EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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 ISSN 2394-3211

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Abstract

“CENTRAL COMPOSITE DESIGN TO ENHANCE THE SOLUBILITY OF CELECOXIB”

Y. D. Pawar*, K. B. Patil and P. D. Chaudhrari

ABSTRACT

One of the major challenges in pharmaceutical development is the poor dissolution performance of drugs. Celecoxib (CLX) is a poorly water soluble drug with its bioavailability being limited by its poor dissolution. In this study solvent evaporation method by rota evaporator was employed to prepare solid dispersion drug and polymers. Central composite design employed statistical experimental design tool and investigated the combined effect of experimental factors, i.e., % of PVP K30, PVP K90 and % of β-cyclodextrin (BCD) on responses like saturation solubility (SS), dissolution efficiency (DE) and mean dissolution time (MDT). Dissolution profile of physical mixture of drug and polymers was performed, and results so obtained were compare with the results of solid dispersion prepared by solvent evaporation technique. Design of experiment was used in the context of quality by design, which requires a multivariate approach for understanding the multifactorial relationships among experimental factors. Desirability function was used to attain optimization of responses. The theoretical desired goals were not achieved for SS, DE and MDT using drug or physical mixtures, and therefore there was a need of highly efficient technique like solvent evaporation. Predicted values were very close to the experimental values obtained from the optimized formulation, thus it confirmed that the generated mathematical model was valid. Results of dissolution study showed that PVP K30 increases more solubility compare to PVP K90. The results demonstrated the effect of the proposed combined use of BCD, PVP K90 and PVP K30. Validated optimized solid dispersion was characterized by DSC, XRD, SEM and particle size analysis. Characterization results confirmed the formation of partial amorphous drug complex with average particle size 1703.1±996.3 nm.

Keywords: Celecoxib, PVP K30, ?-cyclodextrin, solid dispersion, PVP K90.


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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia