Filed pursuant to Rule 424(b)(3) Registration No. 333-74604 PROSPECTUS SUPPLEMENT NO. 1 DATED FEBRUARY 11, 2002 TO PROSPECTUS DATED DECEMBER 13, 2001 PRO-PHARMACEUTICALS, INC. 2,650,462 Shares of Common Stock $.001 par value We are using this prospectus supplement in connection with our "best efforts" offering of 1,428,572 shares of our common stock, $.001 par value per share. Extension of Offering Period. We are extending the offering of our common stock from February 11, 2002 until April 12, 2002. You should read this prospectus supplement together with our prospectus dated December 13, 2001, which is to be delivered with this prospectus supplement. The date of this Prospectus Supplement is February 11, 2002.