Photodynamic therapy of glioma or mammary carcinoma using seleno- or telluropyrylium salts
US5047419A · kind A · utility
3Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1988 |
| Grant date | Sep 10, 1991 |
| Priority date | — |
| Expiry date | Oct 24, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are disclosed pyrylium salts and a method of using them medicinally in photodynamic therapy for increasing the survival time of animals affected with glioma or mammary carcinoma. The salts are seleno- or telluropyrylium compounds having a singlet oxygen quantum efficiency of at least 0.005 when exposed as described at wavelengths between about 650 and 1000 nanometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.