Eudraginated polymer blends: A potential oral controlled drug delivery system for theophylline

S. Bose and H. Bogner, Solventless pharmaceutical coating processes: a review, Pharm. Dev. Technol. 12 (2007) 115-131; DOI: 10.1080/10837450701212479.10.1080/1083745070121247917510883Search in Google Scholar

Z. Shao, L. Moralesi, S. Diaz and N. Muhammadi, Drug release from Kollicoat SR 30D-coated nonpareil beads: Evaluation of coating level, plasticizer type, and curing condition, AAPS PharmSciTech. 3 (2002) E15; DOI: 10.1208/pt030215.10.1208/pt030215275031712916952Search in Google Scholar

A. Dashevsky, K. Kolter and R. Bodmeier, pH-independent release of a basic drug from pellets coated with the extended release polymer dispersion Kollicoat SR 30 D and the enteric polymer dispersion Kollicoat MAE 30 DP, Eur. J. Pharm. Biopharm. 58 (2004) 45-49; DOI: 10.1016/j.ejpb.2004.03.013.10.1016/j.ejpb.2004.03.01315207536Search in Google Scholar

H. Alkhatib and A. Sakr, Optimization of methacrylic acid ester copolymers blends as controlled release coatings using response surface methodology, Pharm. Dev. Technol. 8 (2003) 87-96; DOI: 10.1081/PDT-120017527.10.1081/PDT-12001752712665201Search in Google Scholar

N. Ebube and A. Jones, Sustained release of acetaminophen from heterogeneous mixture of two hydrophilic non-ionic cellulose ether polymers, Int. J. Pharm. 272 (2004) 19-27; DOI: 10.1016/j.ijpharm.2003.11.020.10.1016/j.ijpharm.2003.11.02015019065Search in Google Scholar

S. Conti, L. Maggi, L. Segale, E. OchoaMachiste, U. Conte, P. Grenier and G. Vergnault, Matrices containing NaCMC and HPMC 1. Dissolution performance characterization, Int. J. Pharm. 333 (2007) 136-142; DOI: 10.1016/j.ijpharm.2006.11.059.10.1016/j.ijpharm.2006.11.05917207943Search in Google Scholar

M. Emeje and S. Ofoefule, Low level maize starch and sodium lauryl sulphate as release modifiers in Carbopol 941 capsule matrix, Int. J. Green Pharm. 3 (2009) 191-194.10.4103/0973-8258.56272Search in Google Scholar

S. Ofoefule and A. Chukwu, The effects of primogel on the release of frusemide from encapsulated granules, Acta Pharm. 50 (2000) 157-162.Search in Google Scholar

P. Niculina, N. Ovidiu, P. Lenuta, E. Catalina and I. Marcel, Hydrogels based on chitosan-xanthan for controlled release of theophylline, J. Mater. Sci: Mater. Med. 21 (2009) 1241-1248; DOI: 10.1007/s10856-009-3937-4.10.1007/s10856-009-3937-419924518Search in Google Scholar

M. Emeje, Drug Delivery Using Blends of Natural, Semi-synthetic and Synthetic Polymers, PhD Thesis, University of Nigeria, Nsukka 2009.Search in Google Scholar

M. O. Emeje, A. Izuka, C. Y. Isimi, S. I. Ofoefule and O. O. Kunle, Preparation and standardization of a herbal agent for the therapeutic management of asthma, Pharm. Dev. Tech. 16 (2011) 170-178; DOI: 10.3109/10837450903584910.10.3109/1083745090358491020141501Search in Google Scholar

United States Pharmacopeia 26, National Formulary 21, USP Convention Asian Editor, Rockwille (MD) 2003.Search in Google Scholar

M. Emeje, O. Olaleye, C. Isimi, J. Fortunak, S. Byrn, O. Kunle and S. Ofoefule, Oral sustained release tablets of zidovudine using binary blends of natural and synthetic polymers, Biol. Pharm. Bull. 33 (2010) 1561-1567.10.1248/bpb.33.156120823575Search in Google Scholar

M. Emeje, O. Kunle and S. Ofoefule, Effect of the molecular size of carboxymethylcellulose and some polymers on the sustained release of theophylline from a hydrophilic matrix, Acta Pharm. 56 (2006) 325-335.Search in Google Scholar

R. Korsmeyer, R. Gunny E. Doelker P. Buri and N. Peppas, Mechanism of solute release from porous hydrophilic polymers, Int. J. Pharm. 15 (1983) 23-35; DOI: 10.1016/0378-5173(83)90064-9.10.1016/0378-5173(83)90064-9Search in Google Scholar

B. Lee, M. Kang, W. Choi, Y. Choi, H. Kim, S. Lee, J. Lee and Y. Choi, Solubilized formulation of olmesartan medoxomil for enhancing oral bioavailability, Arch. Pharm. Res. 32 (2009) 1629-1635; DOI: 10.1007/s12272-009-2117-x.10.1007/s12272-009-2117-x20091278Search in Google Scholar