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US 2020/0206489 A1Published application
Iontophoretic microneedle device
AssigneesLTS Lohmann Therapie-Systeme AG, New Jersey Institute of Technology
InventorsJames Paul RONNANDER, Laurent SIMON
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Abstract
A medical drug devices for transdermal drug delivery systems (TDDS) comprising a novel iontophoretic polymeric microneedle device and its use in administration of drugs.
Claims16
A polymeric microneedle array for delivery of macromolecular compounds (API) through the skin having a plurality of micro-scaled solid microneedles, the microneedles consisting of a dried polymer composition comprising:
- 15 to 40 wt. % of a water soluble polymer as a binder,
- less than 2 wt. % of a humectant/softener, and
- less than 2 wt. % of a surfactant;
- and
- 1 to 15 wt. % of the macromolecular compound (API) encapsulated therein, wherein the wt. % are given with respect to the liquid polymer composition before drying.
2 more elements
Dependencies are inferred from the claim text.