PARIS--(BUSINESS WIRE)--Cytheris SA, a clinical stage biopharmaceutical company focused on research and development of new therapies for immune modulation, today announced that data from an interim analysis of its ECLIPSE 2 Phase I/IIa study indicate that treatment with four weeks of the Company’s investigative immune-modulator, recombinant human Interleukin-7 (CYT107), added to peginterferon and ribavirin (SOC) in genotype 1 and 4 treatment experienced patients defined as nonresponders to SOC, induces a broad immune response associated with HCV viral clearance in genotype 1 and 4 treatment experienced patients defined as nonresponders to SOC.