FIELD: medicine.
SUBSTANCE: intratympanic composition used for treating an ear disease contains: (a) an antimicrobial agent consisting of a number of particles; and (b) a polyoxyethylene and polyoxypropylene copolymer; the composition (i) is a liquid at room temperature; (ii) has a gelling point within the range of 19°C to 42°C; (iii) has a gel viscosity of 15000 sP to 1000000 sP; (iv) has an osmolarity less than 1000 mOsm/l; and the intratympanic composition release the antimicrobial agent in an ear for at least 5 days, and it is introduced at room temperature.
EFFECT: effective treatment of the ear diseases; the composition is non-toxic and has a non-irritating effect on the ear structures, provides the permanent prolonged release of the active agent with a reduced dose rate and reduces the risk of a potential tympanum damage.
13 cl, 9 tbl, 5 dwg, 30 ex
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