SAN DIEGO, March 27, 2012 /PRNewswire/ -- Marshall Edwards, Inc. (Nasdaq: MSHL), an oncology company focused on the clinical development of novel therapeutics targeting cancer metabolism, announced today that it has received a Notice of Effectiveness from the U.S. Securities and Exchange Commission for the Company's registration statement on Form S-1 filed in connection with its previously announced rights offering to existing stockholders. Under the terms of the rights offering, Marshall Edwards will distribute one subscription right for each share of common stock owned to holders of record as of 5:00 p.m., Eastern time, on March 30, 2012. Each subscription right will entitle the holder to purchase one Unit, which consists of 0.5 shares of the Company's common stock and a warrant to purchase 0.25 shares of the Company's common stock. Holders of the Company's outstanding Series A warrants will also receive one subscription right for each share of common stock issuable pursuant to such warrants. Mailing of the offering materials to eligible stockholders is expected to begin on or about April 6, 2012. The subscription period will expire at 5:00 p.m., Eastern time, on May 11, 2012. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities of Marshall Edwards, Inc. nor shall there be any sale of securities in any state or jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. A copy of the prospectus for the rights offering may be obtained by contacting the Company's investor relations department at firstname.lastname@example.org or (858) 369-7199. About Marshall EdwardsMarshall Edwards, Inc. (Nasdaq: MSHL) is a San Diego-based oncology company focused on the clinical development of novel therapeutics targeting cancer metabolism. The Company's lead drug candidates, ME-143 and ME-344, have been shown to interact with specific enzyme targets resulting in inhibition of tumor cell metabolism, a function critical for cancer cell survival. Marshall Edwards initiated a Phase I clinical trial of intravenous ME-143 in patients with solid refractory tumors in September 2011 and expects to collect final safety and pharmacokinetic data from the trial by June 2012. The Company submitted an Investigational New Drug application for ME-344 in March 2012 and plans to initiate a Phase I clinical trial of intravenous ME-344 in patients with solid refractory tumors following approval by the FDA. For more information, please visit www.marshalledwardsinc.com. 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 or differences in interpretation 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, Inc.