Inventors: Lee KP
, Anantha IG
, Ragupathy D
Controlled drug carrier for deliverying sildenafil citrate transdermally and patch containing the same
Publication date: 2009
The present invention relates to a controlled drug carrier for transdermally delivering sildenafil citrate (SC) and a transdermal patch comprising the same. More particularly, the present invention relates to a controlled drug carrier which is prepared using a silica-based composite in order to imprint and incorporate sildenafil citrate and which allows controlled release of sildenafil citrate, and to a transdermal patch comprising the controlled drug carrier. According to the present invention, there can be provided a controlled drug carrier for delivering sildenafil citrate, which allows sustained release of sildenafil citrate, and a transdermal patch consisting of an organic polymer film comprising the controlled drug carrier.
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