Methods of treating tumors susceptible to necrosis
US4837221A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1987 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Mar 26, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides for therapy of tumours susceptible to necrosis by a porphyrin when an appropriate porphyrin compound is administered to locate in the tumor followed by illumination with light of a wavelength absorbed by the compound, making use of meso-porphyrins of the formula: ##STR1## where n=1 to 3 and each substitutent R, the same or different and at the same or different position in its respective substituent phenyl ring or other aromatic group replacing that ring, is an hydroxy, amino or sulphydryl group, by association of said meso-porphyrins with a suitable pharmaceutical diluent or carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.