Patent 7662851 was granted and assigned to Axelar AB on February, 2010 by the United States Patent and Trademark Office.
The invention refers to the use of specific cyclolignans, wherein the carbon atoms in positions 9 and 9′ have cis configuration, for inhibition of the insulin-like growth factor-1 receptor. Said compounds can be used for treatment of IGF-1R dependent diseases, such as cancer, psoriasis, atherosclerosis and acromegaly. A preferred compound is picropodophyllin.