EXHIBIT 32.1


    CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                 SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


     In connection with the Annual Report of DELCATH SYSTEMS, INC. (the
"Company") on Form 10-K for the year ended December 31, 2006 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Richard
Taney, the Chief Executive Officer of the Company, certify, pursuant to 18
U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of
2002, that:

     (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.


                                                 /s/ RICHARD TANEY
                                               -------------------------------
                                               Richard Taney
                                               Chief Executive Officer

March 16, 2007