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Original Article

Problems and Pitfalls in Ototoxicity Testing

Pages 66-70 | Received 06 Mar 1979, Published online: 08 Jul 2009
 

Abstract

A local anaesthetic drug under development, intended for use in ear surgery, was tested with regard to adverse, ototoxic effects. Inner ear damage was not obvious. However, in the guinea pig a massive formation of new bone occurred in the middle ear (bulla tympanica) within 5 weeks after a single local administration of the drug.

Zusammenfassung

Ein neues lokalanästhetisches Präparat, das jetzt für die Ohrenchirurgie entwickelt wird, ist mit Rücksicht auf die ototoxische Effekte studiert. Keine Innenohrenschäden wurden gefunden. Aber im Mittelohr des Meerschwein-chens enlwickelte sich nach 5 Wochen eine massive Knochenstruktur nach einer einzelnen Verwendung des Präparates.

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