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Bristol-Myers Squibb to Present New Data on ORENCIA(R) (abatacept) at the European League Against Rheumatism (EULAR) 2012 Congress

May 14, 2012

PARIS, May 14, 2012 /PRNewswire/ –

        - Results of head-to-head study comparing two biologic drugs on a background
          of methotrexate for the treatment of moderate to severe rheumatoid arthritis to be
          presented

Bristol-Myers Squibb Company [http://www.bms.com ] (NYSE: BMY) today announced that
the company will present 18 abstracts on abatacept at the European League Against
Rheumatism (EULAR) Annual European Congress of Rheumatology in Berlin, June 6-9. Among the
data being presented will be results from the AMPLE study, a head-to-head phase 3 clinical
trial comparing subcutaneous (SC) ORENCIA(R) (abatacept) to HUMIRA(R) (adalimumab), both
in combination with methotrexate. The combination of a biologic medication and
methotrexate is the most commonly prescribed treatment approach in moderate to severe RA.

AMPLE (Abatacept Versus Adalimumab Comparison in Biologic-Naive RA Subjects With
Background Methotrexate) is a randomized, controlled study powered to compare the efficacy
of abatacept SC versus adalimumab on a background of methotrexate in adult, biologic naive
patients with moderate to severe RA. AMPLE is an ongoing 2 year study, with primary
analyses at 1 year. In addition to assessing the primary endpoint of non-inferiority
between abatacept SC and adalimumab as defined by the proportion of subjects achieving the
American College of Rheumatology criteria of 20 percent improvement (ACR 20) after 12
months of treatment, the trial also evaluated the following secondary endpoints: frequency
of injection site reactions, radiographic non-progression as assessed using the van der
Heijde modified total Sharp score (mTSS) method, safety and retention. The study also
evaluated additional efficacy measures including ACR 50, ACR 70 and disease activity
scores (DAS).

“The data being presented highlight Bristol-Myers Squibb’s continued commitment to
expanding our understanding of the efficacy and safety of abatacept, including important
areas of study such as kinetics of response and radiographic non-progression,” said Brian
Daniels [http://bms.com/ourcompany/leadership/Pages/brian_daniels_bio.aspx ], M.D., senior
vice president, Global Development and Medical Affairs, Bristol-Myers Squibb. “AMPLE
provides a direct comparison of abatacept SC and adalimumab, an important step to help
address the lack of comparative studies among biologic medications for RA.”

In addition to the one-year results of AMPLE, other key data being presented at EULAR
include:

        - The first report of data on early response to abatacept plus methotrexate
          in patients not responding to methotrexate using power Doppler ultrasonography.
        - Results of a long-term comparison of abatacept SC and its intravenous (IV)
          infusion formulation.
        - New data on the efficacy and safety of the IV formulation of abatacept in
          patients with lupus nephritis.

Key presentations at the EULAR Annual European Congress of Rheumatology are shown
below. The full set of abstracts can be accessed on the EULAR website
[https://b-com.mci-group.com/AbstractList/EULAR2012.aspx ].

Oral/Poster Presentations:

         Session Date, Time, Location          Presentation Title         Lead Author

         June 7, 2012, 10:30 AM, Hall 1.1      Abatacept SC Versus        M. Schiff
                                               Adalimumab on              Denver, CO
                                               Background
                                               Methotrexate in RA:
                                               One Year Results from
                                               the AMPLE Study    

         June 7, 2012, 12:15 PM, Poster Area   Early Response to          M.A. D'Agostino
         Hall 2.2                              Abatacept Plus             Boulogne-Billancourt,
                                               MTX in MTV-IR RA Patients  France
                                               Using Power Doppler
                                               Ultrasonography: An
                                               Open-Label Study

         June 8, 2012, 11:45                   SC vs IV Abatacept in      M.C. Genovese
         AM, Poster Area                       RA: Post-Hoc Efficacy      Palo Alto, CA
                                               Analysis of Long-Term
                                               ACQUIRE (SC) Data with
                                               AIM (IV) Data          

         June 8, 2012, 11:45                   Immunogenicity is Low     M. Weinblatt
         AM, Poster Area                       and Transient with        Boston, MA
                                               Intravenous Abatacept
                                               Therapy                

        June 9, 2012, 10:45                    Efficacy and Safety of    R. Furie
        AM, Poster Area Hall                   Abatacept in Lupus        Lake Success, NY
        2.2                                    Nephritis              

        June 9, 2012, 10:15                    Comparative Analysis      D. Wofsy
        AM, Poster Area                        of Alternative Outcome    San Francisco, CA
                                               Measures for use in
                                               Lupus Nephritis Trials 

        June 8, 2012, 11:45                    In Patients with          P. Emery
        AM, Poster Area                        Established RA,           Leeds, United Kingdom
                                               Abatacept Efficacy is
                                               Independent of
                                               Baseline Annual
                                               Radiographic
                                               Progression Rate  

        June 7, 2012, 11:45                    A Multi-Center,           T. Matsubara
        AM, Poster Area                        Double-Dummy,             Kato, Japan
                                               Double-Blind Study of
                                               Subcutaneous (SC)
                                               Abatacept (ABA)
                                               Compared with
                                               Intraveneous (IV) ABA
                                               in Japanese Rheumatoid
                                               Arthritis Patients
                                               with Inadequate
                                               Response to
                                               Methotrexate

About ORENCIA(R) (abatacept)

Abatacept is a selective co-stimulation modulator of T-cell activation. It is designed
to prevent full T-cell activation and inhibit the release of chemicals leading to joint
inflammation and destruction as observed in RA[i,ii,iii,iv] and pJIA.[1]

Abatacept is the first biologic discovered and developed in Bristol-Myers Squibb
research centres and abatacept IV was first approved for adult RA in May 2007 by the
European Commission. Abatacept SC is not currently licensed in the European Union.

Abatacept in combination with methotrexate (MTX) is indicated for the treatment of
moderate to severe active RA in adult patients who responded inadequately to previous
therapy with one or more DMARDs including MTX or a TNF-alpha inhibitor. A reduction in the
progression of joint damage and improvement of physical function have been demonstrated
during combination treatment with abatacept and MTX.

Abatacept, in combination with MTX, is also indicated for the treatment of moderate to
severe active polyarticular Juvenile Idiopathic Arthritis in paediatric patients six years
of age and older who have had an insufficient response to other DMARDS, including at least
one TNF inhibitor. Abatacept has not been studied in children under six years old.

The most frequently reported adverse reactions (greater than or equal to 5%) among
abatacept-treated patients are headache, nausea, and upper respiratory tract infections.
In younger patients, side effects are similar to adults. For the full list of all side
effects reported with abatacept, see the Product Information.

Abatacept should not be prescribed to persons who are hypersensitive to abatacept or
any of the other ingredients. It must not be used in patients with severe and uncontrolled
infections, such as sepsis or opportunistic infections. Patients who receive abatacept are
given a special alert card that explains this restriction and instructs them to contact
their doctor immediately if they develop an infection during a course of treatment.[2]

For a full description of abatacept, including efficacy and safety profile, please
consult the Summary of Product Characteristics (SmPC):

http://www.ema.europa.eu/docs/en_GB/document_library/EPAR_-_Product_Information/human/000701/WC500048935.pdf

.

About Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a systemic, chronic, autoimmune disease characterized by
inflammation in the lining of joints (or synovium), causing joint damage with chronic
pain, stiffness, swelling and fatigue. RA causes limited range of motion and decreased
joint function. The condition is more common in women than in men, who account for 75% of
patients diagnosed with RA.

Abatacept is one treatment option indicated in adult patients with moderately to
severely active RA. Abatacept may be used as a monotherapy or concomitantly with DMARDs
other than TNF antagonists. Abatacept is not recommended for use concomitantly with other
biologic RA therapy, such as anakinra.

About Bristol-Myers Squibb

Bristol-Myers Squibb is a global biopharmaceutical company committed to discovering,
developing and delivering innovative medicines that help patients prevail over serious
diseases.

ORENCIA is a registered trademark of Bristol-Myers Squibb Company. All other
trademarks are property of their respective owners.

# # #

i. Kremer M, et al. N Engl J Med 2003;349(20):1907-15.
ii. Davis P, et al. Abstract submitted to ACR/ARHP Meeting 2008, San Francisco Oct 24-29th
2008;08-A-2321-ACR. iii.European Medicines Agency (EMEA). ORENCIA Scientific Discussion.
2007:1-36. iv. Buch MH, et al. Ann Rheum Dis 2009;68(7):1220-7.

1. Kremer M, et al. N Engl J Med 2003;349(20):1907-15.

2. Davis P, et al. Abstract submitted to ACR/ARHP Meeting 2008, San Francisco Oct
24-29th 2008;08-A-2321-ACR.

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SOURCE Bristol-Myers Squibb


Source: PR Newswire