Patent · US Active

Photodynamic therapy, formulation usable for this purpose, and method for the production and use thereof

US10143751B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

SANOCHEMIA PHARMAZEUTIKA AG · AU

Inventors

Stefan Welzig · Wien, AT
Gregor Medinger · Sag Harbor, US
Beate Kalz · Steinbrunn, AT
Jozsef Gungl · Ágfalva, HU
Klaus Gerdes · Düsseldorf, DE
Werner Frantsits · Wien, AT
Christina Abrahamsberg · Wien, AT

Key dates

Filing date	Oct 8, 2015
Grant date	Dec 4, 2018
Priority date	—
Expiry date	Sep 2, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61N2005/0663
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Photodynamic therapy of tumors such as bladder tumors includes photosensitizing with a photosensitizer that is a complex or a compound of hypericin and a polymeric complexing agent. The photosensitizer is formed from an alkali salt of hypericin and the polymeric complexing agent. The alkali salt of hypericin is a sodium salt or a potassium salt. The complexing agent is a polyethylene glycol or a poly-N-vinyl amide.

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