Healthcare Industry News:  taxane 

Biopharmaceuticals Oncology

 News Release - October 22, 2007

European Symposium on Phenoxodiol as an Investigational Drug for Ovarian Cancer Management

Worldwide Pivotal Phase III Study in Women With Recurrent Ovarian Cancer Underway in USA, Europe and Australia

SYDNEY, AUSTRALIA and BERLIN and NEW CANAAN, CT--(Healthcare Sales & Marketing Network)--Oct 22, 2007 -- A symposium on platinum resistant ovarian cancer will be held at the European Society for Gynecological Oncology in Berlin on Sunday, 28 October. Leading cancer researchers will speak at the symposium which will focus on advances in platinum therapies and the potential for phenoxodiol as a promising new investigational drug to restore platinum sensitivity in platinum resistant ovarian cancer.

Phenoxodiol is being developed by the US oncology company Marshall Edwards, Inc. (NasdaqGM:MSHL ) as a novel therapeutic in combination with carboplatin for late-stage chemoresistant ovarian cancers, as well as a monotherapy for prostate and cervical cancers. Phenoxodiol is a novel-acting drug that inhibits key pro-survival signaling pathways operating within cancer cells causing selective cancer cell death and increased susceptibility to drugs like platinum and taxane, to which most ovarian cancer patients become resistant in late stage disease.

The Berlin symposium will be chaired by Professor Hani Gabra of the Ovarian Cancer Action Research Centre, Imperial College London, UK, and Professor Ignace Vergote, of the Catholic University of Leuven, Belgium.

Speakers at the symposium, will include Prof. Gabra as well as Professor Maria van der Burg (Erasmus University, Dijkzigt Hospital, Rotterdam, Netherlands), Professor David Bowtell (Peter MacCallum Cancer Centre, Melbourne, Australia) and Professor Alan Husband (Director of Research for Marshall Edwards, Inc.).

A major multinational study, the OVArian TUmor REponse (OVATURE) Trial, is now underway in over 60 centers around the world. This is a major multi-center multinational Phase III clinical trial of phenoxodiol in women with advanced ovarian cancer resistant or refractory to platinum-based drugs, to determine its safety and effectiveness when used in combination with carboplatin. Preliminary results from the trial are expected within 18 months. For more information on the trial, visit

About phenoxodiol:

Phenoxodiol is being developed as a chemosensitizing agent, in combination with platinum drugs for late stage, chemoresistant ovarian cancer and as a monotherapy for prostate and cervical cancers. It has a unique mechanism of action, binding to cancer cells via a surface oxidase, causing major downstream disturbances in expression of proteins necessary for their survival and responsible for the development of drug resistance.

Phenoxodiol appears to selectively inhibit the pro-survival regulator in cancer cells known as S-1-P (sphingosine-1-phosphate) that is over expressed in cancer cells. In response to phenoxodiol, the S-1-P content in cancer cells is decreased rendering those cells more sensitive to chemotherapy. Indeed, in laboratory studies, it has been demonstrated that cancer cells pre-treated with phenoxodiol were killed with lower doses of chemotherapy drugs.

Importantly, phenoxodiol has been shown not to adversely affect normal cells in animal and laboratory testing.

Phenoxodiol is being investigated as a therapy for late-stage, chemoresistant ovarian, prostate and cervical cancers. Phenoxodiol has received Fast Track status from the FDA to facilitate development as a therapy for recurrent ovarian and prostrate cancers.

Phenoxodiol is an investigational drug and, as such, is not commercially available. Under U.S. law, a new drug cannot be marketed until it has been investigated in clinical trials and approved by FDA as being safe and effective for the intended use.

Phenoxodiol is the first of a family of compounds in the Marshall Edwards, Inc.' drug pipeline of flavanoid derivatives.

About Marshall Edwards, Inc:

Marshall Edwards, Inc. (NasdaqGM:MSHL ) is a specialist oncology company focused on the clinical development of novel anti-cancer therapeutics. These derive from a flavonoid technology platform, which has generated a number of novel compounds characterized by broad ranging activity against a range of cancer cell types with few side effects. The combination of anti-tumor cell activity and low toxicity is believed to be a result of the ability of these compounds to target an enzyme present on the surface of cancer cells, thereby inhibiting the production of pro-survival proteins within the cell. Marshall Edwards, Inc. has licensed rights from Novogen Limited (NasdaqGM:NVGN ) to bring three oncology drugs -- phenoxodiol, NV-196 and NV-143 -- to market globally. The Company's lead investigational drug, phenoxodiol, is in a Phase III multinational multi-centered clinical trial for patients with recurrent ovarian cancer. More information on the trial can be found at

Marshall Edwards, Inc. is majority owned by Novogen, an Australian biotechnology company that is specializing in the development of therapeutics based on a flavonoid technology platform. Novogen, based in Sydney, Australia, is developing a range of therapeutics across the fields of oncology, cardiovascular disease and inflammatory diseases. More information on phenoxodiol and on the Novogen group of companies can be found at and


(1) Piura B and Meirovitz M. Weekly single-agent carboplatin in heavily pretreated patients with recurrent ovarian, peritoneal and fallopian tube carcinoma. Eur J Gynaecol Oncol. 2005;26(4):386-90.

(2) Van der Burg ME, van der Gaast A, Vergote I, Burger CW, van Doorn HC, de Wit R, Stoter G, Verweij J. What is the role of dose-dense therapy? Int J Gynecol Cancer. 2005 Nov-Dec;15 Suppl 3:233-240.

(3) CaDron I, Leunen K, Amant F, Van Grop T, Neven P, Vergote I. The "Leuven" dose dense paclitaxel/carboplatin regimen in patients with recurrent ovarian cancer. Gynecol Oncol 2007, in press.

Under U.S. law, a new drug cannot be marketed until it has been investigated in clinical trials and approved by the FDA as being safe and effective for the intended use. Statements included in this press release that are not historical in nature are "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. You should be aware that our actual results could differ materially from those contained in the forward-looking statements, which are based on management's current expectations and are subject to a number of risks and uncertainties, including, but not limited to, our failure to successfully commercialize our product candidates; costs and delays in the development and/or FDA approval, or the failure to obtain such approval, of our product candidates; uncertainties in clinical trial results; our inability to maintain or enter into, and the risks resulting from our dependence upon, collaboration or contractual arrangements necessary for the development, manufacture, commercialization, marketing, sales and distribution of any products; competitive factors; our inability to protect our patents or proprietary rights and obtain necessary rights to third party patents and intellectual property to operate our business; our inability to operate our business without infringing the patents and proprietary rights of others; general economic conditions; the failure of any products to gain market acceptance; our inability to obtain any additional required financing; technological changes; government regulation; changes in industry practice; and one-time events. We do not intend to update any of these factors or to publicly announce the results of any revisions to these forward-looking statements.

Source: Marshall Edwards

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