FIELD: pharmaceutical substances. SUBSTANCE: composition contains mixture of polymers influencing solubility of therapeutic substance and velocity of its release from preparation. In particular, polymers are mutually unmixable and include soluble polyvinylpyrrolidone, which can increase concentration of therapeutic substance in mixture to desired maximum. EFFECT: essentially reduced dimensions of device needed for achieving therapeutic levels and simultaneously saved desired properties regarding release of therapeutic substance and adhesiveness. 44 cl, 11 dwg, 21 tbl, 33 ex
Authors
Dates
2001-08-20—Published
1995-01-09—Filed