University of Sussex
Browse

Combining liquisolid and co-grinding techniques to enhance the dissolution rate of celecoxib

Download (1.48 MB)
journal contribution
posted on 2023-06-10, 03:12 authored by Nafiseh Mollazadeh Nazem, Javad Shokri, Nasim Nourani, Ali Rajabi Zangi, Matthew Lam, Ali Nokhodchi, Yousef Javadzadeh
Purpose The classic liquisolid technique is used to enhance the dissolution rate of poorly water-soluble drugs, but in some cases, it is impossible to reach the desired dissolution rate using this technique alone. Therefore, a novel approach using a combination of ball milling and liquisolid technology was investigated to improve the dissolution rate for celecoxib. Methods First, celecoxib was dispersed in a liquid vehicle (PEG 200), then ground in a ball mill for 3 h. Other excipients, including PVP, microcrystalline cellulose as the carrier powder, and silica as the coating material, were added to the mortar. Dissolution testing was carried out in simulated intestinal fluid (SIF) and simulated gastric fluid (SGF) media. The effects of aging on the hardness and dissolution profile were also studied. X-ray diffraction (XRD) and differential scanning calorimetry (DSC) was used to identify changes in the crystallinity or complex formation. Results The novel formulations showed a higher dissolution rate than the conventional tablet or classic liquisolid formulations. Aging did not affect the hardness and dissolution profiles of the liquisolid compacts. The DSC and XRD results suggested that the enhanced dissolution rate is not caused by the formation of any complexes and reduction in crystallinity degree may contribute to the dissolution enhancement. The enhanced dissolution rate is attributed to the elevated specific surface area of the drug in the liquisolid state. Conclusion The results showed that liquisolid technology combined with ball milling is an efficient tool for enhancing the dissolution of poorly water-soluble drugs.

History

Publication status

  • Published

File Version

  • Published version

Journal

Journal of Pharmaceutical Innovation

ISSN

1872-5120

Publisher

Springer

Department affiliated with

  • Chemistry Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2022-04-21

First Open Access (FOA) Date

2022-04-21

First Compliant Deposit (FCD) Date

2022-04-18

Usage metrics

    University of Sussex (Publications)

    Categories

    No categories selected

    Licence

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC