NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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ammonium trichlorotellurate
A synthetic non-toxic tellurium derivative, structurally similar to cisplatin, with immunostimulatory and anti-hair loss properties. Ammonium trichlorotellurate induces production of colony stimulating factor (CSF), interleukin-2 (IL-2), and IL-2 receptors by increasing the calcium ion influx through the cell membrane and subsequently exerts its immunostimulatory effects through the CSF-mediated increase in macrophage/granulocytes. This agent is also a potent inducer of interferon and a spectrum of cytokines such as IL-1, IL-6, and tumor necrosis factor (TNF). In animal studies, ammonium trichlorotellurate exerts its anti-hair loss effect by inducing anagen and obstructing spontaneous catagen via promoting follicular keratinocyte proliferation and interfering with terminal differentiation, respectively. Check for active clinical trials using this agent. (NCI Thesaurus)

US brand name:Ossirene
Code name:AS-101
IVX-Q-101
Chemical structure:tellurate(1-), trichloro[1,2-ethanediolato(2-)-.kappa.O,.kappa.O']-,ammonium, (SP-5-22)-