Characterisation and optimisation of diclofenac sodium orodispersible thin film formulation

Ibrahim Khadra, Mohammad A. Obeid, Claire Dunn, Stewart Watts, Gavin Halbert, Steven Ford, Alexander Mullen

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)
603 Downloads (Pure)


Oral Thin Film (OTF) is a newly emerging drug delivery system which has many benefits for patients. Although there has been some formulation of OTF products, these have mainly been as confectionary or dental health products. The most significant benefit of this dosage format will only be realised once more pharmaceutical products become available. Within this paper, OTF strips containing Diclofenac Sodium were prepared using the solvent casting method and then characterised to ensure the method could conform to acceptable levels of uniformity, the mean (SD) diclofenac sodium content was 25.43 (1.39) mg, range 22.84–27.44 mg. Bioburden was tested against coliforms, yeasts and moulds and all results were confirmed to be <10 CFU/g, also similar dissolution profile when compared to a commercial product to ensure biowaiver. An acceptable level of uniformity of mass was produced. K-F titration was employed to reduce the water content of the strips and it was found to be acceptable, this represented a level of water which would not be viable for microbial growth. The technique employed here in the production of OTF resulted in high quality products and amenability to being up scaled. Furthermore, the characterisation method was also sufficient to assess the quality of the products and may be used for future analysis of OTF pharmaceuticals.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalInternational Journal of Pharmaceutics
Early online date14 Feb 2019
Publication statusPublished - 20 Apr 2019


  • oral thin film
  • drug delivery
  • diclofenac sodium
  • solvent casting method


Dive into the research topics of 'Characterisation and optimisation of diclofenac sodium orodispersible thin film formulation'. Together they form a unique fingerprint.

Cite this