LEUKOSITE INC
8-K, 1999-04-06
PHARMACEUTICAL PREPARATIONS
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                       SECURITIES AND EXCHANGE COMMISSION
                               WASHINGTON DC 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) APRIL 5, 1999


                                 LEUKOSITE, INC.
                               -------------------
               (Exact Name of Registrant as Specified in Charter)



       DELAWARE                       0-22769               04-3173859 
   ---------------                   ---------             ------------
(State or Other Jurisdiction         (Commission            (IRS Employer
      of Incorporation)              File Number)           Identification No.)


                      215 FIRST STREET, CAMBRIDGE, MA 02142
                      -------------------------------------
               (Address of Principal Executive Offices) (Zip Code)


        Registrant's telephone number, including area code (617) 621-9350

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                                      -2-


         ITEM 5.  OTHER EVENTS.

                  On April 5, 1999, LeukoSite, Inc., along with ILEX Oncology,
         Inc., announced that the companies have met with the U.S. Food and Drug
         Administration for a pre-Biologics License Application meeting on the
         clinical development of CAMPATH-Registered Trademark- for the treatment
         of patients with refractory chronic lymphocytic leukemia. A copy of the
         press release dated April 5, 1999 providing the update on 
         CAMPATH-Registered Trademark- is incorporated herein by reference and a
         copy is filed herewith as Exhibit 99.

         ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND 
                  EXHIBITS.

         (C)      EXHIBITS.

         Exhibit 99, Press Release dated April 5, 1999.


<PAGE>
                                      -3-


                                   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.

                              LEUKOSITE, INC.


                              By: /s/  AUGUSTINE LAWLOR
                                  ---------------------
                                       Augustine Lawlor,
                                       Vice President, Corporate Development and
                                       Chief Financial Officer

Dated:  April 6, 1999




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                                                                Exhibit 99

CONTACTS
- --------
FOR LEUKOSITE, INC.:
Augustine Lawlor                          Theresa McNeely
LeukoSite, Inc.                           Feinstein Kean Partners Inc.
(617) 621-9350 ext. 4020                  (617) 577-8110
[email protected]                  www.fkpi.com
www.leukosite.com

FOR ILEX ONCOLOGY, INC.:
Deborah Sibley
Investor Relations 
(210) 949-8287

For Immediate Release
- ---------------------


LeukoSite and ILEX Oncology Provide Update on CAMPATH -Registered Trademark-
Clinical Development Program


            -Companies to File for US Marketing Approval in Mid-1999-


CAMBRIDGE, MA, and SAN ANTONIO, TX, April 5, 1999 - LeukoSite, Inc. (Nasdaq: 
LKST) and ILEX Oncology, Inc. (Nasdaq: ILXO) announced that they have met 
with the U.S. Food and Drug Administration (FDA) for a pre-BLA meeting on the 
clinical development of CAMPATH -Registered Trademark- for the treatment of 
patients with refractory chronic lymphocytic leukemia (CLL). The companies 
plan to file a Biologics License Application (BLA) with the FDA in mid-1999.

LeukoSite and ILEX plan to present results of the Phase II pivotal trial at 
the annual meeting of the European Hematology Association in Barcelona, 
Spain, June 9-12, 1999. The trial involved 93 patients with confirmed CLL who 
had failed standard, second-line (fludarabine) therapy. Twenty centers in the 
U.S. and Europe participated in the study. Efficacy in the trial is being 
evaluated according to criteria established by the National Cancer Institute. 
The pivotal Phase II trial builds on a substantial body of data in CLL and 
lymphoma patients.

"We are very encouraged by the initial evaluation of the results of the 
pivotal trial and by the progress we have made in assembling the BLA," said 
Christopher Mirabelli, Ph.D., president and chief executive officer of 
LeukoSite. "We look forward to completing the work necessary to submit the 
BLA." CAMPATH -Registered Trademark- is the most advanced of four LeukoSite 
products in clinical development.

"We recognize and appreciate the FDA's direction and effort in helping us 
move closer to regulatory review," said Richard Love, president and chief 
executive officer of ILEX. "The progress we have made with CAMPATH 
- -Registered Trademark- supports our timeline for its development and future 
commercialization." The drug represents the lead product in the ILEX 
portfolio of ten innovative oncology compounds.

                              --more--



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CAMPATH -Registered Trademark-, which received "fast track" designation from 
the FDA, is expected to undergo a six-month priority review by the FDA under 
the Prescription Drug User Fee Act. The review period begins with the 
submission of a completed BLA. The FDA has also granted orphan product 
designation to CAMPATH -Registered Trademark- for CLL.

CLL is the most prevalent form of adult leukemia, affecting approximately 
120,000 patients in the U.S. and Europe. CLL is characterized by an 
accumulation of malignant white blood cells (lymphocytes) in the bone marrow 
and other tissues, causing lymph note, liver and spleen enlargement and bone 
marrow dysfunction. Standard front line therapy consists of alkylating agent 
based drug regimens. Fludarabine is the only approved drug for the treatment 
of patients who have failed alkylating agents. No approved therapy is 
available for patients who fail fludarabine therapy. The median survival time 
for fludarabine resistant patients is six to nine months.

CAMPATH -Registered Trademark- is a humanized monoclonal antibody to the 
leukocyte antigen CD52, which is expressed on lymphocytes and which is not 
detected on hematopoietic stem cells. CAMPATH -Registered Trademark- is 
designed to combat CLL by selectively depleting lymphocytes. Normal 
lymphocyte populations and immune function are restored in responders at 
varying times after discontinuation of CAMPATH -Registered Trademark- therapy.

LeukoSite and ILEX are developing CAMPATH -Registered Trademark- through a 
joint venture that was established in May 1997. In addition to CLL, the 
companies intend, subject to receipt of regulatory approvals, to begin 
clinical studies to evaluate the use of the drug for the treatment of 
multiple sclerosis and transplant rejection.

LeukoSite is a biotechnology company developing proprietary drugs designed to 
block disease-promoting actions of white blood cells. The focus of 
LeukoSite's research and development is on drugs for the treatment of cancer, 
and inflammatory, autoimmune and viral diseases. LeukoSite has nine research 
and development programs underway and four drug candidates in clinical 
development. The Company is collaborating with Warner-Lambert Co., Roche 
Bioscience, Kyowa Hakko Kogyo Co., Ltd., Genentech, Inc. and MorphoSys AG.

News releases issued by LeukoSite, Inc. are available thorough PR Newswire's 
"Company News On-Call," by calling 800-758-5804 and entering the Company's 
extension number 114510.

ILEX Oncology, Inc. is a drug development company focused exclusively on 
accelerated development of drugs for the treatment and prevention of cancer. 
The company does this in two ways: by advancing a diversified portfolio of 
anticancer drugs through its ILEX Products subsidiary, and, by offering drug 
development services on a contract basis to pharmaceutical and biotech 
companies through its ILEX Oncology Services subsidiary. These complementary 
businesses draw from the company's core expertise: relationships with 
international oncology experts, strategic alliances that provide unparalleled 
access to patient recruitment for clinical trials, and simultaneous European 
and US drug development and approval capabilities.

Further information about ILEX Oncology, Inc. can be found on the World Wide 
Web at: http://www.ilexoncology.com


                                        --more--

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CERTAIN STATEMENTS CONTAINED HEREIN, SUCH AS THE COMPANIES' INTENTION TO FILE 
A BLA WITH THE FDA IN MID-1999, ARE "FORWARD-LOOKING" STATEMENTS (AS SUCH 
TERM IS DEFINED IN THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995). 
BECAUSE SUCH STATEMENTS INCLUDE RISKS AND UNCERTAINTIES, ACTUAL RESULTS MAY 
DIFFER MATERIALLY FROM THOSE EXPRESSED OR IMPLIED BY SUCH FORWARD-LOOKING 
STATEMENTS. FACTORS THAT COULD CAUSE ACTUAL RESULTS TO DIFFER MATERIALLY FROM 
THOSE EXPRESSED OR IMPLIED BY SUCH FORWARD-LOOKING STATEMENTS INCLUDE, BUT 
ARE NOT LIMITED TO, RISKS IN TECHNOLOGY AND PRODUCT DEVELOPMENT, FAILURE TO 
SUCCESSFULLY COMPLETE CLINICAL TRIALS, FAILURE TO RECEIVE MARKET CLEARANCE 
FROM REGULATORY AGENCIES, COMPETITIVE RISKS AND THOSE RISKS AND UNCERTAINTIES 
DISCUSSED IN FILINGS MADE BY LEUKOSITE, INC. AND ILEX ONCOLOGY, INC. WITH THE 
SECURITIES AND EXCHANGE COMMISSION. THE COMPANIES DISCLAIM ANY OBLIGATION TO 
UPDATE THESE FORWARD-LOOKING STATEMENTS.


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