Section to complete information about the primary medical condition(s) or problem(s) studied and, a characteristics of the intervention(s).
      Health condition(s) or Problem(s) studied: 
    
 
      Health condition(s) code: 
    
            
                    Keloid/surgery        
              
                    Cicatrix        
              
                    Granulation Tissue        
              
                    Connective Tissue        
              
                    Collagen Diseases        
              
                    Connective Tissue Diseases        
              
                    Skin and Connective Tissue Diseases        
              
                    Fibrosis        
              
                    Pathologic Processes        
         
 
      Intervention(s): 
    
            
                    Patients are treated with CIGB-128 and/or placebo by injection of product around the wound following the surgical lesion exeresis and before suturing (first administration), and 15 days after surgery by peri-cicatricial route twice a week for 4 consecutive weeks. Afterwards, the product will be administered once a week for another 4 weeks.        
         
 
      Intervention code: 
    
            
                    Interferon-alpha        
              
                    Interferon-gamma        
              
                    Interferons        
              
                    Injections, Intralesional        
              
                    Dermatologic Surgical Procedures        
              
                    Placebos