Asian Journal of Pharmaceutical Sciences · 2017 · 20 citations · 15 references
PharmacyPharmaceuticsPharmacologyControlled Release FormulationsDrug DeliveryPharmaceutical FormulationDissolution MediaDrug DissolutionDrug Release From Dosage FormsDrug SolubilityTablet DesignTablet FormulationCompatibility StudiesCompressionCompression PropertiesControlled Release ProfilesFourier Transform Infrared SpectroscopyPh DependenceSolubility DeterminationTablet Excipient Formulation
In this study, the application of sodium bentonite (SB) in formulation of tablets prepared by direct compression for oral administration was tested. Three different model drugs with different solubilities: paracetamol, diclofenac sodium and metformin HCl were tested. Each drug was mixed with SB at ratio of 50% and the mixtures were subsequently compressed. Compatibility studies were conducted using both Deferential Scanning Calorimeter (DSC) and Fourier Transform Infrared Spectroscopy (FTIR). The dissolution profile for each drug was determined in USP-buffers at different time intervals. Diclofenac sodium in pH 6.8 buffer and paracetamol in both pH 6.8 and pH 4.5 buffers showed extended release. However, metformin HCl showed immediate release at the different pH values. The study showed that using SB was possible to prepare tablets with different release profiles. However, these profiles differ depending on dissolution media and drug type.
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P. -J. Schorn · Food and Cosmetics Toxicology · 1976 · 730 citations
A study of purified montmorillonite intercalated with 5-fluorouracil as drug carrier
Fa‐Hsuan Lin, Y.-H. Lee, Cai-Zhen Jian et al. · Biomaterials · 2002 · 296 citations