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).