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- Title
Satraplatin.
- Abstract
Satraplatin [BMS 182751, BMY 45594, JM 216] belongs to a series of orally-active platinum compounds with anticancer activity. It was jointly originated by Bristol-Myers Squibb, Johnson Matthey and the Institute of Cancer Research in the UK; however, Johnson Matthey has since ceased involvement with drug development. Subsequently, the agent has been licensed to and is under development with GPC Biotech, Pharmion and Spectrum Pharmaceuticals. Clinical trials are underway to evaluate satraplatin among patients with different tumour types, including prostate, breast, cervical and lung cancers. The compound is under regulatory review with the US FDA for the treatment of hormone-refractory prostate cancer. NeoTherapeutics (now Spectrum Pharmaceuticals) granted GPC Biotech an exclusive worldwide licence to develop and market satraplatin in October 2002. Under the terms of the agreement, GPC Biotech is fully funding development costs and commercialisation requirements for the drug. The deal also involves GPC Biotech paying a signing fee, milestone and royalty payments. Spectrum is a member of a joint development committee headed by GPC Biotech to govern development of satraplatin. Previously in October 2001, NeoOncoRx (Spectrum Pharmaceuticals) gained the rights to develop and market the compound worldwide. In December 2005, GPC Biotech and Pharmion Corporation entered into a codevelopment and license agreement for satraplatin. Under the agreement terms, Pharmion has exclusive commercialisation rights for Europe, Turkey, the Middle East, Australia and New Zealand, while GPC Biotech retains rights to North America and all other territories. Pharmion made an upfront payment of $US37. 1 million to GPC Biotech, which included reimbursement for past clinical development costs plus funding for ongoing and certain clinical development activities to be jointly conducted by the companies. In addition, both parties will pursue a joint development plan for satraplatin in a variety of tumour types and will share global development costs, for which Pharmion has made an additional commitment of $US22.2 million. GPC Biotech could also receive up to $US270 million in milestone payments and royalties on sales. Both companies will manage regulatory and commercial activities in their respective territories. A registrational phase III study is ongoing among 950 patients with I-IRPC. This global, multicentre, randomised study, called SPARC (Satraplatin and Prednisone Against Refractory Cancer), is assessing satraplatin plus prednisone versus prednisone alone as second-line therapy in HRPC patients. Top-line results from the trial showed that patients who received satraplatin plus prednisone had a 40% reduction in the risk of progression compared with patients who received prednisone plus placebo. In accordance with the recommendation of the independent Data Monitoring Board for the SPARC trial, patients who have not progressed will continue to be treated and all patients will be followed for overall survival. The company expects to have final overall survival results in the fall of 2007. The company intends to complete the NDA filing with the FDA before the end of 2006. In February 2006, GPC Biotech raised &3x20AC;36.2 million from a private placement of shares; the funds will be used in the commercialisation of satraplatin in the US. GBC Biotech received a Scientific Advice letter from the EMEA in January 2004, enabling the company to use the SPARC trial for registrational plans in both Europe and the US. Data from the pivotal phase III trial are expected in the second half of 2006. If positive, the findings will form the basis of a MAA filing with the EMEA for satraplatin as a second-line therapy of HRPC.…
- Subjects
PLATINUM compounds; ANTINEOPLASTIC agents; LICENSED products; GPC Biotech AG; PHARMION Corp.; SPECTRUM Pharmaceuticals Inc.; PATENT law
- Publication
Drugs in R&D, 2007, Vol 8, Issue 2, p125
- ISSN
1174-5886
- Publication type
Article
- DOI
10.2165/00126839-200708020-00008