Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation
Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative o...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Figueiras, Ana [verfasserIn] Sarraguça, J. M. G. [verfasserIn] Carvalho, Rui A. [verfasserIn] Pais, A. A. C. C. [verfasserIn] Veiga, Francisco J. B. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2006 |
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| Übergeordnetes Werk: |
Enthalten in: Pharmaceutical research - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984, 24(2006), 2 vom: 20. Dez., Seite 377-389 |
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| Übergeordnetes Werk: |
volume:24 ; year:2006 ; number:2 ; day:20 ; month:12 ; pages:377-389 |
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| DOI / URN: |
10.1007/s11095-006-9161-8 |
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SPR016552954 |
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| 245 | 1 | 0 | |a Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation |
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| 520 | |a Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. | ||
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| 700 | 1 | |a Carvalho, Rui A. |e verfasserin |4 aut | |
| 700 | 1 | |a Pais, A. A. C. C. |e verfasserin |4 aut | |
| 700 | 1 | |a Veiga, Francisco J. B. |e verfasserin |4 aut | |
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10.1007/s11095-006-9161-8 doi (DE-627)SPR016552954 (SPR)s11095-006-9161-8-e DE-627 ger DE-627 rakwb eng 610 ASE 44.38 bkl Figueiras, Ana verfasserin aut Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. Sarraguça, J. M. G. verfasserin aut Carvalho, Rui A. verfasserin aut Pais, A. A. C. C. verfasserin aut Veiga, Francisco J. B. verfasserin aut Enthalten in Pharmaceutical research Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984 24(2006), 2 vom: 20. Dez., Seite 377-389 (DE-627)325485291 (DE-600)2036232-8 1573-904X nnns volume:24 year:2006 number:2 day:20 month:12 pages:377-389 https://dx.doi.org/10.1007/s11095-006-9161-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-PHA SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.38 ASE AR 24 2006 2 20 12 377-389 |
| spelling |
10.1007/s11095-006-9161-8 doi (DE-627)SPR016552954 (SPR)s11095-006-9161-8-e DE-627 ger DE-627 rakwb eng 610 ASE 44.38 bkl Figueiras, Ana verfasserin aut Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. Sarraguça, J. M. G. verfasserin aut Carvalho, Rui A. verfasserin aut Pais, A. A. C. C. verfasserin aut Veiga, Francisco J. B. verfasserin aut Enthalten in Pharmaceutical research Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984 24(2006), 2 vom: 20. Dez., Seite 377-389 (DE-627)325485291 (DE-600)2036232-8 1573-904X nnns volume:24 year:2006 number:2 day:20 month:12 pages:377-389 https://dx.doi.org/10.1007/s11095-006-9161-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-PHA SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.38 ASE AR 24 2006 2 20 12 377-389 |
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10.1007/s11095-006-9161-8 doi (DE-627)SPR016552954 (SPR)s11095-006-9161-8-e DE-627 ger DE-627 rakwb eng 610 ASE 44.38 bkl Figueiras, Ana verfasserin aut Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. Sarraguça, J. M. G. verfasserin aut Carvalho, Rui A. verfasserin aut Pais, A. A. C. C. verfasserin aut Veiga, Francisco J. B. verfasserin aut Enthalten in Pharmaceutical research Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984 24(2006), 2 vom: 20. Dez., Seite 377-389 (DE-627)325485291 (DE-600)2036232-8 1573-904X nnns volume:24 year:2006 number:2 day:20 month:12 pages:377-389 https://dx.doi.org/10.1007/s11095-006-9161-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-PHA SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.38 ASE AR 24 2006 2 20 12 377-389 |
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10.1007/s11095-006-9161-8 doi (DE-627)SPR016552954 (SPR)s11095-006-9161-8-e DE-627 ger DE-627 rakwb eng 610 ASE 44.38 bkl Figueiras, Ana verfasserin aut Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. Sarraguça, J. M. G. verfasserin aut Carvalho, Rui A. verfasserin aut Pais, A. A. C. C. verfasserin aut Veiga, Francisco J. B. verfasserin aut Enthalten in Pharmaceutical research Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984 24(2006), 2 vom: 20. Dez., Seite 377-389 (DE-627)325485291 (DE-600)2036232-8 1573-904X nnns volume:24 year:2006 number:2 day:20 month:12 pages:377-389 https://dx.doi.org/10.1007/s11095-006-9161-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-PHA SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.38 ASE AR 24 2006 2 20 12 377-389 |
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10.1007/s11095-006-9161-8 doi (DE-627)SPR016552954 (SPR)s11095-006-9161-8-e DE-627 ger DE-627 rakwb eng 610 ASE 44.38 bkl Figueiras, Ana verfasserin aut Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. Sarraguça, J. M. G. verfasserin aut Carvalho, Rui A. verfasserin aut Pais, A. A. C. C. verfasserin aut Veiga, Francisco J. B. verfasserin aut Enthalten in Pharmaceutical research Dordrecht [u.a.] : Springer Science + Business Media B.V, 1984 24(2006), 2 vom: 20. Dez., Seite 377-389 (DE-627)325485291 (DE-600)2036232-8 1573-904X nnns volume:24 year:2006 number:2 day:20 month:12 pages:377-389 https://dx.doi.org/10.1007/s11095-006-9161-8 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-PHA SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.38 ASE AR 24 2006 2 20 12 377-389 |
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In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sarraguça, J. M. G.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Carvalho, Rui A.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Pais, A. A. C. C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Veiga, Francisco J. 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interaction of omeprazole with a methylated derivative of β-cyclodextrin: phase solubility, nmr spectroscopy and molecular simulation |
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Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation |
| abstract |
Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. |
| abstractGer |
Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. |
| abstract_unstemmed |
Purpose Cyclodextrins are known to be good solubility enhancers for several drugs, improving bioavailability when incorporated in pharmaceutical formulations. In this work we intend to assess and characterize the formation of inclusion complexes between omeprazole (OME) and a methylated derivative of β-cyclodextrin, methyl-β-cyclodextrin (MβCD). A comparison with results obtained from the most commonly used natural cyclodextrin, β-cyclodextrin (βCD) is also presented in most cases. Materials and Methods The interaction of OME with the mentioned cyclodextrins in aqueous solutions was studied by phase solubility studies, 1D 1H and 2D rotating frame nuclear overhauser effect NMR spectroscopy (ROESY) and Molecular Dynamics. Results The solubility of OME was significantly increased by formation of inclusion complexes with each cyclodextrin. Phase solubility studies and continuous variation plots revealed that OME forms an inclusion complex in a stoichiometry of 1:1 with both cyclodextrins. 1H NMR and ROESY spectra of the inclusion complexes indicated that the benzimidazole moiety is included within the cyclodextrins cavities. Molecular dynamics showed that OME is more deeply included in the MβCD than in βCD cavity, in agreement with a larger apparent stability constant (KS) obtained for the inclusion complex with MβCD. Conclusions MβCD proved to be an efficient enhancer of OME solubility, thus possessing characteristics for being an useful excipient in pharmaceutical formulations of this drug. |
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| title_short |
Interaction of Omeprazole with a Methylated Derivative of β-Cyclodextrin: Phase Solubility, NMR Spectroscopy and Molecular Simulation |
| url |
https://dx.doi.org/10.1007/s11095-006-9161-8 |
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Sarraguça, J. M. G. Carvalho, Rui A. Pais, A. A. C. C. Veiga, Francisco J. B. |
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Sarraguça, J. M. G. Carvalho, Rui A. Pais, A. A. C. C. Veiga, Francisco J. B. |
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10.1007/s11095-006-9161-8 |
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2024-07-03T23:42:50.667Z |
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| score |
7.402112 |