was constructed for glioma therapy based on the interaction between the abundant FNs in glioma tissues and the FNs-targeting moiety CLT1 peptide. CLT1 peptide was successfully conjugated to PEG-PLA nanoparticles (CNP). FNs were demonstrated to be highly expressed in the ECM of glioma spheroids in vitro and glioma tissues in vivo. CLT1 modification favored targeting nanoparticles penetration into the core of glioma spheroids and consequently induced more severe inhibitive effects on glioma spheroids growth than traditional NP. In vivo imaging, ex vivo imaging and glioma tissue slides showed that CNP enhanced nanoparticles retention in glioma site, distributed more extensively and more deeply into glioma tissues than that of conventional NP, and mainly located in glioma cells rather than in extracellular matrix as conventional NP. Pharmacodynamics outcomes revealed that the median survival time of glioma-bearing mice models treated with paclitaxel-loaded CNP (CNP-PTX) was significantly prolonged when compared with that of any other group. TUNEL assay demonstrated that more extensive cell apoptosis was induced by CNP-PTX treatment compared with other treatments. Altogether, these promising results indicated that this ECM-targeting drug delivery system enhanced retention and glioma cell uptake of nanoparticles and might have a great potential for glioma therapy in clinical applications.
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Affiliation(s)
- Bo Zhang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, PR China
| | - Shun Shen
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
| | - Ziwei Liao
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
| | - Wei Shi
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, PR China
| | - Yu Wang
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
| | - Jingjing Zhao
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
| | - Yue Hu
- College of Pharmacy, Jiamusi University, Jiamusi 154007, PR China
| | - Jiarong Yang
- College of Pharmacy, Jiamusi University, Jiamusi 154007, PR China
| | - Jun Chen
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
| | - Heng Mei
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, PR China
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, Hubei 430022, PR China.
| | - Zhiqing Pang
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China.
| | - Xinguo Jiang
- School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery, Ministry of Education, 826 Zhangheng Road, Shanghai 201203, PR China
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264
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Zhao X, Wang W, Zu Y, Zhang Y, Li Y, Sun W, Shan C, Ge Y. Preparation and characterization of betulin nanoparticles for oral hypoglycemic drug by antisolvent precipitation. Drug Deliv 2014; 21:467-79. [DOI: 10.3109/10717544.2014.881438] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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265
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Mazzarino L, Otsuka I, Halila S, Bubniak LDS, Mazzucco S, Santos-Silva MC, Lemos-Senna E, Borsali R. Xyloglucan-block
-Poly(ϵ-Caprolactone) Copolymer Nanoparticles Coated with Chitosan as Biocompatible Mucoadhesive Drug Delivery System. Macromol Biosci 2014; 14:709-19. [DOI: 10.1002/mabi.201300465] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Revised: 11/29/2013] [Indexed: 11/08/2022]
Affiliation(s)
- Letícia Mazzarino
- Departamento de Ciências Farmacêuticas; Centro de Ciências da Saúde; Universidade Federal de Santa Catarina (UFSC); Campus Universitário Trindade; 88040-900 Florianópolis SC Brazil
| | - Issei Otsuka
- Centre de Recherches sur les Macromolécules Végétales (CERMAV, UPR-CNRS 5301); Université Grenoble Alpes; BP 53, F 38041 Grenoble Cedex 9 France
| | - Sami Halila
- Centre de Recherches sur les Macromolécules Végétales (CERMAV, UPR-CNRS 5301); Université Grenoble Alpes; BP 53, F 38041 Grenoble Cedex 9 France
| | - Lorena dos Santos Bubniak
- Departamento de Análises Clínicas; Centro de Ciências da Saúde; Universidade Federal de Santa Catarina (UFSC); Campus Universitário Trindade; 88040-900 Florianópolis SC Brazil
| | - Suelen Mazzucco
- Departamento de Análises Clínicas; Centro de Ciências da Saúde; Universidade Federal de Santa Catarina (UFSC); Campus Universitário Trindade; 88040-900 Florianópolis SC Brazil
| | - Maria C. Santos-Silva
- Departamento de Análises Clínicas; Centro de Ciências da Saúde; Universidade Federal de Santa Catarina (UFSC); Campus Universitário Trindade; 88040-900 Florianópolis SC Brazil
| | - Elenara Lemos-Senna
- Departamento de Ciências Farmacêuticas; Centro de Ciências da Saúde; Universidade Federal de Santa Catarina (UFSC); Campus Universitário Trindade; 88040-900 Florianópolis SC Brazil
| | - Redouane Borsali
- Centre de Recherches sur les Macromolécules Végétales (CERMAV, UPR-CNRS 5301); Université Grenoble Alpes; BP 53, F 38041 Grenoble Cedex 9 France
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266
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Formulation parameters of crystalline nanosuspensions on spray drying processing: a DoE approach. Int J Pharm 2014; 464:34-45. [PMID: 24447788 DOI: 10.1016/j.ijpharm.2014.01.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 01/06/2014] [Accepted: 01/08/2014] [Indexed: 11/21/2022]
Abstract
Nanocrystalline suspensions offer a promising approach to improve dissolution of BCS class II/IV compounds. Spray drying was utilized as a downstream process to improve the physical and chemical stability of dried nanocrystals. The effect of nanocrystalline suspension formulation variables on spray-drying processing was investigated. Naproxen and indomethacin nanocrystalline formulations were formulated with either Dowfax 2A1 (small molecule) or HPMC E15 (high molecular weight polymer) and spray drying was performed. A DoE approach was utilized to understand the effect of critical formulation variables, i.e. type of stabilizer, type of drug, ratio of drug-to-stabilizer and drug concentration. The powders were analyzed for particle size, moisture content, powder X-ray diffraction and dissolution. A dialysis sac adapter for USP apparatus II was developed which provided good discrimination between aggregated and non-aggregated formulations. Nanocrystal aggregation was dependent on the drug-to-stabilizer ratio. The glass transition temperature and the charge effect played a dominant role on spray-dried powder yield. Those formulations with low drug-to-excipient ratios were less aggregating and showed faster dissolution compared to those formulations with high drug-to-excipient ratios. All stable (less aggregated) formulations were subjected to accelerated storage stability testing. The Flory-Huggins interaction parameter (between drug and excipients) correlated with the spray-dried nanocrystal formulations stability.
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267
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Margulis K, Srinivasan S, Ware MJ, Summers HD, Godin B, Magdassi S. Active curcumin nanoparticles formed from a volatile microemulsion template. J Mater Chem B 2014; 2:3745-3752. [PMID: 25485110 PMCID: PMC4255981 DOI: 10.1039/c4tb00267a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report on biological performance of organic nanoparticles formed by a simple method based on rapid solvent removal from a volatile microemulsion. The particular focus of the study was on testing the suitability of the method for substances soluble in partially water-miscible organic solvents as well as on evaluating the therapeutic activity of the resultant nanoparticles. Curcumin was employed as a model for hydrophobic drug, and, as it is soluble in water-miscible organic solvents, it was successfully incorporated into a new cyclopentanone-water microemulsion system. During rapid solvent removal by spray-drying, the nanometric droplets of the microemulsion were converted into nanoparticles containing amorphous curcumin with the average size of 20.2±3.4 nm, having ζ potential of -36.2 ±1.8 mV. These nanoparticles were dispersible in water and retained the high loading of the active substance. The therapeutic activity of the resulting nanoparticles was demonstrated in a pancreatic cancer cell line Panc-1. The effective concentration for reducing the metabolic activity was found to be 11.5 μM for nanoparticles compared with 19.5 μM for free curcumin.
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Affiliation(s)
- K. Margulis
- Hebrew University of Jerusalem, Casali Institute of Applied Chemistry, Institute of Chemistry and Center for Nanoscience and Nanotechnology, 91904 Jerusalem, Israel. Tel +972-2-6584967, Fax +972-2-6584350
| | - S. Srinivasan
- Department of Nanomedicine, The Methodist Hospital Research Institute, Houston, TX, USA
| | - M. J. Ware
- Department of Nanomedicine, The Methodist Hospital Research Institute, Houston, TX, USA
- College of Engineering, Swansea University, UK
| | - H. D. Summers
- Department of Nanomedicine, The Methodist Hospital Research Institute, Houston, TX, USA
- College of Engineering, Swansea University, UK
| | - B. Godin
- Department of Nanomedicine, The Methodist Hospital Research Institute, Houston, TX, USA
| | - S. Magdassi
- Hebrew University of Jerusalem, Casali Institute of Applied Chemistry, Institute of Chemistry and Center for Nanoscience and Nanotechnology, 91904 Jerusalem, Israel. Tel +972-2-6584967, Fax +972-2-6584350
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268
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Kumar R, Siril PF. Ultrafine carbamazepine nanoparticles with enhanced water solubility and rate of dissolution. RSC Adv 2014. [DOI: 10.1039/c4ra08495k] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Solubility of carbamazepine (CBZ) nanoparticles and CBZ–PVP nanoparticles was 11.9 and 21.5 times higher than the raw–CBZ.
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Affiliation(s)
- Raj Kumar
- School of Basic Sciences
- Indian Institute of Technology Mandi
- Mandi-175005, India
| | - Prem Felix Siril
- School of Basic Sciences
- Indian Institute of Technology Mandi
- Mandi-175005, India
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269
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Yang X, Ong TC, Michaelis VK, Heng S, Huang J, Griffin RG, Myerson AS. Formation of Organic Molecular Nanocrystals under Rigid Confinement with Analysis by Solid State NMR. CrystEngComm 2014; 16:9345-9352. [PMID: 25258590 DOI: 10.1039/c4ce01087f] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Crystallization in rigid confinement is a promising method to obtain organic molecular nanocrystals. However, the crystallization behavior and the related characterization methods are not well studied. Here we present a systematic study of the nucleation of organic molecular nanocrystals in rigid pores. Four different compounds were studied, ibuprofen, fenofibrate, griseofulvin, and indomethacin, which range from simple to complex molecules. Solid-state Nuclear Magnetic Resonance (NMR) was employed to analyse the structure of these compounds inside pores which are difficult to characterize by other analytical methods. We successfully demonstrated the production of nano-crystalline ibuprofen, fenofibrate and griseofulvin in porous silica particles with ~ 40 nm pores. These nanocrystals showed significant enhancement in dissolution rates. These results help advance the fundamental understanding of nucleation under rigid confinement and may lead to potential applications in developing new formulations in the pharmaceutical industry.
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Affiliation(s)
- X Yang
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - T C Ong
- Department of Chemistry and Francis Bitter Magnet Laboratory, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - V K Michaelis
- Department of Chemistry and Francis Bitter Magnet Laboratory, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - S Heng
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - J Huang
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - R G Griffin
- Department of Chemistry and Francis Bitter Magnet Laboratory, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - A S Myerson
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
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270
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Ali M, Afzal M, Verma M, Bhattacharya SM, Ahmad FJ, Samim M, Abidin MZ, Dinda AK. Therapeutic efficacy of poly (lactic-co-glycolic acid) nanoparticles encapsulated ivermectin (nano-ivermectin) against brugian filariasis in experimental rodent model. Parasitol Res 2013; 113:681-91. [DOI: 10.1007/s00436-013-3696-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Accepted: 11/11/2013] [Indexed: 12/21/2022]
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271
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Yin L, Hillmyer MA. Preparation and Performance of Hydroxypropyl Methylcellulose Esters of Substituted Succinates for in Vitro Supersaturation of a Crystalline Hydrophobic Drug. Mol Pharm 2013; 11:175-85. [DOI: 10.1021/mp4003656] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Ligeng Yin
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
| | - Marc A. Hillmyer
- Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455-0431, United States
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272
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Niwa T, Danjo K. Design of self-dispersible dry nanosuspension through wet milling and spray freeze-drying for poorly water-soluble drugs. Eur J Pharm Sci 2013; 50:272-81. [DOI: 10.1016/j.ejps.2013.07.011] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 07/16/2013] [Accepted: 07/17/2013] [Indexed: 11/26/2022]
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273
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Evaluation of pluronic nanosuspensions loading a novel insoluble anticancer drug both in vitro and in vivo. Int J Pharm 2013; 456:243-50. [DOI: 10.1016/j.ijpharm.2013.07.058] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 07/18/2013] [Accepted: 07/27/2013] [Indexed: 11/23/2022]
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274
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Iyer AK, Singh A, Ganta S, Amiji MM. Role of integrated cancer nanomedicine in overcoming drug resistance. Adv Drug Deliv Rev 2013; 65:1784-802. [PMID: 23880506 DOI: 10.1016/j.addr.2013.07.012] [Citation(s) in RCA: 233] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Revised: 06/19/2013] [Accepted: 07/15/2013] [Indexed: 12/18/2022]
Abstract
Cancer remains a major killer of mankind. Failure of conventional chemotherapy has resulted in recurrence and development of virulent multi drug resistant (MDR) phenotypes adding to the complexity and diversity of this deadly disease. Apart from displaying classical physiological abnormalities and aberrant blood flow behavior, MDR cancers exhibit several distinctive features such as higher apoptotic threshold, aerobic glycolysis, regions of hypoxia, and elevated activity of drug-efflux transporters. MDR transporters play a pivotal role in protecting the cancer stem cells (CSCs) from chemotherapy. It is speculated that CSCs are instrumental in reviving tumors after the chemo and radiotherapy. In this regard, multifunctional nanoparticles that can integrate various key components such as drugs, genes, imaging agents and targeting ligands using unique delivery platforms would be more efficient in treating MDR cancers. This review presents some of the important principles involved in development of MDR and novel methods of treating cancers using multifunctional-targeted nanoparticles. Illustrative examples of nanoparticles engineered for drug/gene combination delivery and stimuli responsive nanoparticle systems for cancer therapy are also discussed.
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275
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Capretto L, Carugo D, Mazzitelli S, Nastruzzi C, Zhang X. Microfluidic and lab-on-a-chip preparation routes for organic nanoparticles and vesicular systems for nanomedicine applications. Adv Drug Deliv Rev 2013; 65:1496-532. [PMID: 23933616 DOI: 10.1016/j.addr.2013.08.002] [Citation(s) in RCA: 140] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Revised: 07/10/2013] [Accepted: 08/01/2013] [Indexed: 01/02/2023]
Abstract
In recent years, advancements in the fields of microfluidic and lab-on-a-chip technologies have provided unique opportunities for the implementation of nanomaterial production processes owing to the miniaturisation of the fluidic environment. It has been demonstrated that microfluidic reactors offer a range of advantages compared to conventional batch reactors, including improved controllability and uniformity of nanomaterial characteristics. In addition, the fast mixing achieved within microchannels, and the predictability of the laminar flow conditions, can be leveraged to investigate the nanomaterial formation dynamics. In this article recent developments in the field of microfluidic production of nanomaterials for drug delivery applications are reviewed. The features that make microfluidic reactors a suitable technological platform are discussed in terms of controllability of nanomaterials production. An overview of the various strategies developed for the production of organic nanoparticles and colloidal assemblies is presented, focusing on those nanomaterials that could have an impact on nanomedicine field such as drug nanoparticles, polymeric micelles, liposomes, polymersomes, polyplexes and hybrid nanoparticles. The effect of microfluidic environment on nanomaterials formation dynamics, as well as the use of microdevices as tools for nanomaterial investigation is also discussed.
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276
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Imperiale JC, Bevilacqua G, Rosa PDTVE, Sosnik A. Production of pure indinavir free base nanoparticles by a supercritical anti-solvent (SAS) method. Drug Dev Ind Pharm 2013; 40:1607-15. [DOI: 10.3109/03639045.2013.838581] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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277
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Ali M, Afzal M, Kaushik U, Bhattacharya SM, Ahmad FJ, Dinda AK. Perceptive solutions to anti-filarial chemotherapy of lymphatic filariasis from the plethora of nanomedical sciences. J Drug Target 2013; 22:1-13. [DOI: 10.3109/1061186x.2013.832766] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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278
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Cui M, Naczynski D, Zevon M, Griffith CK, Sheihet L, Poventud-Fuentes I, Chen S, Roth CM, Moghe PV. Multifunctional albumin nanoparticles as combination drug carriers for intra-tumoral chemotherapy. Adv Healthc Mater 2013; 2:1236-45. [PMID: 23495216 PMCID: PMC5720860 DOI: 10.1002/adhm.201200467] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2012] [Indexed: 01/23/2023]
Abstract
Current cancer therapies are challenged by weakly soluble drugs and by drug combinations that exhibit non-uniform biodistribution and poor bioavailability. In this study, we have presented a new platform of advanced healthcare materials based on albumin nanoparticles (ANPs) engineered as tumor penetrating, delivery vehicles of combinatorially applied factors to solid tumors. These materials were designed to overcome three sequential key barriers: tissue level transport across solid tumor matrix; uptake kinetics into individual cancer cells; therapeutic resistance to single chemotherapeutic drugs. The ANPs were designed to penetrate deeper into solid tumor matrices using collagenase decoration and evaluated using a three-dimensional multicellular melanoma tumor spheroid model. Collagenase modified ANPs exhibited 1-2 orders of magnitude greater tumor penetration than unmodified ANPs into the spheroid mass after 96 hours, and showed preferential uptake into individual cancer cells for smaller sized ANPs (<100 nm). For enhanced efficacy, collagenase coated ANPs were modified with two therapeutic agents, curcumin and riluzole, with complementary mechanisms of action for combined cell cycle arrest and apoptosis in melanoma. The collagenase coated, drug loaded nanoparticles induced significantly more cell death within 3-D tumor models than the unmodified, dual drug loaded ANP particles and the kinetics of cytotoxicity was further influenced by the ANP size. Thus, multifunctional nanoparticles can be imbued with complementary size and protease activity features that allow them to penetrate solid tumors and deliver combinatorial therapeutic payload with enhanced cancer cytotoxicity but minimal collateral damage to healthy primary cells.
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Affiliation(s)
- Mingjie Cui
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Dominik Naczynski
- Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Margot Zevon
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Craig K. Griffith
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
- New Jersey Center for Biomaterials, Rutgers University, Piscataway, NJ 08854, USA
| | - Larisa Sheihet
- New Jersey Center for Biomaterials, Rutgers University, Piscataway, NJ 08854, USA
| | | | - Suzie Chen
- Department of Pharmacology, Rutgers University, Piscataway, NJ 08854, USA
| | - Charles M. Roth
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
- Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, NJ 08854, USA
| | - Prabhas V. Moghe
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 08854, USA
- Department of Chemical and Biochemical Engineering, Rutgers University, Piscataway, NJ 08854, USA
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279
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Mártha C, Kürti L, Farkas G, Jójárt-Laczkovich O, Szalontai B, Glässer E, Deli MA, Szabó-Révész P. Effects of polymers on the crystallinity of nanonized meloxicam during a co-grinding process. Eur Polym J 2013. [DOI: 10.1016/j.eurpolymj.2013.03.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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280
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Abstract
Poorly soluble drugs often encounter low bioavailability and erratic absorption patterns in the clinical setting. Due to the rising number of compounds having solubility issues, finding ways to enhance the solubility of drugs is one of the major challenges in the pharmaceutical industry today. Polymeric micelles, which form upon self-assembly of amphiphilic macromolecules, can act as solubilizing agents for delivery of poorly soluble drugs. This manuscript examines the fundamentals of polymeric micelles through reviews of representative literature and demonstrates possible applications through recent examples of clinical trial developments. In particular, the potential of polymeric micelles for delivery of poorly water-soluble drugs, especially in the areas of oral delivery and in cancer therapy, is discussed. Key considerations in utilizing polymeric micelles' advantages and overcoming potential disadvantages have been highlighted. Lastly, other possible strategies related to particle size reduction for enhancing solubilization of poorly water-soluble drugs are introduced.
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Affiliation(s)
- Ying Lu
- Purdue University, Departments of Pharmaceutics and Biomedical Engineering, West Lafayette, IN 47906, U.S.A
| | - Kinam Park
- Purdue University, Departments of Pharmaceutics and Biomedical Engineering, West Lafayette, IN 47906, U.S.A
- Kyung Hee University, School of Dentistry, Department of Maxillofacial Biomedical Engineering, Seoul, Korea
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281
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Leleux J, Williams RO. Recent advancements in mechanical reduction methods: particulate systems. Drug Dev Ind Pharm 2013; 40:289-300. [PMID: 23988193 DOI: 10.3109/03639045.2013.828217] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The screening of new active pharmaceutical ingredients (APIs) has become more streamlined and as a result the number of new drugs in the pipeline is steadily increasing. However, a major limiting factor of new API approval and market introduction is the low solubility associated with a large percentage of these new drugs. While many modification strategies have been studied to improve solubility such as salt formation and addition of cosolvents, most provide only marginal success and have severe disadvantages. One of the most successful methods to date is the mechanical reduction of drug particle size, inherently increasing the surface area of the particles and, as described by the Noyes-Whitney equation, the dissolution rate. Drug micronization has been the gold standard to achieve these improvements; however, the extremely low solubility of some new chemical entities is not significantly affected by size reduction in this range. A reduction in size to the nanometric scale is necessary. Bottom-up and top-down techniques are utilized to produce drug crystals in this size range; however, as discussed in this review, top-down approaches have provided greater enhancements in drug usability on the industrial scale. The six FDA approved products that all exploit top-down approaches confirm this. In this review, the advantages and disadvantages of both approaches will be discussed in addition to specific top-down techniques and the improvements they contribute to the pharmaceutical field.
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Affiliation(s)
- Jardin Leleux
- Deparment of Biomedical Engineering, The University of Texas at Austin , TX , USA and
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282
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Nkansah P, Antipas A, Lu Y, Varma M, Rotter C, Rago B, El-Kattan A, Taylor G, Rubio M, Litchfield J. Development and evaluation of novel solid nanodispersion system for oral delivery of poorly water-soluble drugs. J Control Release 2013; 169:150-61. [DOI: 10.1016/j.jconrel.2013.03.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 03/18/2013] [Accepted: 03/29/2013] [Indexed: 10/27/2022]
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283
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Polymeric micelles, a promising drug delivery system to enhance bioavailability of poorly water-soluble drugs. JOURNAL OF DRUG DELIVERY 2013; 2013:340315. [PMID: 23936656 PMCID: PMC3712247 DOI: 10.1155/2013/340315] [Citation(s) in RCA: 267] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 06/04/2013] [Accepted: 06/11/2013] [Indexed: 01/27/2023]
Abstract
Oral administration is the most commonly used and readily accepted form of drug delivery; however, it is find that many drugs are difficult to attain enough bioavailability when administered via this route. Polymeric micelles (PMs) can overcome some limitations of the oral delivery acting as carriers able to enhance drug absorption, by providing (1) protection of the loaded drug from the harsh environment of the GI tract, (2) release of the drug in a controlled manner at target sites, (3) prolongation of the residence time in the gut by mucoadhesion, and (4) inhibition of efflux pumps to improve the drug accumulation. To explain the mechanisms for enhancement of oral bioavailability, we discussed the special stability of PMs, the controlled release properties of pH-sensitive PMs, the prolongation of residence time with mucoadhesive PMs, and the P-gp inhibitors commonly used in PMs, respectively. The primary purpose of this paper is to illustrate the potential of PMs for delivery of poorly water-soluble drugs with bioavailability being well maintained.
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284
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Formulation and particle size reduction improve bioavailability of poorly water-soluble compounds with antimalarial activity. Malar Res Treat 2013; 2013:769234. [PMID: 23766925 PMCID: PMC3666196 DOI: 10.1155/2013/769234] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 02/25/2013] [Accepted: 03/23/2013] [Indexed: 11/18/2022] Open
Abstract
Decoquinate (DQ) is highly effective at killing malaria parasites in vitro; however, it is extremely insoluble in water. In this study, solid dispersion method was used for DQ formulation which created a suitable physical form of DQ in aqueous phase for particle manipulation. Among many polymers and surfactants tested, polyvinylpyrrolidone 10, a polymer, and L-α-phosphatidylcholine or polysorbate, two surfactants, were chosen as DQ formulation components. The formulation particles were reduced to a mean size between 200 to 400 nm, which was stable in aqueous medium for at least three weeks. Pharmacokinetic (PK) studies showed that compared to DQ microparticle suspension, a nanoparticle formulation orally dosed to mice showed a 14.47-fold increase in area under the curve (AUC) of DQ plasma concentration and a 4.53-fold increase in AUC of DQ liver distribution. WR 299666, a poorly water-soluble compound with antimalarial activity, was also tested and successfully made into nanoparticle formulation without undergoing solid dispersion procedure. We concluded that nanoparticles generated by using appropriate formulation components and sufficient particle size reduction significantly increased the bioavailability of DQ and could potentially turn this antimalarial agent to a therapeutic drug.
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285
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Ngoepe M, Choonara YE, Tyagi C, Tomar LK, du Toit LC, Kumar P, Ndesendo VMK, Pillay V. Integration of biosensors and drug delivery technologies for early detection and chronic management of illness. SENSORS (BASEL, SWITZERLAND) 2013; 13:7680-713. [PMID: 23771157 PMCID: PMC3715220 DOI: 10.3390/s130607680] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Revised: 05/21/2013] [Accepted: 06/07/2013] [Indexed: 11/17/2022]
Abstract
Recent advances in biosensor design and sensing efficacy need to be amalgamated with research in responsive drug delivery systems for building superior health or illness regimes and ensuring good patient compliance. A variety of illnesses require continuous monitoring in order to have efficient illness intervention. Physicochemical changes in the body can signify the occurrence of an illness before it manifests. Even with the usage of sensors that allow diagnosis and prognosis of the illness, medical intervention still has its downfalls. Late detection of illness can reduce the efficacy of therapeutics. Furthermore, the conventional modes of treatment can cause side-effects such as tissue damage (chemotherapy and rhabdomyolysis) and induce other forms of illness (hepatotoxicity). The use of drug delivery systems enables the lowering of side-effects with subsequent improvement in patient compliance. Chronic illnesses require continuous monitoring and medical intervention for efficient treatment to be achieved. Therefore, designing a responsive system that will reciprocate to the physicochemical changes may offer superior therapeutic activity. In this respect, integration of biosensors and drug delivery is a proficient approach and requires designing an implantable system that has a closed loop system. This offers regulation of the changes by means of releasing a therapeutic agent whenever illness biomarkers prevail. Proper selection of biomarkers is vital as this is key for diagnosis and a stimulation factor for responsive drug delivery. By detecting an illness before it manifests by means of biomarkers levels, therapeutic dosing would relate to the severity of such changes. In this review various biosensors and drug delivery systems are discussed in order to assess the challenges and future perspectives of integrating biosensors and drug delivery systems for detection and management of chronic illness.
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Affiliation(s)
- Mpho Ngoepe
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Yahya E. Choonara
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Charu Tyagi
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Lomas Kumar Tomar
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Lisa C. du Toit
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Pradeep Kumar
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
| | - Valence M. K. Ndesendo
- School of Pharmacy and Pharmaceutical Sciences, St. John's University of Tanzania, Dodoma, Tanzania; E-Mail:
| | - Viness Pillay
- Department of Pharmacy and Pharmacology, Faculty of Health Sciences, University of the Witwatersrand, 7 York Road, Parktown, 2193, Johannesburg, South Africa; E-Mails: (M.N.); (Y.E.C.); (L.C.D.); (P.K.); (C.T.) (L.K.T.)
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286
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Brough C, Williams RO. Amorphous solid dispersions and nano-crystal technologies for poorly water-soluble drug delivery. Int J Pharm 2013; 453:157-66. [PMID: 23751341 DOI: 10.1016/j.ijpharm.2013.05.061] [Citation(s) in RCA: 208] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/27/2013] [Accepted: 05/28/2013] [Indexed: 10/26/2022]
Abstract
Poor water-solubility is a common characteristic of drug candidates in pharmaceutical development pipelines today. Various processes have been developed to increase the solubility, dissolution rate and bioavailability of these active ingredients belonging to BCS II and IV classifications. Over the last decade, nano-crystal delivery forms and amorphous solid dispersions have become well established in commercially available products and industry literature. This article is a comparative analysis of these two methodologies primarily for orally delivered medicaments. The thermodynamic and kinetic theories relative to these technologies are presented along with marketed product evaluations and a survey of commercial relevant scientific literature.
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Affiliation(s)
- Chris Brough
- Division of Pharmaceutics, College of Pharmacy, The University of Texas at Austin, 1 University Station, Campus Mail Code A1902, Austin, TX 78712, United States.
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287
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Williams HD, Trevaskis NL, Charman SA, Shanker RM, Charman WN, Pouton CW, Porter CJH. Strategies to address low drug solubility in discovery and development. Pharmacol Rev 2013; 65:315-499. [PMID: 23383426 DOI: 10.1124/pr.112.005660] [Citation(s) in RCA: 985] [Impact Index Per Article: 89.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Drugs with low water solubility are predisposed to low and variable oral bioavailability and, therefore, to variability in clinical response. Despite significant efforts to "design in" acceptable developability properties (including aqueous solubility) during lead optimization, approximately 40% of currently marketed compounds and most current drug development candidates remain poorly water-soluble. The fact that so many drug candidates of this type are advanced into development and clinical assessment is testament to an increasingly sophisticated understanding of the approaches that can be taken to promote apparent solubility in the gastrointestinal tract and to support drug exposure after oral administration. Here we provide a detailed commentary on the major challenges to the progression of a poorly water-soluble lead or development candidate and review the approaches and strategies that can be taken to facilitate compound progression. In particular, we address the fundamental principles that underpin the use of strategies, including pH adjustment and salt-form selection, polymorphs, cocrystals, cosolvents, surfactants, cyclodextrins, particle size reduction, amorphous solid dispersions, and lipid-based formulations. In each case, the theoretical basis for utility is described along with a detailed review of recent advances in the field. The article provides an integrated and contemporary discussion of current approaches to solubility and dissolution enhancement but has been deliberately structured as a series of stand-alone sections to allow also directed access to a specific technology (e.g., solid dispersions, lipid-based formulations, or salt forms) where required.
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Affiliation(s)
- Hywel D Williams
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, Australia
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288
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Mesoporous silica nanoparticles in medicine--recent advances. Adv Drug Deliv Rev 2013; 65:689-702. [PMID: 22921598 DOI: 10.1016/j.addr.2012.07.018] [Citation(s) in RCA: 410] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 07/29/2012] [Accepted: 07/30/2012] [Indexed: 12/11/2022]
Abstract
MSNs have attracted increasing interest as drug carriers due to promising in vivo results in small-animal disease models, especially related to cancer therapy. In most cases small hydrophobic drugs have been used, but recent in vitro studies demonstrate that MSNs are highly interesting for gene delivery applications. This review covers recent advances related to the therapeutic use of mesoporous silica nanoparticles (MSNs) administered intravenously, intraperitoneally or locally. We also cover the use of MSNs in alternative modes of therapy such as photodynamic therapy and multidrug therapy. We further discuss the current understanding about the biodistribution and safety of MSNs. Finally, we critically discuss burning questions especially related to experimental design of in vivo studies in order to enable a fast transition to clinical trials of this promising drug delivery platform.
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289
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Abstract
The use of reduction and nucleation technologies in nanosize active pharmaceutical ingredient (API) is as an enabling to bring improved drug products to the marketplace demand as well as for improved drug delivery. nanoPharmaceutical field represents a hopeful set of pharmaceutical materials offering the prospect of better alternatives to optimize drug physical properties and biopharmaceutical issues such as solubility, stability and bioavailability in pharmaceutical development without changing the chemical composition of the API, thereby, giving new patentable solid forms. With physically improved solid API may impact the the pharmaceutical intellectual property landscape. Nanoparticle formation is achievable in many ways, although primarily through particle reduction or through manipulation of the nucleation mechanism. Keywords: active pharmaceutical ingredient; drug delivery; ultra rapid freezing.
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290
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Beloqui A, Solinís MÁ, Delgado A, Évora C, Isla A, Rodríguez-Gascón A. Fate of nanostructured lipid carriers (NLCs) following the oral route: design, pharmacokinetics and biodistribution. J Microencapsul 2013; 31:1-8. [DOI: 10.3109/02652048.2013.788090] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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291
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Melkoumov A, Goupil M, Louhichi F, Raymond M, de Repentigny L, Leclair G. Nystatin nanosizing enhances in vitro and in vivo antifungal activity against Candida albicans. J Antimicrob Chemother 2013; 68:2099-105. [DOI: 10.1093/jac/dkt137] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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292
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John CT, Xu W, Lupton LK, Harmon PA. Formulating Weakly Basic HCl Salts: Relative Ability of Common Excipients to Induce Disproportionation and the Unique Deleterious Effects of Magnesium Stearate. Pharm Res 2013; 30:1628-41. [DOI: 10.1007/s11095-013-1002-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Accepted: 02/06/2013] [Indexed: 11/30/2022]
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293
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Beloqui A, Solins MN, Gascn AR, del Pozo-Rodrguez A, des Rieux A, Prat V. Mechanism of transport of saquinavir-loaded nanostructured lipid carriers across the intestinal barrier. J Control Release 2013; 166:115-23. [DOI: 10.1016/j.jconrel.2012.12.021] [Citation(s) in RCA: 159] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Revised: 12/11/2012] [Accepted: 12/16/2012] [Indexed: 11/30/2022]
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294
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Beloqui A, Solinís MA, Delgado A, Evora C, del Pozo-Rodríguez A, Rodríguez-Gascón A. Biodistribution of Nanostructured Lipid Carriers (NLCs) after intravenous administration to rats: influence of technological factors. Eur J Pharm Biopharm 2013; 84:309-14. [PMID: 23461861 DOI: 10.1016/j.ejpb.2013.01.029] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 01/08/2013] [Accepted: 01/29/2013] [Indexed: 10/27/2022]
Abstract
Nanoparticles for medical applications are frequently administered via parenteral administration. In this study, the tissue distribution of three lipid formulations based on Nanostructured Lipid Carriers (NLCs) after intravenous administration to rats was evaluated. NLCs were prepared by a high pressure homogenization method and varied in terms of particle size, surface charge, and surfactant content. The (99m)Tc radiolabeled NLCs were intravenously administered to rats, and radioactivity levels in blood and tissues were measured. Cmax, AUC0-24, and MRT0-24 were obtained from the radioactivity level versus time profiles. The radiolabeled nanocarriers exhibited a long circulation time since radioactivity was detected in blood even 24 h post-injection. No differences on the MRT values in blood among the NLCs were observed, in spite of the different particle size and surface charge. The highest radioactivity levels were measured in the kidney, followed by the bone marrow, the liver, and the spleen. In the kidney, there was a higher accumulation of the positive nanoparticles, and in the liver, uptake of negative nanoparticles was higher than positive ones. NLCs with the largest particle size showed a higher uptake in the lung and lower accumulation in liver and bone marrow, in comparison with the smaller ones.
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Affiliation(s)
- A Beloqui
- Laboratory of Pharmacy and Pharmaceutical Technology, University of the Basque Country UPV/EHU, Vitoria-Gasteiz, Spain
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295
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Nanosuspensions: a new approach for organ and cellular targeting in infectious diseases. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2013. [DOI: 10.1007/s40005-013-0051-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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296
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Bagheri M, Pourmirzaei L. Synthesis and characterization of cholesteryl-modified graft copolymer from hydroxypropyl cellulose and its application as nanocarrier. Macromol Res 2013. [DOI: 10.1007/s13233-013-1080-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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297
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Ober CA, Montgomery SE, Gupta RB. Formation of itraconazole/L-malic acid cocrystals by gas antisolvent cocrystallization. POWDER TECHNOL 2013. [DOI: 10.1016/j.powtec.2012.04.058] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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298
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George M, Ghosh I. Identifying the correlation between drug/stabilizer properties and critical quality attributes (CQAs) of nanosuspension formulation prepared by wet media milling technology. Eur J Pharm Sci 2013; 48:142-52. [DOI: 10.1016/j.ejps.2012.10.004] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Revised: 09/13/2012] [Accepted: 10/09/2012] [Indexed: 11/30/2022]
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299
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The influence of supercritical carbon dioxide (SC-CO2) processing conditions on drug loading and physicochemical properties. Int J Pharm 2012; 439:92-9. [DOI: 10.1016/j.ijpharm.2012.09.047] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Accepted: 09/24/2012] [Indexed: 11/19/2022]
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300
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Sun B, Yeo Y. Nanocrystals for the parenteral delivery of poorly water-soluble drugs. CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE 2012; 16:295-301. [PMID: 23645994 PMCID: PMC3640575 DOI: 10.1016/j.cossms.2012.10.004] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Nanocrystals have drawn increasing interest in pharmaceutical industry because of the ability to improve dissolution of poorly water-soluble drugs. Nanocrystals can be produced by top-down and bottom-up technologies and have been explored for a variety of therapeutic applications. Here we review the methods of nanocrystal production and parenteral applications of nanocrystals. We also discuss remaining challenges in the development of nanocrystal products.
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Affiliation(s)
- Bo Sun
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Yoon Yeo
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
- Weldon School of Biomedical Engineering, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
- Corresponding author: Yoon Yeo, Ph.D., Phone: 1.765.496.9608, Fax: 1.765.494.6545,
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