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Abstract
Nimesulide (NM), a nonsteroidal anti-inflammatory drug (NSAID) has poor aqueous solubility. The present study describes the complexation of NM with β-cyclodextrin (β-CD) and its derivative hydroxypropyl β-cyclodextrin (HPβ-CD). The complexation was studied by phase solubility method, Fourier transformed infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), and X-ray diffractometry (XRD). The complexes were prepared by a freeze-drying technique. The in vitro dissolution rate of drug–HPβ-CD complex was faster compared to the drug–β-CD complex and drug alone.