UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
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): May 20, 2005
(Exact name of registrant as specified in its charter)
MASSACHUSETTS |
000-19319 |
04-3039129 |
130 Waverly Street
Cambridge, Massachusetts 02139
(Address of principal executive offices) (Zip Code)
(617) 444-6100
Registrants telephone number, including area code:
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Item 8.01. Other Events.
On May 10, 2005, Vertex Pharmaceuticals Incorporated (the Company) issued a press release that announced interim results indicating that the Companys investigational oral hepatitis C virus (HCV) protease inhibitor, VX-950, was well-tolerated and demonstrated potent antiviral activity in a Phase Ib clinical trial. A copy of that press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
On May 17, 2005, the Company issued a press release that described the results of the Phase Ib clinical trial in further detail. A copy of that press release is attached hereto as Exhibit 99.2 and is incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits.
(c) Exhibits
Exhibit |
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Description of Document |
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99.1 |
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Press Release of Vertex Pharmaceuticals Incorporated, dated May 10, 2005, titled Vertex Pharmaceuticals Reports that VX-950, an Investigational Oral Hepatitis C Protease Inhibitor, Displays Potent Antiviral Activity in Early Clinical Study. |
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99.2 |
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Press Release of Vertex Pharmaceuticals Incorporated, dated May 17, 2005, titled Vertex Pharmaceuticals Reports that Oral Hepatitis C Protease Inhibitor, VX-950, Dramatically Reduces Viral Levels in Phase Ib Clinical Study. |
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.
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VERTEX PHARMACEUTICALS INCORPORATED |
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Date: May 20, 2005 |
/s/ Kenneth S. Boger |
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Kenneth S. Boger |
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