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Trade names  Exherin
CAS Number  229971-81-7
ChemSpider  8091706
Molar mass  570.69 g/mol
ATC code  none
PubChem CID  9916058
Formula  C22H34N8O6S2
ADH-1 httpsuploadwikimediaorgwikipediacommonsthu

ADH-1 (brand name Exherin) is a small, cyclic pentapeptide vascular-targeting drug. It was developed by Adherex Technologies.

ADH-1 selectively and competitively binds to and blocks N-cadherin, which may result in disruption of tumor vasculature, inhibition of tumor cell growth, and the induction of tumor cell and endothelial cell apoptosis. N-cadherin, a cell- surface transmembrane glycoprotein of the cadherin superfamily of proteins involved in calcium-mediated cell–cell adhesion and signaling mechanisms; may be upregulated in some aggressive tumors and the endothelial cells and pericytes of some tumor blood vessels.

In 2006, Adherex and NCI formed a Clinical Trial Agreement stating that NCI will sponsor clinical trials of ADH-1 in a variety of cancer types. ADH-1 received orphan drug status from the FDA in 2008.

In a pilot study (phase I trial), ADH-1 intravenous pretreatment before chemotherapy in metastatic melanoma completely destroyed tumors in half of patients. It is being investigated for advanced extremity melanoma in phase II trials.


ADH-1 Wikipedia

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