Have a personal or library account? Click to login
New co-polymer zwitterionic matrices for sustained release of verapamil hydrochloride Cover

New co-polymer zwitterionic matrices for sustained release of verapamil hydrochloride

Acta Pharmaceutica
Volume 57 (2007): Issue 4 (December 2007)
By: Bistra Kostova and  Dimitar Rachev  
Open Access
|Dec 2007

References

  1. M. Gohel, T. Patel and Sh. Bariya, Studies in preparation and evaluation of pH-independent sustained-release matrix tablets of verapamil HCl using directly compressible Eudragits, Pharm. Dev. Technol.8 (2003) 323-333; DOI: 10.1081/PDT-120024686.10.1081/PDT-120024686
    Search in Google Scholar
  2. K. Gabr, Effect of organic acids on release patterns of weakly basic drugs from innert sustained release matrix tablets, Eur. J. Pharm. Biopharm.38 (1992) 199-202.
    Search in Google Scholar
  3. M. Dimitrov and N. Lambov, Study of verapamil hydrochloride release from compressed hydrophilic Polyox-Wsr tablets, Int. J. Pharm.189 (1999) 105-111; DOI: 10.1016/S0378-5173(99) 00242-2.
    Search in Google Scholar
  4. A. Tatavarti, K. Menta, L. Augsburger and S. Hoag, Influence of methacrylic and acrylic acid polymers on the release performance of weakly basic drugs from sustained release hydrophilic matrices, J. Pharm. Sci.93 (2004) 2319-2331; DOI: 10.1002/jps.20129.10.1002/jps.20129
    Search in Google Scholar
  5. A. Streubel, J. Siepmann, A. Dashevsky and R. Bodmeier, pH-independent release of a weakly basic drug from water-insoluble and -soluble matrix tablets, J. Control. Rel.67 (2000) 101-110; DOI: 10.1016/S0168-3659(00)00200-5.10.1016/S0168-3659(00)00200-5
    Search in Google Scholar
  6. P. Timmins, A. M. Delargy and J. R. Howard, Optimization and characterization of a pH-independent extended-release hydrophilic matrix tablet, Pharm. Dev. Technol.2 (1997) 25-31.10.3109/10837459709022606
    Search in Google Scholar
  7. R. J. MacRae and J. S. Smith, Controlled-release Pharmaceutical Formulations Containing Low Molecular Weight Polyethylene Oxide and Hydroxypropylmethyl Cellulose, WO Pat. 97/18814, 29 May 1997; ref. Chem. Abstr.127 (1997) 55911u; DOI: 10.1016/0032-3861(94)90913-X.10.1016/0032-3861(94)90913-X
    Search in Google Scholar
  8. K. Nam, J. Watanabe and K. Ishihara, pH-modulated release of insulin entrapped in a spontaneously formed hydrogel system composed of two water-soluble phospholipid polymers, J. Biomater. Sci., Polym. Ed.13 (2002) 1259-1269; DOI: 10.1163/156856202320892993.10.1163/156856202320892993
    Search in Google Scholar
  9. M. Blanco, J. Rego and M. Huglin, Drug release with simultaneous dimensional changes from a new copolymeric hydrogel, Polymer35 (1994) 3487-3491; DOI: 10.1016/0032-3861(94)90913-X.10.1016/0032-3861(94)90913-X
    Search in Google Scholar
  10. G. Georgiev, E. Kamenska, E. Vassileva, I. Kamenova, V. Georgieva, S. Iliev and I. Ivanov, Properties and biomedical application of polyzwitterions, Ann. Univ. Sofia, Chem.98-99 (2005) 305-325; ref. Chem. Abst.147 (2007) 196825.
    Search in Google Scholar
  11. I. Ivanov, I. Kamenova, V. Georgieva, E. Kamenska and G. Georgiev, Mixed surfactant-polyzwitterion self-assemblies in aqueous solutions, Colloid Surf. A. Physicochem. Eng. Asp.282-283 (2006) 129-133; DOI: 10.1016/j.colsurfa.2006.02.038.10.1016/j.colsurfa.2006.02.038
    Search in Google Scholar
  12. Ch. Smilkov, I. Kamenova, E. Kamenska, Ch. Betchev and G. Georgiev, Synthesis, Morphology and Structural Characterization of Polysulfobetaine Copolymers as Potential Materials for Medical Applications, in PPS-21: Proceedings of the 21st Annual Meeting of the Polymer Processing Society, Leipzig, June 19-23, 2005, Halle/S. 2005, p. 148.
    Search in Google Scholar
  13. G. Georgiev, A. Tzoneva, L. Lyutov, S. Iliev, I. Kamenova, V. Georgieva, E. Kamenska and A. Bund, Electrostimulated shift of the precipitation temperature of aqueous polyzwitterionic solutions, Macromol. Symp.210 (2004) 393-401; DOI: 10.1002/masy.200450644.10.1002/masy.200450644
    Search in Google Scholar
  14. G. Georgiev, I. Kamenova, V. Georgieva, E. Kamenska, R. Hempelmann and H. Natter, Poly(dimethylaminoethylmethacryloylpropanesulfonate) suitable polymer additive for pulsed electrodeposition of nanocrystalline nickel, J. Appl. Polym. Sci.102 (2006) 2967-2970; DOI: 10.1002/ app.24574.10.1002/app.24574
    Search in Google Scholar
  15. G. Georgiev, E. Kamenska, E. Vassileva, I. Kamenova, V. Georgieva, S. Iliev and I. Ivanov, Self-assembly, antipolyelectrolyte effect and nonbiofouling properties of polyzwitterions, Biomacro-molecules7 (2006) 1329-1334; DOI: 10.1021/bm050938q.10.1021/bm050938q
    Search in Google Scholar
  16. E. Kamenska, E. Vassileva, I. Kamenova, A. Tzoneva, V. Georgieva, S. Iliev and G. Georgiev, A new approach to the description and control of the unique biocompatibility of polyzwitterions, Bulg. Chem. Commun.38 (2006) 49-54.
    Search in Google Scholar
  17. J. Bredas, R. Chance and R. Silbey, Head-head interactions in zwitterionic associating polymers, Macromolecules21 (1988) 1633-1639; DOI: 10.1021/ma00184a019.10.1021/ma00184a019
    Search in Google Scholar
  18. S. Tsonchev, A. Troisi, G. Schatz and M. Ratner, All-atom numerical studies of self-assembly of zwitterionic peptide amphiphiles, J. Phys. Chem. B.108 (2004) 15278-15284; DOI: 10.1021/jp04788.0e.
    Search in Google Scholar
  19. M. Huglin and J. Rego, Influence of a salt on the properties of hydrogels of 2-hydroxyethyl methacrylate with a sulfobetaine comonomer, Macromolecules26 (1993) 3118-3126; DOI: 10.1021/ ma00064a020.10.1021/ma00064a020
    Search in Google Scholar
  20. A. Lowe and C. McCormick, Synthesis and solution properties of zwitterionic polymers, Chem. Rev.102 (2002) 4177-4190; DOI: 10.1021/cr020371t.10.1021/cr020371t
    Search in Google Scholar
  21. A. Elkheshen, Interaction of verapamil hydrochloride with carbopol 934P and its effect on the release rate of the drug and the water uptake of the polymer matrix, Pharm. Dev. Ind. Pharm.27 (2001) 925-934; DOI: 10.1081/DDC-100107673.10.1081/DDC-100107673
    Search in Google Scholar
  22. E. Kamenska, B. Kostova, I. Ivanov, D. Rachev and G. Georgiev, Emulsifier-free emulsion copolymerization of vinyl acetate-3-dimethyl(methacryloyloxyethyl)-ammonium propane sulfonate and swelling behavior of their copolymer matrices, Macromol. React. (2007) 553-562; DOI: 10.1002/mren.200700013.10.1002/mren.200700013
    Search in Google Scholar
  23. United States Pharmacopoeia 28 - National Formulary 23, USP Convention, Rockville 2005, pp. 2412-2414.
    Search in Google Scholar
  24. H. Vogelpoel, J. Welnik, G. Amidon, H. Junginger, K. Midha, H. Möller, M. Oling, V. Shah and D. Barends, Biowaiver monographs for immediate release solid oral dosage forms based on biopharmaceutics classification system (BCS) literature data: Verapamil hydrochloride, Propanolol Hydrochloride, and Atenolol, J. Pharm. Sci.93 (2004) 1945-1956; DOI: 10.1002/jps.20131.10.1002/jps.20131
    Search in Google Scholar
  25. Drug Information - American Hospital Formulary Service (DI-AHFS) (Ed. G. K. McEvoy), American Society of Health-System Pharmacists, Bethesda (MD) 1995, pp. 1148-1152.
    Search in Google Scholar
  26. W. Lee and C. Chen, Poly(2-hydroxyethyl methacrylate-co-sulfobetaine) hydrogels. II. Synthesis and swelling behaviors of the [2-hydroxyethyl methacrylate-co-3-dimethyl(methacryloyloxyethyl) ammonium propane sulfonate] hydrogels, J. Appl. Polym. Sci.69 (1998) 2021-2034; DOI: 10.1002/(SICI)1097-4628(19980906)69:10<2021::AID-APP14>3.0.CO;2-4.10.1002/(SICI)1097-4628(19980906)69:10<2021::AID-APP14>3.0.CO;2-4
    Search in Google Scholar
  27. A. Kasim, M. Whitehouse, C. Ramachandran, M. Bermejo, H. Lennernäs, S. Hussain, H. Junginger, S. Stavachansky, K. Midha, V. Shah and G. Amidon, Molecular properties of WHO essential drugs and provisional biopharmaceutical classification, Mol. Pharm.1 (2004) 85-96; DOI: 10.1021/mp034006h.10.1021/mp034006h
    Search in Google Scholar
DOI: https://doi.org/10.2478/v10007-007-0034-4 | Journal eISSN: 1846-9558 | Journal ISSN: 1330-0075
Journal RSS Feed
Language: English
Page range: 429 - 439
Published on: Dec 28, 2007
Published by: Croatian Pharmaceutical Society
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
co-polymer [vinyl acetate-co-3-dimethyl(methacryloyloxyethyl) ammonium propane sulfonate,
emulsifier-free emulsion copolymerization,
polyzwitterion,
dipole-dipole clusters,
swelling degree,
matrix tablets,
drug delivery
Related subjects:
Pharmacy,
Pharmacy, other

© 2007 Bistra Kostova, Dimitar Rachev, published by Croatian Pharmaceutical Society
This work is licensed under the Creative Commons License.

Volume 57 (2007): Issue 4 (December 2007)