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)   December 7, 2006

Cephalon, Inc.
(Exact Name of Registrant as Specified in Charter)

Delaware	0-19119	23-2484489
(State or Other Jurisdiction	(Commission File Number)	(IRS Employer
of Incorporation)		Identification No.)

41 Moores Road Frazer, Pennsylvania	19355
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code     (610) 344-0200

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o 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 December 7, 2006, Cephalon, Inc. (the “Company”) provided an update related to the final labeling for NUVIGIL® (armodafinil) Tablets (“NUVIGIL”).  The Company hereby incorporates by reference the press release dated December 7, 2006, attached hereto as Exhibit 99.1, and made a part of this Item 8.01.

Item 9.01               Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.	Description of Exhibit
99.1	Press Release dated December 7, 2006

SIGNATURES

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.

	CEPHALON, INC.
Date: December 7, 2006	By:	/s/ John E. Osborn
		John E. Osborn
		Executive Vice President, General Counsel & Secretary

EXHIBIT INDEX

Exhibit No.	Description of Exhibit
99.1	Press Release dated December 7, 2006