FYI: New Patent alert.
http://www.freshpatents.com/Novel-method-and-composition-for-local-treatment-of-
meniere-s-disease-tinnitus-and-or-hearing-loss-dt20050804ptan20050171054.php

Novel method and composition for local treatment of meniere's disease,
tinnitus and/or hearing loss Novel methods and compositions for the
local treatment of
Meniere's disease, tinnitus and hearing loss employ a  therapeutically
effective amount of a prostaglandin of the F-type  to the inner ear.
The treatment can be either continuous or  intermittent and may involve
the use of pumps, gels, or
slow release drug...

Here is the full text:
http://www.freshpatents.com/Novel-method-and-composition-for-local-treatment-of-
meniere-s-disease-tinnitus-and-or-hearing-loss-dt20050804ptan20050171054.php?typ
e=description