Leveraging bile solubilization of poorly water-soluble drugs by rational polymer selection
Poorly water-soluble drugs frequently solubilize into bile colloids and this natural mechanism is key for efficient bioavailability. We tested the impact of pharmaceutical polymers on this solubilization interplay using proton nuclear magnetic resonance spectroscopy, dynamic light scattering, and by...
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| Veröffentlicht in: | Journal of controlled release 2021-02, Vol.330, p.36-48 |
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| container_title | Journal of controlled release |
| container_volume | 330 |
| creator | Schlauersbach, Jonas Hanio, Simon Lenz, Bettina Vemulapalli, Sahithya P.B. Griesinger, Christian Pöppler, Ann-Christin Harlacher, Cornelius Galli, Bruno Meinel, Lorenz |
| description | Poorly water-soluble drugs frequently solubilize into bile colloids and this natural mechanism is key for efficient bioavailability. We tested the impact of pharmaceutical polymers on this solubilization interplay using proton nuclear magnetic resonance spectroscopy, dynamic light scattering, and by assessing the flux across model membranes. Eudragit E, Soluplus, and a therapeutically used model polymer, Colesevelam, impacted the bile-colloidal geometry and molecular interaction. These polymer-induced changes reduced the flux of poorly water-soluble and bile interacting drugs (Perphenazine, Imatinib) but did not impact the flux of bile non-interacting Metoprolol. Non-bile interacting polymers (Kollidon VA 64, HPMC-AS) neither impacted the flux of colloid-interacting nor colloid-non-interacting drugs. These insights into the drug substance/polymer/bile colloid interplay potentially point towards a practical optimization parameter steering formulations to efficient bile-solubilization by rational polymer selection.
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| doi_str_mv | 10.1016/j.jconrel.2020.12.016 |
| format | Article |
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| subjects | Bile salt Colloid Flux Polymer drug interaction Simulated intestinal fluid |
| title | Leveraging bile solubilization of poorly water-soluble drugs by rational polymer selection |
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