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Moseson DE, Tran TB, Karunakaran B, Ambardekar R, Hiew TN. Trends in amorphous solid dispersion drug products approved by the U.S. Food and Drug Administration between 2012 and 2023. Int J Pharm X 2024; 7:100259. [PMID: 38974024 PMCID: PMC11225173 DOI: 10.1016/j.ijpx.2024.100259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 06/01/2024] [Indexed: 07/09/2024] Open
Abstract
Forty-eight (48) drug products (DPs) containing amorphous solid dispersions (ASDs) have been approved by the U.S. Food and Drug Administration in the 12-year period between 2012 and 2023. These DPs comprise 36 unique amorphous drugs. Ten (10) therapeutic categories are represented, with most DPs containing antiviral and antineoplastic agents. The most common ASD polymers are copovidone (49%) and hypromellose acetate succinate (30%), while spray drying (54%) and hot melt extrusion (35%) are the most utilized manufacturing processes to prepare the ASD drug product intermediate (DPI). Tablet dosage forms are the most common, with several capsule products available. Line extensions of several DPs based on flexible oral solids and powders for oral suspension have been approved which provide patient-centric dosing to pediatric and other patient populations. The trends in the use of common excipients and film coating types are discussed. Eighteen (18) DPs are fixed-dose combinations, and some contain a mixture of amorphous and crystalline drugs. The DPs have dose/unit of amorphous drug ranging from <5 mg up to 300 mg, with the majority being ≤100 mg/unit. This review details several aspects of DPI and DP formulation and manufacturing of ASDs, as well as trends related to therapeutic category, dose, and patient-centricity.
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Affiliation(s)
- Dana E. Moseson
- Worldwide Research and Development, Pfizer, Inc., Groton, CT 06340, USA
| | - Trong Bien Tran
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
| | - Bharathi Karunakaran
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
| | - Rohan Ambardekar
- Worldwide Research and Development, Pfizer, Inc., Sandwich CT13 9NJ, UK
| | - Tze Ning Hiew
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
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Chen L, Hu E, Shen P, Qian S, Heng W, Zhang J, Gao Y, Wei Y. Development of Amorphous Solid Dispersion Sustained-Release Formulations with Polymer Composite Matrix-Regulated Stable Release Plateaus. Pharm Res 2024; 41:1233-1245. [PMID: 38744732 DOI: 10.1007/s11095-024-03709-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 04/21/2024] [Indexed: 05/16/2024]
Abstract
PURPOSE This study was designed to develop ibuprofen (IBU) sustained-release amorphous solid dispersion (ASD) using polymer composites matrix with drug release plateaus for stable release and to further reveal intrinsic links between polymer' matrix ratios and drug release behaviors. METHODS Hydrophilic polymers and hydrophobic polymers were combined to form different composite matrices in developing IBU ASD formulations by hot melt extrusion technique. The intrinsic links between the mixed polymer matrix ratio and drug dissolution behaviors was deeply clarified from the dissolution curves of hydrophilic polymers and swelling curves of composite matrices, and intermolecular forces among the components in ASDs. RESULTS IBU + ammonio methacrylate copolymer type B (RSPO) + poly(1-vinylpyrrolidone-co-vinyl acetate) (PVP VA64) physical mixtures presented unstable release behaviors with large error bars due to inhomogeneities at the micrometer level. However, IBU-RSPO-PVP VA64 ASDs showed a "dissolution plateau phenomenon", i.e., release behaviors of IBU in ASDs were unaffected by polymer ratios when PVP VA64 content was 35% ~ 50%, which could reduce risks of variations in release behaviors due to fluctuations in prescriptions/processes. The release of IBU in ASDs was simultaneously regulated by the PVP VA64-mediated "dissolution" and RSPO-PVP VA64 assembly-mediated "swelling". Radial distribution function suggested that similar intermolecular forces between RSPO and PVP VA64 were key mechanisms for the "dissolution plateau phenomenon" in ASDs at 35% ~ 50% of PVP VA64. CONCLUSIONS This study provided ideas for developing ASD sustained-release formulations with stable release plateau modulated by polymer combinations, taking full advantages of simple process/prescription, ease of scale-up and favorable release behavior of ASD formulations.
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Affiliation(s)
- Lingwu Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China
- Jiuhua & Huayuan Pharmaceutical Co., Ltd, Chuzhou, 239000, People's Republic of China
| | - Enshi Hu
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China
| | - Peiya Shen
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China
| | - Shuai Qian
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China
| | - Weili Heng
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China
| | - Jianjun Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Yuan Gao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
| | - Yuanfeng Wei
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, People's Republic of China.
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Jain KMH, Hou HH, Siegel RA. An Artificial Gut/Absorption Simulator: Understanding the Impact of Absorption on In Vitro Dissolution, Speciation, and Precipitation of Amorphous Solid Dispersions. Mol Pharm 2024; 21:1884-1899. [PMID: 38512389 DOI: 10.1021/acs.molpharmaceut.3c01180] [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] [Indexed: 03/23/2024]
Abstract
Upon dissolution, amorphous solid dispersions (ASDs) of poorly water-soluble compounds can generate supersaturated solutions consisting of bound and free drug species that are in dynamic equilibrium with each other. Only free drug is available for absorption. Drug species bound to bile micelles, polymer excipients, and amorphous and crystalline precipitate can reduce the drug solute's activity to permeate, but they can also serve as reservoirs to replenish free drug in solution lost to absorption. However, with multiple processes of dissolution, absorption, and speciation occurring simultaneously, it may become challenging to understand which processes lead to an increase or decrease in drug solution concentration. Closed, nonsink dissolution testing methods used routinely, in the absence of drug removal, allow only for static equilibrium to exist and obscure the impact of each drug species on absorption. An artificial gut simulator (AGS) introduced recently consists of a hollow fiber-based absorption module and allows mass transfer of the drug from the dissolution media at a physiological rate after tuning the operating parameters. In the present work, ASDs of varying drug loadings were prepared with a BCS-II model compound, ketoconazole (KTZ), and hypromellose acetate succinate (HPMCAS) polymer. Simultaneous dissolution and absorption testing of the ASDs was conducted with the AGS, and simple analytical techniques were utilized to elucidate the impact of bound drug species on absorption. In all cases, a lower amount of crystalline precipitate was formed in the presence of absorption relative to the nonsink dissolution "control". However, formation of HPMCAS-bound drug species and crystalline precipitate significantly reduced KTZ absorption. Moreover, at high drug loading, inclusion of an absorption module was shown to enhance ASD dissolution. The rank ordering of the ASDs with respect to dissolution was significantly different when nonsink dissolution versus AGS was used, and this discrepancy could be mechanistically elucidated by understanding drug dissolution and speciation in the presence of absorption.
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Affiliation(s)
| | - Hao Helen Hou
- Small Molecule Pharmaceutical Sciences, Genentech Inc., South San Francisco, California 94080, United States
| | - Ronald A Siegel
- Department of Pharmaceutics, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Cao Z, Harmon DM, Yang R, Razumtcev A, Li M, Carlsen MS, Geiger AC, Zemlyanov D, Sherman AM, Takanti N, Rong J, Hwang Y, Taylor LS, Simpson GJ. Periodic Photobleaching with Structured Illumination for Diffusion Imaging. Anal Chem 2023; 95:2192-2202. [PMID: 36656303 DOI: 10.1021/acs.analchem.2c02950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The use of periodically structured illumination coupled with spatial Fourier-transform fluorescence recovery after photobleaching (FT-FRAP) was shown to support diffusivity mapping within segmented domains of arbitrary shape. Periodic "comb-bleach" patterning of the excitation beam during photobleaching encoded spatial maps of diffusion onto harmonic peaks in the spatial Fourier transform. Diffusion manifests as a simple exponential decay of a given harmonic, improving the signal to noise ratio and simplifying mathematical analysis. Image segmentation prior to Fourier transformation was shown to support pooling for signal to noise enhancement for regions of arbitrary shape expected to exhibit similar diffusivity within a domain. Following proof-of-concept analyses based on simulations with known ground-truth maps, diffusion imaging by FT-FRAP was used to map spatially-resolved diffusion differences within phase-separated domains of model amorphous solid dispersion spin-cast thin films. Notably, multi-harmonic analysis by FT-FRAP was able to definitively discriminate and quantify the roles of internal diffusion and exchange to higher mobility interfacial layers in modeling the recovery kinetics within thin amorphous/amorphous phase-separated domains, with interfacial diffusion playing a critical role in recovery. These results have direct implications for the design of amorphous systems for stable storage and efficacious delivery of therapeutic molecules.
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Affiliation(s)
- Ziyi Cao
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Dustin M Harmon
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Ruochen Yang
- Department of Industrial and Physical Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, Indiana47907, United States
| | - Aleksandr Razumtcev
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Minghe Li
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Mark S Carlsen
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Andreas C Geiger
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Dmitry Zemlyanov
- Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana47907, United States
| | - Alex M Sherman
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Nita Takanti
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Jiayue Rong
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Yechan Hwang
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
| | - Lynne S Taylor
- Department of Industrial and Physical Pharmacy, Purdue University, 575 Stadium Mall Drive, West Lafayette, Indiana47907, United States
| | - Garth J Simpson
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana47907, United States
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Patel NG, Banella S, Serajuddin ATM. Moisture Sorption by Polymeric Excipients Commonly Used in Amorphous Solid Dispersions and its Effect on Glass Transition Temperature: II. Cellulosic Polymers. J Pharm Sci 2022; 111:3114-3129. [PMID: 35921915 DOI: 10.1016/j.xphs.2022.07.020] [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: 02/18/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 12/14/2022]
Abstract
Moisture sorption by polymeric carriers used for the development of amorphous solid dispersions (ASDs) plays a critical role in the physical stability of dispersed drugs since moisture may decrease glass transition temperature (Tg) and thereby increase molecular mobility of drugs leading to their crystallization. To assist the selection of appropriate polymers for ASDs, we conducted moisture sorption by five types of cellulosic polymers, namely, hydroxypropyl cellulose (HPC), hydroxypropyl methyl cellulose (HPMC), hydroxypropyl methyl cellulose acetate succinate (HPMCAS), hydroxypropyl methyl cellulose phthalate (HPMCP), and ethyl cellulose (EC), as functions of relative humidity (10 to 90% RH) and temperature (25 and 40 °C). The moisture sorption was in the order of HPC>HPMC>HPMCP>HPMCAS>EC, and there was no significant effect of the molecular weights of polymers on moisture uptake. There was also less moisture sorption at 40 °C than that at 25 °C. Glass transition temperatures (Tg) of the polymers decreased with the increase in moisture content. However, the plasticizing effect by moisture on HPC could not be determined fully since, despite being amorphous, there were very little baseline shifts in DSC scans. There was also very shallow baseline shift for HPMC at >1% moisture content. In contrast, Tg of HPMCAS and HPMCP decreased in general agreement with the Gordon-Taylor/Kelley-Bueche equation, and EC was semicrystalline having both Tg and melting endotherm, with only minor effect of moisture on Tg. The results of the present investigation would lead to a systematic selection of polymeric carriers for ASDs.
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Affiliation(s)
- Nirali G Patel
- Department of Pharmaceutical Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, USA
| | - Sabrina Banella
- Department of Pharmaceutical Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, USA
| | - Abu T M Serajuddin
- Department of Pharmaceutical Sciences, St. John's University, 8000 Utopia Parkway, Queens, NY 11439, USA.
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Butreddy A. Hydroxypropyl methylcellulose acetate succinate as an exceptional polymer for amorphous solid dispersion formulations: A review from bench to clinic. Eur J Pharm Biopharm 2022; 177:289-307. [PMID: 35872180 DOI: 10.1016/j.ejpb.2022.07.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/07/2022] [Accepted: 07/18/2022] [Indexed: 02/06/2023]
Abstract
Amorphous solid dispersions (ASDs) are a proven system for achieving a supersaturated state of drug, in which the concentration of drug is greater than its crystalline solubility. The usage of Hydroxypropyl Methylcellulose Acetate Succinate (HPMCAS) in the development of ASDs has grown significantly, as evidenced by the fact that majority of commercially approved ASD formulations are based on HPMCAS. HPMCAS has been widely utilized as a solubility enhancer and precipitation inhibitor or stabilizer to achieve supersaturation and inhibit crystallization of drugs in the gastrointestinal tract. The characteristics of HPMCAS ASDs such as less hygroscopic, strong drug-polymer hydrophobic interactions, high solubilization efficiency, greater potential to generate, maintain drug supersaturation and crystallization inhibition outperform other polymeric carriers in ASD development. Furthermore, combining HPMCAS with other polymers or surfactants as ternary ASDs could be a viable approach for enhancing oral absorption of poorly soluble drugs. This review discusses the concepts of supersaturation maintenance or precipitation inhibition of HPMCAS in the ASD formulations. In addition, the mechanisms underlying for improved dissolution performance, oral bioavailability and stability of HPMCAS ASDs are explored.
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Affiliation(s)
- Arun Butreddy
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA.
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7
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Jung M, Jin M, Jeon WJ, Lee H, Kim H, Won JH, Yoo H, Bai HW, Han SC, Suh H, Kang KU, Lee HK, Cho CW. Development of a long-acting tablet with ticagrelor high-loaded nanostructured lipid carriers. Drug Deliv Transl Res 2022; 13:1212-1227. [PMID: 35794353 DOI: 10.1007/s13346-022-01205-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2022] [Indexed: 11/25/2022]
Abstract
Ticagrelor (TCG), an antiplatelet agent, has low solubility and permeability; thus, there are many trials to apply the pharmaceutical technology for the enhancement of TCG solubility and permeability. Herein, we have developed the TCG high-loaded nanostructured lipid carrier (HL-NLC) and solidified the HL-NLC to develop the oral tablet. The HL-NLC was successfully fabricated and optimized with a particle size of 164.5 nm, a PDI of 0.199, an encapsulation efficiency of 98.5%, and a drug loading of 16.4%. For the solidification of HL-NLC (S-HL-NLC), the adsorbent was determined based on the physical properties of the S-HL-NLC, such as bulk density, tap density, angle of repose, Hausner ratio, Carr's index, and drug content. Florite R was chosen because of its excellent adsorption capacity, excellent physical properties, and solubility of the powder after manufacturing. Using an S-HL-NLC, the S-HL-NLC tablet with HPMC 4 K was prepared, which is showed a released extent of more than 90% at 24 h. Thus, we have developed the sustained release tablet containing the TCG-loaded HL-NLC. Moreover, the formulations have exhibited no cytotoxicity against Caco-2 cells and improved the cellular uptake of TCG. In pharmacokinetic study, compared with raw TCG, the bioavailability of HL-NLC and S-HL-NLC was increased by 293% and 323%, respectively. In conclusion, we successfully developed the TCG high-loaded NLC tablet, that exhibited a sustained release profile and enhanced oral bioavailability.
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Affiliation(s)
- Minwoo Jung
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Minki Jin
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Woo-Jin Jeon
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - HaeSoo Lee
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Haeun Kim
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Jong-Hee Won
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Hyelim Yoo
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea
| | - Hyoung-Woo Bai
- Center for Companion Animal New Drug Development, Jeonbuk Branch, Institute of Toxicology (KIT), Jeollabuk-do, Jeongeup, 53212, South Korea.,Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Su-Cheol Han
- Center for Companion Animal New Drug Development, Jeonbuk Branch, Institute of Toxicology (KIT), Jeollabuk-do, Jeongeup, 53212, South Korea
| | - Hearan Suh
- Postera Health Science Inc, Han River Misa 1st at Hyundai Knowledge Industry Center 550, Misa-daero, Hanam-si, 1005, Gyeonggi-do, South Korea
| | - Kyoung Un Kang
- Postera Health Science Inc, Han River Misa 1st at Hyundai Knowledge Industry Center 550, Misa-daero, Hanam-si, 1005, Gyeonggi-do, South Korea
| | - Hong-Ki Lee
- Center for Companion Animal New Drug Development, Jeonbuk Branch, Institute of Toxicology (KIT), Jeollabuk-do, Jeongeup, 53212, South Korea.
| | - Cheong-Weon Cho
- College of Pharmacy, Chungnam National University, 99, Daehak-ro, Daejeon, 34134, South Korea.
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Tijani AO, Garg J, Frempong D, Verana G, Kaur J, Joga R, Sabanis CD, Kumar S, Kumar N, Puri A. Sustained drug delivery strategies for treatment of common substance use disorders: Promises and challenges. J Control Release 2022; 348:970-1003. [PMID: 35752256 DOI: 10.1016/j.jconrel.2022.06.034] [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: 04/06/2022] [Revised: 06/16/2022] [Accepted: 06/19/2022] [Indexed: 10/17/2022]
Abstract
Substance use disorders (SUDs) are a leading cause of death and other ill health effects in the United States and other countries in the world. Several approaches ranging from detoxification, behavioral therapy, and the use of antagonists or drugs with counter effects are currently being applied for its management. Amongst these, drug therapy is the mainstay for some drug abuse incidences, as is in place specifically for opioid abuse or alcohol dependence. The severity of the havocs observed with the SUDs has triggered constant interest in the discovery and development of novel medications as well as suitable or most appropriate methods for the delivery of these agents. The chronic need of such drugs in users warrants the need for their prolonged or sustained systemic availability. Further, the need to improve patient tolerance to medication, limit invasive drug use and overall treatment outcome are pertinent considerations for embracing sustained release designs for medications used in managing SUDs. This review aims to provide an overview on up-to-date advances made with regards to sustained delivery systems for the drugs for treatment of different types of SUDs such as opioid, alcohol, tobacco, cocaine, and cannabis use disorders. The clinical relevance, promises and the limitations of deployed sustained release approaches along with future opportunities are discussed.
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Affiliation(s)
- Akeemat O Tijani
- Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN 37614, USA.
| | - Jivesh Garg
- University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh 160014, India
| | - Dorcas Frempong
- Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN 37614, USA.
| | - Gabrielle Verana
- Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN 37614, USA.
| | - Jagroop Kaur
- Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN 37614, USA.
| | - Ramesh Joga
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, Telangana, India.
| | - Chetan D Sabanis
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, Telangana, India.
| | - Sandeep Kumar
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, Telangana, India.
| | - Neeraj Kumar
- Department of Regulatory Affairs, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500 037, Telangana, India.
| | - Ashana Puri
- Department of Pharmaceutical Sciences, Bill Gatton College of Pharmacy, East Tennessee State University, Johnson City, TN 37614, USA.
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Kapourani A, Chatzitheodoridou M, Valkanioti V, Manioudaki AE, Bikiaris ND, Barmpalexis P. Evaluating the effect of kosmotropic inorganic salts in the in vitro dissolution behavior of tablets containing amorphous indomethacin-polyvinylpyrrolidone solid dispersions. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Zhang Q, Durig T, Blass B, Fassihi R. Development of an amorphous based sustained release system for apremilast a selective phosphodiesterase 4 (PDE4) inhibitor. Int J Pharm 2022; 615:121516. [DOI: 10.1016/j.ijpharm.2022.121516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 10/19/2022]
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11
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Lugtu-Pe JA, Lin BY, Chen K, Ghaffari A, Kane A, Wu XY. Tailoring Release Profiles of BCS Class II Drugs Using Controlled Release Amorphous Solid Dispersion Beads with Membrane-Reservoir Design: Effect of Pore Former and Coating Levels. Mol Pharm 2021; 18:4198-4209. [PMID: 34668379 DOI: 10.1021/acs.molpharmaceut.1c00623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Poor aqueous solubility is a major limiting factor during the development of BCS Class II drug candidates in a solid oral dosage form. Conventional amorphous solid dispersion (ASD) systems focus on maximizing the rate and extent of release by employing water-soluble polymeric crystallization inhibitors; however, they often encounter rapid supersaturation and solution-mediated phase transformation (SMPT). Therefore, in this work, a controlled release membrane was introduced onto ASD beads to mitigate the SMPT problem. A membrane-reservoir controlled release amorphous solid dispersion (CRASD) bead system was designed, and the effects of the coating thickness and pore former content on drug release profiles were investigated. CRASD beads were manufactured by spray-coating polyvinyl acetate with polyvinylpyrollidone (PVP) as a pore former onto sugar bead substrates layered with the ASD reservoir of celecoxib and PVP. Raising the pore former content and/or lowering the coating level imparted higher release rates and supersaturation levels. The extent of release, measured by the area under the curve, was greatest when an optimal balance between the release rate and peak concentration could be established, corresponding to a high pore former/high coating level combination. Attributed to a thicker membrane structure with a higher pore former, rapid initial release could be achieved, yet controlled gradually for several hours, avoiding the critical threshold where the onset of SMPT predominates. The greater membrane capacity to transiently immobilize drug molecules (i.e., preserve amorphicity) and gradually release drug over a prolonged duration may be key to balancing supersaturation on both sides of the membrane; hence coating variables should be tactfully selected to exploit this benefit.
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Affiliation(s)
- Jamie Anne Lugtu-Pe
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Bing Ying Lin
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Kuan Chen
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Alireza Ghaffari
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
| | - Anil Kane
- Thermo Fisher Scientific, Mississauga, Ontario L5N 7K9, Canada
| | - Xiao Yu Wu
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario M5S 3M2, Canada
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12
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Kapourani A, Andriotis EG, Chachlioutaki K, Kontogiannopoulos KN, Klonos PA, Kyritsis A, Pavlidou E, Bikiaris DN, Fatouros DG, Barmpalexis P. High-Drug-Loading Amorphous Solid Dispersions via In Situ Thermal Cross-Linking: Unraveling the Mechanisms of Stabilization. Mol Pharm 2021; 18:4393-4414. [PMID: 34699238 DOI: 10.1021/acs.molpharmaceut.1c00563] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This article takes a step forward in understanding the mechanisms involved during the preparation and performance of cross-linked high-drug-loading (HDL) amorphous solid dispersions (ASDs). Specifically, ASDs, having 90 wt % poorly water-soluble drug indomethacin (IND), were prepared via in situ thermal cross-linking of poly(acrylic acid) (PAA) and poly(vinyl alcohol) (PVA) and thoroughly evaluated in terms of physical stability and in vitro supersaturation. Results showed that HDL ASDs having excellent active pharmaceutical ingredient (API) amorphous stability and prolonged in vitro supersaturation were prepared by fine tuning the cross-linking procedure. Unraveling of the processes involved during ASD's formation shed light on the significant role of the cross-linking conditions (i.e., temperature and time), the physicochemical properties of the API, and the hydrolysis level of the cross-linker as key factors in modulating ASD's stability. In-depth analysis of the prepared systems revealed the (1) reduction of API's molecular motions within the cross-linked polymeric networks (through API's strong spatial confinement), (2) the structural changes in the prepared cross-linked matrices (induced by the high API drug loading), and (3) the tuning of the cross-linking density via utilization of low-hydrolyzed PVA as the major mechanisms responsible for ASD's exceptional performance. Complementary analysis by means of molecular dynamics simulations also highlighted the vital role of strong drug-polymer intermolecular interactions evolving among the ASD components. Overall, the impression of the complexity of in situ cross-linked ASDs has been reinforced with the excessive variation of parameters investigated in the current study, offering thus insights up to the submolecular level to lay the groundwork and foundations for the comprehensive assessment of a new emerging class of HDL amorphous API formulations.
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Affiliation(s)
- Afroditi Kapourani
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Eleftherios G Andriotis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Konstantina Chachlioutaki
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Konstantinos N Kontogiannopoulos
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.,Natural Products Research Centre of Excellence-AUTH (NatPro-AUTH), Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Thessaloniki 57001, Greece
| | - Panagiotis A Klonos
- Department of Physics, National Technical University of Athens, Zografou Campus, Athens 15780, Greece
| | - Apostolos Kyritsis
- Department of Physics, National Technical University of Athens, Zografou Campus, Athens 15780, Greece
| | - Eleni Pavlidou
- Solid State Section, Physics Department, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Dimitrios N Bikiaris
- Department of Chemistry, Laboratory of Polymer Chemistry and Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Dimitrios G Fatouros
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Panagiotis Barmpalexis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.,Natural Products Research Centre of Excellence-AUTH (NatPro-AUTH), Center for Interdisciplinary Research and Innovation (CIRI-AUTH), Thessaloniki 57001, Greece
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13
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Tsiaxerli A, Karagianni A, Ouranidis A, Kachrimanis K. Polyelectrolyte Matrices in the Modulation of Intermolecular Electrostatic Interactions for Amorphous Solid Dispersions: A Comprehensive Review. Pharmaceutics 2021; 13:pharmaceutics13091467. [PMID: 34575543 PMCID: PMC8468962 DOI: 10.3390/pharmaceutics13091467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/04/2021] [Accepted: 09/09/2021] [Indexed: 12/05/2022] Open
Abstract
Polyelectrolyte polymers have been widely used in the pharmaceutical field as excipients to facilitate various drug delivery systems. Polyelectrolytes have been used to modulate the electrostatic environment and enhance favorable interactions between the drug and the polymer in amorphous solid dispersions (ASDs) prepared mainly by hot-melt extrusion. Polyelectrolytes have been used alone, or in combination with nonionic polymers as interpolyelectrolyte complexes, or after the addition of small molecular additives. They were found to enhance physical stability by favoring stabilizing intermolecular interactions, as well as to exert an antiplasticizing effect. Moreover, they not only enhance drug dissolution, but they have also been used for maintaining supersaturation, especially in the case of weakly basic drugs that tend to precipitate in the intestine. Additional uses include controlled and/or targeted drug release with enhanced physical stability and ease of preparation via novel continuous processes. Polyelectrolyte matrices, used along with scalable manufacturing methods in accordance with green chemistry principles, emerge as an attractive viable alternative for the preparation of ASDs with improved physical stability and biopharmaceutic performance.
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Affiliation(s)
- Anastasia Tsiaxerli
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (A.T.); (A.K.); (A.O.)
| | - Anna Karagianni
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (A.T.); (A.K.); (A.O.)
| | - Andreas Ouranidis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (A.T.); (A.K.); (A.O.)
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Kyriakos Kachrimanis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (A.T.); (A.K.); (A.O.)
- Correspondence: ; Tel.: +30-2310-997666
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14
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Spray drying encapsulation of CD-MOF nanocrystals into Eudragit® RS microspheres for sustained drug delivery. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102593] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Butreddy A, Sarabu S, Bandari S, Batra A, Lawal K, Chen NN, Bi V, Durig T, Repka MA. Influence of Plasdone ™ S630 Ultra-an Improved Copovidone on the Processability and Oxidative Degradation of Quetiapine Fumarate Amorphous Solid Dispersions Prepared via Hot-Melt Extrusion Technique. AAPS PharmSciTech 2021; 22:196. [PMID: 34184149 DOI: 10.1208/s12249-021-02069-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 06/07/2021] [Indexed: 12/20/2022] Open
Abstract
In a formulation, traces of peroxides in copovidone can impact the stability of drug substances that are prone to oxidation. The present study aimed to investigate the impact of peroxides in novel Plasdone™ S630 Ultra and compare it with regular Plasdone™ S630 on the oxidative degradation of quetiapine fumarate amorphous solid dispersions prepared via hot-melt extrusion technique. The miscibility of copovidones with drug was determined using the Hansen solubility parameter, and the results indicated a miscible drug-polymer system. Melt viscosity as a function of temperature was determined for the drug-polymer physical mixture to identify the suitable hot-melt extrusion processing temperature. The binary drug and polymer (30:70 weight ratio) amorphous solid dispersions were prepared at a processing temperature of 160°C. Differential scanning calorimetry and Fourier transform infrared spectroscopy studies of amorphous solid dispersions revealed the formation of a single-phase amorphous system with intermolecular hydrogen bonding between the drug and polymer. The milled extrudates were compressed into tablets by using extragranular components and evaluated for tabletability. Stability studies of the milled extrudates and tablet formulations were performed to monitor the oxidative degradation impurity (N-oxide). The N-oxide impurity levels in the quetiapine fumarate - Plasdone™ S630 Ultra milled extrudates and tablet formulations were reduced by 2- and 3-folds, respectively, compared to those in quetiapine fumarate - Plasdone™ S630. The reduced oxidative degradation and improved hot-melt extrusion processability of Plasdone™ S630 Ultra make it a better choice for oxidation-labile drugs over Plasdone™ S630 copovidone.
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16
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3D-printing of lopinavir printlets by selective laser sintering and quantification of crystalline fraction by XRPD-chemometric models. Int J Pharm 2021; 592:120059. [DOI: 10.1016/j.ijpharm.2020.120059] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 12/30/2022]
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17
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Bioavailability Improvement of Carbamazepine via Oral Administration of Modified-Release Amorphous Solid Dispersions in Rats. Pharmaceutics 2020; 12:pharmaceutics12111023. [PMID: 33114739 PMCID: PMC7693946 DOI: 10.3390/pharmaceutics12111023] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 11/17/2022] Open
Abstract
The purpose of this study was to improve the bioavailability of carbamazepine (CBZ), a poorly water-soluble antiepileptic drug, via modified-release amorphous solid dispersions (mr-ASD) by a thin film freezing (TFF) process. Three types of CBZ-mr-ASD with immediate-, delayed-, and controlled-release properties were successfully prepared with HPMC E3 (hydrophilic), L100-55 (enteric), and cellulose acetate (CA, lipophilic), defined as CBZ-ir-ASD, CBZ-dr-ASD, and CBZ-cr-ASD, respectively. A dry granulation method was used to prepare CBZ-mr-ASD capsule formulations. Various characterization techniques were applied to evaluate the physicochemical properties of CBZ-mr-ASD and the related capsules. The drug remained in an amorphous state when encapsulated within CBZ-mr-ASD, and the capsule formulation progress did not affect the performance of the dispersions. In dissolution tests, the preparations and the corresponding dosage forms similarly showed typical immediate-, delayed-, and controlled-release properties depending on the solubility of the polymers. Moreover, single-dose 24 h pharmacokinetic studies in rats indicated that CBZ-mr-ASD significantly enhanced the oral absorption of CBZ compared to that of crude CBZ. Increased oral absorption of CBZ was observed, especially in the CBZ-dr-ASD formulation, which showed a better pharmacokinetic profile than that of crude CBZ with 2.63- and 3.17-fold improved bioavailability of the drug and its main active metabolite carbamazepine 10,11-epoxide (CBZ-E).
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18
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One-step preparation of sustained-release ASDs using mesoporous spherical silica. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101553] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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19
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Formation, characterization and properties of resveratrol-dietary fiber composites: Release behavior, bioaccessibility and long-term storage stability. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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20
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Tekade AR, Yadav JN. A Review on Solid Dispersion and Carriers Used Therein for Solubility Enhancement of Poorly Water Soluble Drugs. Adv Pharm Bull 2020; 10:359-369. [PMID: 32665894 PMCID: PMC7335980 DOI: 10.34172/apb.2020.044] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 12/26/2019] [Accepted: 01/23/2020] [Indexed: 01/23/2023] Open
Abstract
A large number of hydrophilic and hydrophobic carriers in pharmaceutical excipients are available today which are used for formulation of solid dispersions. Depending on nature of carriers the immediate release solid dispersions and/or controlled release solid dispersions can be formulated. Initially crystalline carriers were used which are transformed into amorphous solid dispersions with enhanced properties. The carriers used previously were mostly synthetic one. Recent trend towards the use of natural carriers have replaced the use of synthetic carriers. This review is the overview of various synthetic, natural, semisynthetic, modified natural hydrophilic carriers used for formulation of solid dispersions.
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Affiliation(s)
- Avinash Ramrao Tekade
- Department of Pharmaceutics, Marathwada Mitra Mandal's College of Pharmacy, Thergaon, Pune, Maharashtra- 411033, India
| | - Jyoti Narayan Yadav
- Department of Pharmaceutics, Marathwada Mitra Mandal's College of Pharmacy, Thergaon, Pune, Maharashtra- 411033, India
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21
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Liu X, Lu X, Su Y, Kun E, Zhang F. Clay-Polymer Nanocomposites Prepared by Reactive Melt Extrusion for Sustained Drug Release. Pharmaceutics 2020; 12:E51. [PMID: 31936176 PMCID: PMC7022276 DOI: 10.3390/pharmaceutics12010051] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 12/26/2019] [Accepted: 01/03/2020] [Indexed: 12/21/2022] Open
Abstract
Abstract: Clay-polymer nanocomposites have exhibited a great potential as carriers for controlled release drug delivery. This study aims to prepare exfoliated montmorillonite-Eudragit RS nanocomposites using reactive melt extrusion and investigate the influence of claying loading, clay types (sodium montmorillonite (Cloisite Na) vs. organomodified montmorillonite (Cloisite 20)) on clay-polymer interactions and drug release properties. The clays were used as the filler material at various levels in Eudragit RS and theophylline was used as the active pharmaceutical ingredient. The resulting structure of the nanocomposites was characterized using TEM (transmission electron microscopy) and XRPD (X-ray powder diffraction). The hygroscopicity of the nanocomposites was investigated using DVS (dynamic vapor sorption). The effect of the interfacial interaction between the polymer and clay sheet, the clay loading as well as the clay type on the drug release behavior were further studied by dissolution testing. TEM and XRPD data show that when the clay content is increased from 5% to 15% by weight, the nanocomposite's structure switches from a fully exfoliated state to intercalated structures or partial exfoliation with stacked clay layers. FT-IR (fourier transform infrared spectroscopy) and ssNMR (solid-state NMR) results suggest that Cloisite Na and Cloisite 20 layers exhibit different interaction strengths with polymer networks by creating compacted complex structures. The addition of nanoclay in the formulation could robustly adjust drug release profiles, and the clay concentration and type are important factors that affect the crossing-linking density of the nanocomposites by adjusting the drug release properties. This study indicates that the clay-Eudragit RS nanocomposites provide an improved oral controlled drug delivery system that minimizes the drug dosing frequency, potentially leading to improved patient compliance.
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Affiliation(s)
- Xu Liu
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
| | - Xingyu Lu
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, USA;
| | - Yongchao Su
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
- Pharmaceutical Sciences, Merck & Co., Inc., Kenilworth, NJ 07033, USA;
| | - Eucharist Kun
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
| | - Feng Zhang
- College of Pharmacy, the University of Texas at Austin, 2409 University Avenue, A1920, Austin, TX 78712, USA; (X.L.); (Y.S.); (E.K.)
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22
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Teoh XY, Bt Mahyuddin FN, Ahmad W, Chan SY. Formulation strategy of nitrofurantoin: co-crystal or solid dispersion? Pharm Dev Technol 2019; 25:245-251. [PMID: 31690150 DOI: 10.1080/10837450.2019.1689401] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Poor solubility and bioavailability of drugs are often affected by its microscopic structural properties. Nitrofurantoin (NF), a Biopharmaceutics Classification System class II item, has a low water solubility with low plasma concentrations. To improve its therapeutic efficacy, formulation strategy of solid dispersion (SD) and co-crystallization are compared herein. The co-crystal is prepared with citric acid in 1:1 stoichiometric ratio while SD consists of 30% w/w nitrofurantoin and 70% w/w hydroxypropyl methylcellulose (HPMC) as the carrier system. As a control, the physical mixture of NF and HPMC was prepared. All the preparations were characterized with differential scanning calorimetry (DSC), attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), microscopy analysis, solubility, and dissolution studies. The formation of co-crystal, solvent evaporated, and spray-dried SD are confirmed by the ATR-FTIR where peaks shifting of several functional groups indicate the formation of the hydrogen bond. Dissolution studies showed a greater initial dissolution rate in co-crystal than SD despite the possible presence of amorphous content in the SD system. Overall, co-crystal is concluded to be a better approach than SD for an effective dissolution.
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Affiliation(s)
- Xin-Yi Teoh
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | | | - Waqas Ahmad
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Siok-Yee Chan
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
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23
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Harnessing the therapeutic potential of anticancer drugs through amorphous solid dispersions. Biochim Biophys Acta Rev Cancer 2019; 1873:188319. [PMID: 31678141 DOI: 10.1016/j.bbcan.2019.188319] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/28/2019] [Accepted: 10/28/2019] [Indexed: 12/19/2022]
Abstract
The treatment of cancer is still a major challenge. But tremendous progress in anticancer drug discovery and development has occurred in the last few decades. However, this progress has resulted in few effective oncology products due to challenges associated with anticancer drug delivery. Oral administration is the most preferred route for anticancer drug delivery, but the majority of anticancer drugs currently in product pipelines and the majority of those that have been commercially approved have inherently poor water solubility, and this cannot be mitigated without compromising their potency and stability. The poor water solubility of anticancer drugs, in conjunction with other factors, leads to suboptimal pharmacokinetic performance. Thus, these drugs have limited efficacy and safety when administered orally. The amorphous solid dispersion (ASD) is a promising formulation technology that primarily enhances the aqueous solubility of poorly water-soluble drugs. In this review, we discuss the challenges associated with the oral administration of anticancer drugs and the use of ASD technology in alleviating these challenges. We emphasize the ability of ASDs to improve not only the pharmacokinetics of poorly water-soluble anticancer drugs, but also their efficacy and safety. The goal of this paper is to rationalize the application of ASD technology in the formulation of anticancer drugs, thereby creating superior oncology products that lead to improved therapeutic outcomes.
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24
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Uziel A, Shpigel T, Goldin N, Lewitus DY. Three-dimensional printing for drug delivery devices: a state-of-the-art survey. ACTA ACUST UNITED AC 2019. [DOI: 10.2217/3dp-2018-0023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Over the last several decades, 3D printing technology, which encompasses many different fabrication techniques, had emerged as a promising tool in many fields of production, including the pharmaceutical industry. Specifically, 3D printing may be advantageous for drug delivery systems, systems aiming to improve the pharmacokinetics of drugs. These advantages include the ease of designing complex shapes, printing of drugs on demand, tailoring dosage to the specific needs of the patient and enhancing the bioavailability of drugs. This paper reviews the most recent advancements in this field, presenting both the abilities and limitations of several promising 3D printing methods.
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Affiliation(s)
- Almog Uziel
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Tal Shpigel
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Nir Goldin
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
| | - Dan Y Lewitus
- Department of Plastics & Polymer Engineering, Shenkar – Engineering. Design. Art, 12 Anne Frank St, Ramat Gan, 5252626, Israel
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25
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Modica de Mohac L, Keating AV, de Fátima Pina M, Raimi-Abraham BT. Engineering of Nanofibrous Amorphous and Crystalline Solid Dispersions for Oral Drug Delivery. Pharmaceutics 2018; 11:E7. [PMID: 30586871 PMCID: PMC6359107 DOI: 10.3390/pharmaceutics11010007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 10/12/2018] [Accepted: 10/19/2018] [Indexed: 02/07/2023] Open
Abstract
Poor aqueous solubility (<0.1 mg/mL) affects a significant number of drugs currently on the market or under development. Several formulation strategies including salt formation, particle size reduction, and solid dispersion approaches have been employed with varied success. In this review, we focus primarily on the emerging trends in the generation of amorphous and micro/nano-crystalline solid dispersions using electrospinning to improve the dissolution rate and in turn the bioavailability of poorly water-soluble drugs. Electrospinning is a simple but versatile process that utilizes electrostatic forces to generate polymeric fibers and has been used for over 100 years to generate synthetic fibers. We discuss the various electrospinning studies and spinneret types that have been used to generate amorphous and crystalline solid dispersions.
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Affiliation(s)
- Laura Modica de Mohac
- DIBIMIS Department, University of Study of Palermo, 90128 Palermo, Italy.
- Drug Delivery Group, Institute of Pharmaceutical Science Faculty of Life Sciences and Medicine, King's College London, London SE1 9NH, UK.
| | - Alison Veronica Keating
- Drug Delivery Group, Institute of Pharmaceutical Science Faculty of Life Sciences and Medicine, King's College London, London SE1 9NH, UK.
| | - Maria de Fátima Pina
- Department of Pharmaceutics, University College London School of Pharmacy, London WC1N 1AX, UK.
| | - Bahijja Tolulope Raimi-Abraham
- Drug Delivery Group, Institute of Pharmaceutical Science Faculty of Life Sciences and Medicine, King's College London, London SE1 9NH, UK.
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