Abstract: A diagnostic composition suitable for administration to a warm-blooded animal comprising hirudin or a molecule capable of interacting with the hirudin receptor labeled with a radionuclide by means of a chelate ligand capable of administration to an animal to produce reliable visual imaging of thrombus.
Type:
Grant
Filed:
February 5, 1992
Date of Patent:
December 6, 1994
Assignee:
Mallinckrodt Medical, Inc.
Inventors:
Raghavan Rajagopalan, Leon R. Lyle, Thomas J. Dunn
Abstract: Compounds which are amino acid derivatives and have the formula ##STR1## in which R.sup.1 is hydrogen or methyl, R.sup.2 is ethyl, propyl or imidazol-4-yl, R.sup.3 is isobutyl, cyclohexylmethyl or benzyl, and A is defined as herein are useful as renin inhibitors.
Type:
Grant
Filed:
May 4, 1992
Date of Patent:
October 5, 1993
Assignee:
Hoffmann-La Roche Inc.
Inventors:
Quirico Branca, Albrecht Edenhofer, Eva-Maria Gutknecht, Werner Neidhart, Henri Ramuz, Wolfgang Wostl