Composition for transdermal delivery of cationic active agents
US10881607B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Dec 16, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a composition for transdermal delivery, particularly iontophoretic transdermal delivery, of at least one cationic active agent or a salt thereof. The composition includes at least one cationic active agent or a salt thereof, at least one polyamine or/and polyamine salt, water or an aqueous solvent mixture, and optionally one or more additives. The invention further relates to the use of such composition as a component of a transdermal patch or of an iontophoretic transdermal patch, as well as to the use of such composition in a method for transdermally and/or iontophoretically administering cationic active agents. The invention further includes methods for determining the in vitro skin permeation properties of an active-agent-containing iontophoretic composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.