Patent 7989188 was granted and assigned to Biosight Ltd. on August, 2011 by the United States Patent and Trademark Office.
The present invention relates to conjugates of a drug and an amino acid or an amino acid derivative or analog, pharmaceutical compositions that include the conjugates and methods of use thereof. In particular, the present invention relates to conjugates of anti-proliferative drugs and asparagine and glutamine and analogs thereof as compositions for treatment of cancer, and conjugates of imaging agent carriers and amino acids for the diagnosis of tumors and metastases.