This is a Phase 1, double blind (sponsor open), randomized (1:1:1), parallel group, 3 arm, single dose comparative PK study of adalimumab Pfizer and adalimumab sourced from the US and EU administered subcutaneously (SC) to healthy male and female volunteers

Inclusion Criteria:

• Healthy male and female subjects between the ages of 18 and 45 years, inclusive. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, complete physical examination including blood pressure and heart rate measurement, 12 lead ECG and clinical laboratory tests.
• Body Mass Index (BMI) of 19.0 to 30.5 kg/m2; and a total body weight >60 kg (132 lbs).
• Chest X ray with no evidence of current, active TB or previous (inactive) TB, general infections, heart failure, malignancy, or other clinically significant abnormalities taken at Screening or within 24 weeks prior to Day 1 and read by a qualified radiologist.

Exclusion Criteria:

• Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, autoimmune, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at the time of dosing).
• Previous history of cancer, except for adequately treated basal cell or squamous cell carcinoma of the skin.