UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                (AMENDMENT NO. 1)

                   Under the Securities Exchange Act of 1934*



                            eResearchTechnology, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $.01 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                   29481V-10-8
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                December 31, 2002
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

                    [ ] Rule 13d-1(b)

                    [X] Rule 13d-1(c)

                    [ ] Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).

            Person Authorized to Receive Notices and Communications:

                                Lisa A. May, Esq.
                              Haynes and Boone, LLP
                           901 Main Street, Suite 3100
                                Dallas, TX 75202
                                 (214) 651-5000



                                  SCHEDULE 13G


CUSIP No. - 29481V-10-8                                        Page 2 of 6 Pages

--------------------------------------------------------------------------------
 1       NAME OF REPORTING PERSON
         I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

                 The Pinnacle Fund, L.P., a Texas limited partnership
                 75-2512784
--------------------------------------------------------------------------------
 2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP                (a) [ ]
                                                                         (b) [X]
--------------------------------------------------------------------------------
 3       SEC USE ONLY

--------------------------------------------------------------------------------
      4       CITIZENSHIP OR PLACE OR ORGANIZATION

                  Texas
--------------------------------------------------------------------------------
                             5      SOLE VOTING POWER

                                             573,385
           NUMBER OF         ---------------------------------------------------
             SHARES          6      SHARED VOTING POWER
          BENEFICIALLY
            OWNED BY                               0
              EACH           ---------------------------------------------------
           REPORTING         7      SOLE DISPOSITIVE POWER
             PERSON
              WITH                           573,385
                             --------------------------------------------------
                             8      SHARED DISPOSITIVE POWER

                                                   0
--------------------------------------------------------------------------------
 9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                  573,385
--------------------------------------------------------------------------------
10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES                                                               [ ]
--------------------------------------------------------------------------------
11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                  5.4%
--------------------------------------------------------------------------------
12       TYPE OF REPORTING PERSON

                  PN
--------------------------------------------------------------------------------




                                                               Page 3 of 6 Pages
Item 1(a)         Name of Issuer:

                  eResearchTechnology, Inc.

Item 1(b)         Address of Issuer's Principal Executive Offices:

                  30 South 17th Street
                  Philadelphia, PA 19103

Item 2(a)         Names of Persons Filing:

                  The Pinnacle Fund, L.P.

Item 2(b)         Addresses of Principal Business Offices:

                  Suite 240
                  4965 Preston Park Blvd.
                  Plano, TX 75093

Item 2(c)         Citizenship:

                  Texas

Item 2(d)         Title of Class of Securities:

                  Common Stock, $.01 per share

Item 2(e)         CUSIP Number:

                  29481V-10-8





                                                               Page 4 of 6 Pages

Item 3            Status of Persons Filing:

                  (a) [ ] Broker or dealer registered under section 15 of the
                          Act (15 U.S.C. 78o);

                  (b) [ ] Bank as defined in section 3(a)(6) of the Act (15
                          U.S.C. 78c);

                  (c) [ ] Insurance company as defined in section 3(a)(19) of
                          the Act (15 U.S.C. 78c);

                  (d) [ ] Investment company registered under section 8 of the
                          Investment Company Act of 1940 (15 U.S.C. 80a-8);

                  (e) [ ] An investment adviser in accordance with Section
                          240.13d-1(b)(1)(ii)(E);

                  (f) [ ] An employee benefit plan or endowment fund in
                          accordance with Section 240.13d-1(b)(1)(ii)(F);

                  (g) [ ] A parent holding company or control person in
                          accordance with Section 240.13d-1(b)(1)(ii)(G);

                  (h) [ ] A savings association as defined in Section 3(b) of
                          the Federal Deposit Insurance Act (12 U.S.C. 1813);

                  (i) [ ] A church plan that is excluded from the definition of
                          an investment company under section 3(c)(14) of the
                          Investment Company Act of 1940 (15 U.S.C. 80a-3);

                  (j) [ ] Group, in accordance with Section 240.13d-1(b)(1)
                          (ii)(J).

Item 4            Ownership:

                  (a)      This statement is filed on behalf of The Pinnacle
                           Fund, L.P. As of December 31, 2002, The Pinnacle
                           Fund, L.P. was the record owner of 573,385 shares of
                           common stock of eResearchTechnology, Inc.

                  (b)      Percent of Class: 5.4%.

                  (c)      Number of shares as to which each person has:

                           (i)      sole power to vote or to direct the
                                    vote: 573,385

                           (ii)     shared power to vote or to direct the
                                    vote: 0

                           (iii)    sole power to dispose or to direct the
                                    disposition of: 573,385

                           (iv)     shared power to dispose or to direct the
                                    disposition of: 0



                                                               Page 5 of 6 Pages

Item 5            Ownership of 5% or Less of a Class:

                  Not applicable.

Item 6            Ownership of More than 5% on Behalf of Another Person:

                  Not applicable.

Item 7            Identification and Classification of the Subsidiary which
                  Acquired the Security Being Reported on By the Parent Holding
                  Company:

                  Not applicable

Item 8            Identification and Classification of Members of the Group:

                  Not applicable.

Item 9            Notice of Dissolution of Group:

                  Not applicable

Item 10           Certification:

                  By signing below I certify that, to the best of my knowledge
                  and belief, the securities referred to above were not acquired
                  and are not held for the purpose of or with the effect of
                  changing or influencing the control of the issuer of the
                  securities and were not acquired and are not held in
                  connection with or as a participant in any transaction having
                  that purpose or effect.



                                                               Page 6 of 6 Pages

                                    SIGNATURE


         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date: February 14, 2003


                               THE PINNACLE FUND, L.P.

                               By: Pinnacle Advisers, L.P., its general partner



                               By:               /s/ BARRY M. KITT
                                   --------------------------------------------
                                   Barry M. Kitt
                                   General Partner