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                                                                Synonyms: VX-121 | VX121
                                 
                                                         
                            
                            
                            
                                 
                                
                                vanzacaftor is an approved drug 
                                                        
                                                    
                                Compound class: 
                                                            Synthetic organic
                                 
                                
                                    
                                        Comment: Vanzacaftor (VX-121) is a cystic fibrosis transmembrane regulator (CFTR) protein corrector for class II CFTR mutations (the most common being F508del). Its biological activity is similar to that of elexacaftor. Like elexacftor, off-target effects on K+ channels have been reported [2].
                                    
                                 
                            
                            
                          
                                
                                    
                                
                          
                                   
                                   
                                  
                                    
                                    
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| Bioactivity Comments | 
| In vitro assays (FRT system) demonstrated effectiveness of Alyftrek® in all CFTR variants that were approved for Trikafta®, as well as in 31 more [1]. | 
| Selectivity at ion channels | ||||||||||||||||||||||||||||||||||
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