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<title>Form 8-K
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<font face="Times New Roman, Times, Serif" size=5><b>UNITED STATES<br>
SECURITIES AND EXCHANGE COMMISSION<br></b></font>
<font face="Times New Roman, Times, Serif" size=2>Washington, DC 20549</font>
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<font face="Times New Roman, Times, Serif" size=5><b>FORM 8-K<br>
<br></b></font></p>
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<font face="Times New Roman, Times, Serif" size=5><b>CURRENT REPORT</b></font><br><font face="Times New Roman, Times, Serif" size=2><b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934<br></b></font></p>
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<font face="Times New Roman, Times, Serif" size=2>Date of Report&nbsp;&nbsp;(Date of earliest event reported):&nbsp;&nbsp;&nbsp;&nbsp;July 22, 2003</font><br></p>
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<font face="Times New Roman, Times, Serif" size=5><b>MILLENNIUM PHARMACEUTICALS, INC.</b></font><br><font face="Times New Roman, Times, Serif" size=2>(Exact name of registrant as specified in its charter)</font></p>
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<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>Delaware</b></font></td>
<td width=34% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>0-28494</b></font></td>
<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2><b>04-3177038</b></font></td>
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<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(State or other jurisdiction<br>of incorporation)</font></td>
<td width=34% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(Commission file number)</font></td>
<td width=33% align=center valign=top><font face="Times New Roman, Times, Serif" size=2>(IRS&nbsp;Employer<br>Identification&nbsp;No.)</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2><b>75 Sidney Street<br>Cambridge, Massachusetts 02139</b><br>
(Address of principal executive offices)&nbsp;(zip code)</font></p>

<p align=center><font face="Times New Roman, Times, Serif" size=2><b>(617)&nbsp;&nbsp;679-7000<br></b>
(Registrant's telephone number, including area code)</font></p>

<p align=center><font face="Times New Roman, Times, Serif" size=2><b>Not applicable<br></b>
(Former name or former address if changed since last report)</font></p>



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<td width=9%><font face="Times New Roman, Times, Serif" size=2><b>Item&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.</b></font></td>
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<td width=68% align=left><font face="Times New Roman, Times, Serif" size=2><b>Regulation FD Disclosure (Information furnished pursuant to Item 12, "Disclosure of Results of Operations and Financial
              Condition").</b></font></td>
<td width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<p align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On July 22, 2003, Millennium Pharmaceuticals, Inc. issued a press release to report the company's financial results for the
quarter ended June 30, 2003.  The full text of the press release is attached to this current report on Form 8-K as Exhibit 99.1.</font></p>

<p align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In accordance with the procedural guidance in SEC Release No. 33-8216, the information in this Form 8-K and the Exhibit
attached hereto is being furnished under "Item 9. Regulation FD Disclosure" rather than under "Item 12. Disclosure of Results of
Operations and Financial Condition."  The information shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by
specific reference in such a filing.</font></p>


<p align=center><font face="Times New Roman, Times, Serif" size=2>2</font></p>
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<p align=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2><b><a name="sig">SIGNATURE</a></b></font></p>

<p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned hereunto duly authorized.</font></p>




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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td colspan=2><font face="Times New Roman, Times, Serif" size=2>MILLENNIUM PHARMACEUTICALS, INC.<br>(Registrant)<br><br></font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Date: July 22, 2003&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>By&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>/s/&nbsp;&nbsp;KENNETH M. BATE</font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2></font><hr noshade></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>Kenneth M. Bate</font></td>
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<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=30%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=4%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=36% align=left><font face="Times New Roman, Times, Serif" size=2>Executive Vice President,<br>Head of Commercial Operations and<br>Chief Financial Officer</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2>3</font></p>
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<p><font face="Times New Roman, Times, Serif" size=2><b><a name="index">EXHIBIT INDEX</a></b></font></p>

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<th width=9% align=center colspan=2><font face="Times New Roman, Times, Serif" size=2>Exhibit No.<br></font><hr noshade></th>
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<th width=68% align=center><font face="Times New Roman, Times, Serif" size=2>Description<br></font><hr noshade></th>
<th width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></th>
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<td width=3%><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
<td width=6%><font face="Times New Roman, Times, Serif" size=2>99.1</font></td>
<td width=3%>&nbsp;</td>
<td width=68% align=left><font face="Times New Roman, Times, Serif" size=2>Press Release of Millennium Pharmaceuticals, Inc. dated July 22, 2003
</font></td>
<td width=20% align=left><font face="Times New Roman, Times, Serif" size=2>&nbsp;</font></td>
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<p align=center><font face="Times New Roman, Times, Serif" size=2>4</font></p>
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Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report  (Date of earliest event reported):    July 22, 2003
MILLENNIUM PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)
Delaware
0-28494
04-3177038
(State or other jurisdiction
of incorporation)
(Commission file number)
(IRS Employer
Identification No.)
75 Sidney Street
Cambridge, Massachusetts 02139
(Address of principal executive offices) (zip code)
(617)  679-7000
(Registrant's telephone number, including area code)
Not applicable
(Former name or former address if changed since last report)
Item     9.
Regulation FD Disclosure (Information furnished pursuant to Item 12, "Disclosure of Results of Operations and Financial
              Condition").
On July 22, 2003, Millennium Pharmaceuticals, Inc. issued a press release to report the company's financial results for the
quarter ended June 30, 2003.  The full text of the press release is attached to this current report on Form 8-K as Exhibit 99.1.
In accordance with the procedural guidance in SEC Release No. 33-8216, the information in this Form 8-K and the Exhibit
attached hereto is being furnished under "Item 9. Regulation FD Disclosure" rather than under "Item 12. Disclosure of Results of
Operations and Financial Condition."  The information shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934 (the "Exchange Act") or otherwise subject to the liabilities of that section, nor shall it be deemed
incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by
specific reference in such a filing.
2
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned hereunto duly authorized.
MILLENNIUM PHARMACEUTICALS, INC.
(Registrant)
Date: July 22, 2003
By
/s/  KENNETH M. BATE
Kenneth M. Bate
Executive Vice President,
Head of Commercial Operations and
Chief Financial Officer
3
EXHIBIT INDEX
Exhibit No.
Description
99.1
Press Release of Millennium Pharmaceuticals, Inc. dated July 22, 2003
4