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
                                                                                  
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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(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Sadowski Gregory David 		2. Issuer Name and Ticker or Trading Symbol

ERESEARCHTECHNOLOGY INC /DE/ [ ERES ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Sr. V.P., ePRO
(Last)          (First)          (Middle)

C/O ERESEARCHTECHNOLOGY, INC., 30 SOUTH 17TH STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/28/2008
(Street)

PHILADELPHIA, PA 19103
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Option (Right to Buy)   $12.00   2/28/2008     A     20000         (1) 2/28/2015   Common Stock, $.01 par value   20000   $12.00   20000   D  
 
Option (Right to Buy)   $12.00   2/28/2008     A     10000         (1) 2/28/2015   Common Stock, $.01 par value   10000   $12.00   10000   I   By Spouse  
Option (Right to Buy)   $8.52                     (1) 5/7/2014   Common Stock, $.01 par value   10000     10000   D  
 
Option (Right to Buy)   $.82                     (2) 3/15/2009   Common Stock, $.01 par value   1350     1350   D  
 
Option (Right to Buy)   $1.02                     (2) 3/5/2011   Common Stock, $.01 par value   2532     2532   D  
 
Option (Right to Buy)   $.65                     (2) 4/24/2011   Common Stock, $.01 par value   2532     2532   D  
 
Option (Right to Buy)   $6.29                     (2) 4/22/2013   Common Stock, $.01 par value   16875     16875   D  
 
Option (Right to Buy)   $22.09                     (2) 2/9/2014   Common Stock, $.01 par value   9001     9001   D  
 
Option (Right to Buy)   $15.46                     (1) 2/14/2012   Common Stock, $.01 par value   6000     6000   D  
 
Option (Right to Buy)   $14.70                     (1) 2/10/2013   Common Stock, $.01 par value   5000     5000   D  
 
Option (Right to Buy)   $7.41                     (1) 2/23/2014   Common Stock, $.01 par value   5000     5000   D  
 
Option (Right to Buy)   $1.02                     (2) 3/5/2011   Common Stock, $.01 par value   3375     3375   I   By Spouse  
Option (Right to Buy)   $.65                     (2) 4/24/2011   Common Stock, $.01 par value   5063     5063   I   By Spouse  
Option (Right to Buy)   $3.01                     (2) 7/23/2012   Common Stock, $.01 par value   11250     11250   I   By Spouse  
Option (Right to Buy)   $6.29                     (2) 4/22/2013   Common Stock, $.01 par value   2813     2813   I   By Spouse  
Option (Right to Buy)   $22.09                     (2) 2/9/2014   Common Stock, $.01 par value   4500     4500   I   By Spouse  
Option (Right to Buy)   $13.88                     (3) 10/19/2014   Common Stock, $.01 par value   2500     2500   I   By Spouse  
Option (Right to Buy)   $15.46                     (1) 2/14/2012   Common Stock, $.01 par value   6000     6000   I   By Spouse  
Option (Right to Buy)   $14.70                     (1) 2/10/2013   Common Stock, $.01 par value   5000     5000   I   By Spouse  
Option (Right to Buy)   $7.41                     (1) 2/23/2014   Common Stock, $.01 par value   5000     5000   I   By Spouse  

Explanation of Responses:
( 1)  Options become exercisable in four equal annual installments beginning one year after date of grant and are fully exercisable three years prior to expiration.
( 2)  Options are fully exercisable.
( 3)  Options become exercisable in four equal annual installments beginning one year after date of grant and are fully exercisable six years prior to expiration.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Sadowski Gregory David
C/O ERESEARCHTECHNOLOGY, INC.
30 SOUTH 17TH STREET
PHILADELPHIA, PA 19103

Sr. V.P., ePRO

Signatures
Greg Sadowski 2/29/2008
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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