"Nuvelo, Inc. (Nasdaq: NUVO) today announced that it has been granted two separate fast track designations by the U.S. Food and Drug Administration (FDA) for its product candidate, rNAPc2. The first fast track designation is for first-line treatment of metastatic colorectal cancer (mCRC) to improve progression-free survival and overall survival when added to Avastin(R)-containing 5- flurourocil (5-FU)-based chemotherapy regimens. The other is for second-line treatment of mCRC to improve progression-free survival and overall survival when added to 5-FU-based chemotherapy regimens. Fast track designation, which was mandated by the FDA Modernization Act of 1997, can potentially facilitate development and expedited review of Biologics License Applications (BLA). Fast track designation is reserved for new drugs that demonstrate the potential to address an unmet medical need and are intended for the treatment of a serious or life-threatening condition."

" rNAPc2 is currently being studied in a Phase 2 clinical trial in subjects with mCRC, which accounted for approximately 55,000 colorectal cancer deaths in 2006. The primary objectives of this trial are to determine the safety and efficacy of twice-weekly, subcutaneous rNAPc2 for the second-line treatment of mCRC in combination with select 5-FU-based chemotherapy regimens."

" "Given the magnitude of mCRC related deaths, there is a need for additional safe and effective treatments that prevent metastasis and prolong survival," said Michael Levy, M.D., executive vice president of research and development for Nuvelo. "We are pleased that the FDA has granted us fast track designation and are committed to developing rNAPc2 to further understand its potential to help this underserved patient population.""

" Recombinant nematode anticoagulant protein c2 (rNAPc2) is a recombinant protein that interferes with the tissue factor/factor VIIa/factor Xa protease complex. This complex has been shown to play a role in activating the cellular signaling events leading to metastasis and angiogenesis in a variety of cancers."

" In addition, rNAPc2 has been shown to have a potential anticoagulant effect. This effect results from its ability to prevent new thrombin generation by blocking the factor VIIa/tissue factor protease complex, which is the initial step of coagulation or blood clot formation."

" Colorectal cancer is the second leading cause of cancer related death and the third most commonly diagnosed cancer in the United States. The American Cancer Society estimates that approximately 154,000 cases of colorectal cancer and 52,000 colorectal cancer deaths will occur in 2007."

" Nuvelo, Inc. is dedicated to improving the lives of patients through the discovery, development and commercialization of novel drugs for acute cardiovascular and cancer therapy. Nuvelo's development pipeline includes three acute cardiovascular programs: alfimeprase, a direct-acting thrombolytic for the treatment of thrombotic-related disorders which is suspended pending review and analysis of clinical data; rNAPc2, an anticoagulant that inhibits the factor VIIa and tissue factor
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