Corneal penetration of topical amphotericin B and natamycin
作者:
O'dayDenis M.,
HeadW. Steven,
RobinsonRichard D.,
ClantonJeffrey A.,
期刊:
Current Eye Research
(Taylor Available online 1986)
卷期:
Volume 5,
issue 11
页码: 877-882
ISSN:0271-3683
年代: 1986
DOI:10.3109/02713688609029240
出版商: Taylor&Francis
数据来源: Taylor
摘要:
The corneal uptake and penetration of14C-labelled 0.15% amphotericin B and 5% natamycin were studied in Dutch-belted rabbits. Corneal levels of natamycin were substantially higher than amphotericin B. For both drugs, these levels were influenced by corneal contact time. In corneas debrided of epithelium, both agents entered the corneal stroma and levels were detected in aqueous in the therapeutic range. However, in corneas with intact epithelium, penetration was negligible for amphotericin B (0.23μg/gm at 2 mins). By contrast, although penetration of natamycin was greatly reduced, 7.Oμg/gm were present at 2 mins.
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