Cancer imaging and treatment
US8614290B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2008 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Dec 25, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P35/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound, or a pharmaceutically acceptable salt or ester thereof, comprises the structure: [(P1-S1j)p-L-(S2q-P2)r]t wherein: P1 and P2, which may be the same or different, are cyclic oligopeptide moieties, at least one of P1 and P2 having the motif B-Arg or B-(Me) Arg within the cyclic moiety, wherein B is a basic amino acid, a derivative thereof, or phenylalanine or a derivative thereof; S1 and S2 are spacer groups, which may be the same or different; L is a linker moiety containing at least two functional groups for attachment of the cyclic oligopeptides or spacer groups; n and q are independently 0 or 1; p and r are independently integers of 1 or more; and t is an integer of 1 or more, provided that, when t, p or r is greater than 1, the cyclic oligopeptide moiety, spacer group and/or the value of j or q may be the same or different between the multiple (P1-S1j) moieties or multiple (S2q-P2) moieties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.