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The penetration of topically applied ointment containing hyaluronic acid in rabbit tissues.
MedLine Citation:
PMID:  22439334     Owner:  NLM     Status:  In-Process    
The properties of hyaluronic acid used for treatment of acute and chronic joint disease are known for many years and this compound is widely used both in humans and animals. To obtain a therapeutic effect of a certain drug, the appropriate concentration in the target organ or tissue is important. The application of labeled compounds is one of the frequently applied techniques to estimate drug penetration into the skin and other body tissues or organs. The aim of the study was to evaluate the penetration of hyaluronic acid labeled with I-131 through the skin and its distribution within the knee joint and other internal organs in rabbits after a topical application of an ointment containing hyaluronic acid. The experiment was performed on 22 albino rabbits divided into control and examined groups. Fifteen rabbits were exposed to the multicomponent ointment containing hyaluronic acid labeled with I-131. Time of exposure was 48 hours. Hyaluronate penetrated to a high degree into the examined tissues. No significant differences in terms of leg tissue activity were observed between a leg tissue exposed to labeled ointment and that unexposed, suggesting that after topical administration, the active component of the ointment is delivered to the joint via the blood stream. Hyaluronate applied topically penetrates through the skin into the rabbit tissues and organs and into the joint fluid of both legs (exposed and not exposed). This route of administration seems to be useful for this drug delivery and allows to avoid unnecessary side effects.
B Birkenfeld; M Parafiniuk; S Bielecka-Grzela; A Klimowicz; H Piwowarska-Bilska; R Mikołajczak; M H Listewnik; M Kurzejamska-Parafiniuk; A Osowski; E Byszewska-Szpocińska
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Polish journal of veterinary sciences     Volume:  14     ISSN:  1505-1773     ISO Abbreviation:  Pol J Vet Sci     Publication Date:  2011  
Date Detail:
Created Date:  2012-03-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101125473     Medline TA:  Pol J Vet Sci     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  621-7     Citation Subset:  IM    
Department of Nuclear Medicine, Pomeranian Medical University, Unii Lubelskiej 1, 71-252 Szczecin, Poland.
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