In May 2008 Molecular Insight Pharmaceuticals announced the opening of a Phase IIa trial of Azedra, the I-131 MIBG molecule radiolabeled using Molecular Insight’s proprietary Ultratrace technology, which removes unnecessary nonradioactive molecules, effectively concentrating radiation in the neuroblastoma tumor cells. In November 2006, DRAXIS Health received approval from the U.S. Food and Drug Administration (FDA) to run two clinical trials using radioactive Iobenguane I-131 Injection (I-131 MIBG) to treat high-risk neuroblastoma. These trials are coordinated by a group of 11 children’s hospitals and two universities in the United States known as the New Advances in Neuroblastoma Therapy (NANT) consortium, and are continuations of earlier NANT studies. The trials were expected to start in December 2006 or early 2007. ^[1]

In February 2007, a study in in Sweden reported that a common painkiller, might inhibit the development of neuroblastoma and help make treatment of the disease more effective. Celecoxib, an analgesic, anti-inflammatory substance that works by inhibiting the effect of the inflammatory enzyme, Cox-2, and thus could affect neuroblastoma tumors, which depend on Cox-2 for their growth and proliferation. Clinical studies are now planned; research to date has been done only in animals and cell cultures.^[2]

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