MedKoo product information:

 D-3263

Enteric-coated TRPM8 agonist D-3263 hydrochloride is an enteric-coated orally bioavailable formulation of the hydrochloride salt of a small-molecule agonist for transient receptor potential melastatin member 8 (TRPM8 or Trp-p8) with potential antineoplastic activity. The active ingredient in enteric-coated TRPM8 agonist D-3263 hydrochloride binds to and activates TRPM8, which may result in an increase in calcium and sodium entry; the disruption of calcium and sodium homeostasis; and the induction of cell death in TRPM8-expressing tumor cells. This agent may decrease dihydrotestosterone (DHT) levels, which may contribute to its inhibitory effects on prostate cancer and BPH. TRPM8 is a transmembrane calcium channel protein that is normally expressed in prostate cells and appears to be overexpressed in benign prostatic hyperplasia (BPH) and in prostate cancer. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus).

TRPM8 (also known as TRPP8)  is an ion channel that is triggered by cold temperatures and small-molecule agonists and belongs to the melastatin subfamily - one of seven subfamilies of TRP proteins. In normal human tissues, TRPM8 is expressed predominantly in the prostate, a gland in the male reproductive system. It is over-expressed in prostate hyperplasia and multiple types of cancer including prostate cancer, breast cancer, colon cancer and lung cancer. In recent years, it has emerged that TRP channels play a diverse and key role in cell biology and in pathology. Dendreon has synthesized small molecule agonists including D3263 that activate the TRPM8 ion channel and induce cell death. (source: http://www.dendreon.com/research-development/trpm8/).

Current developer:   Dendreon (Seattle, WA, USA)

1. 5-Benzyloxytryptamine as an antagonist of TRPM8 By DeFalco, Jeff; Steiger, Daniel; Dourado, Michelle; Emerling, Daniel; Duncton, Matthew A. J. From Bioorganic & Medicinal Chemistry Letters (2010), 20(23), 7076-7079.

2. Small-molecule modulators of Trp-p8 activity By Moreno, Ofir; Natarajan, Sateesh; Duncan, David F. From PCT Int. Appl. (2009), WO 2009067410 A1 20090528.

3. Small-molecule modulators of Trp-p8 activity By Moreno, Ofir; Natarajan, Sateesh; Duncan, David F. From U.S. Pat. Appl. Publ. (2008), US 20080255185 A1 20081016.

4. Preparation of menthylcarbonylbenzimidazolones and related compounds modulators of Trp-p8 (transient receptor potential-p8) activity By Moreno, Ofir; Natarajan, Sateesh; Duncan, David F. From PCT Int. Appl. (2007), WO 2007095340 A2 20070823.