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Han J, Tang M, Yang Y, Sun W, Yue Z, Zhang Y, Zhu Y, Liu X, Wang J. Amorphous solid dispersions: Stability mechanism, design strategy and key production technique of hot melt extrusion. Int J Pharm 2023; 646:123490. [PMID: 37805146 DOI: 10.1016/j.ijpharm.2023.123490] [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: 07/27/2023] [Revised: 10/02/2023] [Accepted: 10/04/2023] [Indexed: 10/09/2023]
Abstract
Solid dispersion (SD) system has been used as an effective formulation strategy to increase in vitro and in vivo performances of poorly water-soluble drugs, such as solubility/dissolution, stability and bioavailability. This review provides a comprehensive SD classification and identifies the most popular amorphous solid dispersions (ASDs). Meanwhile, this review further puts forward the systematic design strategy of satisfactory ASDs in terms of drug properties, carrier selection, preparation methods and stabilization mechanisms. In addition, hot melt extrusion (HME) as the continuous manufacturing technique is described including the principle and structure of HME instrument, key process parameters and production application, in order to guide the scale-up of ASDs and develop more ASD products to the market in pharmaceutical industry.
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Affiliation(s)
- Jiawei Han
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China; Changzhou Pharmaceutical Factory Co., LTD, Changzhou 213018, PR China; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China
| | - Mengyuan Tang
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China
| | - Yang Yang
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China
| | - Wen Sun
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China
| | - Zhimin Yue
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China
| | - Yunran Zhang
- Changzhou Pharmaceutical Factory Co., LTD, Changzhou 213018, PR China
| | - Yijun Zhu
- Changzhou Pharmaceutical Factory Co., LTD, Changzhou 213018, PR China
| | - Xiaoqian Liu
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China.
| | - Jue Wang
- School of Pharmacy & School of Biological and Food Engineering, Changzhou University, Changzhou 213164, PR China; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
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2
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Poka MS, Milne M, Wessels A, Aucamp M. Sugars and Polyols of Natural Origin as Carriers for Solubility and Dissolution Enhancement. Pharmaceutics 2023; 15:2557. [PMID: 38004536 PMCID: PMC10675835 DOI: 10.3390/pharmaceutics15112557] [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: 10/03/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Crystalline carriers such as dextrose, sucrose, galactose, mannitol, sorbitol, and isomalt have been reported to increase the solubility, and dissolution rates of poorly soluble drugs when employed as carriers in solid dispersions (SDs). However, synthetic polymers dominate the preparation of drugs: excipient SDs have been created in recent years, but these polymer-based SDs exhibit the major drawback of recrystallisation upon storage. Also, the use of high-molecular-weight polymers with increased chain lengths brings forth problems such as increased viscosity and unnecessary bulkiness in the resulting dosage form. An ideal SD carrier should be hydrophilic, non-hygroscopic, have high hydrogen-bonding propensity, have a high glass transition temperature (Tg), and be safe to use. This review discusses sugars and polyols as suitable carriers for SDs, as they possess several ideal characteristics. Recently, the use of low-molecular-weight excipients has gained much interest in developing SDs. However, there are limited options available for safe, low molecular excipients, which opens the door again for sugars and polyols. The major points of this review focus on the successes and failures of employing sugars and polyols in the preparation of SDs in the past, recent advances, and potential future applications for the solubility enhancement of poorly water-soluble drugs.
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Affiliation(s)
- Madan Sai Poka
- Department of Pharmaceutical Sciences, School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Pretoria 0208, South Africa;
| | - Marnus Milne
- Department of Pharmaceutical Sciences, School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Pretoria 0208, South Africa;
| | - Anita Wessels
- Centre of Excellence for Pharmaceutical Sciences (Pharmacen), North-West University, Hoffman Street, Potchefstroom 2520, South Africa;
| | - Marique Aucamp
- School of Pharmacy, University of the Western Cape, Robert Sobukwe Drive, Cape Town 7130, South Africa
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Formation and Physico-Chemical Evaluation of Nifedipine-hydroxypropyl-β-cyclodextrin and Nifedipine-methyl-β-cyclodextrin: The Development of Orodispersible Tablets. Pharmaceuticals (Basel) 2022; 15:ph15080993. [PMID: 36015141 PMCID: PMC9415292 DOI: 10.3390/ph15080993] [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: 07/28/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/17/2022] Open
Abstract
The novelty in this study is the development of new orodispersible tablets containing nifedipine (NIF) as the active ingredient. Initially, the formation of inclusion complexes between nifedipine and two derivatives of beta-cyclodextrin, namely, hydroxypropyl-β-cyclodextrin (HP-β-CD) and methyl-β-cyclodextrin (Me-β-CD), was established. Inclusion complexes of nifedipine were prepared by different procedures: kneading, coprecipitation and lyophilization methods, using a 1:1 molar ratio among the drug and cyclodextrin compounds. A physical mixture was also developed for comparison, with the same molar ratio. The physicochemical and structural properties of these obtained complexes were subsequently analysed using Fourier-transform infrared spectroscopy, scanning electron microscopy, differential scanning calorimetry and X-ray diffraction techniques. The lyophilization method of preparation leads to obtaining the complete inclusion of nifedipine in the used cyclodextrin cavity, for both the derivative cyclodextrins. After that, preformulation studies and manufacturing of orodispersible tablets containing NIF-HP-β-CD and NIF-Me-β-CD, respectively, inclusion complexes were advanced. The obtained findings show that only F3 (which contains NIF-HP-β-CD) and F6 (which contains NIF-Me-β-CD) have a suitable flowability for the direct compression materials.
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Chaudhari PM, Johnson P, Mhetre RL, Al-Achi A. Nanonization-Based Solubility Enhancement by Loaded Porous Starch Foam: Nifedipine Tablet Formulation. J Pharm Innov 2022. [DOI: 10.1007/s12247-022-09622-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Maturavongsadit P, Paravyan G, Kovarova M, Garcia JV, Benhabbour SR. A new engineering process of biodegradable polymeric solid implants for ultra-long-acting drug delivery. Int J Pharm X 2021; 3:100068. [PMID: 33392498 PMCID: PMC7773589 DOI: 10.1016/j.ijpx.2020.100068] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
We present a long-acting (LA) biodegradable polymeric solid implant (PSI) fabricated using a new process combining in-situ phase inversion and compression. This robust process allows fabrication of solid implants that can have different shapes and sizes, accommodate high drug payloads, and provide sustained drug release over several months. Herein the integrase inhibitor dolutegravir (DTG) was used to develop PSIs for HIV prevention. PSIs were fabricated using a three-step process by (a) phase inversion of DTG-loaded polymer solution to form an initial in-situ forming implant in an aqueous solution, (b) micronization of dried DTG-loaded solid implants, and (c) compression of the micronized DTG-loaded solid implants to form the PSI. High drug loading (up to 85 wt%) was achieved in the PSIs. DTG exhibited minimum burst release in the first 24 h (<6%) and sustained release kinetics over 6 months. The release kinetics of DTG can be fine-tuned by varying drug-loading concentration, the ratio of polymer (poly(lactic-co-glycolic acid), PLGA) to solvent (N-methyl-2-pyrrolidone, NMP) and polymer (PLGA) molecular weight in the precursor solution. The physical/chemical properties of DTG were retained post-storage under accelerated storage conditions (40 °C/75% relative humidity) for 6 months. The versatility of this technology makes it an attractive drug delivery platform for HIV prevention applications.
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Affiliation(s)
- Panita Maturavongsadit
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Gayane Paravyan
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Martina Kovarova
- International Center for the Advancement of Translational Science, USA
- Division of Infectious Diseases, Center for Aids Research, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - J. Victor Garcia
- International Center for the Advancement of Translational Science, USA
- Division of Infectious Diseases, Center for Aids Research, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - S. Rahima Benhabbour
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Maturavongsadit P, Shrivastava R, Sykes C, Cottrell ML, Montgomery SA, Kashuba ADM, Rahima Benhabbour S. Biodegradable polymeric solid implants for ultra-long-acting delivery of single or multiple antiretroviral drugs. Int J Pharm 2021; 605:120844. [PMID: 34216767 DOI: 10.1016/j.ijpharm.2021.120844] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/10/2021] [Accepted: 06/27/2021] [Indexed: 12/12/2022]
Abstract
Lack of adherence is a key barrier to a successful human immunodeficiency virus (HIV) treatment and prevention. We report on an ultra-long-acting (ULA) biodegradable polymeric solid implant (PSI) that can accommodate one or more antiretrovirals (e.g., dolutegravir (DTG) and rilpivirine (RPV)) at translatable human doses (65% wt.) in a single implant. PSIs are fabricated using a three-step process: (a) phase inversion of a drug/polymer solution to form an initial in-situ forming solid implant, (b) micronization of dried drug-loaded solid implants, and (c) compression of the micronized drug-loaded solid powder to generate the PSI. DTG and RPV can be pre-combined in a single PLGA-based solution to make dual-drug PSI; or formulated individually in PLGA-based solutions to generate separate micronized powders and form a bilayer dual-drug PSI. Results showed that in a single or bilayer dual-drug PSI, DTG and RPV exhibited physicochemical properties similar to their pure drug analogues. PSIs were well tolerated in vivo and effectively delivered drug(s) over 180 days with concentrations above 4× PA-IC90 after a single subcutaneous administration. While biodegradable and do not require removal, these PSIs can safely be removed to terminate the treatment if required. The versatility of this technology makes it attractive as an ULA drug delivery platform for HIV and various therapeutic applications.
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Affiliation(s)
- Panita Maturavongsadit
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Roopali Shrivastava
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Craig Sykes
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Mackenzie L Cottrell
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | | | - Angela D M Kashuba
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - S Rahima Benhabbour
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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The Development and Optimization of Hot-Melt Extruded Amorphous Solid Dispersions Containing Rivaroxaban in Combination with Polymers. Pharmaceutics 2021; 13:pharmaceutics13030344. [PMID: 33800741 PMCID: PMC8001048 DOI: 10.3390/pharmaceutics13030344] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 12/29/2022] Open
Abstract
Rivaroxaban (RXB), a novel oral anticoagulant that directly inhibits factor Xa, is a poorly soluble drug belonging to Biopharmaceutics Classification System (BCS) class II. In this study, a hot-melt extruded amorphous solid dispersion (HME-ASD) containing RXB is prepared by changing the drug:polymer ratio (Polyvinylpyrrolidione-vinyl acetate 64, 1:1–1:4) and barrel temperature (200–240 °C), fixed at 20% of Cremophor® RH 40 and 15 rpm of the screw speed, using the hot-melt extruding technique. This study evaluates the solubility, dissolution behavior, and bioavailability for application to oral drug delivery and optimizes the formulation of rivaroxaban amorphous solid dispersion (RXB-ASD). Based on a central composite design, optimized RXB-ASD (PVP VA 64 ratio 1:4.1, barrel temperature 216.1 °C, Cremophor® RH 40 20%, screw speed 15 rpm) showed satisfactory results for dependent variables. An in vitro drug dissolution study exhibited relatively high dissolution in four media and achieved around an 80% cumulative drug release in 120 min. Optimized RXB-ASD was stable under the accelerated condition for three months without a change in crystallinity and the dissolution rate. A pharmacokinetic study of RXB-ASD in rats showed that the absorption was markedly increased in terms of rate and amount, i.e., the systemic exposure values, compared to raw RXB powder. These results showed the application of quality by design (QbD) in the formulation development of hot-melt extruded RXB-ASD, which can be used as an oral drug delivery system by increasing the dissolution rate and bioavailability.
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Mohamed JMM, Alqahtani A, Ahmad F, Krishnaraju V, Kalpana K. Stoichiometrically Governed Curcumin Solid Dispersion and Its Cytotoxic Evaluation on Colorectal Adenocarcinoma Cells. DRUG DESIGN DEVELOPMENT AND THERAPY 2020; 14:4639-4658. [PMID: 33173275 PMCID: PMC7648666 DOI: 10.2147/dddt.s273322] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 10/02/2020] [Indexed: 12/24/2022]
Abstract
Background Colorectal cancer (CRC) is the third most commonly occurring cancer in men and the second most commonly occurring cancer in women. Curcumin (CMN) is obtained from a natural source and has no toxicity, even at high doses (8,000 mg/kg body weight in 24 hours) and was determined to have anticancer potency on several kinds of carcinoma. However, its medical applications were limited because of its low solubility and poor bioavailability. Materials and Methods To improve the medical applications of CMN, various hydrophilic carriers such as poloxamer 407 (PMX-407), poloxamer 188 (PMX-188), Gelucire 50/13 (Gel-50/13), and mannitol (MNL) were used to prepare a binary complex solid dispersion (SD). These binary SDs were characterized for aqueous solubility in various solvents. Physical stability, thermal behaviors, and morphology were determined by Fourier transform infrared spectrophotometric analysis, powder X-ray diffraction analysis, thermogravimetric analysis, differential scanning calorimetric analysis, scanning electron microscopy, dynamic light scattering study, and the novel dyeing test. In vitro drug release was determined by dissolution study. Based on the characterization, the better SD complex was optimized using Box-Behnken design (BBD). The cytotoxicity and apoptosis study of prepared CMN (C-SD) were used to test for colorectal adenocarcinoma cell lines. Results These results showed that the solubility of CMN is greatly improved after complexation with PXM-407 in SD. CMN is practically insoluble in water at acidic and neutral pH; however, the SD of CMN with PXM-407 produced significant improvement in solubility (1.266±0.0242 mg/mL) and dissolution (91.36±0.431% at 30 minutes); similarly, these data fit with a phase solubility study and in silico molecular modeling. Moreover, the solid-state characterization revealed that the SD complex exhibits the intermolecular hydrogen bond with drug and carrier. Also, the complex does not undergo any chemical modification owing to the amorphous form, and the dye test showed better coloring impact indicating the solubility of CMN. The cell cycle arrest confirmed at G2/M phase from flow cytometry analysis, and Western blot investigation was recognized molecular level cell death and the complex induced more exploit DNA during apoptosis. Conclusion This study confirmed that the ideal stoichiometric ratio of CMN with carrier to enhance its solubility was 1:1. This molecular complex of PXM-407 was found to be more effective against colorectal cancer (CRC) than pure CMN.
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Affiliation(s)
- Jamal Moideen Muthu Mohamed
- Department of Pharmaceutical Technology, BIT Campus, Anna University, Tiruchirappalli, Tamil Nadu 620024, India
| | - Ali Alqahtani
- Department of Pharmacology, College of Pharmacy, King Khalid University, Guraiger, Abha 62529, Saudi Arabia
| | - Fazil Ahmad
- Department of Anesthesia Technology, College of Applied Medical Sciences in Jubail, Imam Abdulrahman Bin Faisal University, Jubail, Saudi Arabia
| | - V Krishnaraju
- Department of Pharmacology, College of Pharmacy, King Khalid University, Guraiger, Abha 62529, Saudi Arabia
| | - K Kalpana
- Department of Pharmaceutical Analysis, Erode College of Pharmacy, Veppampalayam, Erode, Tamil Nadu 638112, India
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Han J, Wei Y, Lu Y, Wang R, Zhang J, Gao Y, Qian S. Co-amorphous systems for the delivery of poorly water-soluble drugs: recent advances and an update. Expert Opin Drug Deliv 2020; 17:1411-1435. [DOI: 10.1080/17425247.2020.1796631] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jiawei Han
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yuanfeng Wei
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yan Lu
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Runze Wang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Jianjun Zhang
- School of Pharmacy, China Pharmaceutical University, Nanjing, P.R. China
| | - Yuan Gao
- School of Traditional Chinese 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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Lodagekar A, Chavan RB, Mannava MKC, Yadav B, Chella N, Nangia AK, Shastri NR. Co amorphous valsartan nifedipine system: Preparation, characterization, in vitro and in vivo evaluation. Eur J Pharm Sci 2019; 139:105048. [PMID: 31446077 DOI: 10.1016/j.ejps.2019.105048] [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: 05/05/2019] [Revised: 08/06/2019] [Accepted: 08/21/2019] [Indexed: 01/30/2023]
Abstract
Co amorphous systems are supersaturated drug delivery systems which offer a basic platform for delivery of multicomponent adducts (combination of more than one active pharmaceutical ingredient (API)) and/or as a fixed dose combination therapy, in addition to their potential to improve the apparent solubility, dissolution rate and ultimately bioavailability of poorly water soluble APIs. In the present work, a new drug-drug co amorphous system namely valsartan-nifedipine was prepared by quench cooling technique. Prepared co amorphous system was characterized for its solid state behavior with the help of Fourier Transform Infrared spectroscopy (FTIR), Differential Scanning Calorimetry (DSC) and Powder X Ray Diffractometry (PXRD). The optimized co amorphous system was stable for 1 month when exposed to accelerated stability condition (40 ± 2 °C and 75 ± 5% RH). The improved stability of amorphous nifedipine in co amorphous system was attributed to improved miscibility and intra and intermolecular non-covalent interactions mainly due to presence of hydrogen bonding between valsartan and nifedipine which was studied by FTIR analysis. Co amorphous systems were evaluated by mainly in vitro dissolution and in vivo benefit. In vitro dissolution study showed nearly 5.66 folds and 1.61 folds improvement which was translated to 3.63 and 2.19 times enhancement in vivo Cmax for nifedipine and valsartan respectively.
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Affiliation(s)
- Anurag Lodagekar
- Solid State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Rahul B Chavan
- Solid State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - M K Chaitanya Mannava
- School of Chemistry, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli Central University P.O, Hyderabad 500046, India
| | - Balvant Yadav
- Solid State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Naveen Chella
- Solid State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India
| | - Ashwini K Nangia
- School of Chemistry, University of Hyderabad, Prof. C. R. Rao Road, Gachibowli Central University P.O, Hyderabad 500046, India; CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411 008, India
| | - Nalini R Shastri
- Solid State Pharmaceutical Research Group (SSPRG), Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad 500037, India.
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Choi Y, Min KA, Kim CK. Development and evaluation of dexibuprofen formulation with fast onset and prolonged effect. Drug Dev Ind Pharm 2019; 45:895-904. [DOI: 10.1080/03639045.2019.1576720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Yoonho Choi
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Kyoung Ah Min
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Republic of Korea
| | - Chong-Kook Kim
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
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Haware RV, Vinjamuri BP, Gavireddi M, Dave VS, Gupta D, Chougule MB, Stagner WC. Physical properties and solubility studies of Nifedipine-PEG 1450/HPMCAS-HF solid dispersions. Pharm Dev Technol 2018; 24:550-559. [PMID: 30175691 DOI: 10.1080/10837450.2018.1519573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Low-order high-energy nifedipine (NIF) solid dispersions (SDs) were generated by melt solvent amorphization with polyethylene glycol (PEG) 1450 and hypromellose acetate succinate (HPMCAS-HF) to increase NIF solubility while achieving acceptable physical stability. HPMCAS-HF was used as a crystallization inhibitor. Individual formulation components, their physical mixtures (PMs), and SDs were characterized by differential scanning calorimetry, powder X-ray diffraction, and Fourier transform infrared spectroscopy (FTIR). NIF solubility and percent crystallinity (PC) were determined at the initial time and after 5 days stored at 25 °C and 60% RH. FTIR indicated that hydrogen bonding was involved with the amorphization process. FTIR showed that NIF:HPMCAS-HF intermolecular interactions were weaker than NIF:PEG 1450 interactions. NIF:PEG 1450 SD solubilities were significantly higher than their PM counterparts (p < 0.0001). The solubilities of NIF:PEG 1450:HPMCAS-HF SDs were significantly higher than their corresponding NIF:PEG 1450 SDs (p < 0.0001-0.043). All the SD solubilities showed a statistically significant decrease (p < 0.0001) after storage for 5 days. SDs PC were statistically lower than their comparable PMs (p < 0.0001). The PCs of SDs with HPMCAS-HF were significantly lower than SDs not containing only PEG 1450. All SDs exhibited a significant increase in PC (p < 0.0001-0.0089) on storage. Thermogravimetric analysis results showed that HPMCAS-HF bound water at higher temperatures than PEG 1450 (p < 0.0001-0.0039). HPMCAS-HF slowed the crystallization process of SDs, although it did not completely inhibit NIF crystal growth.
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Affiliation(s)
- Rahul V Haware
- a College of Pharmacy & Health Sciences , Campbell University , Buies Creek , NC , USA.,b Division of Pharmaceutical Sciences, Arnold and Marie Schwartz College of Pharmacy , Long Island University , Brooklyn , NY , USA
| | - Bhavani Prasad Vinjamuri
- a College of Pharmacy & Health Sciences , Campbell University , Buies Creek , NC , USA.,c Department of Pharmaceutics & Drug Delivery, School of Pharmacy , The University of Mississippi , Oxford , MS , USA
| | - Monika Gavireddi
- a College of Pharmacy & Health Sciences , Campbell University , Buies Creek , NC , USA.,d UPM Pharmaceuticals , Bristol , TN , USA
| | - Vivek S Dave
- e Department of Pharmaceutical Sciences, Wegmans School of Pharmacy , St. John Fisher College , Rochester , NY , USA
| | - Deepak Gupta
- f Center of Drug Delivery and Targeting, School of Pharmacy , LECOM , Bradenton , FL , USA
| | - Mahavir B Chougule
- c Department of Pharmaceutics & Drug Delivery, School of Pharmacy , The University of Mississippi , Oxford , MS , USA
| | - William C Stagner
- a College of Pharmacy & Health Sciences , Campbell University , Buies Creek , NC , USA
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Choi JS, Lee SE, Jang WS, Byeon JC, Park JS. Solid dispersion of dutasteride using the solvent evaporation method: Approaches to improve dissolution rate and oral bioavailability in rats. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:387-396. [DOI: 10.1016/j.msec.2018.04.074] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 04/02/2018] [Accepted: 04/25/2018] [Indexed: 12/13/2022]
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Martínez LM, Videa M, López Silva T, Castro S, Caballero A, Lara-Díaz VJ, Castorena-Torres F. Two-phase amorphous-amorphous solid drug dispersion with enhanced stability, solubility and bioavailability resulting from ultrasonic dispersion of an immiscible system. Eur J Pharm Biopharm 2017. [DOI: 10.1016/j.ejpb.2017.06.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Water-Soluble β-cyclodextrin Polymers as Drug Carriers to Improve Solubility, Thermal Stability and Controlled Release of Nifedipine. Pharm Chem J 2017. [DOI: 10.1007/s11094-017-1617-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Li YH, Qi YR, Wu ZF, Wang YQ, Wang XC, Wang F, Yang M. Comparative study of microwave-vacuum and vacuum drying on the drying characteristics, dissolution, physicochemical properties, and antioxidant capacity of Scutellaria extract powder. POWDER TECHNOL 2017. [DOI: 10.1016/j.powtec.2017.05.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Ebrahimi A, Saffari M, Langrish T. Improving the dissolution rate of hydrophobic drugs through encapsulation in porous lactose as a new biocompatible porous carrier. Int J Pharm 2017; 521:204-213. [PMID: 28232266 DOI: 10.1016/j.ijpharm.2017.02.052] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 02/01/2017] [Accepted: 02/19/2017] [Indexed: 11/28/2022]
Abstract
T he dissolution rates of indomethacin (IMC) and nifedipine (NIF) as poorly water-soluble model drugs have been significantly improved by encapsulating their molecules in the porous structure of engineered-particles of lactose as a new biocompatible porous carrier. The formulation method used in this study utilized a template-based spray-drying technique for in-situ production of porous lactose followed by two solvent-based drug-loading methods: (i) adsorption from organic solution, and (ii) incipient wetness impregnation to incorporate the drugs inside the porous lactose. In both cases, the results of DSC and XRD have revealed the deposition of nano-sized crystals of drugs inside the nanopores due to the nanoconfinement phenomenon. Greater extents of drug loadings have been achieved during the indomethacin adsorption due to the hydrogen-bonding interaction with the surface of lactose, as determined by FTIR spectroscopy. The in vitro release studies in simulated gastric fluid (SGF) have shown faster release rates for the impregnated particles compared with drug-loaded particles via the adsorption method.
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Affiliation(s)
- Amirali Ebrahimi
- Drying and Process Technology Group, School of Chemical & Biomolecular Engineering, Building J01, The University of Sydney, Darlington, NSW 2006, Australia.
| | - Morteza Saffari
- Drying and Process Technology Group, School of Chemical & Biomolecular Engineering, Building J01, The University of Sydney, Darlington, NSW 2006, Australia
| | - Timothy Langrish
- Drying and Process Technology Group, School of Chemical & Biomolecular Engineering, Building J01, The University of Sydney, Darlington, NSW 2006, Australia
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Van Duong T, Van den Mooter G. The role of the carrier in the formulation of pharmaceutical solid dispersions. Part I: crystalline and semi-crystalline carriers. Expert Opin Drug Deliv 2016; 13:1583-1594. [PMID: 27321133 DOI: 10.1080/17425247.2016.1198768] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION As a consequence of the target and drug candidate identification process, drugs with higher hydrophobicity and/or lipophilicity are being selected for further development, leading to solubility and dissolution rate limited oral bioavailability, and hence potential failure of the intended therapeutic goal. Solid dispersions were introduced as a formulation strategy in the early 1960s to tackle this issue and are still an area of intensive research activity. Areas covered: There has been a shift in the type of carriers that were used in the formulation of solid dispersions as nowadays, amorphous carriers are most often used, whereas in early stages of solid dispersions development, crystalline and semi-crystalline carriers were most commonly applied. In this review, we will discuss several aspects related to the use of crystalline and semi-crystalline carriers such as their molecular and related physical structure, and their physical chemical properties related to formulation of poorly soluble drugs. Expert opinion: The inherent crystallinity of this type of carrier hinders the formation of high-load solid solutions as mainly the amorphous domains of a carrier are able to accommodate drug molecules. Hence these carriers are not currently first choice excipients to formulate solid dispersions.
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Affiliation(s)
- Tu Van Duong
- a Department of Pharmaceutical and Pharmacological Sciences, Drug Delivery and Disposition , KU Leuven - University of Leuven , Leuven , Belgium.,b Department of Pharmaceutics , Hanoi University of Pharmacy , Ha Noi , Vietnam
| | - Guy Van den Mooter
- a Department of Pharmaceutical and Pharmacological Sciences, Drug Delivery and Disposition , KU Leuven - University of Leuven , Leuven , Belgium
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Marano S, Barker SA, Raimi-Abraham BT, Missaghi S, Rajabi-Siahboomi A, Craig DQM. Development of micro-fibrous solid dispersions of poorly water-soluble drugs in sucrose using temperature-controlled centrifugal spinning. Eur J Pharm Biopharm 2016; 103:84-94. [PMID: 27012901 PMCID: PMC4866555 DOI: 10.1016/j.ejpb.2016.03.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Revised: 02/26/2016] [Accepted: 03/20/2016] [Indexed: 12/30/2022]
Abstract
Solid dispersion technology represents a successful approach to addressing the bioavailability issues caused by the low aqueous solubility of many Biopharmaceutics Classification System (BCS) Class II drugs. In this study, the use of high-yield manufacture of fiber-based dispersion is explored as an alternative approach to monolith production methods. A temperature-controlled solvent-free centrifugal spinning process was used to produce sucrose-based microfibers containing the poorly water-soluble drugs olanzapine and piroxicam (both BCS Class II); these were successfully incorporated into the microfibers and the basic characteristics of fiber diameter, glassy behavior, drug loading capacity and drug-sucrose interaction assessment were measured. Scanning electron microscopy revealed that bead-free drug-loaded microfibers with homogenous morphology and diameter in the range of a few micrometers were prepared using our process. Differential scanning calorimetric and X-ray diffraction analyses showed that both drug and carrier were present in the amorphous state in the microfibers, although in the case of piroxicam-loaded microfibers, the presence of small amounts of crystalline drug was observed under polarized light microscopy and in Fourier transform infrared spectra. Drug dissolution performance was evaluated under both sink and non-sink conditions and was found to be significantly enhanced compared to the corresponding crystalline physical mixtures and pure drugs, with evidence of supersaturation behavior noted under non-sink conditions. This study has demonstrated that microfiber-based dispersions may be manufactured by the centrifugal spinning process and may possess characteristics that are favorable for the enhanced dissolution and oral absorption of drugs.
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Affiliation(s)
| | | | | | - Shahrzad Missaghi
- Colorcon Inc., Global Headquarters, 275 Ruth Road, Harleysville, PA 19438, USA.
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20
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Preparation of Inclusion Complex Between Nifedipine and Ethylenediamine-β-Cyclodextrin as Nanocarrier Agent. Pharm Chem J 2015. [DOI: 10.1007/s11094-015-1338-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Mishra DK, Dhote V, Bhargava A, Jain DK, Mishra PK. Amorphous solid dispersion technique for improved drug delivery: basics to clinical applications. Drug Deliv Transl Res 2015; 5:552-65. [PMID: 26306524 DOI: 10.1007/s13346-015-0256-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Zhao Y, Wu C, Zhao Z, Hao Y, Xu J, Yu T, Qiu Y, Jiang J. Preparation of starch macrocellular foam for increasing the dissolution rate of poorly water-soluble drugs. Pharm Dev Technol 2015; 21:749-54. [PMID: 26166407 DOI: 10.3109/10837450.2015.1055763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Starch macrocellular foam (SMF), a novel natural bio-matrix material, was prepared by the hard template method in order to improve the dissolution rate and oral bioavailability of poorly water-soluble drugs. Nitrendipine (NDP) was chosen as a model drug and was loaded into SMF by the solvent evaporation method. SMF and the loaded SMF samples (NDP-SMF) were characterized by scanning electron microscopy, differential scanning calorimetry, X-ray powder diffraction and Fourier transform infrared spectroscopy. In vitro drug release studies showed that SMF significantly increased the dissolution rate of NDP. In vivo studies showed that the NDP-SMF tablets clearly increased the oral bioavailability of NDP in comparison with the reference commercial tablets. All the results obtained demonstrated that SMF was a promising carrier for the oral delivery of poor water-soluble drugs.
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Affiliation(s)
- Ying Zhao
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Chao Wu
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Zongzhe Zhao
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Yanna Hao
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Jie Xu
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Tong Yu
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Yang Qiu
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
| | - Jie Jiang
- a Pharmacy School, Liaoning Medical University, Linghe District , Jinzhou , Liaoning Province , P.R. China
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Meng F, Gala U, Chauhan H. Classification of solid dispersions: correlation to (i) stability and solubility (ii) preparation and characterization techniques. Drug Dev Ind Pharm 2015; 41:1401-15. [DOI: 10.3109/03639045.2015.1018274] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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24
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Wang W, Kang Q, Liu N, Zhang Q, Zhang Y, Li H, Zhao B, Chen Y, Lan Y, Ma Q, Wu Q. Enhanced dissolution rate and oral bioavailability of Ginkgo biloba extract by preparing solid dispersion via hot-melt extrusion. Fitoterapia 2015; 102:189-97. [DOI: 10.1016/j.fitote.2014.10.004] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 10/01/2014] [Accepted: 10/05/2014] [Indexed: 11/29/2022]
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25
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Tran TH, Park C, Kang T, Park YJ, Oh E, Lee BJ. Micromeritic properties and instrumental analysis of physical mixtures and solid dispersions with adsorbent containing losartan: Comparison of dissolution-differentiating factors. POWDER TECHNOL 2015. [DOI: 10.1016/j.powtec.2014.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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26
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Barzegar-Jalali M, Ghanbarzadeh S, Adibkia K, Valizadeh H, Bibak S, Mohammadi G, Siahi-Shadbad MR. Development and characterization of solid dispersion of piroxicam for improvement of dissolution rate using hydrophilic carriers. ACTA ACUST UNITED AC 2014; 4:141-8. [PMID: 25337467 PMCID: PMC4204039 DOI: 10.15171/bi.2014.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Revised: 03/09/2014] [Accepted: 04/14/2014] [Indexed: 11/30/2022]
Abstract
Introduction: The main objective of this study was preparation and characterization of solid dispersion of piroxicam to enhance its dissolution rate.
Methods: Solid dispersion formulations with different carriers including crospovidone, microcrystalline cellulose, Elaeagnus angustifolia fruit powder, with different drug to carrier ratios were prepared employing cogrinding method. Dissolution study of the piroxicam powders, physical mixtures and solid dispersions was performed in simulated gastric fluid and simulated intestinal fluid using USP Apparatus type II. The physical characterization of formulations were analyzed using powder X ray diffraction (PXRD), particle size analyzer and differential scanning calorimetry (DSC). Interactions between the drug and carriers were evaluated by Fourier transform infrared (FT-IR) spectroscopic method.
Results: It was revealed that all of three carriers increase the dissolution rate of piroxicam from physical mixtures and especially in solid dispersions compared to piroxicam pure and treated powders. PXRD and DSC results confirmed the reduction of crystalline form of piroxicam. FT-IR analysis did not show any physicochemical interaction between drug and carriers in the solid dispersion formulations.
Conclusion: Dissolution rate was dependent on the type and ratio of drug to carrier as well as pH of dissolution medium. Dissolution data of formulations were fitted well into the linear Weibull as well as non-linear logistic and suggested models.
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Affiliation(s)
- Mohammad Barzegar-Jalali
- Drug Applied Research Center, Tabriz University of Medical Science, Tabriz, Iran ; Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Saeed Ghanbarzadeh
- Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran ; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran ; Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khosro Adibkia
- Drug Applied Research Center, Tabriz University of Medical Science, Tabriz, Iran ; Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran ; Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Valizadeh
- Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran ; Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Siamak Bibak
- Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Ghobad Mohammadi
- School of Pharmacy, Kermanshah University of Medical Science, Kermanshah, Iran
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Hot melt extruded amorphous solid dispersion of posaconazole with improved bioavailability: investigating drug-polymer miscibility with advanced characterisation. BIOMED RESEARCH INTERNATIONAL 2014; 2014:146781. [PMID: 25143935 PMCID: PMC4131112 DOI: 10.1155/2014/146781] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 03/31/2014] [Accepted: 04/02/2014] [Indexed: 01/18/2023]
Abstract
Invasive antifungal infections are reasons for morbidity and mortality in immunogenic patients worldwide. Posaconazole is a most promising antifungal agent against all types of invasive infections with high % of cure rate. The marketed suspension formulation has low bioavailability and is needed to be taken with food. In this paper, PCZ hot melt extruded amorphous solid dispersion (SD) with immediate release and improved bioavailability was prepared using Soluplus (Sol) as primary carrier for solubilization. Surfactants such as PEG 400, Lutrol F27, Lutrol F68, and TPGS are also used in combination with Soluplus to improve the physicochemical performance of the formulation when it comes in contact with GI (gastrointestinal) fluid. Drug-polymer miscibility of SD was investigated using advanced techniques. In the in vivo study, the AUC(0–72) and Cmax of PCZ/Soluplus were 11.5 and 11.74 time higher than those of pure PCZ. The formulation of the extrudate SD had an AUC(0–72) and Cmax higher than those with the commercial capsule (Noxafil). Molecular dynamic (MD) simulation studies were carried out using in silico molecular modelling to understand the drug-polymer intermolecular behaviour. The results of this research ensure enhanced dissolution and bioavailability of the solid dispersion of PCZ prepared by HME compared with the PCZ suspension.
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28
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Li X, Jiang C, Pan L, Zhang H, Hu L, Li T, Yang X. Effects of preparing techniques and aging on dissolution behavior of the solid dispersions of NF/Soluplus/Kollidon SR: identification and classification by a combined analysis by FT-IR spectroscopy and computational approaches. Drug Dev Ind Pharm 2014; 41:2-14. [DOI: 10.3109/03639045.2014.938080] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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29
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Mohammed KAB, Ibrahim HK, Ghorab MM. Effervescent tablet formulation for enhanced patient compliance and the therapeutic effect of risperidone. Drug Deliv 2014; 23:297-306. [DOI: 10.3109/10717544.2014.912693] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Kareem Abu Bakr Mohammed
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, Egypt
| | - Howida Kamal Ibrahim
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, Egypt
| | - Mahmoud Mohammed Ghorab
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Ainy Street, Cairo, Egypt
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30
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Development and evaluation of lafutidine solid dispersion via hot melt extrusion: Investigating drug-polymer miscibility with advanced characterisation. Asian J Pharm Sci 2014. [DOI: 10.1016/j.ajps.2013.12.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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31
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Development of a new method for determination of aluminum (Al) in Jordanian foods and drinks: Solid phase extraction and adsorption of Al3+-d-mannitol on carbon nanotubes. J Food Compost Anal 2014. [DOI: 10.1016/j.jfca.2013.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Ma J, Wang J, Cheng Z, Yin T, Teng H, Xu H, Tang X, Cai C. Sustained-release pellets of nifedipine using microcrystals combined with MCC-based matrix. Drug Dev Ind Pharm 2013; 41:307-14. [PMID: 24320880 DOI: 10.3109/03639045.2013.859153] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The purpose of this study was to prepare sustained-release pellets of nifedipine (NSPs) based on MCC matrix. Wet-milling and extrusion-spheronization techniques were employed to prepare the microcrystals and pellets, respectively. The drug release mechanism and the influencing factors were investigated. After milled with HPMC (E5), the mean particle size of nifedipine in co-grinding mixture (CGM) was 5 μm, which is 15-fold smaller than that of raw material. DSC, X-ray powder diffraction and microscopic observation confirmed the microcrystals of drug were maintained in the CGM. With increased milling time and the content of HPMC, the dissolution rate was greatly enhanced compared with the raw material. The NSPs prepared by MCC and the CGM, which was obtained by cogrinding nifedipine with 5% HPMC solution for 210 min, exhibited sustained release pattern within 8 h. Nifedipine release from MCC-based NSPs followed the Korsmeyer model and closely related to the microstructure of pellet. High stability of NSPs was confirmed after 6 months of accelerated stability test. Using commercially available sustained product as reference, bioequivalence study in beagle dogs was executed and two formulations were bioequivalent. This sustained release pellet formulation of nifedipine was advantageous with convenient and easy scaled-up preparation process.
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Affiliation(s)
- Jinlong Ma
- Department of Pharmaceutics, Shenyang Pharmaceutical University , Shenyang , People's Republic of China
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33
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Vo CLN, Park C, Lee BJ. Current trends and future perspectives of solid dispersions containing poorly water-soluble drugs. Eur J Pharm Biopharm 2013; 85:799-813. [DOI: 10.1016/j.ejpb.2013.09.007] [Citation(s) in RCA: 422] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 07/29/2013] [Accepted: 09/09/2013] [Indexed: 11/24/2022]
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34
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Asare-Addo K, Conway BR, Hajamohaideen MJ, Kaialy W, Nokhodchi A, Larhrib H. Aqueous and hydro-alcoholic media effects on polyols. Colloids Surf B Biointerfaces 2013; 111:24-9. [DOI: 10.1016/j.colsurfb.2013.05.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 05/02/2013] [Accepted: 05/05/2013] [Indexed: 11/28/2022]
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Liu J, Cao F, Zhang C, Ping Q. Use of polymer combinations in the preparation of solid dispersions of a thermally unstable drug by hot-melt extrusion. Acta Pharm Sin B 2013. [DOI: 10.1016/j.apsb.2013.06.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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36
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Makar RR, Latif R, Hosni EA, El Gazayerly ON. Optimization for glimepiride dissolution enhancement utilizing different carriers and techniques. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2013. [DOI: 10.1007/s40005-013-0061-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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37
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Mohammed NN, Majumdar S, Singh A, Deng W, Murthy NS, Pinto E, Tewari D, Durig T, Repka MA. Klucel™ EF and ELF polymers for immediate-release oral dosage forms prepared by melt extrusion technology. AAPS PharmSciTech 2012; 13:1158-69. [PMID: 22961411 DOI: 10.1208/s12249-012-9834-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2012] [Accepted: 07/24/2012] [Indexed: 11/30/2022] Open
Abstract
The objective of this research work was to evaluate Klucel™ hydroxypropylcellulose (HPC) EF and ELF polymers, for solubility enhancement as well as to address some of the disadvantages associated with solid dispersions. Ketoprofen (KPR), a Biopharmaceutics Classification System class II drug with poor solubility, was utilized as a model compound. Preliminary thermal studies were performed to confirm formation of a solid solution/dispersion of KPR in HPC matrix and also to establish processing conditions for hot-melt extrusion. Extrudates pelletized and filled into capsules exhibited a carrier-dependent release with ELF polymer exhibiting a faster release. Tablets compressed from milled extrudates exhibited rapid release owing to the increased surface area of the milled extrudate. Addition of mannitol (MNT) further enhanced the release by forming micro-pores and increasing the porosity of the extrudates. An optimized tablet formulation constituting KPR, MNT, and ELF in a 1:1:1 ratio exhibited 90% release in 15 min similar to a commercial capsule formulation. HPC polymers are non-ionic hydrophilic polymers that undergo polymer-chain-length-dependent solubilization and can be used to enhance solubility or dissolution rate of poorly soluble drugs. Dissolution/release rate could be tailored for rapid-release applications by selecting a suitable HPC polymer and altering the final dosage form. The release obtained from pellets was carrier-dependent and not drug-dependent, and hence, such a system can be effectively utilized to address solubility or precipitation issues with poorly soluble drugs in the gastrointestinal environment.
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Crum M, Elkordy AA, Zarara M, Elkordy EA. In situlyophilisation of nifedipine directly in hard gelatine capsules. Pharm Dev Technol 2012; 18:1379-90. [DOI: 10.3109/10837450.2012.723718] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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40
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Pandit V, Pai RS, Devi K, Suresh S. In vitro-in vivo evaluation of fast-dissolving tablets containing solid dispersion of pioglitazone hydrochloride. J Adv Pharm Technol Res 2012; 3:160-70. [PMID: 23057002 PMCID: PMC3459445 DOI: 10.4103/2231-4040.101008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Investigation of in vitro/in vivo behavior of fast-dissolving tablets containing solid dispersions of pioglitazone hydrochloride (PIO) is the focus of the present research work. The effect of various hydrophilic polymers on the aqueous solubility of PIO was studied. Poly vinyl pyrrolidine K 30 (PVPK 30) carrier was selected and solid dispersions were prepared by various methods. Evaluation of solid dispersion for percentage yield, drug content, solubility, and Fourier Transform Infrared-indicated kneading method was most appropriate. Furthermore, the dissolution studies exhibited an enhancement in drug dissolution. One-way ANOVA of in vitro data suggested that there was significant (P ≤ 0.05) difference in dissolution profile of PIO solid dispersion when compared with pure drug and commercial product. Infrared spectroscopy, differential scanning calorimetry, and powder X-ray diffraction performed on solid dispersion indicated lack of physicochemical interaction between the drug and the carrier. The selected formulation is compressed into fast-dissolving tablets which were further evaluated for tablet properties and in vitro drug release. In vivo studies of pure drug, selected formulation, and marketed product were carried out in male Wistar rats and pharmacokinetic parameters were calculated using Kinetica software 2000. The best formulation has shown T(max) of 1 hour which was highly significant (P < 0.01) when compared with pure drug and marketed formulation. Therefore, the solid dispersions prepared by kneading method using PVPK 30 as hydrophilic carrier can be successfully used for improvement of dissolution of PIO and resulted in faster onset of action as indicated by in vivo studies.
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Affiliation(s)
- Vinay Pandit
- Department of Pharmaceutics, Faculty of Pharmacy, Al-Ameen College of Pharmacy, Bangalore 560027, Karnataka, India
| | - Roopa S. Pai
- Department of Pharmaceutics, Faculty of Pharmacy, Al-Ameen College of Pharmacy, Bangalore 560027, Karnataka, India
| | - Kusum Devi
- Department of Continuing Education and Quality Improvement, Faculty of Pharmacy, Al-Ameen College of Pharmacy, Bangalore 560027, Karnataka, India
| | - Sarasija Suresh
- Department of Pharmaceutical Technology (Formulations), NIPER, Mohali, Punjab, India
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41
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Krishnamoorthy V, Suchandrasen, Prasad VPR. Physicochemical characterization and in vitro dissolution behavior of olanzapine-mannitol solid dispersions. BRAZ J PHARM SCI 2012. [DOI: 10.1590/s1984-82502012000200008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The objective of the present work is to study the dissolution behavior of olanzapine from its solid dispersions with mannitol. Solid dispersions were prepared by melt dispersion method and characterized by phase solubility studies, drug content and in vitro dissolution studies. The best releasing dispersions were selected from release data, dissolution parameters and their release profiles. Solid state characterization techniques like Fourier transform infrared (FT-IR) spectroscopy, X-ray diffractometry, differential scanning calorimetry, near-infrared and Raman spectroscopy were used to characterize the drug in selected dispersions. The dispersions were also evaluated by wettability studies and permeation studies. The results of phase solubility studies and the thermodynamic parameters indicated the spontaneity and solubilization effect of the carrier. The release study results showed greater improvement of drug release from solid dispersions compared to pure drug, and the release was found to increase with an increase in carrier content. The possible mechanism for increased release rate from dispersions may be attributed to solubilization effect of the carrier, change in crystal quality, phase transition from crystalline to amorphous state, prevention of agglomeration or aggregation of drug particles, change in surface hydrophobicity of the drug, and increased wettability and dispersability of the drug in dissolution medium. The suggested reasons for increased release rate from dispersions were found to be well supported by results of solid state characterization, wettability and permeation studies. The absence of any interaction between the drug and the carrier was also proved by FT-IR analysis.
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Improved dissolution and anti-inflammatory effect of ibuprofen by solid dispersion. Front Med 2012; 6:195-203. [DOI: 10.1007/s11684-012-0189-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Accepted: 02/06/2012] [Indexed: 11/26/2022]
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Shi AM, Wang LJ, Li D, Adhikari B. The effect of annealing and cryoprotectants on the properties of vacuum-freeze dried starch nanoparticles. Carbohydr Polym 2012. [DOI: 10.1016/j.carbpol.2012.02.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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44
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Pawar AP, Shelake MR, Bothiraja C, Kamble RN. Development of photostable gastro retentive formulation for nifedipine using low-density polypropylene microporous particles. J Microencapsul 2012; 29:409-16. [DOI: 10.3109/02652048.2012.655330] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Das A, Nayak AK, Mohanty B, Panda S. Solubility and dissolution enhancement of etoricoxib by solid dispersion technique using sugar carriers. ISRN PHARMACEUTICS 2011; 2011:819765. [PMID: 22389861 PMCID: PMC3263729 DOI: 10.5402/2011/819765] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 06/21/2011] [Indexed: 11/23/2022]
Abstract
The aim of the present study was to improve solubility and dissolution of the poorly aqueous soluble drug, etoricoxib by solvent evaporation technique using various sugar carriers, such as lactose, sucrose, and mannitol. Etoricoxib solid dispersions and their respective physical mixtures using lactose, sucrose, and mannitol were prepared in different ratios by solvent evaporation technique. The percent yield, drug content, saturation solubility, and in vitro dissolution of etoricoxib solid dispersions and physical mixtures were analyzed. Etoricoxib solid dispersions were characterized by FTIR spectroscopy, XRD, and DSC analysis. The FTIR spectroscopic analysis revealed the possibility of intermolecular hydrogen bonding in various solid dispersions. The XRD and DSC studies indicated the transformation of crystalline etoricoxib (in pure drug) to amorphous etoricoxib (in solid dispersions) by the solid dispersion technology. Both the aqueous solubility and dissolution of etoricoxib were observed in all etoricoxib solid dispersions as compared with pure etoricoxib and their physical mixtures. The in vitro dissolution studies exhibited improved dissolution in case of solid dispersion using lactose than the solid dispersions using both sucrose and mannitol. The in vitro dissolution of etoricoxib from these solid dispersions followed Hixson-Crowell model.
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Affiliation(s)
- Abhisekh Das
- Department of Pharmaceutics, Seemanta Institute of Pharmaceutical Sciences, Orissa, Mayurbhanj 757086, India
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Elgindy N, Elkhodairy K, Molokhia A, Elzoghby A. Lyophilized flutamide dispersions with polyols and amino acids: preparation and in vitro evaluation. Drug Dev Ind Pharm 2011; 37:446-55. [DOI: 10.3109/03639045.2010.522190] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Thommes M, Ely DR, Carvajal MT, Pinal R. Improvement of the Dissolution Rate of Poorly Soluble Drugs by Solid Crystal Suspensions. Mol Pharm 2011; 8:727-35. [PMID: 21344937 DOI: 10.1021/mp1003493] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Markus Thommes
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
| | - David R. Ely
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
| | - M. Teresa Carvajal
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
| | - Rodolfo Pinal
- Department of Industrial and Physical Pharmacy, Purdue University, West Lafayette, Indiana, USA
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48
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Design of submicron and nanoparticle delivery systems using supercritical carbon dioxide-mediated processes: an overview. Ther Deliv 2011; 2:259-77. [DOI: 10.4155/tde.10.82] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Supercritical carbon dioxide technology is an environmentally benign technique that allows precise control of particle morphology, while minimizing organic solvent use for a wide variety of biomedical and pharmaceutical applications. Supercritical carbon dioxide processes have benefits over the conventional particle formation methods in terms of improved control, flexibility and operational ease. This article gives an insight into a variety of supercritical fluid techniques relevant to drug formulation, recent advances and novel applications in the field of controlled delivery. These new methods have been designed to alleviate the scaling-up of the traditional methods for nanoparticle formulation either in the form of polymeric scaffolds, impregnation or nanoencapsules using a simple one-step process to produce micron-size particles.
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Srinarong P, Kouwen S, Visser MR, Hinrichs WLJ, Frijlink HW. Effect of drug-carrier interaction on the dissolution behavior of solid dispersion tablets. Pharm Dev Technol 2010; 15:460-8. [PMID: 20735300 DOI: 10.3109/10837450903286529] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The objective of this study was to compare the dissolution behavior of tablets prepared from solid dispersions with and without drug-carrier interactions. Diazepam and nifedipine were used as model drugs. Two types of carriers were used; polyvinylpyrrolidone (PVP K12, K30 and K60) and saccharides (inulin 1.8 kDa, 4 kDa and 6.5 kDa). Solid dispersions with various drug loads were prepared by lyophilization. It was found that the drug solubility in aqueous PVP solutions was significantly increased indicating the presence of drug-carrier interaction while the drug solubility was not affected by the saccharides indicating absence of drug-carrier interaction. X-ray powder diffraction and modulated differential scanning calorimetry revealed that all solid dispersions were fully amorphous. Dissolution behavior of solid dispersion tablets based on either the PVPs or saccharides was governed by both dissolution of the carrier and drug load. It was shown that a fast drug dissolution of solid dispersions with a high drug load could be obtained with carrier that showed interaction with the drug.
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Affiliation(s)
- Parinda Srinarong
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, The Netherlands.
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50
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Palanisamy M, Khanam J. Solid dispersion of prednisolone: solid state characterization and improvement of dissolution profile. Drug Dev Ind Pharm 2010; 37:373-86. [PMID: 20839923 DOI: 10.3109/03639045.2010.513984] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Dissolution testing is an important test for judging the effectiveness of a pharmaceutical dosage form. Many drugs create adverse effect because of insufficient solubility at the physiological pH. This study is aimed to improve the dissolution properties of prednisolone (PRD) that falls under the category of class II biopharmaceutics system. METHODS In this study, preparation of solid dispersions with various water-soluble carriers was studied to improve the dissolution of PRD. To obtain the optimized formulation, solid dispersions were prepared employing different methods using different carriers with various drug:carrier ratios. Their dissolution behaviors were also compared. Fourier transform infrared (FTIR) spectroscopy, powder X-ray diffraction, and thermal analysis were studied to characterize the prepared solid dispersion. RESULTS PRD formed stable complexes with carriers as indicated by the stability constants (K(a)) of 9.5-597.2 M(-1). The results indicated that in vitro dissolution rate of PRD was remarkably improved in the solid dispersion of the drug compared with physical mixture and drug alone. This can be attributed to improved wettability, dispersibility, decrease in crystallinity, and increase in amorphous fraction of the drug. The results obtained from Fourier transform infrared spectroscopy and powder X-ray diffraction showed good evidence of drug-carrier interaction while using carriers such as hydroxypropyl-β-cyclodextrin (HP-βCD) and polyethylene glycol (PEG). Crystallinity of the drug was reduced in the solid dispersions prepared with hydroxypropyl-β-cyclodextrin, polyvinylpyrrolidone-co-vinyl acetate 64, and PEG as revealed from the differential scanning calorimetry thermograms. CONCLUSION The results suggested that the solid dispersion with selected excipients is a powerful tool to accelerate the dissolution of poorly water-soluble drugs.
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Affiliation(s)
- Mohanraj Palanisamy
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India.
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