Proof of Concept Study to Evaluate the Efficacy and Safety of BMS-931699 (Lulizumab) or BMS-986142 in Primary Sjögren's Syndrome

For more information regarding Bristol-Myers Squibb Clinical Trial participation, please
visit www.BMSStudyConnect.com

Inclusion Criteria:

- Subjects diagnosed or classified as having moderate to severe primary Sjögren's
Syndrome based on the 2016 ACR-EULAR Sjögren's Syndrome Classification Criteria for at
least 16 weeks prior to screening

- ESSDAI ≥ 5 including disease activity (any score > 0) in at least one of the following
domains: Glandular, Articular, Hematological, Biological, Lymphadenopathy

- Positive anti-SS-A/Ro and/or anti-SS-B/La autoantibody

- Unstimulated whole saliva secretion > 0.01 ml/min

- Women of childbearing potential (WOCBP) must have a negative serum or urine pregnancy
test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 24 hours prior to
the start of study drug and must not be pregnant or breastfeeding. Male and female
subjects must be willing to adhere to protocol-mandated highly effective contraception
for the duration of the study and for the protocol-specified follow up period.
Hormone-based contraceptive methods are not permitted

Exclusion Criteria:

- Secondary Sjögren's syndrome or the presence of any other systemic autoimmune disease
(eg, RA, SLE, multiple sclerosis, vasculitis)

- Very severe primary Sjögren's syndrome or severe complications of primary Sjögren's
syndrome at the time of the screening visit

- Active systemic or latent bacterial (including tuberculosis), viral or fungal
infection, evidence of current or chronic Hepatitis B or C infection, or HIV infection

- Any significant concurrent medical condition at the time of screening or baseline
visit

- Use of methotrexate, cyclophosphamide, cyclosporine, tacrolimus, azathioprine,
mycophenolate mofetil (MMF) or leflunomide within 12 weeks of screening visit

- Previous treatment with biologics therapies either marketed or in development within 6
months prior to screening visit

- Treatment started or an unstable dose of hydroxychloroquine within 8 weeks of
screening visit

- Oral corticosteroids > 10 mg/day within 14 days of dosing (Day 1), corticosteroid
therapy ≥ 1 mg/kg during the 4 weeks preceding enrollment, or intravenous,
intramuscular or intra-articular corticosteroids within 4 weeks of screening visit

Other protocol defined inclusion/exclusion criteria could apply