Press Release

Pro-Pharmaceuticals Changes Company Name to Galectin Therapeutics

Newton, MA – May 26, 2011 – Pro-Pharmaceuticals, Inc. (OTC: PRWP) today announced that it has changed its name to Galectin Therapeutics, Inc. to more accurately reflect the Company’s core expertise in galectin science and its leading platform for the creation of galectin inhibitors to treat serious diseases including fibrosis and cancer. The name change was implemented by Galectin Therapeutics’ Board of Directors pursuant to authorization by the Company’s shareholders in a vote recorded at the Annual Stockholders Meeting on May 26, 2011. Galectin Therapeutics’ stock will continue to trade under the symbol "PRWP" but the Company anticipates that it will begin trading under a new ticker symbol in the near future.

"Galectin proteins are critical drug targets because they play a fundamental role in the progression of a wide variety of serious diseases," commented James Czirr, Executive Chairman. "We are naming our company Galectin Therapeutics based on the combination of our pioneering galectin science coupled with our novel carbohydrate drug discovery platform."

"We anticipate exciting developments in each of the programs in our promising portfolio of galectin inhibitors over the near-term," said Peter G. Traber, M.D., President and CEO. "We are enthusiastic about our liver fibrosis program which is in late pre-clinical development. The mechanism of galectin inhibition is well suited to the treatment of liver fibrosis, a critical condition with a high patient mortality, high cost to the healthcare system and no therapeutic options other than liver transplantation. In tumor immunology, a Phase 1/2 study of GM-CT-01 in combination with various tumor antigens for metastatic melanoma is planned for the third quarter of this year through our collaboration with The Ludwig Institute of Cancer Research in Belgium. Additionally, we are seeking approval for GM-CT-01 used in combination with 5-FU to treat colorectal cancer in Colombia as part of a South American commercialization effort with a decision anticipated in early 2012."

Galectin Therapeutics Portfolio Overview

Galectin Therapeutics is focusing its galectin inhibitor development efforts in two key disease areas: fibrosis and cancer.
 

  • Liver Fibrosis: The Company is developing galectin inhibitors to treat liver fibrosis, the end-stage of cirrhosis, caused by a variety of serious conditions. Liver fibrosis is a disease with no current treatment options except liver transplantation. Galectin Therapeutics candidates have demonstrated the ability to arrest and reverse liver fibrosis in pre-clinical studies. Galectin Therapeutics’ efforts in cancer encompass two distinct programs, cancer chemotherapy and cancer immunotherapy:
  • Cancer Chemotherapy: The Company is currently pursuing marketing approval in Colombia for the use of GM-CT-01 (formerly known as DAVANAT) in combination with 5-FU for metastatic colorectal cancer. GM-CT-01 will be commercialized by Galectin Therapeutics’ partner, Pro-Caps, pending regulatory approval in Colombia. Further development and commercialization of GM-CT-01 is dependent on the outcome of approval and marketing efforts in South America and the design of clinical trials in the United States.
  • Cancer Immunotherapy: The Ludwig institute is planning a Phase 1/2 trial of GM-CT-01 for patients with advanced metastatic melanoma. Patients will receive a tumor-specific peptide vaccination combined with systemic and intra-tumor GM-CT-01.


Conference Call and Webcast

Galectin Therapeutics, Inc. will host a conference call at 10:00 A.M. Eastern Time on Thursday, May 26, 2011 to provide an update following the Company’s Annual Meeting of Stockholders.

The conference call and presentation will be webcast live over the Internet and can be accessed by logging on to the Company’s website at www.pro-pharmaceuticals.com or www.galectintherapeutics.com. The call can also be accessed by dialing (866) 730-5767 (within the United States) or (857) 350-1591 (outside the United States). The passcode for participants is 46723312.

A replay of the call will be available after the live call concludes through June 9, 2011. To access the replay, dial (888) 286-8010 (within the United States) or (617) 801-6888 (outside the United States). The passcode is 45631839. The webcast will also be archived on the Company's website.

About Galectin Therapeutics

Galectin Therapeutics (OTC: PRWP) is developing promising carbohydrate-based therapies for fibrotic liver disease and cancer based on the company’s unique understanding of galectin proteins, key mediators of biologic function. We are leveraging extensive scientific and development expertise as well as established relationships with external sources to achieve cost effective and efficient development. We are pursuing a clear development pathway to clinical enhancement and commercialization for our lead compounds in liver fibrosis and cancer. Additional information is available at www.galectintherapeutics.com Forward Looking Statements This press release contains, in addition to historical information, forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to future events or future financial performance, and use words such as "may," "estimate," "could," "expect" and others. They are based on our current expectations and are subject to factors and uncertainties which could cause actual results to differ materially from those described in the statements. Factors that could cause our actual performance to differ materially from those discussed in the forward-looking statements include, among others: incurrence of operating losses since our inception, uncertainty as to adequate financing of our operations, extensive and costly regulatory oversight that could restrict or prevent product commercialization, inability to achieve commercial product acceptance, inability to protect our intellectual property, dependence on strategic partnerships, product competition, and others stated in risk factors contained in our SEC filings. We cannot assure that we have identified all risks or that others may emerge which we do not anticipate. You should not place undue reliance on forward-looking statements. Although subsequent events may cause our views to change, we disclaim any obligation to update forward-looking statements.

Contact

Anthony D. Squeglia

Chief Financial Officer

617.559.0033

mailto:squeglia@galectintherapeutics.com

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