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Abdallah M, Mohamed AS, Tadros MI, El-Nabarawi M, Tawfik MA. Solusomes (novel soluplus ® enriched nano-vesicular carriers) for improving the oral bioavailability of Candesartan cilexetil. Pharm Dev Technol 2024; 29:13-24. [PMID: 38014703 DOI: 10.1080/10837450.2023.2289166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/26/2023] [Indexed: 11/29/2023]
Abstract
Candesartan cilexetil (CAN) is administered for treating hypertension and heart failure. CAN suffers poor oral bioavailability, owing to limited aqueous solubility, and first-pass metabolism. Solusomes (novel Soluplus® enriched nano-vesicular carriers) combine the merits of Soluplus®, and the traditional liposomes. They were explored to increase CAN solubility, allow a high drug release rate, and improve the oral drug bioavailability. Solusomes were developed via thin film hydration technique utilizing lipid (phosphatidylcholine; PC) and polymeric solubilizer (Soluplus®; Solu). S6 system comprising PC (0.1% w/v), CAN and Soluplus® (at 1:5 ratio; w/w), following a 5 min sonication period, was the optimum one with respect to drug entrapment efficiency (83.5 ± 2.6%), drug loading (11.9 ± 0.3%), particle size and shape (377.2 ± 12.1 nm, spherical), zeta-potential (-19.6 ± 2.1 mV), saturated drug solubility (32.09 ± 0.71 µg/mL), drug released % after 1 h (68 ± 0.9%), and stability. Significantly higher Cmax (969.12 ± 46.3 ng/mL), shorter median Tmax (1h), and improved relative bioavailability (≈ 6.8 folds) in rabbits could evidence the potential of S6 system in enhancing oral CAN bioavailability. S6 solusomes act as dual platform to improve the oral drug bioavailability and maintain effective drug concentration for a prolonged period.
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Affiliation(s)
- Mohammed Abdallah
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | | | - Mina Ibrahim Tadros
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Department of Pharmaceutics, Faculty of Pharmacy and Drug Technology, Egyptian Chinese University, Cairo, Egypt
| | - Mohamed El-Nabarawi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mai Ahmed Tawfik
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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2
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Hot Melt Extrusion as an Effective Process in the Development of Mucoadhesive Tablets Containing Scutellariae baicalensis radix Extract and Chitosan Dedicated to the Treatment of Oral Infections. Int J Mol Sci 2023; 24:ijms24065834. [PMID: 36982908 PMCID: PMC10054152 DOI: 10.3390/ijms24065834] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/22/2023] Open
Abstract
Hot Melt Extrusion (HME) technology was developed to obtain blends containing lyophilized Scutellariae baicalensis root extract and chitosan in order to improve the rheological properties of the obtained blends, including tableting and compressibility properties. (Hydroxypropyl)methyl cellulose (HPMC) in 3 different ratios was used as amorphous matrix formers. The systems were characterized using X-ray powder diffraction (PXRD), Fourier Transform Infrared Spectroscopy with Attenuated Total Reflectance (FTIR-ATR), and in vitro release, permeability, and microbiological activity studies. Then, the extrudates were used to prepare tablets in order to give them the appropriate pharmaceutical form. HPMC-based systems released baicalin more slowly, resulting in delayed peaks in the acceptor fluid. This behavior can be explained by the fact that HPMC swells significantly, and the dissolved substance must have diffused through the polymer network before being released. The best tabletability properties are provided by the formulation containing the extrudate with lyophilized extract HPMC 50:50 w/w. These tablets offer a valuable baicalin release profile while maintaining good mucoadhesive properties that condition the tablet’s retention in the application site and the effectiveness of therapy.
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Školáková T, Smržová D, Pekárek T, Lhotka M, Školáková A, Klimša V, Kadeřábková A, Zámostný P. Investigation of tadalafil molecular arrangement in solid dispersions using inverse gas chromatography and Raman mapping. Int J Pharm 2022; 623:121955. [PMID: 35753537 DOI: 10.1016/j.ijpharm.2022.121955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/06/2022] [Accepted: 06/21/2022] [Indexed: 11/30/2022]
Abstract
The aim of this study was to investigate the molecular structures of tadalafil solid dispersions prepared by different techniques and further to relate them to surface free energy information indicating the final amorphousness of the product. Thus, we tried to complement the existing knowledge of solid dispersion formation. Poorly water-soluble tadalafil was combined with different polymers, i.e. Kollidon® 12 PF, Kollidon® VA 64 and Soluplus®, to form model systems. To assess the extent of drug-polymer miscibility, we studied model solid dispersion surface energy using inverse gas chromatography and phase micro-structure using confocal Raman microscopy. The selection of the preparation method was found to play a crucial role in the molecular arrangement of the incorporated drug and the polymer in resulting solid dispersion. Our results showed that a lower surface free energy indicated the formation of a more homogeneous solid dispersion. Conversely, a higher surface free energy corresponded to the heterogeneous systems containing tadalafil amorphous clusters that were captured by Raman mapping. Thus, we successfully introduced a novel evaluation approach of the drug molecular arrangement in solid dispersions that is especially useful for examining the miscibility of the components when the conventional characterizing techniques are inconclusive or yield variable results.
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Affiliation(s)
- Tereza Školáková
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic.
| | - Dominika Smržová
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Tomáš Pekárek
- Zentiva, k.s., U Kabelovny 130, 102 37 Prague 10, Czech Republic
| | - Miloslav Lhotka
- Department of Inorganic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Andrea Školáková
- Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Vojtěch Klimša
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague 6, Czech Republic
| | - Alena Kadeřábková
- Department of Polymers, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Petr Zámostný
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
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Ahmed MM, Anwer MK, Soliman GA, Aldawsari MF, Mohammed AA, Alshehri S, Ghoneim MM, Alali AS, Alshetaili A, Alalaiwe A, Bukhari SI, Zafar A. Application of hydrophilic polymers for the preparation of tadalafil solid dispersions: micromeritics properties, release and erectile dysfunction studies in male rats. PeerJ 2022; 10:e13482. [PMID: 35642201 PMCID: PMC9148559 DOI: 10.7717/peerj.13482] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 05/02/2022] [Indexed: 01/17/2023] Open
Abstract
The objective of the present study was to improve the dissolution rate and aphrodisiac activity of tadalafil by using hydrophilic polymers. Solid dispersions were prepared by solvent evaporation-Rota evaporator using Koliphore 188, Kollidon® VA64, and Kollidon® 30 polymers in a 1:1 ratio. Prepared tadalafil-solid dispersions (SDs) evaluated for yield, drug content, micromeritics properties, physicochemical characterizations, and aphrodisiac activity assessment. The optimized SDs TK188 showed size (2.175 ± 0.24 µm), percentage of content (98.89 ± 1.23%), yield (87.27 ± 3.13%), bulk density (0.496 ± 0.005 g/cm3), true density (0.646 ± 0.003 g/cm3), Carr's index (23.25 ± 0.81), Hausner ratio (1.303 ± 0.003) and angle of repose (<25°). FTIR spectrums revealed tadalafil doesn't chemically interact with used polymers. XRD and DSC analysis represents TK188 SDs were in the amorphous state. Drug release was 97.17 ± 2.43% for TK188, whereas it was 32.76 ± 2.65% for pure drug at the end of 2 h with 2.96-fold increase in dissolution and followed release kinetics of Korsmeyer Peppa's model. MDT and DE were noted to be 17.48 minutes and 84.53%, respectively. Furthermore, TK188 SDs showed relative improvement in the sexual behavior of the male rats. Thus the developed SDs TK188 could be potential tadalafil carriers for the treatment of erectile dysfunction.
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Affiliation(s)
| | - Md Khalid Anwer
- Pharmaceutics, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Gamal A. Soliman
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia,Department of Pharmacology, College of Veterinary Medicine, Cairo University, Giza, Egypt
| | | | - Abdul Aleem Mohammed
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Sultan Alshehri
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia,Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Mohammed M. Ghoneim
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
| | - Amer S. Alali
- Pharmaceutics, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Abdullah Alshetaili
- Pharmaceutics, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Ahmed Alalaiwe
- Pharmaceutics, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Sarah I. Bukhari
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ameeduzzafar Zafar
- Department of Pharmaceutics, College of Pharmacy, Jouf University, Sakaka, Al-Jouf Saudi Arabia
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Thinking of bosentan repurposing – A study on dehydration and amorphization. Int J Pharm 2022; 622:121846. [DOI: 10.1016/j.ijpharm.2022.121846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/14/2022] [Accepted: 05/18/2022] [Indexed: 10/18/2022]
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Granados PA, Pinho LA, Sa-Barreto LL, Gratieri T, Gelfuso GM, Cunha-Filho M. Application of hot-melt extrusion in the complexation of naringenin with cyclodextrin using hydrophilic polymers. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2021.11.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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7
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Alqahtani F, Belton P, Zhang B, Al-Sharabi M, Ross S, Mithu MSH, Douroumis D, Zeitler JA, Qi S. An investigation into the formations of the internal microstructures of solid dispersions prepared by hot melt extrusion. Eur J Pharm Biopharm 2020; 155:147-161. [DOI: 10.1016/j.ejpb.2020.08.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 07/31/2020] [Accepted: 08/18/2020] [Indexed: 11/26/2022]
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8
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Preparation of solid dispersions with respect to the dissolution rate of active substance. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101518] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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9
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Su M, Xia Y, Shen Y, Heng W, Wei Y, Zhang L, Gao Y, Zhang J, Qian S. A novel drug–drug coamorphous system without molecular interactions: improve the physicochemical properties of tadalafil and repaglinide. RSC Adv 2020; 10:565-583. [PMID: 35492562 PMCID: PMC9048229 DOI: 10.1039/c9ra07149k] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 12/17/2019] [Indexed: 01/24/2023] Open
Abstract
Tadalafil and repaglinide, categorized as BCS class II drugs, have low oral bioavailabilities due to their poorly aqueous solubilities and dissolutions. The aim of this study was to enhance the dissolution of tadalafil and repaglinide by co-amorphization technology and evaluate the storage and compression stability of such coamorphous system. Based on Flory–Huggins interaction parameter (χ ≤ 0) and Hansen solubility parameter (δt ≤ 7 MPa0.5) calculations, tadalafil and repaglinide was predicted to be well miscible with each other. Coamorphous tadalafil–repaglinide (molar ratio, 1 : 1) was prepared by solvent-evaporation method and characterized with respect to its thermal properties, possible molecular interactions. A single Tg (73.1 °C) observed in DSC and disappearance of crystallinity in PXRD indicated the formation of coamorphous system. Principal component analysis of FTIR in combination with Raman spectroscopy and Ss 13C NMR suggested the absence of intermolecular interactions in coamorphous tadalafil–repaglinide. In comparison to pure crystalline forms and their physical mixtures, both drugs in coamorphous system exhibited significant increases in intrinsic dissolution rate (1.5–3-fold) and could maintain supersaturated level for at least 4 hours in non-sink dissolution. In addition, the coamorphous tadalafil–repaglinide showed improved stability compared to the pure amorphous forms under long-term stability and accelerated storage conditions as well as under high compressing pressure. In conclusion, this study showed that co-amorphization technique is a promising approach for improving the dissolution rate of poorly water-soluble drugs and for stabilizing amorphous drugs. The coamorphous tadalafil–repaglinide (molar ratio, 1 : 1) prepared by solvent-evaporation method significantly improve the physicochemical properties of tadalafil and repaglinide.![]()
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Affiliation(s)
- Meiling Su
- School of Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Yanming Xia
- School of Traditional Chinese Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Yajing Shen
- School of Traditional Chinese Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Weili Heng
- School of Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Yuanfeng Wei
- School of Traditional Chinese Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Linghe Zhang
- Department of Chemistry
- Smith College
- Northampton
- USA
| | - Yuan Gao
- School of Traditional Chinese Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Jianjun Zhang
- School of Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Shuai Qian
- School of Traditional Chinese Pharmacy
- China Pharmaceutical University
- Nanjing
- P. R. China
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Łyszczarz E, Hofmanová J, Szafraniec-Szczęsny J, Jachowicz R. Orodispersible films containing ball milled aripiprazole-poloxamer®407 solid dispersions. Int J Pharm 2019; 575:118955. [PMID: 31843552 DOI: 10.1016/j.ijpharm.2019.118955] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 11/25/2019] [Accepted: 12/11/2019] [Indexed: 01/17/2023]
Abstract
This research aimed at developing ODFs containing an antipsychotic drug - aripiprazole (ARP). ARP, as a BCS II class molecule, requires enhancing its water solubility prior to formulating. Therefore, a solid dispersion of ARP - Poloxamer® 407 was prepared by ball milling, then incorporated into the films. It was found that co-processing led to an over 100-fold increase in drug solubility in comparison with pure drug. Moreover, ODFs with solid dispersion showed faster drug release (>95% below 15 min) and disintegration (<30 s), compared with raw ARP films. These results are believed to be due to the solubilization effect of poloxamer and enhanced wettability of the film. Films containing solid dispersions were found to possess smoother film surfaces and favorable mechanical properties - flexibility and strength. The ODF formulations, prepared by a casting method, were based on three different polymers (Kollicoat® IR, Kollicoat® Protect or PVA). It was found that not only the form of the incorporated drug, but also the type of film-forming polymer had an impact on the analyzed parameters. The use of PVA was beneficial in the film formulation with aripiprazole in comparison to other tested film-forming polymers.
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Affiliation(s)
- Ewelina Łyszczarz
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland.
| | - Justyna Hofmanová
- School of Pharmacy, University of Birmingham, Edgbaston B15 2TT, United Kingdom
| | - Joanna Szafraniec-Szczęsny
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Renata Jachowicz
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
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11
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Jamróz W, Kurek M, Szafraniec-Szczęsny J, Czech A, Gawlak K, Knapik-Kowalczuk J, Leszczyński B, Wróbel A, Paluch M, Jachowicz R. Speed it up, slow it down…An issue of bicalutamide release from 3D printed tablets. Eur J Pharm Sci 2019; 143:105169. [PMID: 31785383 DOI: 10.1016/j.ejps.2019.105169] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/17/2019] [Accepted: 11/25/2019] [Indexed: 01/17/2023]
Abstract
The article describes the preparation and characterization of 3D-printed tablets with bicalutamide obtained using two-material co-extrusion-based fused deposition modeling (FDM). This method is a modification of typical two-material FDM where separate nozzles are used to print from two filaments. In this work we used a ZMorph® 3D printer with DualPro printhead which allows us to co-extrude two filaments through a single nozzle. This approach gives the opportunity to modify tablet properties in a wide range, especially the dissolution rate, by producing dosage forms with a complex design. The great advantage of this method is that switching between immediate dosage form and controlled release does not require any change in the 3D-printer set-up. We checked the accuracy of co-extrusion printing simply by weighing the amounts of soluble and insoluble material in the printed object as well as calculating the volumes of the printed objects from micro computed tomography (µ-CT) images. We printed several tablets with a different design including simple one-material tablets, two- and three-compartment tablets with various internal structure and composition of the printing path. The dissolution tests were conducted in sink and non-sink conditions. We obtained tablets with desired bicalutamide dissolution profiles, i.e. immediate, controlled, and combined. The formation of spatial matrix slows down the dissolution in controlled and combined release bicalutamide tablets what was confirmed by µ-CT analysis before and after dissolution.
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Affiliation(s)
- Witold Jamróz
- Chair and Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland.
| | - Mateusz Kurek
- Chair and Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
| | - Joanna Szafraniec-Szczęsny
- Chair and Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland; Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa str., 30-387 Krakow, Poland
| | - Anna Czech
- Chair and Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
| | - Karolina Gawlak
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, 2 Gronostajowa str., 30-387 Krakow, Poland
| | - Justyna Knapik-Kowalczuk
- Division of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; Silesian Center for Education and Interdisciplinary Research, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Bartosz Leszczyński
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11 30-348 Krakow, Poland
| | - Andrzej Wróbel
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11 30-348 Krakow, Poland
| | - Marian Paluch
- Division of Biophysics and Molecular Physics, Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland; Silesian Center for Education and Interdisciplinary Research, 75 Pulku Piechoty 1a, 41-500 Chorzow, Poland
| | - Renata Jachowicz
- Chair and Department of Pharmaceutical Technology and Biopharmaceutics, Jagiellonian University Medical College, Medyczna 9, 30-688 Krakow, Poland
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Školáková T, Slámová M, Školáková A, Kadeřábková A, Patera J, Zámostný P. Investigation of Dissolution Mechanism and Release Kinetics of Poorly Water-Soluble Tadalafil from Amorphous Solid Dispersions Prepared by Various Methods. Pharmaceutics 2019; 11:E383. [PMID: 31382377 PMCID: PMC6722951 DOI: 10.3390/pharmaceutics11080383] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 07/24/2019] [Accepted: 07/30/2019] [Indexed: 11/17/2022] Open
Abstract
The aims of this study were to investigate how the release of tadalafil is influenced by two grades of polyvinylpyrrolidone (Kollidon® 12 PF and Kollidon® VA 64) and various methods of preparing solid dispersions (solvent evaporation, spray drying and hot-melt extrusion). Tadalafil is poorly water-soluble and its high melting point makes it very sensitive to the solid dispersion preparation method. Therefore, the objectives were to make a comparative evaluation among different solid dispersions and to assess the effect of the physicochemical nature of solid dispersions on the drug release profile with respect to the erosion-diffusion mechanism. The solid dispersions were evaluated for dissolution profiles, XRD, SEM, FT-IR, DSC, and solubility or stability studies. It was found that tadalafil release was influenced by polymer molecular weight. Therefore, solid dispersions containing Kollidon® 12 PF showed a faster dissolution rate compared to Kollidon® VA 64. Tadalafil was released from solid dispersions containing Kollidon® 12 PF because of the combination of erosion and diffusion mechanisms. The diffusion mechanisms were predominant in the initial phase of the experiment and the slow erosion was dissolution-controlling at the second stage of the dissolution. On the contrary, the tadalafil release rate from solid dispersions containing Kollidon® VA 64 was controlled solely by the erosion mechanism.
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Affiliation(s)
- Tereza Školáková
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic.
| | - Michaela Slámová
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Andrea Školáková
- Department of Metals and Corrosion Engineering, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Alena Kadeřábková
- Department of Polymers, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jan Patera
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Petr Zámostný
- Department of Organic Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic
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13
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Huang D, Xie Z, Rao Q, Liamas E, Pan P, Guan S, Zhang ZJ, Lu M, Li Q. Hot melt extrusion of heat-sensitive and high melting point drug: Inhibit the recrystallization of the prepared amorphous drug during extrusion to improve the bioavailability. Int J Pharm 2019; 565:316-324. [DOI: 10.1016/j.ijpharm.2019.04.064] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 04/04/2019] [Accepted: 04/21/2019] [Indexed: 11/16/2022]
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14
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Teymouri Rad R, Dadashzadeh S, Vatanara A, Alavi S, Ghasemian E, Mortazavi SA. Tadalafil nanocomposites as a dry powder formulation for inhalation, a new strategy for pulmonary arterial hypertension treatment. Eur J Pharm Sci 2019; 133:275-286. [DOI: 10.1016/j.ejps.2019.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 03/09/2019] [Accepted: 04/01/2019] [Indexed: 10/27/2022]
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15
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Kallakunta VR, Sarabu S, Bandari S, Tiwari R, Patil H, Repka MA. An update on the contribution of hot-melt extrusion technology to novel drug delivery in the twenty-first century: part I. Expert Opin Drug Deliv 2019; 16:539-550. [PMID: 31007090 PMCID: PMC6791722 DOI: 10.1080/17425247.2019.1609448] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/16/2019] [Indexed: 10/27/2022]
Abstract
INTRODUCTION Currently, hot melt extrusion (HME) is a promising technology in the pharmaceutical industry, as evidenced by its application to manufacture various FDA-approved commercial products in the market. HME is extensively researched for enhancing the solubility and bioavailability of poor water-soluble drugs, taste masking, and modifying release in drug delivery systems. Additionally, its other novel opportunities or pharmaceutical applications, and capability for continuous manufacturing are being investigated. This efficient, industrially scalable, solvent-free, continuous process can be easily automated and coupled with other novel platforms for continuous manufacturing of pharmaceutical products. AREAS COVERED This review focuses on updates on solubility enhancement of poorly water-soluble drugs and process analytical tools such as UV/visible spectrophotometry; near-infrared spectroscopy; Raman spectroscopy; and rheometry for continuous manufacturing, with a special emphasis on fused deposition modeling 3D printing. EXPERT OPINION The strengths, weakness, opportunities, threats (SWOT) and availability of commercial products confirmed wide HME applicability in pharmaceutical research. Increased interest in continuous manufacturing processes makes HME a promising strategy for this application. However, there is a need for extensive research using process analytical tools to establish HME as a dependable continuous manufacturing process.
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Affiliation(s)
- Venkata Raman Kallakunta
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
| | - Sandeep Sarabu
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
| | - Roshan Tiwari
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
| | - Hemlata Patil
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
| | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, The University of Mississippi, University, MS 38677
- Pii Center for Pharmaceutical Technology, The University of Mississippi, University, MS 38677
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Zi P, Zhang C, Ju C, Su Z, Bao Y, Gao J, Sun J, Lu J, Zhang C. Solubility and bioavailability enhancement study of lopinavir solid dispersion matrixed with a polymeric surfactant - Soluplus. Eur J Pharm Sci 2019; 134:233-245. [PMID: 31028820 DOI: 10.1016/j.ejps.2019.04.022] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 03/28/2019] [Accepted: 04/23/2019] [Indexed: 01/29/2023]
Abstract
As a biopharmaceutical classification system Class IV drug, lopinavir (LPV) shows relatively poor water solubility and permeation in vivo. In the study, we developed novel solid dispersions (SD) of LPV to improve its bioavailability and to describe their overall behaviors. By employing solvent evaporation for a preliminary formulation screening, the SDs of LPV-polymer-sorbitan monolaurate (SBM, as the wetting agent) at 1:4:0.4 (w/w) dramatically enhanced the LPV dissolution in a non-sink medium, and then hot-melt extrusion (HME) was applied to improve the dissolution further. A hydrophilic polymer - Kollidon VA 64 (VA64) and a polymeric surfactant Soluplus were employed as matrix respectively in the optimized formulations. The dissolution profiles of extrudates were significantly higher than those of SDs prepared with solvent-evaporation method. It was attributed to the stronger intermolecular interactions between LPV and the polymers in the HME process, which was also supported by the stability analysis after 6 months storage under 25 °C/60% RH. The differential scanning calorimetry, fourier transform infrared spectroscopy and equilibrium studies showed VA64 only created hydrogen bonding (H-bond) with LPV, but Soluplus generated both H-bond and micelle thanks to its amphiphilic structure. In addition, the bioavailability of LPV in Soluplus matrixed extrudate was 1.70-fold of VA64 matrixed extrudate and 3.70-fold of LPV crystal. In situ permeability and Caco-2 cell transport studies revealed that Soluplus significantly enhanced the permeability of LPV through rat intestine and Caco-2 cell monolayers by P-glycoprotein (P-gp) inhibition. Herein, Soluplus matrixed extrudate improved the LPV bioavailability through three mechanisms: H-bond with LPV, micelle formation in water and P-gp inhibition in vivo. These unique advantages of Soluplus suggested it is a promising carrier for poorly water soluble drugs, especially the substrates of P-gp.
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Affiliation(s)
- Peng Zi
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Cheng Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Caoyun Ju
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Zhigui Su
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Yusheng Bao
- Nanjing Heron Pharmaceutical Science and Technology Co. Ltd., No.18 Zhilan Road, Jiangning District, Nanjing 211100, China
| | - Jie Gao
- BASF (China) Co., Ltd., 300 Jiang Xin Sha Road, Pudong District, Shanghai 200137, China
| | - Juan Sun
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Jiannan Lu
- Evelo Bioscience, 620 Memorial Drive, Suite 500, Cambridge, MA 02139, USA
| | - Can Zhang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Diseases, Center of Advanced Pharmaceuticals and Biomaterials, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China.
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Martínez-Monteagudo SI, Enteshari M, Metzger L. Lactitol: Production, properties, and applications. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2018.11.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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18
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Krupa A, Tabor Z, Tarasiuk J, Strach B, Pociecha K, Wyska E, Wroński S, Łyszczarz E, Jachowicz R. The impact of polymers on 3D microstructure and controlled release of sildenafil citrate from hydrophilic matrices. Eur J Pharm Sci 2018; 119:234-243. [DOI: 10.1016/j.ejps.2018.04.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/10/2018] [Accepted: 04/17/2018] [Indexed: 12/11/2022]
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Melt extrusion with poorly soluble drugs - An integrated review. Int J Pharm 2017; 535:68-85. [PMID: 29102700 DOI: 10.1016/j.ijpharm.2017.10.056] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 10/29/2017] [Accepted: 10/31/2017] [Indexed: 11/20/2022]
Abstract
Over the last few decades, hot melt extrusion (HME) has emerged as a successful technology for a broad spectrum of applications in the pharmaceutical industry. As indicated by multiple publications and patents, HME is mainly used for the enhancement of solubility and bioavailability of poorly soluble drugs. This review is focused on the recent reports on the solubility enhancement via HME and provides an update for the manufacturing/scaling up aspects of melt extrusion. In addition, drug characterization methods and dissolution studies are discussed. The application of process analytical technology (PAT) tools and use of HME as a continuous manufacturing process may shorten the drug development process; as a result, the latter is becoming the most widely utilized technique in the pharmaceutical industry. The advantages, disadvantages, and practical applications of various PAT tools such as near and mid-infrared, ultraviolet/visible, fluorescence, and Raman spectroscopies are summarized, and the characteristics of other techniques are briefly discussed. Overall, this review also provides an outline for the currently marketed products and analyzes the strengths, weaknesses, opportunities and threats of HME application in the pharmaceutical industry.
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