The RIC-Mel network federate clinicians researchers working in clinical and translational research for melanoma and carrying out patients inclusions in the clinical trials. These clinicians are working on clinical cancerology and dermatology sites located throughout the French national territory. Nowadays, the RIC-Mel network consists of 49 centers: 43 public dermatology centers (Hospital centers) and 6 private centers (Cancer centers). The RIC-Mel network is coordinated by Pr B. DRENO (Nantes University Hospital) and Pr C. LEBBE (Saint-Louis Hospital, AP-HP, Paris).