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Fouad SA, Khatab ST, Teaima MH, El-Nabarawi MA, Abdelmonem R. Nanosized ethosomal dispersions for enhanced transdermal delivery of nebivolol using intradermal/transfollicular sustained reservoir: in vitro evaluation, confocal laser scanning microscopy, and in vivo pharmacokinetic studies. Pharm Dev Technol 2024; 29:40-51. [PMID: 38078863 DOI: 10.1080/10837450.2023.2294278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 12/09/2023] [Indexed: 12/20/2023]
Abstract
Nebivolol (NBV), a BCS class II anti-hypertensive drug, suffers from limited solubility and oral bioavailability. Nanosized ethosomes were adopted as an approach to solubilize and deliver NBV transdermally, as a substitute to oral route. Ethosomal dispersions were prepared employing thin film hydration method. Formulation variables were adjusted to obtain entrapment efficiency; EE > 50%, particle size; PS < 100 nm, zeta potential; ZP > ±25 mV, and polydispersity index; PDI < 0.5. The optimized ethosomal dispersion (OED) showed accepted EE 86.46 ± 0.15%, PS 73.50 ± 0.08 nm, ZP 33.75 ± 1.20 mV, and PDI 0.31 ± 0.07. It also showed enhanced cumulative amount of NBV permeated at 8 h (Q8) 71.26 ± 1.46% and 24 h (Q24) 98.18 ± 1.02%. TEM images denoted spherical vesicles with light colored lipid bi-layer and dark core. Confocal laser scanning microscopy showed deeply localized intradermal and transfollicular permeation of the fluorolabelled OED (FL-OED). Nanosized FL-OED (<100 nm) can permeate through hair follicles creating a drug reservoir for enhanced systemic absorption. OED formulated into transdermal patch (OED-TP1) exhibited accepted physicochemical properties including; thickness 0.14 ± 0.01 mm, folding endurance 151 ± 0.07, surface pH 5.80 ± 0.15, drug content 98.64 ± 2.01%, mucoadhesion 8534 ± 0.03, Q8 87.61 ± 0.11%, and Q24 99.22 ± 0.24%. In vivo pharmacokinetic studies showed significantly enhanced bioavailability of OED-TP1 by 7.9 folds compared to oral Nevilob® tablets (p = 0.0002). It could be concluded that OED-TP1 can be a promising lipid nanocarrier TDDS for NBV and an efficacious alternative route of administration for hypertensive patients suffering from dysphagia.
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Affiliation(s)
- Shahinaze A Fouad
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Sara T Khatab
- The General Authority for Health Insurance, Giza, Egypt
| | - Mahmoud H Teaima
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mohamed A El-Nabarawi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Rehab Abdelmonem
- Department of Industrial Pharmacy, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Cairo, Egypt
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Abdelmonem R, El-Enin HAA, Abdelkader G, Abdel-Hakeem M. Formulation and characterization of lamotrigine nasal insert targeted brain for enhanced epilepsy treatment. Drug Deliv 2023; 30:2163321. [PMID: 36579655 PMCID: PMC9809415 DOI: 10.1080/10717544.2022.2163321] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Lamotrigine. (LMT) is a triazine drug has an antiepileptic effect but with low water solubility, dissolution rate and thus therapeutic effect. Spanlastics are nano-vesicular carriers' act as site-specific drug delivery system. Intranasal route could direct the drug from nose to brain and provide a faster and more specific therapeutic effect. Therefore, this study aimed to upload lamotrigine onto nano-vesicles using spanlastic nasal insert delivery for effective epilepsy treatment via overcoming lamotrigine's low solubility and improving its bioavailability. Lamtrigine-loaded nano-spanlastic vesicles were prepared by ethanol injection method. To study different formulation factor's effect on formulations characters; particle size (PS), Zeta potential (ZP), polydispersity index (PDI), entrapment efficiency percentage (EE%) and LMT released amount after 6 h (Q6h); 2^1 and 3^1 full factorial designs were employed. Optimized formula was loaded in lyophilized nasal inserts formulation which were characterized for LMT release and mucoadhesion. Pharmacokinetics studies in plasma and brain were performed on rats to investigate drug targeting efficiency. The optimal nano-spanlastic formulation (F4; containing equal Span 60 amount (100 mg) and edge activator; Tween 80) exhibited nano PS (174.2 nm), high EE% (92.75%), and Q6h > 80%. The prepared nasal inserts (S4) containing 100 mg HPMC has a higher mucoadhesive force (9319.5 dyne/cm2) and dissolution rate (> 80% within 10 min) for rapid in vivo bio-distribution. In vivo studies showed considerable improvement brain and plasma's rate and extent absorption after intranasal administration indicating a high brain targeting efficiency. The results achieved indicate that nano-spanlastic nasal-inserts offer a promising LMT brain targeting in order to maximize its antiepileptic effect.
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Affiliation(s)
- Rehab Abdelmonem
- Department of Industrial Pharmacy, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology (MUST), 6th of October City, Giza, 12566, Egypt
| | - Hadel A. Abo El-Enin
- Department of Pharmaceutics, National organization of drug Control and Research (NODCAR), Giza, Egypt,CONTACT Hadel A. Abo El-Enin Department of Pharmaceutics, National organization of drug Control and Research (NODCAR), Giza, Egypt
| | - Ghada Abdelkader
- College of Pharmaceutical Science and Drug Manufacturing, Misr University for Science and Technology (MUST), 6th of October City, Giza, Egypt
| | - Mohamed Abdel-Hakeem
- Department of pharmaceutical biotechnology, College of biotechnology, Misr University For Science and Technology (MUST), 6th of October City, Giza, Egypt
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Chachlioutaki K, Iordanopoulou A, Bouropoulos N, Meikopoulos T, Gika H, Ritzoulis C, Andreadis D, Karavasili C, Fatouros DG. Pediatric and Geriatric-Friendly Buccal Foams: Enhancing Omeprazole Delivery for Patients Encountering Swallowing Difficulties. J Pharm Sci 2023; 112:2644-2654. [PMID: 37549845 DOI: 10.1016/j.xphs.2023.07.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/09/2023]
Abstract
Buccal foams containing omeprazole (OME) have been developed as potential drug delivery systems for individuals encountering swallowing difficulties, particularly pediatric and geriatric patients. The buccal foams were formulated from lyophilized aqueous gels of maltodextrin, used as a sweetener, combined with various polymers (alginate, chitosan, gelatin, tragacanth) to fine tune their structural, mechanical, and physicochemical properties. Consistent with the requirements for efficient drug delivery across buccal epithelium, the foam comprised of hydroxypropyl methylcellulose and alginate (HPMC-Alg-OME), exhibited moderate hardness and high mucoadhesion resulting to prolonged residence and increased transport of the active across porcine epithelium. The HPMC-Alg-OME foam induced a 30-fold increase in the drug's apparent permeability across porcine buccal tissue, compared to the drug suspension. The developed buccal foams exhibited excellent stability, as evidenced by the unchanged omeprazole content even after six months of storage under ambient conditions (20 °C and 45% RH). Results indicate that buccal foams of omeprazole may address the stability and ease of administration issues related to oral administration of the drug, particularly for children and elderly patients who have difficulty swallowing solid dosage forms.
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Affiliation(s)
- Konstantina Chachlioutaki
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece
| | - Anastasia Iordanopoulou
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Nikolaos Bouropoulos
- Department of Materials Science, University of Patras, Patras, Greece; Foundation for Research and Technology Hellas, Institute of Chemical Engineering and High Temperature Chemical Processes, Patras, Greece
| | - Thomas Meikopoulos
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Helen Gika
- Laboratory of Forensic Medicine and Toxicology, Medical School, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Christos Ritzoulis
- Department of Food Science and Technology, International Hellenic University, Thessaloniki, Greece
| | - Dimitrios Andreadis
- Department of Oral Medicine/Pathology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Christina Karavasili
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece
| | - Dimitrios G Fatouros
- Department of Pharmacy Division of Pharmaceutical Technology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece; Center for Interdisciplinary Research and Innovation (CIRI-AUTH), 57001 Thessaloniki, Greece.
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Kruk K, Szekalska M, Basa A, Winnicka K. The Impact of Hypromellose on Pharmaceutical Properties of Alginate Microparticles as Novel Drug Carriers for Posaconazole. Int J Mol Sci 2023; 24:10793. [PMID: 37445975 DOI: 10.3390/ijms241310793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Fungal infections are a group of diseases which are challenging to treat because of drug-resistant fungi species, drug toxicity, and often severe patient conditions. Hence, research into new treatments, including new therapeutic substances and novel drug delivery systems, is being performed. Mucoadhesive dosage forms are beneficial to improving drug bioavailability by prolonging the residence time at the site of application. Sodium alginate is a natural polymer with favorable mucoadhesive and gelling properties, although its precipitation in acidic pH significantly disrupts the process of drug release in gastric conditions. Hypromellose is a hydrophilic, semi-synthetic cellulose derivative with mucoadhesive properties, which is widely used as a control release agent in pharmaceutical technology. The aim of this study was to evaluate the impact of hypromellose on alginate microparticles with posaconazole, designed to modify drug release and to improve their mucoadhesive properties for both oral or vaginal application.
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Affiliation(s)
- Katarzyna Kruk
- Department of Pharmaceutical Technology, Medical University of Białystok, Mickiewicza 2C, 15-222 Białystok, Poland
| | - Marta Szekalska
- Department of Pharmaceutical Technology, Medical University of Białystok, Mickiewicza 2C, 15-222 Białystok, Poland
| | - Anna Basa
- Institute of Chemistry, University of Białystok, Ciołkowskiego 1K, 15-245 Białystok, Poland
| | - Katarzyna Winnicka
- Department of Pharmaceutical Technology, Medical University of Białystok, Mickiewicza 2C, 15-222 Białystok, Poland
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Patel M, Shelke S, Surti N, Panzade P, Al-Keridis LA, Upadhyay TK, Alshammari N, Saeed M. Design, preparation, and in vitro evaluation of gastroretentive floating matrix tablet of mitiglinide. Front Pharmacol 2023; 14:1140351. [PMID: 37006995 PMCID: PMC10050700 DOI: 10.3389/fphar.2023.1140351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Accepted: 02/24/2023] [Indexed: 03/17/2023] Open
Abstract
The present research is focused on developing floating matrix tablets of mitiglinide to prolong its gastric residence time for better absorption. Gastroretentive tablets were prepared using a direct compression technique with hydroxypropyl methylcellulose K15M (HPMC K15M) and sodium alginate as matrix-forming polymers and sodium bicarbonate as the gas-forming agent. A 32 full factorial design was adopted to optimize the flotation and release profile of the drug. The concentration of HPMC K15M and sodium alginate were taken as the independent variables, and the floating lag time, time required for 50% drug release, and time required for 90% drug release were taken as dependent variables. The compatibility between drug and excipients was assessed by Fourier transform infrared (FTIR) spectroscopy. The prepared tablets were evaluated for different parameters such as hardness, friability, drug content, floating time, in vitro dissolution, and stability. Dissolution data were analyzed using various kinetic models to ascertain the mechanism of drug release. Finally, a radiographic study was conducted to estimate the retention time of the optimized floating matrix tablets of mitiglinide inside the body. The results revealed that all the physical properties of the developed formulations were within standard limits. The formulation M3, with the maximum amount of both independent variables, was considered to be the optimized formulation based on the desirability value. In addition, the optimized M3 formulation showed stability for over 6 months, as evidenced by insignificant changes in lag time, drug release pattern, and other physical properties. Furthermore, radiographic examination indicated that the tablets remained afloat in gastric fluid for up to 12 h in the rabbit’s stomach. In conclusion, the developed floating matrix tablet of mitiglinide could be regarded as a promising formulation that could release the drug in the stomach at a controlled rate and, hence, offer better management of type II diabetes.
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Affiliation(s)
- Meenakshi Patel
- Department of Pharmaceutics, School of Pharmacy, Faculty of Pharmacy, Parul University, Waghodia, India
- *Correspondence: Meenakshi Patel, ; Tarun Kumar Upadhyay, ; Mohd Saeed,
| | - Santosh Shelke
- Department of Pharmaceutics, Srinath College of Pharmacy, Aurangabad, India
| | - Naazneen Surti
- Babaria Institute of Pharmacy, Varnama, Gujarat Technological University, Vadodara, India
| | - Prabhakar Panzade
- Department of Pharmaceutics, Srinath College of Pharmacy, Aurangabad, India
| | - Lamya Ahmed Al-Keridis
- Biology Department, Faculty of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Tarun Kumar Upadhyay
- Department of Biotechnology, Parul Institute of Applied Sciences and Centre for Research for Development, Parul University, Vadodara, India
- *Correspondence: Meenakshi Patel, ; Tarun Kumar Upadhyay, ; Mohd Saeed,
| | - Nawaf Alshammari
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
| | - Mohd Saeed
- Department of Biology, College of Sciences, University of Hail, Hail, Saudi Arabia
- *Correspondence: Meenakshi Patel, ; Tarun Kumar Upadhyay, ; Mohd Saeed,
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Teaima MH, El-Nadi MT, Hamed RR, El-Nabarawi MA, Abdelmonem R. Lyophilized Nasal Inserts of Atomoxetine HCl Solid Lipid Nanoparticles for Brain Targeting as a Treatment of Attention-Deficit/Hyperactivity Disorder (ADHD): A Pharmacokinetics Study on Rats. Pharmaceuticals (Basel) 2023; 16:326. [PMID: 37259468 PMCID: PMC9958713 DOI: 10.3390/ph16020326] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 07/30/2023] Open
Abstract
The study aims to investigate the ability of lyophilized nasal inserts of nanosized atomoxetine HCl solid lipid nanoparticles (ATM-SLNs) to transport atomoxetine (ATM) directly to the brain and overcome the first-pass metabolism. In this case, 16 formulae of (ATM-SLNs) were prepared using hot melt emulsification, stirring and ultrasonication method technique. A full factorial design was established with 24 trials by optimization of four variables; lipid type (Compritol 888 ATO or stearic acid) (X1), lipid to drug ratio [(1:2) or (2:1)] (X2), span 60: Pluronic f127 ratio [(1:3) or (3:1)] (X3) and probe sonication time (five or ten minutes) (X4). The prepared SLNs were characterized for entrapment efficiency (EE%), in-vitro drug release after 30 min (Q30min), particle size (PS), zeta potential (ZP) and polydispersity index (PDI). Design Expert® software was used to select the optimum two formulae. The morphological examination for the optimum two formulae was carried out using a transmission electron microscope (TEM). Furthermore, eight lyophilized nasal inserts were prepared by using a 23 full factorial design by optimization of three variables: type of (ATM-SLNs) formula (X1), type of polymer (NOVEON AA1 or HPMC K100m) (X2) and concentration of polymer (X3). They were evaluated for nasal inserts' physicochemical properties. The two optimum inserts were selected by Design Expert® software. The two optimum insets with the highest desirability values were (S4 and S8). They were subjected to DSC thermal stability study and in-vivo study on rats. They were compared with atomoxetine oral solution, atomoxetine (3 mg/kg, intraperitoneal injection) and the pure atomoxetine solution loaded in lyophilized insert. (ATM-SLNs) showed EE% range of (41.14 mg ± 1.8% to 90.6 mg ± 2.8%), (Q30min%) of (27.11 ± 5.9% to 91.08 ± 0.15%), ZP of (-8.52 ± 0.75 to -28.4 ± 0.212% mV), PS of (320.9 ± 110.81% nm to 936.7 ± 229.6% nm) and PDI of (0.222 ± 0.132% to 0.658 ± 0.03%). Additionally, the two optimum (ATM-SLNs) formulae chosen, i.e., F7 and F9 showed spherical morphology. Nasal inserts had assay of drug content of (82.5 ± 2.5% to 103.94 ± 3.94%), Q15min% of (89.9 ± 6.4% to 100%) and Muco-adhesion strength of (3510.5 ± 140.21 to 9319.5 ± 39.425). DSC results of S4 and S8 showed compatibility of (ATM) with the other excipients. S8 and S4 also showed higher trans-nasal permeation to the brain with brain targeting efficiency of (211.3% and 177.42%, respectively) and drug transport percentages of (52.7% and 43.64%, respectively). To conclude, lyophilized nasal inserts of (ATM-SLNs) enhanced (ATM) trans-nasal drug targeting permeation and brain targeting efficiency.
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Affiliation(s)
- Mahmoud H. Teaima
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo P.O. Box 11562, Egypt
| | - Merhan Taha El-Nadi
- Department of Pharmaceutics, Egyptian Drug Authority (EDA), Giza P.O. Box 12511, Egypt
| | - Raghda Rabe Hamed
- Industrial Pharmacy Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Cairo P.O. Box 12566, Egypt
| | - Mohamed A. El-Nabarawi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo P.O. Box 11562, Egypt
| | - Rehab Abdelmonem
- Industrial Pharmacy Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Cairo P.O. Box 12566, Egypt
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Mady OY, Abulmeaty MMA, Donia AA, Al-Khureif AA, Al-Shoubki AA, Abudawood M, Abdel Moety DA. Formulation and Bioavailability of Novel Mucoadhesive Buccal Films for Candesartan Cilexetil in Rats. MEMBRANES 2021; 11:membranes11090659. [PMID: 34564476 PMCID: PMC8471814 DOI: 10.3390/membranes11090659] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/18/2021] [Accepted: 08/23/2021] [Indexed: 12/02/2022]
Abstract
Candesartan cilexetil (CC) is an antihypertensive drug. It has low solubility and faces hepatic first-pass metabolism after oral ingestion. We formulated bioadhesive buccal films and studied the respective drug pharmacokinetics. Different bioadhesive films were prepared (40, 80, 120, 160, 200, and 240 mg CC per film) by using the solvent casting method. The drug concentrations used affect the drug entrapment mechanism, which was reflected in the film physicochemical properties like thickness, weight, drug content, bioadhesion, and drug release. Low drug concentration (F2, 40 mg per film) led to minute drug crystal dispersion while increasing the drug concentration (F7, 240 mg per film) showed drug crystal encapsulation, which affects the drug release. The drug pharmacokinetic from the prepared films was studied compared to the oral form by serial blood sampling via an inserted catheter in the carotid of rats. High-Performance Liquid Chromatography assay was used to measure the plasma concentration of CC in different forms. Compared to other films, the F2 showed the highest maximal concentration (Cmax) and the lowest elimination half-life (t1/2). Bioadhesion buccal film of CC has better bioavailability, especially at low concentrations. The ease, robustness, and ruggedness of the preparation suggests the same procedure for drugs like CC.
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Affiliation(s)
- Omar Y. Mady
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Tanta University, Tanta 31511, Egypt
- Correspondence: (O.Y.M.); (M.M.A.A.); Tel.: +20-1141819661 (O.Y.M.); +966-458155983 (M.M.A.A.)
| | - Mahmoud M. A. Abulmeaty
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
- Department of Medical Physiology, School of Medicine, Zagazig University, Zagazig 44519, Egypt;
- Correspondence: (O.Y.M.); (M.M.A.A.); Tel.: +20-1141819661 (O.Y.M.); +966-458155983 (M.M.A.A.)
| | - Ahmed A. Donia
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Menofia University, Shebin El-Kom 13829, Egypt;
| | - Abdulaziz A. Al-Khureif
- Dental Health Department, College of Applied Medical Sciences, King Saud University, Riyadh 10219, Saudi Arabia;
| | - Adam A. Al-Shoubki
- Department of Pharmaceutics, Faculty of Pharmacy, Omar Al-Mukhtar University, Al-Bayda 0463, Libya;
| | - Manal Abudawood
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia;
| | - Doaa A. Abdel Moety
- Department of Medical Physiology, School of Medicine, Zagazig University, Zagazig 44519, Egypt;
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Mašková E, Kubová K, Raimi-Abraham BT, Vllasaliu D, Vohlídalová E, Turánek J, Mašek J. Hypromellose - A traditional pharmaceutical excipient with modern applications in oral and oromucosal drug delivery. J Control Release 2020; 324:695-727. [PMID: 32479845 DOI: 10.1016/j.jconrel.2020.05.045] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 02/07/2023]
Abstract
Hydroxypropylmethylcellulose (HPMC), also known as Hypromellose, is a traditional pharmaceutical excipient widely exploited in oral sustained drug release matrix systems. The choice of numerous viscosity grades and molecular weights available from different manufacturers provides a great variability in its physical-chemical properties and is a basis for its broad successful application in pharmaceutical research, development, and manufacturing. The excellent mucoadhesive properties of HPMC predetermine its use in oromucosal delivery systems including mucoadhesive tablets and films. HPMC also possesses desirable properties for formulating amorphous solid dispersions increasing the oral bioavailability of poorly soluble drugs. Printability and electrospinnability of HPMC are promising features for its application in 3D printed drug products and nanofiber-based drug delivery systems. Nanoparticle-based formulations are extensively explored as antigen and protein carriers for the formulation of oral vaccines, and oral delivery of biologicals including insulin, respectively. HPMC, being a traditional pharmaceutical excipient, has an irreplaceable role in the development of new pharmaceutical technologies, and new drug products leading to continuous manufacturing processes, and personalized medicine. This review firstly provides information on the physical-chemical properties of HPMC and a comprehensive overview of its application in traditional oral drug formulations. Secondly, this review focuses on the application of HPMC in modern pharmaceutical technologies including spray drying, hot-melt extrusion, 3D printing, nanoprecipitation and electrospinning leading to the formulation of printlets, nanoparticle-, microparticle-, and nanofiber-based delivery systems for oral and oromucosal application. Hypromellose is an excellent excipient for formulation of classical dosage forms and advanced drug delivery systems. New methods of hypromellose processing include spray draying, hot-melt extrusion, 3D printing, and electrospinning.
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Affiliation(s)
- Eliška Mašková
- Department of Pharmacology and Immunotherapy, Veterinary Research Institute, Hudcova 70, Brno 621 00, Czech Republic
| | - Kateřina Kubová
- Faculty of Pharmacy, Masaryk University, Brno 625 00, Czech Republic
| | - Bahijja T Raimi-Abraham
- School of Cancer and Pharmaceutical Sciences, King's College London, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Driton Vllasaliu
- School of Cancer and Pharmaceutical Sciences, King's College London, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Eva Vohlídalová
- Department of Pharmacology and Immunotherapy, Veterinary Research Institute, Hudcova 70, Brno 621 00, Czech Republic
| | - Jaroslav Turánek
- Department of Pharmacology and Immunotherapy, Veterinary Research Institute, Hudcova 70, Brno 621 00, Czech Republic.
| | - Josef Mašek
- Department of Pharmacology and Immunotherapy, Veterinary Research Institute, Hudcova 70, Brno 621 00, Czech Republic.
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Abdelmonem R, El Nabarawi M, Attia A. Development of novel bioadhesive granisetron hydrochloride spanlastic gel and insert for brain targeting and study their effects on rats. Drug Deliv 2018; 25:70-77. [PMID: 29228824 PMCID: PMC6058699 DOI: 10.1080/10717544.2017.1413447] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The aim of this study was to formulate granisetron hydrochloride (GH) spanlastic in mucoadhesive gels and lyophilized inserts for intranasal administration to improve GH bioavailability and brain targeting. Carpapol 934 and HPMC were incorporated in GH spanlastic in nasal gels (GHSpNGs). Gelatin and HPMC as matrix former, glycine as a collapse protecting and mannitol as an insert filler and sweeting agent were used to prepare GH spanlastic loaded in lyophilized inserts (GHSpNIs). The prepared GHSpNGs were characterized for pH measurement, drug content, rheology, and in vitro drug release. The prepared GHSpNIs were characterized for drug content, surface pH, GH release, and mucoadhesion. Biological investigations including pharmacokinetics studies and brain drug targeting efficiency dimensions were performed on rats (LC–MS/MS). The results showed thixotropic pseudoplastic gels and white insert with pH values in a physiological range, drug content (89.9–98.6%), (82.4–98.38%) for gel and insert, respectively and rapid release rate of GH. Biological studies showed that Cmax and AUC0–6 h in brain and plasma after intranasal administration of gel and insert were higher compared to IV administration of GH solution. A high brain targeting efficiency (199.3%, 230%) for gel and insert, respectively and a direct nose to brain transport (49.8%, 56.95%) for gel and insert, respectively confirmed that there is a direct nose to brain transport of GH following nasal administration of GH spanlastic loaded in nasal gel and insert. GHSpNIs can be considered as potential novel drug delivery system intended for brain targeting via the nasal rout of administration than GHSpNGs.
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Affiliation(s)
- Rehab Abdelmonem
- a Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy , Misr University for Science and Technology , 6th of October City , Giza, Egypt
| | - Mohamed El Nabarawi
- b Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy , Cairo University , Giza , Egypt
| | - Alshaimaa Attia
- a Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy , Misr University for Science and Technology , 6th of October City , Giza, Egypt
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Yedurkar P, Dhiman MK, Petkar K, Sawant K. Biopolymeric mucoadhesive bilayer patch of pravastatin sodium for Buccal delivery and treatment of patients with atherosclerosis. Drug Dev Ind Pharm 2012; 39:670-80. [DOI: 10.3109/03639045.2012.687379] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Choudhury A, Das S, Bahadur S, Saha S, Roy A. Formulation and evaluation of omeprazole tablets for duodenal ulcer. Indian J Pharm Sci 2010; 72:491-4. [PMID: 21218061 PMCID: PMC3013562 DOI: 10.4103/0250-474x.73922] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2009] [Accepted: 07/31/2010] [Indexed: 11/04/2022] Open
Abstract
Omeprazole pellets containing mucoadhesive tablets were developed by direct punch method. Three mucoadhesive polymers namely hydroxypropylemethylcellulose K4M, sodium carboxy methylcellulose, carbopol-934P and ethyl cellulose were used for preparation of tablets which intended for prolong action may be due to the attachment with intestinal mucosa for relief from active duodenal ulcer. Mucoadhesive tablets were coated with respective polymer and coated with Eudragit L100 to fabricate enteric coated tablets. The prepared tablets were evaluated for different physical parameters and dissolution study were performed in three dissolution mediums like 0.1N hydrochloric acid for 2h, pH 6.5 and pH 7.8 phosphate buffer solution for 12hr. Sodium carboxymethylcellulose showed above 95% release within 10 h where as carbopol-934P showed slow release about 88% to 92% over a period of 12 h. having excellent mucoadhesive strength but ethyl cellulose containing tablets showed less than 65% release. The release mechanism of all formulation was diffusion controlled confirmed from Higuchi's plot. Thus, the present study concluded that, carbopol-934P containing mucoadhesive tablets of omeprazole pellets can be used for local action in the ulcer disease as well as for oral controlled release drug delivery.
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Affiliation(s)
- A. Choudhury
- Department Pharmaceutics, GRY Institute of Pharmacy, Borawan, Khargone - 451 228, India
| | - S. Das
- Department Pharmaceutics, GRY Institute of Pharmacy, Borawan, Khargone - 451 228, India
| | - S. Bahadur
- Department Pharmaceutics, GRY Institute of Pharmacy, Borawan, Khargone - 451 228, India
| | - S. Saha
- Department Pharmaceutics, GRY Institute of Pharmacy, Borawan, Khargone - 451 228, India
| | - A. Roy
- Department Pharmaceutics, GRY Institute of Pharmacy, Borawan, Khargone - 451 228, India
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12
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Al-Badr AA. Omeprazole. PROFILES OF DRUG SUBSTANCES, EXCIPIENTS, AND RELATED METHODOLOGY 2010; 35:151-262. [PMID: 22469222 DOI: 10.1016/s1871-5125(10)35004-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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13
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Boyapally H, Nukala RK, Bhujbal P, Douroumis D. Controlled release from directly compressible theophylline buccal tablets. Colloids Surf B Biointerfaces 2010; 77:227-33. [PMID: 20188529 DOI: 10.1016/j.colsurfb.2010.01.031] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2009] [Revised: 01/03/2010] [Accepted: 01/28/2010] [Indexed: 11/30/2022]
Abstract
The aim of the current study was the development of theophylline buccal adhesive tablets using direct compression. Buccal adhesive formulations were developed using a water soluble resin with various combinations of mucoadhesive polymers. The prepared theophylline tablets were evaluated for tensile strength, swelling capacity and ex vivo mucoadhesion performance. Ex vivo mucoadhesion was assessed using porcine gingival tissue and the peak detachment forces were found to be suitable for a buccal adhesive tablet with a maximum of 1.5 N approximately. The effect of formulation composition on the release pattern was also investigated. Most formulations showed theophylline controlled release profiles depended on the grade and polymer ratio. The release mechanisms were found to fit Peppas' kinetic model over a period of 5h. In general the majority of the developed formulations presented suitable adhesion and controlled drug release.
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Affiliation(s)
- Harikrishna Boyapally
- Greenwich University, School of Science, Medway Campus, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK
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14
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Improving sublingual delivery of weak base compounds using pHmax concept: Application to propranolol. Eur J Pharm Sci 2010; 39:272-8. [DOI: 10.1016/j.ejps.2009.12.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2009] [Revised: 10/23/2009] [Accepted: 12/23/2009] [Indexed: 11/23/2022]
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15
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Munasur AP, Pillay V, Choonara YE, Mackraj I, Govender T. Comparing the Mucoadhesivity and Drug Release Mechanisms of Various Polymer-Containing Propranolol Buccal Tablets. Drug Dev Ind Pharm 2009; 34:189-98. [DOI: 10.1080/03639040701539842] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Asane GS, Nirmal SA, Rasal KB, Naik AA, Mahadik MS, Rao YM. Polymers for mucoadhesive drug delivery system: a current status. Drug Dev Ind Pharm 2009; 34:1246-66. [PMID: 18720139 DOI: 10.1080/03639040802026012] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
To overcome the relatively short gastrointestinal (GI) time and improve localization for oral controlled or sustained release drug delivery systems, bioadhesive polymers that adhere to the mucin/epithelial surface are effective and lead to significant improvement in oral drug delivery. Improvements are also expected for other mucus-covered sites of drug administration. Bioadhesive polymers find application in the eye, nose, and vaginal cavity as well as in the GI tract, including the buccal cavity and rectum. This article lays emphasis mainly on mucoadhesive polymers, their properties, and their applications in buccal, ocular, nasal, and vaginal drug delivery systems with its evaluation methods.
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Affiliation(s)
- G S Asane
- Department of Pharmaceutics, Pravara Rural College of Pharmacy, Loni, M.S., India.
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17
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Adhikary A, Vavia PR. Bioadhesive ranitidine hydrochloride for gastroretention with controlled microenvironmental pH. Drug Dev Ind Pharm 2008; 34:860-9. [PMID: 18618306 DOI: 10.1080/03639040801928812] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Ranitidine hydrochloride is a H(2) receptor blocker used in the treatment of gastric ulcers. Pharmacological factors, in addition to the dosage regimen, favor development of a sustained-release system for ranitidine especially in the therapeutic condition of erosive esophagitis. This investigation delves into the development of bioadhesive type of gastroretentive formulation (tablets) of ranitidine. The effect of mucoadhesive polymers such as Carbopol, hydroxypropyl methyl cellulose, and dextrose were studied. Mucoadhesion, in vitro drug release profile, water uptake, and swelling of the tablet were evaluated. Alkalizing agents were incorporated in an attempt to maintain an alkaline microenvironment within the tablet and improve the stability of the drug in acidic medium. The stability was evaluated using dye test and degradation studies. The drug release profiles were fit into various kinetic models.
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Affiliation(s)
- Anuradha Adhikary
- Department of Pharmaceutical Sciences and Technology, Mumbai University Institute of Chemical Technology, Matunga (E), Mumbai, Maharashtra, India
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18
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Gomez d’Ayala G, Malinconico M, Laurienzo P. Marine derived polysaccharides for biomedical applications: chemical modification approaches. Molecules 2008; 13:2069-106. [PMID: 18830142 PMCID: PMC6245343 DOI: 10.3390/molecules13092069] [Citation(s) in RCA: 236] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2008] [Revised: 07/02/2008] [Accepted: 07/25/2008] [Indexed: 12/26/2022] Open
Abstract
Polysaccharide-based biomaterials are an emerging class in several biomedical fields such as tissue regeneration, particularly for cartilage, drug delivery devices and gelentrapment systems for the immobilization of cells. Important properties of the polysaccharides include controllable biological activity, biodegradability, and their ability to form hydrogels. Most of the polysaccharides used derive from natural sources; particularly, alginate and chitin, two polysaccharides which have an extensive history of use in medicine, pharmacy and basic sciences, and can be easily extracted from marine plants (algae kelp) and crab shells, respectively. The recent rediscovery of poly-saccharidebased materials is also attributable to new synthetic routes for their chemical modification, with the aim of promoting new biological activities and/or to modify the final properties of the biomaterials for specific purposes. These synthetic strategies also involve the combination of polysaccharides with other polymers. A review of the more recent research in the field of chemical modification of alginate, chitin and its derivative chitosan is presented. Moreover, we report as case studies the results of our recent work concerning various different approaches and applications of polysaccharide-based biomaterials, such as the realization of novel composites based on calcium sulphate blended with alginate and with a chemically modified chitosan, the synthesis of novel alginate-poly(ethylene glycol) copolymers and the development of a family of materials based on alginate and acrylic polymers of potential interest as drug delivery systems.
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Affiliation(s)
| | | | - Paola Laurienzo
- Istituto di Chimica e Tecnologia dei Polimeri, C.N.R.-Via Campi Flegrei, 34- 80078 Pozzuoli (Naples), Italy
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19
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Munasur AP, Pillay V, Chetty DJ, Govender T. Statistical optimisation of the mucoadhesivity and characterisation of multipolymeric propranolol matrices for buccal therapy. Int J Pharm 2006; 323:43-51. [PMID: 16863686 DOI: 10.1016/j.ijpharm.2006.05.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2005] [Revised: 04/11/2006] [Accepted: 05/24/2006] [Indexed: 10/24/2022]
Abstract
A Box-Behnken experimental design was employed to optimise a polymeric blend for the preparation of propranolol HCl matrices with maximum mucoadhesivity and was thereafter modified for achieving controlled drug release. The quantitative effects of the polymers used i.e. poly(acrylic acid) (PAA) and poly(vinyl pyrrolidone) (PVP) on mucoadhesion could be predicted using polynomial equations. A formulation of 20% PAA, 20% CMC and 20% PVP was identified for maximising mucoadhesivity and obtaining a controlled drug release profile. Reproducibility of the optimal formulation in terms of mucoadhesivity and controlled drug release was confirmed. The optimal formulation was characterised in terms of mucoadhesivity, release kinetics, swelling/erosion, hydration dynamics and surface pH. From the model fitting analyses, drug release was found to be diffusion, polymeric relaxation and erosion based with the former two being more dominant over erosion. This was in agreement with the erosion and swelling studies which showed swelling and erosion occurring in the tablet matrix. Textural profiling showed initial rapid hydration, which could be beneficial for enhanced mucoadhesivity. Surface pH of the multipolymeric matrices was similar to salivary pH and did not show extremes in changes over the test period. The optimal preparation of multipolymeric propranolol matrices identified in this study shows potential for buccal administration.
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Affiliation(s)
- A P Munasur
- School of Pharmacy and Pharmacology, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa
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20
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Govender S, Pillay V, Chetty DJ, Essack SY, Dangor CM, Govender T. Optimisation and characterisation of bioadhesive controlled release tetracycline microspheres. Int J Pharm 2005; 306:24-40. [PMID: 16246512 DOI: 10.1016/j.ijpharm.2005.07.026] [Citation(s) in RCA: 109] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2005] [Revised: 07/21/2005] [Accepted: 07/22/2005] [Indexed: 11/23/2022]
Abstract
A Box-Behnken experimental design was employed to statistically optimise the formulation parameters of a tetracycline microsphere preparation for maximum bioadhesivity and controlled drug release. The quantitative effect of the formulation parameters at different levels on bioadhesion and drug release could be predicted using polynomial equations. A formulation comprising of 3% (w/w) chitosan, 10% (w/w) tetracycline HCl and 9% (w/v) tripolyphosphate was identified for maximising bioadhesivity and obtaining controlled drug release. The optimal microsphere preparation was subsequently characterised in terms of hydration dynamics, release kinetics, antimicrobial activity, thermal properties, morphology and surface pH. Kinetic models revealed that drug release followed Fickian diffusion while textural analysis showed minimal hydration over the test period. Antimicrobial studies showed that the drug concentrations in the in vitro release samples were above the minimum concentration of drug required for inhibition of Staphylococcus aureus growth. Thermal analyses showed a possible interaction between the drug and polymer. Scanning electron microscopy confirmed the integrity of the microspheres and identified the morphological changes following drug release. Surface pH of the microspheres was similar to salivary pH and did not show extremes in changes over the test period.
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Affiliation(s)
- S Govender
- School of Pharmacy and Pharmacology, University of KwaZulu-Natal, Private Bag X54001, Durban 4000, South Africa
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21
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Breitkreutz J. [Drug preparations of proton pump inhibitors]. PHARMAZIE IN UNSERER ZEIT 2005; 34:216-23. [PMID: 15940955 DOI: 10.1002/pauz.200500122] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Affiliation(s)
- Jörg Breitkreutz
- Heinrich-Heine-Universität Düsseldorf, Institut für Pharmazeutische Technologie und Biopharmazie.
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22
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Maffei P, Lombardi Borgia S, Sforzini A, Yasin A, Ronchi C, Ceschel G. Design and in vitro-in vivo evaluation of a bi-layered tablet containing benzocaine for local buccal administration. J Drug Deliv Sci Technol 2004. [DOI: 10.1016/s1773-2247(04)50065-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Holte Ø, Onsøyen E, Myrvold R, Karlsen J. Sustained release of water-soluble drug from directly compressed alginate tablets. Eur J Pharm Sci 2003; 20:403-7. [PMID: 14659484 DOI: 10.1016/j.ejps.2003.09.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The release of acetyl salicylic acid from directly compressed alginate tablets was investigated. The effect of the amount and type of alginate on the drug release rate was evaluated in different formulations. Four different grades of alginate were used. The in vitro release studies were carried out using the apparatus II (paddle) equipment as described in the USP 23/NF dissolution monograph. Dissolution medium was 0.1 M HCl for 2 h followed by phosphate buffer pH 6.8; both at 37 degrees C. Sustained drug release up to 16 h was achieved using sodium alginate in combination with dibasic calcium phosphate.
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Affiliation(s)
- Øyvind Holte
- Department of Pharmaceutics, Faculty of Mathematics and Natural Sciences, School of Pharmacy, University of Oslo, P.O. Box 1068, Blindern, N-0316 Oslo, Norway.
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