Abstract
The solubility and dissolution of the poorly soluble drug celecoxib (CXB) was enhanced using many techniques like nanoemulsion, solid lipid nanoparticle and solid dispersion in the present investigation. The solubility of CXB in each formulation was determined using the reported HPLC method at the wavelength of 250 nm. Dissolution studies of pure CXB and its formulations were performed using USP dissolution apparatus in distilled water. The highest solubility (228. 24 mg/mL) as well as % dissolution (99.9) of CXB was obtained with nanoemulsion technique. The results of solubility and dissolution were highly significant using the nanoemulsion technique as compared to other techniques (P < 0.01). All three formulations showed a sustained type of drug release. The best sustained type drug release was obtained with nanoemulsion. This indicated that nanoemulsion can be successfully used for sustained and controlled drug delivery of CXB. Overall these findings suggested that nanoemulsion is a promising vehicle for solubility and dissolution enhancement of CXB.
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