Paracetamol is a sparingly soluble bitter tasting drug. It is widely used as an analgesic and antipyretic. Complexation of drug with different cyclodextrins (?, ? and HP-?-CD) was attempted to improve solubility of Paracetamol. During the drug excipient interaction studies, ?, ? cyclodextrins elicited analytical interference and showed considerable absorbance at ?max (243.5 nm) of Paracetamol w...

Finasteride (FIN) is a Class II candidate of the Biopharmaceutics Classification System (BCS). The lipophilic cavity of cyclodextrins (CyDs) enables it to construct a non-covalent inclusion complex with different insoluble drugs. Only β-cyclodextrin (β-CyD) and hydroxypropyl-β-CyD (HP-β-CyD) have been previously examined with FIN. This study aimed to investigate the consistence of FIN with diff...

Corneal cross-linking has been described as an effective treatment to slow the progression of keratoconus. The standard protocol entails corneal epithelial removal allow diffusion riboflavin into stroma. Although, de-epithelization can generate risks or complications that transepithelial tries solve avoid. Different formulations were developed after verifying hydroxypropyl-?-cyclodextrin (HP?CD...

Autophagy dysfunction has been implicated in misfolded protein accumulation and cellular toxicity in several diseases. Whether alterations in autophagy also contribute to the pathology of lipid-storage disorders is not clear. Here, we show defective autophagy in Niemann-Pick type C1 (NPC1) disease associated with cholesterol accumulation, where the maturation of autophagosomes is impaired becau...

The aim of this work was to study the ability of beta-cyclodextrin (beta-CD) or hydroxypropyl beta-cyclodextrin (HP-beta-CD) to ameliorate the induction of gastric ulcers by a nonsteroidal anti-inflammatory drug, indomethacin or piroxicam, in rats exposed to restraint and hypothermic stress at 4 degrees C. Using oral gavage, rats fasted for 72 h were administered the equivalent of a 100 mg/kg d...

The solubility of trihexyphenidyl (Thp) was improved by its combination with β-cyclodextrin (β-CD) and modified β-CDs. The solubility of Thp was found to be increased in the presence of β-CD, hydroxypropyl-β-cyclodextrin (HP-β-CD), methyl-β-cyclodextrin (Me-β-CD) and sulfobutylether-β-cyclodextrin (SBE-β-CD). In particular, the solubility of Thp in conjunction with SBE-β-CD was increased by a f...

Commercial tablets of Rosuvastatin Calcium exhibit unsatisfactory dissolution profiles and, consequently, problems of absorption and poor bioavailability. Rosuvastatin Calcium (RST), a poorly water-soluble 3-hydroxy3-methyl glut aryl CoA (HMG-CoA) Reductase inhibitor through inclusion complexation with hydroxy propyl β-cyclodextrin (HP-β-CD). The aim of this work was to develop Rosuvastatin Oro...

The effect of various concentrations of hydroxypropyl-b-cyclodextrin (HPb-CD) on the reversed-phase thin-layer chromatographic mobility of some low molecular mass peptides was measured in distilled water and in 0.05 M of LiCl, NaCl, KCl, RbCl, and CsCl solutions, and the relative strength of HP-b-CD–peptide interaction has been calculated from the dependence of retention on the concentration of...

Paracetamol is a sparingly soluble bitter tasting drug. It is widely used as an analgesic and antipyretic. Complexation of drug with different cyclodextrins (?, ? and HP-?-CD) was attempted to improve solubility of Paracetamol. During the drug excipient interaction studies, ?, ? cyclodextrins elicited analytical interference and showed considerable absorbance at ?max (243.5 nm) of Paracetamol w...

In this work, the effects of simvastatin (SIM), (2-hydroxypropyl)-?-cyclodextrin (HP?CD) and their complex (SIM:HP?CD) on structure properties lipid membranes were investigated for first time by Langmuir technique combined with PM-IRRAS spectroscopy. An improved understanding differences interactions between free SIM, SIM in form an inclusion HP?CD membrane will improve development preparation ...