Compounds with modifying activity enhanced under hypoxic conditions
US8246967B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 1, 2006 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | May 27, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2500/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions and methods for modifying one or more biologic targets are provided. Suitable targets include cells, DNA, proteins, enzymes, and/or a subject in need thereof. The compositions may exist as a monomer or multimer and are active in a biologic environment with enhanced activity in hypoxic environments and, thus, exhibit improved specificity for hypoxic biologic targets (e.g., tumorigenic cells and those undergoing uncontrolled cell growth). A composition typically comprises a complex with an overall charge of 2+ or greater having at least one ruthenium atom attached to a redox active ligand. The redox active ligand helps maintain separation of more than one ruthenium atom. Suitable compositions may further include a terminal ligand comprising a heterocyclic aromatic compound. When provided to a biologic target, the composition modifies the biologic target and no additional compounds need be provided. Suitable compositions are typically catalytic and regenerative in the presence of a reducing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.