Exhibit 32.1

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

I, Gary S.  Kledzik,  certify,  pursuant to 18 U.S.C.  Section  1350, as adopted
pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,  that the Quarterly
Report of  Miravant  Medical  Technologies  on Form 10-Q for the fiscal  quarter
ended March 31, 2004 fully  complies with the  requirements  of Section 13(a) or
15(d) of the Securities  Exchange Act of 1934 and that information  contained in
such Quarterly Report on Form 10-Q fairly presents in all material  respects the
financial condition and results of operations of Miravant Medical Technologies.

                                                     By:./s/ Gary S. Kledzik
                                                   -----------------------------
                                                       Name: Gary S. Kledzik
                                                Title:   Chief Executive Officer



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

I, John M.  Philpott,  certify,  pursuant to 18 U.S.C.  Section 1350, as adopted
pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,  that the Quarterly
Report of  Miravant  Medical  Technologies  on Form 10-Q for the fiscal  quarter
ended March 31, 2004 fully  complies with the  requirements  of Section 13(a) or
15(d) of the Securities  Exchange Act of 1934 and that information  contained in
such Quarterly Report on Form 10-Q fairly presents in all material  respects the
financial condition and results of operations of Miravant Medical Technologies.

                                                   By: /s/ John M. Philpott
                                               ---------------------------------
                                                     Name: John M. Philpott
                                                Title:   Chief Financial Officer