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Talazoparib

CHEMBL3137320 Phase 4 معتمد Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
380.4 g/mol
LogP
2.3
Phase
4

Talazoparib is a potent PARP1/2 inhibitor that traps the PARP-DNA complex on damaged DNA, preventing repair and causing irreparable double-strand breaks and cell death specifically in tumor cells with homologous recombination deficiency (HRD) such as BRCA1/2-mutated cancers. It is approved for the treatment of HER2-negative locally advanced or metastatic breast cancer in patients with germline BRCA mutations, and is under investigation in other BRCA-associated tumors. Its high PARP-trapping potency provides superior cytotoxicity in BRCA-deficient cells compared to earlier PARP inhibitors.

الوزن الجزيئي

380,4000 g/mol

LogP

2,30

TPSA

84,20 Ų

قاعدة ليبينسكي للخمسة

ناجح

المجالات العلاجية

Melanoma Ovarian Cancer Pancreatic Cancer Bladder Cancer Thyroid Cancer Non-Small Cell Lung Cancer Lymphoma Breast Cancer Prostate Cancer Colorectal Cancer Leukemia

آلية العمل

Inhibits poly(ADP-ribose) polymerase (PARP) enzymes involved in DNA single-strand break repair, exploiting homologous recombination deficiency in cancer cells to cause synthetic lethality.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

الآلية

Inhibits poly(ADP-ribose) polymerase (PARP) enzymes involved in DNA single-strand break repair, exploiting homologous recombination deficiency in cancer cells to cause synthetic lethality.

البنية ثنائية الأبعاد

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
SMILES

                    
Cn1ncnc1[C@H]1c2n[nH]c(=O)c3cc(F)cc(c23)N[C@@H]1c1ccc(F)cc1

                

                

                
                

                    
InChI

                    
InChI=1S/C19H14F2N6O/c1-27-18(22-8-23-27)15-16(9-2-4-10(20)5-3-9)24-13-7-11(21)6-12-14(13)17(15)25-26-19(12)28/h2-8,15-16,24H,1H3,(H,26,28)/t15-,16-/m1/s1

                

                

                

                    
                    

                        
Molecular Formula

                        
C19H14F2N6O

                    

                    
                    

                        
HBD / HBA

                        
2 / 7

                    

                    
                    

                        
الروابط القابلة للدوران

                        
2

                    

                    
                    
                    

                        
الذرات الثقيلة

                        
28

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
No targets recorded

    
    
Target interaction data is not yet available for this drug.

    



                
            


            
            

                
                


    
    
        
    
    
    
No interactions recorded

    
    
Drug interaction data is not yet available for this compound.

    



                
            


            
            

                
                


    
    
        
    
    
    
No side effects recorded

    
    
Side effect data is not yet available for this drug.

    



                
            


            
            
            

                
الأسئلة الشائعة

                

                    
                    

                        
                        

                            
Talazoparib is a potent PARP1/2 inhibitor that traps the PARP-DNA complex on damaged DNA, preventing repair and causing irreparable double-strand breaks and cell death specifically in tumor cells with homologous recombination deficiency (HRD) such as BRCA1/2-mutated cancers. It is approved for the treatment of HER2-negative locally advanced or metastatic breast cancer in patients with germline BRCA mutations, and is under investigation in other BRCA-associated tumors. Its high PARP-trapping potency provides superior cytotoxicity in BRCA-deficient cells compared to earlier PARP inhibitors.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Inhibits poly(ADP-ribose) polymerase (PARP) enzymes involved in DNA single-strand break repair, exploiting homologous recombination deficiency in cancer cells to cause synthetic lethality.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Talazoparib is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.

                        

                    

                

            

            

            
            

            
            

            
            
{# References & Data Sources section for drug detail pages.
   Renders standard pharmacological database links plus the drug's data_sources field. #}


    
References & Data Sources

    
    
        
        
  • 
            
            
                ChEMBL — European Bioinformatics Institute (EBI).
                CHEMBL3137320.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 135565082.
                Chemical information database.
            
        
    • 
        
        
        
        
    

    
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-28.




        


        
        
    


    



    
إخلاء المسؤولية الطبية

    

        This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.
    

    

        Data sources:
        ChEMBL,
        PubChem,
        DailyMed.