Company News: CYTAVIS’ Aviscumine Improves Survival of Patients with Metastatic Melanoma in a Phase II Trial

CYTAVIS BioPharma GmbH, a biopharmaceutical company developing derivatives of natural compounds for the treatment of oncological and immunological diseases, today announced Phase II data demonstrating that its lead compound Aviscumine (CY503), an immune potentiator, may improve survival of patients with refractory metastatic melanoma (stage IV).

The open-label Phase II multicenter trial (NCT00658437) was designed to test the influence of subcutaneous injections of Aviscumine (CY503) on progression-free survival (PFS) and overall survival (OS) of patients with unresectable metastatic melanoma (stage IV) after antineoplastic treatment failure. The trial included 31 eligible patients and was conducted at four German sites.

The progression-free survival rate after 3 months was 32.3%, while the 1-year-survival rate was 45.0% and median overall survival time (mOS) 11 months in the full analysis set/intention to treat population (FAS/ITT). In case of the standard therapy with Dacarbazine the 1-year-survival rate is usually about 30% and the mOS between 6 and 8 months, respectively. The majority of treatment-related adverse events were not severe application site reactions and pruritus.