Document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 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): June 6, 2016
    
ALEXION PHARMACEUTICALS, INC.
-----------------------------------------------------------
(Exact name of registrant as specified in its charter)

Delaware
000-27756
13-3648318
------------------
------------------
---------------
(State or other jurisdiction of
incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification No.)


100 College Street, New Haven, Connecticut 06510
---------------------------------------------------------------
(Address of Principal Executive Offices) (Zip Code)

Registrant's telephone number, including area code:    (203) 272-2596
   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):

¨
Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))
¨

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 June 6, 2016, Alexion Pharmaceuticals, Inc. issued a press release announcing topline results from the REGAIN study, a randomized, double-blind, placebo-controlled, multicenter trial evaluating the safety and efficacy of eculizumab (Soliris®) in patients with refractory generalized myasthenia gravis.

A copy of the press release is attached to this report as Exhibit 99.1 and incorporated herein by reference.

Item 9.01    Financial Statements and Exhibits.

(d) Exhibits
 
99.1 Press Release issued by Alexion Pharmaceuticals, Inc. on June 6, 2016.



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.

Date: June 6, 2016
 
ALEXION PHARMACEUTICALS, INC.
 
 
By:    /s/ Michael V. Greco      
Name: Michael V. Greco
Title: Senior Vice President of Law and Corporate Secretary