0001144204-09-022455 424B3 1 20090427 20090427 NOVELOS THERAPEUTICS, INC. 0001279704 2834 043321804 DE 1231 424B3 33 333-143263 09773057 ONE GATEWAY CENTER, SUITE 504 NEWTON MA 02458 617-244-1616 ONE GATEWAY CENTER, SUITE 504 NEWTON MA 02458 COMMON HORIZONS INC 20040211 424B3 1 v147234_424b3.htm