Journal of Antimicrobial Chemotherapy, Vol 42, 261-264, Copyright © 1998 by The British Society for Antimicrobial Chemotherapy
K Owen
This study was performed in order to compare the phototoxic potential of
grepafloxacin (a new fluoroquinolone for the treatment of respiratory tract
infections) with that of a number of marketed fluoroquinolones. Groups of
Balb/c mice received either control material or grepafloxacin,
lomefloxacin, sparfloxacin, ofloxacin, ciprofloxacin or enoxacin at an oral
dose of 200 mg/kg before being exposed to 20 J/cm2 longwave ultraviolet
irradiation for 110-115 min. Lomefloxacin and sparfloxacin caused erythema
and oedema which were often severe and lasted the full 7 days of the study.
Enoxacin caused a long-lasting erythema, while the erythema seen following
the administration of grepafloxacin, ciprofloxacin and ofloxacin was
relatively mild and short-lived. The results of this study demonstrate the
good safety profile of grepafloxacin in terms of phototoxicity.
ORIGINAL ARTICLES
Comparative grepafloxacin phototoxicity in mouse skin
GlaxoWellcome Research and Development, Ware, Hertfordshire, UK.
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