Patent · US Active

Transdermal therapeutic system for 5-aminolevulinic acid hydrochloride

US10307382B2 · kind B2 · utility

8Cited by

3References

12Claims

0Family size

Assignee

Photonamic GmbH & Co. KG · DE

Inventors

Tobias Jung · Fürstenfeldbruck, DE
Michael Horstmann · Neuwied, DE
Gerd Hoffmann · Bruchköbel, DE

Key dates

Filing date	Aug 24, 2012
Grant date	Jun 4, 2019
Priority date	—
Expiry date	May 7, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P35/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a transdermal therapeutic system, comprising a back layer that is impermeable to an active ingredient, a polymer matrix containing the active ingredient, and a protective layer that can be pulled off, wherein 5-aminolevulinic acid hydrochloride is used as the active ingredient and the basic polymer of the polymer matrix is an adhesive polyacrylate. Said transdermal therapeutic system is suitable for diagnosing and treating preliminary stages of skin cancer, such as actinic keratosis, and oncological skin diseases.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.