Certain medical conditions may exclude candidates from participation.

Blood loss or donation of 400 mL or more within 2 months of study start Significant illness (other than respiratory) within 2 weeks of study start

Past medical personal or close family history of clinically significant ECG abnormalities

Connective tissue disorders

Active infection or history of systemic parasitic infection

Known hypersensitivity to the drug.

History of immunocompromise, including a positive HIV test result.

History of drug or alcohol abuse within 12 months of study start

Any condition that may compromise patient safety

SD, IL-13 Production Rate in IPF