A Study of Continued Treatment Among Participants Who Have Responded to Peginterferon Alfa-2a (Pegasys®) or Recombinant Interferon Alfa-2a (Roferon-A®) in Prior Clinical Studies

Extension Protocol for Patients With Chronic Myelogenous Leukemia, Malignant Melanoma or Renal Cell Carcinoma That Have Responded to Treatment With Pegylated-Interferon α-2a or Roferon-A® in Prior Clinical Studies

This open label extension study will give an opportunity to the participants that have responded to the treatment with Pegylated-Interferon Alfa-2a (Pegasys) or Recombinant Interferon Alfa-2a (Roferon-A®) in prior clinical studies NO15753 (NCT00003542) for Renal Cell Carcinoma (RCC), NO15764 (NCT number not available) and NO16006 (NCT02736721) for Chronic Myelogenous Leukemia (CML), and NO16007 (NCT number not available) for Malignant Melanoma (MM).

Inclusion Criteria:

• Participants must have completed protocol NO15753, NO15764, NO16006 or NO16007 and responded to treatment at the end of the trial as defined in the parent protocol
• CML participants must have a confirmed cytogenetic complete response within 2 months of entering the extension study. MM and RCC participants must have tumour assessments verifying stable or better response within 2 months of entering the extension study

Exclusion Criteria:

• Pregnant or lactating women
• Refusal to use adequate contraceptive measures among men and women of childbearing potential