theophylline and methylcellulose

theophylline has been researched along with methylcellulose in 72 studies

Research

Studies (72)

Timeframe	Studies, this research(%)	All Research%
pre-1990	2 (2.78)	18.7374
1990's	8 (11.11)	18.2507
2000's	39 (54.17)	29.6817
2010's	22 (30.56)	24.3611
2020's	1 (1.39)	2.80

Authors

Authors	Studies
Goto, S; Uchida, T; Yasutake, T	1
Rasero, LJ; Skauen, DM	1
Ju, RT; Nixon, PR; Patel, MV	1
Fassihi, R; Kim, H	1
Gehrke, SH; Hussain, AS; Reynolds, TD; Shenouda, LS	1
Fassihi, R; Pillay, V	2
Frohoff-Hülsmann, MA; Lippold, BC; Schmitz, A	1
Ghaly, ES; Vargas, CI	1
Cheng, K; Song, X; Sun, L; Zhang, J; Zhu, J	1
Picker, KM	1
Bodmeier, R; Peppas, NA; Siepmann, J; Streubel, A	1
Peppas, NA; Siepmann, J	1
Roshdy, MN; Schnaare, RL; Schwartz, JB	1
Ito, K; Kondo, S; Kuzuya, M	1
Hiremath, R; Murthy, SN; Rani, S	1
Roshdy, MN; Schnaare, RL; Schwartz, JB; Sugita, ET	1
Kojima, M; Nakagami, H	2
Jones, BE; Podczeck, F	1
Picker, KM; Schmidt, AG; Wartewig, S	1
GRAHAM, HD; THOMAS, LB	1
Bodmeier, R; Pearnchob, N; Siepmann, J	1
Chambin, O; Champion, D; Debray, C; Le Meste, M; Pourcelot, Y; Rochat-Gonthier, MH	1
Gazzaniga, A; Giordano, F; Grassi, M; Maroni, A; Sangalli, ME; Zema, L	1
Chitropas, P; Mitrevej, A; Sinchaipanid, N	1
Bodmeier, R; MacRae, RJ; Siepmann, F; Siepmann, J; Walther, M	1
Chikazawa, M; Fuji, M; Ohta, KM; Takei, T	1
Cerea, M; Dietzsch, C; Farrell, T; Fegely, KA; McGinity, JW; Rajabi-Siahboomi, A; Young, CR	1
Chambin, O; Pourcelot, Y; Rochat-Gonthier, MH; Rota, A	1
Harder, K; Kablitz, CD; Urbanetz, NA	1
Cortesi, A; Grassi, M; Kikic, I; Moneghini, M; Perissutti, B; Princivalle, F	1
Ahmed, SU; Khairuzzaman, A; Patel, NK; Savva, M	1
Bodmeier, R; MacRae, R; Siepmann, F; Siepmann, J; Walther, M	1
Limmatvapirat, S; Paeratakul, O; Puttipipatkhachorn, S; Sungthongjeen, S	1
Choi, HK; Chun, MK; Park, SH	1
Ikeda, Y; Kamaguchi, R; Kataoka, M; Kokubo, H; Kozaki, T; Masaoka, Y; Sakuma, S; Tanno, FK; Yamashita, S	1
Balwinski, KM; Mitchell, SA	2
Carroll, WJ; Taylor, LS; Wikström, H	1
Escudero, JJ; Ferrero, C; Jiménez-Castellanos, MR	2
Barba, AA; Cascone, S; Chirico, S; d'Amore, M; Lamberti, G; Titomanlio, G	1
Kataoka, M; Kokubo, H; Masaoka, Y; Ogura, R; Sakuma, S; Tanno, FK; Yamashita, S	1
Azad, MA; Chowdhury, JA; Ibn Razzak, SM; Khan, F; Khan, ZR; Reza, S	1
Chowdary, KA; Mallick, S; Pattnaik, S; Swain, K	1
Fassihi, R; Liu, Q	1
Djuric, Z; Ibric, S; Petrovic, A; Popadic, D; Popovic, R; Trajkovic, S	1
Ghaly, ES; Gonzalez, YM	1
Antal, I; Ashour, KO; Fenyvesi, Z; Klebovich, I; Marton, S; Müller, U; Zelkó, R	1
Kablitz, CD; Urbanetz, NA	2
Cvetkovic, N; Djuric, Z; Ibric, S; Petrovic, A; Popadic, D; Popovic, R; Trajkovic, S	1
Aliakbar, R; Desai, S; Javadzadeh, Y; Nokhodchi, A	1
Drefko, W; Moroni, A; Thone, G	1
Barba, AA; Galdi, I; Lamberti, G	1
Abrahmsén-Alami, S; Larsson, A; Viridén, A; Wittgren, B	1
Piriyaprasarth, S; Sriamornsak, P	1
Liu, H; Liu, YL; Nie, SF; Pan, WS	1
Papadokostaki, KG; Sanopoulou, M; Soulas, DN	1
Ford, JL; Levina, M; Mohamed, FA; Rajabi-Siahboomi, AR; Roberts, M; Seton, L	2
Djemai, A; Gendron, CM; Kogan, J; Li, L; Ma, D; Smith, M; Xi, H	1
Mamani, PL; Ruiz-Caro, R; Veiga, MD	1
Aguilar-de-Leyva, A; Caraballo, I; Contreras, L; Melgoza, LM	1
Cascone, S; Iannaccone, M; Lamberti, G; Titomanlio, G	1
Gehrke, M; Karrout, Y; Penz, FK; Siepmann, F; Siepmann, J	1
Asare-Addo, K; Conway, BR; Ghori, MU; Kaialy, W; Laity, PR; Levina, M; Nokhodchi, A; Rajabi-Siahboomi, A; Supuk, E	1
Asare-Addo, K; Emami, P; Kaialy, W; Nokhodchi, A; Shojaee, S	1
Fussell, A; Garbacik, E; Kleinebudde, P; Offerhaus, H; Strachan, C	1
Ahmed, AR; Bodmeier, R; Dashevskiy, A; Irfan, M; Kolter, K	1
Acevedo, NC; Cheng, Y; Jiang, X; Qin, H; Shi, X	1

Other Studies

72 other study(ies) available for theophylline and methylcellulose

Article	Year
Utility of mixture of commercially available polymers as constituents of sustained-release microcapsules containing cefadroxil or theophylline. Chemical & pharmaceutical bulletin, 1992, Volume: 40, Issue:2 Topics: Administration, Oral; Animals; Cefadroxil; Cellulose; Delayed-Action Preparations; Dogs; Drug Compounding; Intestinal Absorption; Male; Methylcellulose; Theophylline	1992
Effect of gamma radiation on selected pharmaceuticals. Journal of pharmaceutical sciences, 1967, Volume: 56, Issue:6 Topics: Acetone; Chlorine; Chlorobutanol; Cobalt Isotopes; Hydrogen Peroxide; Hydrogen-Ion Concentration; Methylcellulose; Radiation Effects; Solutions; Theophylline; Viscosity	1967
Drug release from hydrophilic matrices. 1. New scaling laws for predicting polymer and drug release based on the polymer disentanglement concentration and the diffusion layer. Journal of pharmaceutical sciences, 1995, Volume: 84, Issue:12 Topics: Benzodiazepines; Chemistry, Pharmaceutical; Delayed-Action Preparations; Hypromellose Derivatives; Methylcellulose; Models, Chemical; Molecular Weight; Solubility; Tablets; Theophylline	1995
Application of binary polymer system in drug release rate modulation. 2. Influence of formulation variables and hydrodynamic conditions on release kinetics. Journal of pharmaceutical sciences, 1997, Volume: 86, Issue:3 Topics: Delayed-Action Preparations; Diltiazem; Kinetics; Lactose; Methylcellulose; Molecular Weight; Nifedipine; Oxazines; Pectins; Prednisolone; Pressure; Solubility; Tablets; Theophylline	1997
Polymer erosion and drug release characterization of hydroxypropyl methylcellulose matrices. Journal of pharmaceutical sciences, 1998, Volume: 87, Issue:9 Topics: Chemistry, Pharmaceutical; Drug Stability; Hypromellose Derivatives; Methylcellulose; Propranolol; Tablets; Theophylline	1998
Evaluation and comparison of dissolution data derived from different modified release dosage forms: an alternative method. Journal of controlled release : official journal of the Controlled Release Society, 1998, Oct-30, Volume: 55, Issue:1 Topics: Algorithms; Chemistry, Pharmaceutical; Delayed-Action Preparations; Hypromellose Derivatives; Methylcellulose; Nifedipine; Osmolar Concentration; Solubility; Theophylline	1998
Aqueous ethyl cellulose dispersions containing plasticizers of different water solubility and hydroxypropyl methylcellulose as coating material for diffusion pellets. I. Drug release rates from coated pellets. International journal of pharmaceutics, 1999, Jan-15, Volume: 177, Issue:1 Topics: Cellulose; Drug Implants; Lactose; Methylcellulose; Osmolar Concentration; Oxazines; Plasticizers; Solubility; Tablets, Enteric-Coated; Temperature; Theophylline; Water	1999
Kinetic release of theophylline from hydrophilic swellable matrices. Drug development and industrial pharmacy, 1999, Volume: 25, Issue:9 Topics: Administration, Oral; Excipients; Lactose; Methylcellulose; Models, Theoretical; Oxazines; Polymers; Solubility; Solvents; Stearic Acids; Tablets; Theophylline; Time Factors	1999
Studies of hydroxypropyl methylcellulose donut-shaped tablets. Drug development and industrial pharmacy, 1999, Volume: 25, Issue:9 Topics: Diltiazem; Lactose; Methylcellulose; Oxazines; Solubility; Tablets; Theophylline; Time Factors	1999
In situ electrolyte interactions in a disk-compressed configuration system for up-curving and constant drug delivery. Journal of controlled release : official journal of the Controlled Release Society, 2000, Jun-15, Volume: 67, Issue:1 Topics: Diltiazem; Drug Delivery Systems; Electrolytes; Hydrogen-Ion Concentration; Hypromellose Derivatives; Kinetics; Methylcellulose; Molecular Weight; Polyethylene Glycols; Solubility; Tablets, Enteric-Coated; Theophylline	2000
A new theoretical model to characterize the densification behavior of tableting materials. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2000, Volume: 49, Issue:3 Topics: Algorithms; Calcium Phosphates; Cellulose; Drug Compounding; Excipients; Hypromellose Derivatives; Methylcellulose; Models, Theoretical; Pressure; Tablets; Theophylline; Time Factors	2000
Bimodal drug release achieved with multi-layer matrix tablets: transport mechanisms and device design. Journal of controlled release : official journal of the Controlled Release Society, 2000, Dec-03, Volume: 69, Issue:3 Topics: Acetaminophen; Biological Transport; Chemistry, Pharmaceutical; Drug Delivery Systems; Methylcellulose; Tablets; Theophylline	2000
Hydrophilic matrices for controlled drug delivery: an improved mathematical model to predict the resulting drug release kinetics (the "sequential layer" model). Pharmaceutical research, 2000, Volume: 17, Issue:10 Topics: Chemistry, Pharmaceutical; Chlorpheniramine; Delayed-Action Preparations; Diffusion; Hypromellose Derivatives; Kinetics; Methylcellulose; Models, Chemical; Reproducibility of Results; Solubility; Theophylline; Water	2000
A novel method for measuring gel strength of controlled release hydrogel tablets using a cone/plate rheometer. Pharmaceutical development and technology, 2001, Volume: 6, Issue:1 Topics: Bronchodilator Agents; Delayed-Action Preparations; Hydrogels; Hypromellose Derivatives; Methylcellulose; Rheology; Tablets; Theophylline	2001
A new drug delivery system using plasma-irradiated pharmaceutical aids. IX. Controlled-release of theophylline from double-compressed tablet composed of cellulose derivatives as wall material. Chemical & pharmaceutical bulletin, 2001, Volume: 49, Issue:12 Topics: Argon; Drug Compounding; Drug Delivery Systems; Lactose; Methylcellulose; Microscopy, Electron, Scanning; Oxazines; Pressure; Solubility; Spectrometry, Mass, Electrospray Ionization; Tablets; Theophylline	2001
Formulation and evaluation of controlled-release transdermal patches of theophylline-salbutamol sulfate. Drug development and industrial pharmacy, 2001, Volume: 27, Issue:10 Topics: Absorption; Administration, Cutaneous; Adolescent; Adult; Albuterol; Animals; Bronchodilator Agents; Delayed-Action Preparations; Drug Combinations; Female; Guinea Pigs; Humans; Hypromellose Derivatives; Male; Methylcellulose; Saliva; Theophylline	2001
The effect of controlled release tablet performance and hydrogel strength on in vitro/in vivo correlation. Pharmaceutical development and technology, 2002, Volume: 7, Issue:2 Topics: Acrylic Resins; Animals; Cellulose; Chemistry, Pharmaceutical; Delayed-Action Preparations; Dogs; Hydrogel, Polyethylene Glycol Dimethacrylate; Lactose; Male; Methylcellulose; Oxazines; Polyvinyls; Solubility; Tablets; Theophylline	2002
Development of controlled release matrix pellets by annealing with micronized water-insoluble or enteric polymers. Journal of controlled release : official journal of the Controlled Release Society, 2002, Aug-21, Volume: 82, Issue:2-3 Topics: Cellulose; Drug Compounding; Drug Implants; Drug Stability; Excipients; Hardness; Methylcellulose; Microscopy, Electron, Scanning; Particle Size; Polymers; Solubility; Temperature; Theophylline; Water; X-Ray Diffraction	2002
The in vitro dissolution of theophylline from different types of hard shell capsules. Drug development and industrial pharmacy, 2002, Volume: 28, Issue:9 Topics: Administration, Oral; Analysis of Variance; Capsules; Chemistry, Pharmaceutical; Drug Compounding; Excipients; Gelatin; Hypromellose Derivatives; Methylcellulose; Polyethylene Glycols; Powders; Solubility; Theophylline; Water	2002
Investigation of water mobility and diffusivity in hydrating micronized low-substituted hydroxypropyl cellulose, hydroxypropylmethyl cellulose, and hydroxypropyl cellulose matrix tablets by magnetic resonance imaging (MRI). Chemical & pharmaceutical bulletin, 2002, Volume: 50, Issue:12 Topics: Cellulose; Chemical Phenomena; Chemistry, Physical; Drug Carriers; Drug Compounding; Gels; Hypromellose Derivatives; Kinetics; Magnetic Resonance Spectroscopy; Methylcellulose; Procainamide; Tablets; Theophylline; Water	2002
Potential of carrageenans to protect drugs from polymorphic transformation. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2003, Volume: 56, Issue:1 Topics: Carrageenan; Cellulose; Chemistry, Pharmaceutical; Crystallization; Excipients; Hypromellose Derivatives; Indomethacin; Methylcellulose; Models, Chemical; Powders; Spectrum Analysis, Raman; Tablets; Theophylline	2003
Interaction of carrageenan and other hydrocolloids with alkaloids. II. Equilibrium dialysis studies. Journal of pharmaceutical sciences, 1962, Volume: 51 Topics: Acacia; Alkaloids; Atropa belladonna; Caffeine; Carrageenan; Colloids; Dialysis; Methylcellulose; Parasympatholytics; Pectins; Polysaccharides; Quinine; Renal Dialysis; Resins, Synthetic; Theophylline	1962
Pharmaceutical applications of shellac: moisture-protective and taste-masking coatings and extended-release matrix tablets. Drug development and industrial pharmacy, 2003, Volume: 29, Issue:8 Topics: Acetaminophen; Aspirin; Delayed-Action Preparations; Drug Stability; Humans; Hypromellose Derivatives; Methylcellulose; Resins, Plant; Solubility; Taste; Theophylline; Verapamil; Wettability	2003
Effects of different cellulose derivatives on drug release mechanism studied at a preformulation stage. Journal of controlled release : official journal of the Controlled Release Society, 2004, Feb-20, Volume: 95, Issue:1 Topics: Algorithms; Cellulose; Chemistry, Pharmaceutical; Drug Carriers; Excipients; Hypromellose Derivatives; Magnetic Resonance Spectroscopy; Methylcellulose; Microscopy, Electron, Scanning; Pharmaceutical Preparations; Powders; Solubility; Tablets; Theophylline	2004
Modeling of drug release from partially coated matrices made of a high viscosity HPMC. International journal of pharmaceutics, 2004, May-19, Volume: 276, Issue:1-2 Topics: Drug Delivery Systems; Dyphylline; Hypromellose Derivatives; Methylcellulose; Models, Theoretical; Tablets; Theophylline; Vasodilator Agents	2004
Influences of layering on theophylline pellet characteristics. Pharmaceutical development and technology, 2004, Volume: 9, Issue:2 Topics: Cellulose; Drug Compounding; Excipients; Hypromellose Derivatives; Methylcellulose; Particle Size; Powders; Surface Properties; Suspensions; Tablets, Enteric-Coated; Theophylline; Time Factors; X-Ray Diffraction	2004
Blends of aqueous polymer dispersions used for pellet coating: importance of the particle size. Journal of controlled release : official journal of the Controlled Release Society, 2005, Jul-20, Volume: 105, Issue:3 Topics: Cellulose; Chemical Phenomena; Chemistry, Physical; Chromatography, High Pressure Liquid; Dosage Forms; Drug Carriers; Drug Stability; Emulsions; Hardness Tests; Kinetics; Methylcellulose; Microscopy, Electron, Scanning; Particle Size; Plasticizers; Polymers; Polymethacrylic Acids; Surface Properties; Theophylline	2005
Development of a simple method for the preparation of a silica gel based controlled delivery system with a high drug content. European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 2005, Volume: 26, Issue:1 Topics: Cellulose; Chemistry, Pharmaceutical; Delayed-Action Preparations; Dose-Response Relationship, Drug; Drug Carriers; Drug Stability; Gels; Methylcellulose; Polyethylene Glycols; Porosity; Silica Gel; Silicon Dioxide; Solubility; Surface-Active Agents; Theophylline; Time Factors	2005
Physicochemical characterization and mechanisms of release of theophylline from melt-extruded dosage forms based on a methacrylic acid copolymer. International journal of pharmaceutics, 2005, Sep-14, Volume: 301, Issue:1-2 Topics: Acrylates; Algorithms; Bronchodilator Agents; Chemical Phenomena; Chemistry, Physical; Chromatography, High Pressure Liquid; Delayed-Action Preparations; Dosage Forms; Drug Stability; Excipients; Hydrogen-Ion Concentration; Hypromellose Derivatives; Methylcellulose; Polymethacrylic Acids; Powders; Solubility; Theophylline; Thermogravimetry	2005
Performance of multilayered particles: influence of a thin cushioning layer. Drug development and industrial pharmacy, 2005, Volume: 31, Issue:8 Topics: Cellulose; Chemistry, Pharmaceutical; Drug Compounding; Excipients; Hypromellose Derivatives; Methylcellulose; Solubility; Tablets, Enteric-Coated; Theophylline	2005
Dry coating in a rotary fluid bed. European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 2006, Volume: 27, Issue:2-3 Topics: Adhesiveness; Chemistry, Pharmaceutical; Citrates; Drug Stability; Hydrogen-Ion Concentration; Methylcellulose; Particle Size; Plasticizers; Polymers; Powders; Quality Control; Solubility; Tablets, Enteric-Coated; Theophylline	2006
Preparation of theophylline-hydroxypropylmethylcellulose matrices using supercritical antisolvent precipitation: a preliminary study. Drug development and industrial pharmacy, 2006, Volume: 32, Issue:1 Topics: Calorimetry, Differential Scanning; Chemical Precipitation; Hypromellose Derivatives; Methylcellulose; Models, Theoretical; Solubility; Tablets; Technology, Pharmaceutical; Theophylline; X-Ray Diffraction	2006
Zero-order release of aspirin, theophylline and atenolol in water from novel methylcellulose glutarate matrix tablets. International journal of pharmaceutics, 2006, Aug-02, Volume: 318, Issue:1-2 Topics: Adrenergic beta-Antagonists; Adsorption; Anti-Inflammatory Agents, Non-Steroidal; Aspirin; Atenolol; Bronchodilator Agents; Calorimetry, Differential Scanning; Chemistry, Pharmaceutical; Excipients; Glutarates; Magnetic Resonance Spectroscopy; Methylcellulose; Solubility; Spectroscopy, Fourier Transform Infrared; Tablets; Theophylline; Viscosity	2006
Aqueous HPMCAS coatings: effects of formulation and processing parameters on drug release and mass transport mechanisms. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2006, Volume: 63, Issue:3 Topics: Chemistry, Pharmaceutical; Diffusion; Methylcellulose; Solubility; Tablets, Enteric-Coated; Technology, Pharmaceutical; Theophylline	2006
Preparation and in vitro evaluation of a multiple-unit floating drug delivery system based on gas formation technique. International journal of pharmaceutics, 2006, Nov-06, Volume: 324, Issue:2 Topics: Acrylic Resins; Delayed-Action Preparations; Gastric Emptying; Hypromellose Derivatives; Methacrylates; Methylcellulose; Polymers; Sodium Bicarbonate; Solubility; Theophylline	2006
Preparation of an extended-release matrix tablet using chitosan/Carbopol interpolymer complex. International journal of pharmaceutics, 2008, Jan-22, Volume: 347, Issue:1-2 Topics: Acrylates; Biological Availability; Calorimetry, Differential Scanning; Chitosan; Delayed-Action Preparations; Excipients; Hydrogen-Ion Concentration; Hypromellose Derivatives; Kinetics; Methylcellulose; Molecular Weight; Nephelometry and Turbidimetry; Polymers; Spectroscopy, Fourier Transform Infrared; Tablets; Theophylline; Water	2008
Site-specific drug delivery to the middle region of the small intestine by application of enteric coating with hypromellose acetate succinate (HPMCAS). Journal of pharmaceutical sciences, 2008, Volume: 97, Issue:7 Topics: Animals; Drug Carriers; Excipients; Hydrogen-Ion Concentration; Intestine, Small; Macaca mulatta; Male; Methylcellulose; Rats; Rats, Wistar; Solubility; Sulfasalazine; Tablets, Enteric-Coated; Theophylline; Tissue Distribution	2008
A framework to investigate drug release variability arising from hypromellose viscosity specifications in controlled release matrix tablets. Journal of pharmaceutical sciences, 2008, Volume: 97, Issue:6 Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Carriers; Drug Compounding; Hydrochlorothiazide; Hypromellose Derivatives; Kinetics; Lactose; Methylcellulose; Models, Chemical; Molecular Weight; Pentoxifylline; Pharmaceutical Preparations; Solubility; Tablets; Technology, Pharmaceutical; Theophylline; Viscosity	2008
Investigation of hypromellose particle size effects on drug release from sustained release hydrophilic matrix tablets. Drug development and industrial pharmacy, 2007, Volume: 33, Issue:9 Topics: Acetaminophen; Caffeine; Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Carriers; Excipients; Hydrochlorothiazide; Hypromellose Derivatives; Ketoprofen; Methylcellulose; Metoprolol; Molecular Weight; Particle Size; Solubility; Tablets; Theophylline; Viscosity	2007
Manipulating theophylline monohydrate formation during high-shear wet granulation through improved understanding of the role of pharmaceutical excipients. Pharmaceutical research, 2008, Volume: 25, Issue:4 Topics: Chemistry, Pharmaceutical; Crystallization; Drug Compounding; Excipients; Hypromellose Derivatives; Kinetics; Methylcellulose; Models, Chemical; Solubility; Spectrum Analysis, Raman; Technology, Pharmaceutical; Theophylline; Water	2008
Compaction properties, drug release kinetics and fronts movement studies from matrices combining mixtures of swellable and inert polymers: effect of HPMC of different viscosity grades. International journal of pharmaceutics, 2008, Mar-03, Volume: 351, Issue:1-2 Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Carriers; Freeze Drying; Hypromellose Derivatives; Methylcellulose; Methylmethacrylate; Porosity; Tablets; Theophylline; Viscosity; Water	2008
On the behavior of HPMC/Theophylline matrices for controlled drug delivery. Journal of pharmaceutical sciences, 2009, Volume: 98, Issue:11 Topics: Diffusion; Drug Carriers; Drug Delivery Systems; Hydrogel, Polyethylene Glycol Dimethacrylate; Hypromellose Derivatives; Methylcellulose; Models, Chemical; Powders; Solubility; Temperature; Theophylline; Time Factors; Water	2009
Correlation between in vitro dissolution profiles from enteric-coated dosage forms and in vivo absorption in rats for high-solubility and high-permeability model drugs. Journal of pharmaceutical sciences, 2009, Volume: 98, Issue:11 Topics: Absorption; Acetaminophen; Animals; Antipyrine; Dosage Forms; Drug Carriers; Drug Delivery Systems; Drug Evaluation, Preclinical; Excipients; Hydrogen-Ion Concentration; Hypromellose Derivatives; Intestine, Small; Male; Methylcellulose; Permeability; Rats; Rats, Wistar; Solubility; Theophylline	2009
Theophylline loaded gastroretentive floating tablets based on hydrophilic polymers: preparation and in vitro evaluation. Pakistan journal of pharmaceutical sciences, 2009, Volume: 22, Issue:2 Topics: Chemistry, Pharmaceutical; Citric Acid; Delayed-Action Preparations; Diffusion; Drug Carriers; Drug Compounding; Gastric Mucosa; Gels; Kinetics; Methylcellulose; Models, Chemical; Sodium Bicarbonate; Solubility; Tablets; Theophylline	2009
Influence of hydroxypropyl methylcellulose on drug release pattern of a gastroretentive floating drug delivery system using a 3(2) full factorial design. Pharmaceutical development and technology, 2009, Volume: 14, Issue:2 Topics: Bronchodilator Agents; Diffusion; Drug Carriers; Hypromellose Derivatives; Methylcellulose; Multivariate Analysis; Tablets; Theophylline; Time Factors; Viscosity	2009
Application of a novel symmetrical shape factor to gastroretentive matrices as a measure of swelling synchronization and its impact on drug release kinetics under standard and modified dissolution conditions. The Journal of pharmacy and pharmacology, 2009, Volume: 61, Issue:7 Topics: Delayed-Action Preparations; Diltiazem; Drug Carriers; Excipients; Hypromellose Derivatives; Kinetics; Methylcellulose; Polyethylene Glycols; Povidone; Quinazolines; Solubility; Tablets; Technology, Pharmaceutical; Theophylline	2009
An investigation into effects of in vitro test condition on the release properties of theophylline from HPMC matrices using factorial design. Archives of pharmacal research, 2009, Volume: 32, Issue:7 Topics: Aminophylline; Capsules; Chemistry, Pharmaceutical; Delayed-Action Preparations; Diffusion; Drug Carriers; Drug Combinations; Hydrogen-Ion Concentration; Hypromellose Derivatives; Kinetics; Methylcellulose; Models, Chemical; Solubility; Technology, Pharmaceutical; Theophylline; Viscosity	2009
Modified drug release of poloxamer matrix by including water-soluble and water-insoluble polymer. Drug development and industrial pharmacy, 2010, Volume: 36, Issue:1 Topics: Acrylic Resins; Delayed-Action Preparations; Diffusion; Drug Delivery Systems; Excipients; Feasibility Studies; Hypromellose Derivatives; Methylcellulose; Poloxamer; Solubility; Tablets; Theophylline; Time Factors; Water	2010
Impact of crystalline form changing on behavior of microcapsules prepared from three-component gel system. Pharmaceutical development and technology, 2010, Volume: 15, Issue:6 Topics: Alginates; Bronchodilator Agents; Capsules; Cellulose; Crystallization; Gels; Glucuronic Acid; Hexuronic Acids; Hypromellose Derivatives; Methylcellulose; Models, Chemical; Polymers; Theophylline; Water	2010
Stability of dry coated solid dosage forms. Pharmaceutical development and technology, 2009, Volume: 14, Issue:6 Topics: Adhesiveness; Chemistry, Pharmaceutical; Citrates; Dosage Forms; Drug Compounding; Drug Stability; Humidity; Hydrogen-Ion Concentration; Methylcellulose; Monoglycerides; Powders; Rheology; Silicon Dioxide; Tablets, Enteric-Coated; Talc; Temperature; Theophylline	2009
Compaction properties, drug release kinetics and fronts movement studies from matrices combining mixtures of swellable and inert polymers. II. Effect of HPMC with different degrees of methoxy/hydroxypropyl substitution. International journal of pharmaceutics, 2010, Mar-15, Volume: 387, Issue:1-2 Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Diffusion; Drug Delivery Systems; Excipients; Hypromellose Derivatives; Kinetics; Methylcellulose; Methylmethacrylate; Tablets; Theophylline	2010
Application of mixture experimental design in the formulation and optimization of matrix tablets containing carbomer and hydroxy-propylmethylcellulose. Archives of pharmacal research, 2009, Volume: 32, Issue:12 Topics: Acrylates; Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Design; Excipients; Hypromellose Derivatives; Kinetics; Methylcellulose; Solubility; Spectrophotometry, Ultraviolet; Tablets; Theophylline	2009
Liquisolid compacts: the effect of cosolvent and HPMC on theophylline release. Colloids and surfaces. B, Biointerfaces, 2010, Aug-01, Volume: 79, Issue:1 Topics: Bronchodilator Agents; Calorimetry, Differential Scanning; Delayed-Action Preparations; Drug Delivery Systems; Excipients; Kinetics; Lactose; Methylcellulose; Polyethylene Glycols; Propylene Glycol; Solubility; Solvents; Tablets; Technology, Pharmaceutical; Theophylline	2010
Formulations of zero-order, pH-dependent, sustained release matrix systems by ionotropic gelation of alginate-containing mixtures. Drug development and industrial pharmacy, 2011, Volume: 37, Issue:2 Topics: Alginates; Calcium; Delayed-Action Preparations; Diclofenac; Drug Stability; Excipients; Gels; Glucuronic Acid; Hexuronic Acids; Hydrogen-Ion Concentration; Hypromellose Derivatives; Methylcellulose; Polysaccharides, Bacterial; Propranolol; Solubility; Tablets; Theophylline; Time Factors	2011
Controlled release from hydrogel-based solid matrices. A model accounting for water up-take, swelling and erosion. International journal of pharmaceutics, 2011, Apr-04, Volume: 407, Issue:1-2 Topics: Delayed-Action Preparations; Diffusion; Drug Delivery Systems; Finite Element Analysis; Hydrogels; Hypromellose Derivatives; Methylcellulose; Models, Theoretical; Reproducibility of Results; Solvents; Theophylline; Water	2011
Release of theophylline and carbamazepine from matrix tablets--consequences of HPMC chemical heterogeneity. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2011, Volume: 78, Issue:3 Topics: Carbamazepine; Drug Carriers; Drug Compounding; Drug Delivery Systems; Excipients; Hypromellose Derivatives; Methylcellulose; Particle Size; Pharmacokinetics; Polymers; Porosity; Powders; Solubility; Tablets; Theophylline	2011
Effect of source variation on drug release from HPMC tablets: linear regression modeling for prediction of drug release. International journal of pharmaceutics, 2011, Jun-15, Volume: 411, Issue:1-2 Topics: Bronchodilator Agents; Caffeine; Central Nervous System Stimulants; Compressive Strength; Drug Compounding; Drug Design; Drug Industry; Excipients; Forecasting; Hypromellose Derivatives; Linear Models; Methylcellulose; Models, Chemical; Molecular Weight; Pharmaceutical Preparations; Solubility; Tablets; Theobromine; Theophylline; Viscosity	2011
[Comparison of the characteristics of several polymer materials used in hydrophilic matrix tablets]. Yao xue xue bao = Acta pharmaceutica Sinica, 2011, Volume: 46, Issue:3 Topics: Alginates; Bronchodilator Agents; Delayed-Action Preparations; Drug Carriers; Drug Compounding; Drug Delivery Systems; Excipients; Glucuronic Acid; Hexuronic Acids; Hypromellose Derivatives; Methylcellulose; Molecular Weight; Polyethylene Glycols; Polymers; Polysaccharides, Bacterial; Tablets; Theophylline; Water	2011
Evaluating the process parameters of the dry coating process using a 2(5-1) factorial design. Pharmaceutical development and technology, 2013, Volume: 18, Issue:1 Topics: Citrates; Dosage Forms; Drug Compounding; Equipment Design; Excipients; Linear Models; Methylcellulose; Monoglycerides; Plasticizers; Technology, Pharmaceutical; Temperature; Theophylline	2013
Proxyphylline release kinetics from symmetrical three-layer silicone rubber matrices: effect of different excipients in the outer rate-controlling layers. International journal of pharmaceutics, 2012, May-10, Volume: 427, Issue:2 Topics: Absorption; Algorithms; Chemistry, Pharmaceutical; Delayed-Action Preparations; Dimethylpolysiloxanes; Drug Design; Excipients; Kinetics; Methylcellulose; Microscopy, Electron, Scanning; Osmolar Concentration; Permeability; Polyethylene Glycols; Silicone Elastomers; Sodium Chloride; Solubility; Theophylline; Water	2012
The influence of HPMC concentration on release of theophylline or hydrocortisone from extended release mini-tablets. Drug development and industrial pharmacy, 2013, Volume: 39, Issue:8 Topics: Delayed-Action Preparations; Hydrocortisone; Hypromellose Derivatives; Methylcellulose; Solubility; Tablets; Tensile Strength; Theophylline	2013
Development of a HPMC-based controlled release formulation with hot melt extrusion (HME). Drug development and industrial pharmacy, 2013, Volume: 39, Issue:7 Topics: Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Stability; Excipients; Hypromellose Derivatives; Methylcellulose; Models, Theoretical; Propylene Glycol; Solubility; Technology, Pharmaceutical; Temperature; Theophylline; Torque	2013
Matrix tablets: the effect of hydroxypropyl methylcellulose/anhydrous dibasic calcium phosphate ratio on the release rate of a water-soluble drug through the gastrointestinal tract I. In vitro tests. AAPS PharmSciTech, 2012, Volume: 13, Issue:4 Topics: Body Fluids; Calcium Phosphates; Chemistry, Pharmaceutical; Delayed-Action Preparations; Drug Delivery Systems; Excipients; Gastrointestinal Tract; Hydrogen-Ion Concentration; Hypromellose Derivatives; Methylcellulose; Solubility; Tablets; Theophylline; Water	2012
Collaboration between HPMC and NaCMC in order to reach the polymer critical point in theophylline hydrophilic matrices. TheScientificWorldJournal, 2012, Volume: 2012 Topics: Carboxymethylcellulose Sodium; Hydrophobic and Hydrophilic Interactions; Hypromellose Derivatives; Methylcellulose; Microscopy, Electron, Scanning; Polymers; Solubility; Theophylline	2012
Production of extended release mini-tablets using directly compressible grades of HPMC. Drug development and industrial pharmacy, 2013, Volume: 39, Issue:11 Topics: Anti-Inflammatory Agents; Bronchodilator Agents; Chemical Phenomena; Delayed-Action Preparations; Drug Compounding; Excipients; Hydrocortisone; Hypromellose Derivatives; Kinetics; Mechanical Phenomena; Methylcellulose; Microscopy, Electron, Scanning; Models, Molecular; Particle Size; Quality Control; Solubility; Surface Properties; Tablets; Tensile Strength; Theophylline	2013
In vitro simulation of drug intestinal absorption. International journal of pharmaceutics, 2012, Dec-15, Volume: 439, Issue:1-2 Topics: Delayed-Action Preparations; Excipients; Hypromellose Derivatives; Intestinal Absorption; Intestinal Mucosa; Kinetics; Methylcellulose; Models, Biological; Pharmaceutical Preparations; Solubility; Tablets; Theophylline	2012
Predicting drug release from HPMC/lactose tablets. International journal of pharmaceutics, 2013, Jan-30, Volume: 441, Issue:1-2 Topics: Diffusion; Excipients; Hydrogen-Ion Concentration; Hypromellose Derivatives; Lactose; Methylcellulose; Models, Theoretical; Reproducibility of Results; Solubility; Tablets; Theophylline	2013
The influence of agitation sequence and ionic strength on in vitro drug release from hypromellose (E4M and K4M) ER matrices--the use of the USP III apparatus. Colloids and surfaces. B, Biointerfaces, 2013, Apr-01, Volume: 104 Topics: Chemistry, Pharmaceutical; Hydrogen-Ion Concentration; Hypromellose Derivatives; Methylcellulose; Osmolar Concentration; Particle Size; Polymers; Solubility; Static Electricity; Surface Properties; Tablets; Theophylline	2013
Psyllium: a promising polymer for sustained release formulations in combination with HPMC polymers. Pharmaceutical development and technology, 2014, Volume: 19, Issue:3 Topics: Bronchodilator Agents; Delayed-Action Preparations; Hypromellose Derivatives; Methylcellulose; Psyllium; Solubility; Theophylline	2014
In situ dissolution analysis using coherent anti-Stokes Raman scattering (CARS) and hyperspectral CARS microscopy. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2013, Volume: 85, Issue:3 Pt B Topics: Chemistry, Pharmaceutical; Crystallization; Excipients; Methylcellulose; Microscopy; Oscillometry; Polymers; Solubility; Spectrophotometry, Ultraviolet; Spectrum Analysis, Raman; Surface Properties; Tablets; Theophylline	2013
Curing mechanism of flexible aqueous polymeric coatings. European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 2017, Volume: 115 Topics: Drug Compounding; Drug Implants; Drug Liberation; Excipients; Humidity; Lactose; Methylcellulose; Metoprolol; Plasticizers; Polymers; Polyvinyls; Propranolol; Temperature; Theophylline; Tramadol; Water	2017
3D printing of extended-release tablets of theophylline using hydroxypropyl methylcellulose (HPMC) hydrogels. International journal of pharmaceutics, 2020, Dec-15, Volume: 591 Topics: Delayed-Action Preparations; Hydrogels; Hypromellose Derivatives; Methylcellulose; Printing, Three-Dimensional; Solubility; Tablets; Theophylline	2020