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Information Journal Paper

Title

Preparation and Characterization of Celecoxib Dispersions in Soluplus® : Comparison of Spray Drying and Conventional Methods

Pages

  35-50

Abstract

 The present study deals with characterization of dispersions of a poorly water-soluble drug, Celecoxib (CLX) in polyvinyl caprolactame– polyvinyl acetate– polyethylene glycol graft copolymer (Soluplus®; (SOL)) prepared by different techniques. Dispersions of CLX in SOL at different ratios (2: 1, 1: 1, 1: 2, 1: 4 and 1: 6) were prepared by spray drying, conventional solvent evaporation and melting methods. The Solid states of samples were characterized using particle size measurements, optical and scanning electron microscopy, XRPD, DSC and FT-IR. The Gordon-Taylor equation was used to predict the Tg of samples and the possibility of interaction between CLX and SOL. The solubility and Dissolution rate of all samples were determined. Stability of samples was studied at ambient conditions for a period of 12 months. DSC and XRPD analyses confirmed amorphous state of drug in samples. Surprisingly dispersions of CLX: SOL with the ratio of 2: 1 and 1: 1 showed slower Dissolution rate than CLX while other samples showed higher Dissolution rate. At 1: 2 ratio the spray dried samples exhibited higher Dissolution rate than corresponding samples prepared by other methods. However at higher SOL content (1: 4 and 1: 6), samples prepared by different methods showed similar dissolution profiles. The stability studies showed that there were no remarkable changes in the dissolution profiles and solid state of the drug after 12 months storage at ambient conditions. It was concluded that SOL was a proper carrier to enhance the Dissolution rate of CLX. At high SOL ratios the method of preparation of dispersed samples had no effect on Dissolution rate, whilst at low SOL content spray drying was more efficient method.

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    APA: Copy

    HOMAYOUNI, ALIREZA, SADEGHI, FATEMEH, NOKHODCHI, ALI, VARSHOSAZ, JALEH, & AFRASIABI GAREKANI, HADI. (2015). Preparation and Characterization of Celecoxib Dispersions in Soluplus® : Comparison of Spray Drying and Conventional Methods. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 14(1), 35-50. SID. https://sid.ir/paper/288492/en

    Vancouver: Copy

    HOMAYOUNI ALIREZA, SADEGHI FATEMEH, NOKHODCHI ALI, VARSHOSAZ JALEH, AFRASIABI GAREKANI HADI. Preparation and Characterization of Celecoxib Dispersions in Soluplus® : Comparison of Spray Drying and Conventional Methods. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2015;14(1):35-50. Available from: https://sid.ir/paper/288492/en

    IEEE: Copy

    ALIREZA HOMAYOUNI, FATEMEH SADEGHI, ALI NOKHODCHI, JALEH VARSHOSAZ, and HADI AFRASIABI GAREKANI, “Preparation and Characterization of Celecoxib Dispersions in Soluplus® : Comparison of Spray Drying and Conventional Methods,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 14, no. 1, pp. 35–50, 2015, [Online]. Available: https://sid.ir/paper/288492/en

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