Helix Biopharma Corp., of Richmond Hill, Ontario, said it closed a private placement financing for gross proceeds of C$456,000 (US$347,082). The terms of the placement are for the purchase of units at C$1.20 each with each unit comprising one common share and one common share purchase warrant to purchase one common share at C$1.50. The company intends to use the net proceeds for working capital and research and development activities.