Phase 1 Single and Multiple Dose Study of FPA008 in Healthy Volunteers and Rheumatoid Arthritis Subjects

Part 1 and 2:

• Healthy adult male and female subjects between the ages of 21-55 years inclusive.
• Subject must be willing to remain in the Clinical Research Unit (CRU) for a minimum of 72 hours after each dose.

Part 3:

• RA male and female subjects between the ages of 21-70 years inclusive
• Evidence of active RA disease
• Inadequate response to biologic or non-biologic DMARDs
• Subjects will be required to be on background therapy with methotrexate.

Exclusion Criteria:

Parts 1, 2 and 3:

• BMI \<18 or >32 kg/m2
• Clinically significant findings in physical exams and laboratory tests at screening and/or baseline
• Unwilling to abstain from alcohol for 48 hours prior to study start, during CRU confinement, as applicable, and for 48 hours prior to study visits.
• Unwilling to abstain from exercise more strenuous than walking during CRU confinement, as applicable, and for 48 hours prior to study visits.

Parts 1 and 2:

• Use of any prescription, non-prescription, or herbal medications as well as supplements or vitamins within 4 weeks prior to dosing, unless approved by the Investigator.
• Smoking more than 10 cigarettes, or the equivalent, per day.

Part 3:

• Current or previous history of inflammatory joint disease other than RA
• Evidence of extra-articular RA disease or systemic involvement
• Currently taking any medications other than those allowed per protocol guidelines
• Any surgical procedure including bone or joint surgery within 12 weeks prior to dosing
• Use of intra-articular (IA), intramuscular (IM), or IV corticosteroids for RA
• Neuropathies and neurovasculopathies
• Concomitant use of statins while on study.