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                                                                    EXHIBIT 23.3

                       CONSENT OF INDEPENDENT ACCOUNTANTS

         We hereby consent to the incorporation by reference in this
Registration Statement on Form S-3 of Millennium Pharmaceuticals, Inc. of our
report dated February 12, 1999 relating to the financial statements of CytoMed,
Inc., which appears in the Current Report on Form 8-K/A of Millennium
Pharmaceuticals, Inc. dated January 6, 2000. We also consent to the reference to
us under the heading "Experts" in such Registration Statement.


                                            /s/ PricewaterhouseCoopers LLP


Boston, Massachusetts
July 28, 2000



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