Development of Dermal Lidocaine Nanosuspension Formulation by the Wet Milling Method Using Experimental Design: In Vitro/In Vivo Evaluation
2024

Lidocaine Nanosuspension Formulation Development

Sample size: 18 publication 10 minutes Evidence: high

Author Information

Author(s): Kral Özlem, Ilbasmis-Tamer Sibel, Han Sevtap, Tirnaksiz Figen

Primary Institution: Gazi University

Hypothesis

The study aims to develop a nanosuspension formulation of lidocaine to enhance its dermal bioavailability.

Conclusion

The study concluded that the use of design of experiments is effective in optimizing the formulation of lidocaine nanosuspensions, leading to improved skin accumulation and anesthetic effects.

Supporting Evidence

  • Nanosuspensions showed significantly higher skin accumulation compared to coarse suspensions.
  • The analgesic effect of the nanosuspension was statistically more effective than the coarse suspension.
  • Using poloxamer as a stabilizer resulted in smaller particle sizes and better stability.
  • Experimental design helped optimize the formulation process efficiently.

Takeaway

Scientists made a special version of lidocaine that can be absorbed better by the skin, making it work faster and more effectively.

Methodology

Lidocaine nanosuspensions were prepared using a wet media milling method, and their characteristics were evaluated through various in vitro and in vivo tests.

Limitations

The study primarily focused on two types of stabilizers and may not account for other potential stabilizers.

Participant Demographics

Wistar albino male rats, 10 weeks old, weighing 150–200 g.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1021/acsomega.4c05296

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