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, to my knowledge that
the Quarterly Report of Miravant Medical  Technologies on Form 10-Q, as amended,
for the fiscal quarter ended June 30, 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, as amended,  fairly
presents  in all  material  respects  the  financial  condition  and  results of
operations of Miravant Medical Technologies, as of, and for the period presented
in such report.

                                      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, to my knowledge that
the Quarterly Report of Miravant Medical  Technologies on Form 10-Q, as amended,
for the fiscal quarter ended June 30, 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, as amended,  fairly
presents  in all  material  respects  the  financial  condition  and  results of
operations of Miravant Medical Technologies, as of, and for the period presented
in such report.

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