Form: POS AM

Post-effective amendment to a registration statement that is not immediately effective upon filing

November 17, 2006

Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors
Novelos Therapeutics, Inc.
 
We consent to the use of our report dated March 22, 2006, except for Notes 5 and 13 for which the date is November 1, 2006, in the Registration Statement No. 333-133043 of Novelos Therapeutics, Inc. on Form SB-2 (Post-Effective Amendment No. 1), relating to the registration of 34,285,449 shares of common stock. We also consent to the use of our name and the reference to us in the ‘‘Experts’’ section of this registration statement.
       
       
/s/ Stowe & Degon
   

Worcester, MA
November 16, 2006