QAX576 in Patients With Pulmonary Fibrosis Secondary to Systemic Sclerosis

Inclusion Criteria: * Men and women between the ages of 18 and 65 years with a confirmed diagnosis of pulmonary fibrosis secondary to systemic sclerosis * Both men and women must be willing to use two forms of contraception. Additional information regarding this requirement is available at screening Exclusion Criteria: * Certain medical conditions may exclude patients from participation. * Should not have participated in another clinical study within 4 weeks of study start * Smokers are not eligible for participation * Blood loss of donation of 400 mL or more within 2 months of study start * Pregnant women or women who are breast feeding * Past medical history of clinically significant ECG abnormalities * Connective tissue disorders other than systemic sclerosis. * Active infection or history of systemic parasitic infection * History of immunodeficiency diseases, 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 Other protocol-defined inclusion/exclusion criteria may apply