Curcumin-antibody conjugates as anti-cancer agents
US9446145B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2010 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Dec 1, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to curcumin derivatives having the formula I: wherein: Z represents: H3CO A represents —CH2—CH2— or —CH═CH—; L represents —C(O)—(NH)n1—R—(NH)n2—C(O)—; R represents a saturated or unsaturated, branched or unbranched hydrocarbyl chain having a minimum of 3 carbon atoms in the chain; wherein the maximum number of carbon atoms in the chain is 24; and wherein the carbon atoms of the chain can be replaced by at least one heteroatom, wherein the heteroatoms are independently —O— or —NH2—, with the proviso that each heteroatom is separated from each other heteroatom by at least two carbon atoms; n1 and n2 independently represent 0 or 1; and Y represents an antibody that binds specifically to a target antigen of a tumor cell. The invention further relates to methods of method of inhibiting the growth of tumors in a human by administering an effective amount of the curcumin derivative, and to methods of producing the curcumin derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.