FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * MANOGUE CAROLINE B   2. Issuer Name and Ticker or Trading Symbol ENDO PHARMACEUTICALS HOLDINGS INC [ENDP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Exec. V.P., CLO & Secy (Last) (First) (Middle) 100 ENDO BOULEVARD 3. Date of Earliest Transaction (Month/Day/Year) 04/05/2011 (Street) CHADDS FORD, PA 19317 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value, $.01 per share 04/05/2011   M   35,000 A $ 15.24 35,000 (1) D   Common Stock, par value, $.01 per share 04/05/2011   S   35,000 D $ 39.9 (2) 0 (1) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

2000 Stock Incentive Plan Stock Options (NQ)

$ 15.24

04/05/2011

M

35,000

(3)

08/05/2013

Common Stock

35,000

$ 0 (4)

35,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MANOGUE CAROLINE B 100 ENDO BOULEVARD CHADDS FORD, PA 19317			Exec. V.P., CLO & Secy

Signatures

/s/ Caroline B. Manogue		04/05/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On December 3, 2010, Ms. Manogue placed 70,000 of the shares underlying her stock options into a 10b5-1 pre-set selling program until December 31, 2011 (the "Manogue Pre-Set Selling Program"). The options exercised and the shares sold here were sold pursuant to the Manogue Pre-Set Selling Program, which leaves 35,000 shares (underlying options) in the Manogue Pre-Set Selling Program.
(2)	This represents the price at which Ms. Manogue's common shares were sold on April 5, 2011.
(3)	Ms. Manogues's stock options that were granted under the 2000 Stock Incentive Plan on August 5, 2003, are generally exercisable 25% per year on each of August 5, 2004, August 5, 2005, August 5, 2006 and August 5, 2007.
(4)	These securities were granted to Ms. Manogue in 2003 in consideration of her services as the Executive Vice President, Chief Legal Officer & Secretary of Endo Pharmaceuticals Holdings Inc.

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