Transdermal systems for the delivery of therapeutic agents including granisetron using iontophoresis
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United States of America Patent
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Sep 19, 2017
Grant Date -
Sep 19, 2013
app pub date -
May 13, 2013
filing date -
Apr 22, 2005
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Abstract
A disposable skin-worn device for the transdermal delivery at least one dose of charged therapeutic substances, including granisetron, by iontophoresis, the device comprising a donor reservoir containing an amount of a therapeutic substance to be delivered transdermally by iontophoresis, a counter reservoir, a source of electric power connected in a circuit between the donor reservoir and the counter reservoir and a control system for controlling current flow in the circuit to enable at least one dose of the therapeutic substance to be delivered transdermally by iontophoresis and wherein the control system includes a control element selected from the group consisting of a sensor activated by an external signal and a switch.
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