See all eligibility criteria
See protocol details
Open-label therapy will be administered to up to 220 patients, following completion of either InterMune Protocol GIPF-002 Part B or Protocol GIPF-004, to assess the long-term safety of subcutaneous Interferon gamma-1b. The study duration will be 5 years. Open-label therapy will be administered subcutaneously. Patients enrolled will continue to receive Interferon gamma-1b therapy three times per week and will be evaluated at 6-week intervals. Patients not taking Interferon gamma-1b at enrollment will re-initiate therapy with subcutaneous Interferon gamma-1b under a dose-escalation scheme, reaching full dose after 2 weeks.
Inclusion criteria: * Enrollment in Protocol GIPF 002 Part B or GIPF-004 * Completion of the End of Treatment Visit in Protocol GIPF-002 Part B or the Study Completion Visit in GIPF-004 * Able to understand and sign a written informed consent form and comply with the requirements of the study Exclusion criteria: * pregnancy or lactation * lack of adherence to either GIPF-002 or GIPF-004 study protocols and treatment regimens * if Principal Investigator deems patient is unsuitable for study