Ciclesonide's Effectiveness in Rabbit Nasal Mucosa
Author Information
Author(s): Sato Hideyuki, Nave Ruediger, Nonaka Takashi, Yoshihisa Nishibe, Atsuhiro Nagano, Mochizuki Tsutomu, Takahama Shigehiro, Kondo Shiro, Wingertzahn Mark
Primary Institution: Teijin Institute for Biomedical Research
Hypothesis
Does a hypotonic ciclesonide suspension provide better absorption and retention of its active metabolite in rabbit nasal mucosa compared to an isotonic suspension?
Conclusion
A hypotonic ciclesonide suspension results in higher concentrations of its active metabolite, desisobutyryl-ciclesonide, in nasal mucosa for up to 24 hours.
Supporting Evidence
- The hypotonic suspension achieved significantly higher concentrations of des-CIC at multiple time points.
- Des-CIC was retained in nasal mucosa for up to 24 hours after administration.
- Ciclesonide levels were measurable at all time points after hypotonic administration.
Takeaway
This study shows that a special type of nasal spray works better at getting medicine into the nose and keeping it there longer.
Methodology
Rabbits were given a single dose of ciclesonide in either hypotonic or isotonic suspension, and nasal mucosa was analyzed for drug concentrations using liquid chromatography with tandem mass spectrometry.
Limitations
The study was conducted on rabbits, which may not fully represent human responses.
Participant Demographics
Male Japanese white rabbits, 16 to 17 weeks old.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website