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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   -----------

                                 SCHEDULE TO / A

                      Tender Offer Statement Under Section
           14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934

                        BORON, LEPORE & ASSOCIATES, INC.
                            (Name of Subject Company)

                              GARDEN MERGER CORP.,
                          a wholly owned subsidiary of
                              CARDINAL HEALTH, INC.
                        (Name of Filing Person--Offerors)

                     COMMON STOCK, PAR VALUE $0.01 PER SHARE
                         (Title of Class of Securities)

                                   10001P 10 2
                      (CUSIP Number of Class of Securities)

                             Paul S. Williams, Esq.
           Executive Vice President, Chief Legal Officer and Secretary
                              Cardinal Health, Inc.
                               7000 Cardinal Place
                               Dublin, Ohio 43017
                            Telephone: (614) 757-5000
            (Name, Address and Telephone Number of Person Authorized
       to Receive Notices and Communications on Behalf of Filing Persons)

                                    Copy To:
                               David A. Katz, Esq.
                         Wachtell, Lipton, Rosen & Katz
                               51 West 52nd Street
                            New York, New York 10019
                            Telephone: (212) 403-1000


[_] Check the box if the filing relates solely to preliminary communications
    made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the
statement relates:

[X] third-party tender offer subject to Rule 14d-1.

[_] issuer tender offer subject to Rule 13e-4.

[_] going-private transaction subject to Rule 13e-3.

[_] amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results
of the tender offer: [_]
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      This Amendment No. 1 (the "Amendment") amends and supplements the Tender
Offer Statement on Schedule TO (the "Schedule TO"), filed initially with the
Securities and Exchange Commission on May 24, 2002 by Cardinal Health, Inc., an
Ohio corporation ("Cardinal"), and Garden Merger Corp., a Delaware corporation
and a wholly owned subsidiary of Cardinal ("Subcorp"), relating to the offer by
Subcorp to purchase all outstanding shares of common stock, par value $0.01 per
share (the "Shares"), of Boron, LePore & Associates, Inc., a Delaware
corporation ("BLP") for $16.00 per Share, net to the seller in cash, upon the
terms and subject to the conditions set forth in the Offer to Purchase, dated
May 24, 2002 (the "Offer to Purchase") and in the related Letter of Transmittal,
copies of which were filed previously with the Schedule TO as Exhibits (a)(1)(A)
and (a)(1)(B), respectively (which, together with any amendments or supplements
to the Offer to Purchase and the Letter of Transmittal, collectively constitute
the "Offer").

ITEM 12.  EXHIBITS.

      Item 12 is hereby amended and supplemented to add the following exhibit:

(a)(5)(E) Text of Press Release Issued by Cardinal dated May 28, 2002.






                                    SIGNATURE

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

      Dated:  May 28, 2002

                                    GARDEN MERGER CORP.


                                    By  /s/ Paul S. Williams
                                      ----------------------------
                                      Name:  Paul S. Williams
                                      Title: Executive Vice President,
                                             Chief Legal Officer and Secretary


                                    CARDINAL HEALTH, INC.


                                    By  /s/ Paul S. Williams
                                      ----------------------------
                                      Name:  Paul S. Williams
                                      Title: Executive Vice President,
                                             Chief Legal Officer and Secretary





                                  EXHIBIT INDEX

(a)(5)(E)   Text of Press Release Issued by Cardinal dated May 28, 2002.