| abstract |
The invention provides a gel-forming composition which permits on-site administration and can form a gel exhibiting a prescribed strength and sustained drug release, devices for the application thereof, and kits for medical use. A gel-forming composition which is composed of the first composition comprising a drug, the first gelling agent consisting of a compound of the general formula (I) and so on, and the first diluent and the second composition comprising the second gelling agent consisting of a compound of the general formula (I) and so on and the second diluent; and application devices and kits for medical use, which can hold the gel-forming composition: X1-(OCH2CH2)n-X2 (I) wherein X1 and X2 are each -R1COONHS (wherein R1 is C1-7 alkylene), -COR1COONHS, -NOCOR1-R2 (wherein R2 is maleimido), -R1NH2, -R1SH, or -CO2PhNO2; and n is an integer of 80 to 1000. |