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Lapatinib Ditosylate

CHEMBL1201179 Phase 4 승인됨 Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
943.5 g/mol
LogP
—
Phase
4

The ditosylate salt form of lapatinib, a dual HER2/EGFR inhibitor used to treat advanced or metastatic HER2-positive breast cancer. It is typically combined with other cancer therapies for improved efficacy.

분자량

943.5000 g/mol

TPSA

241.00 Ų

치료 영역

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

작용 기전

Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

기전

Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

2D 구조

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
SMILES

                    
CS(=O)(=O)CCNCc1ccc(-c2ccc3ncnc(Nc4ccc(OCc5cccc(F)c5)c(Cl)c4)c3c2)o1.Cc1ccc(S(=O)(=O)O)cc1.Cc1ccc(S(=O)(=O)O)cc1.O

                

                

                
                

                    
InChI

                    
InChI=1S/C29H26ClFN4O4S.2C7H8O3S.H2O/c1-40(36,37)12-11-32-16-23-7-10-27(39-23)20-5-8-26-24(14-20)29(34-18-33-26)35-22-6-9-28(25(30)15-22)38-17-19-3-2-4-21(31)13-19;2*1-6-2-4-7(5-3-6)11(8,9)10;/h2-10,13-15,18,32H,11-12,16-17H2,1H3,(H,33,34,35);2*2-5H,1H3,(H,8,9,10);1H2

                

                

                

                    
                    

                        
Molecular Formula

                        
C43H44ClFN4O11S3

                    

                    
                    

                        
HBD / HBA

                        
5 / 16

                    

                    
                    

                        
회전 가능 결합

                        
13

                    

                    
                    
                    

                        
무거운 원자

                        
63

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
자주 묻는 질문

                

                    
                    

                        
                        

                            
The ditosylate salt form of lapatinib, a dual HER2/EGFR inhibitor used to treat advanced or metastatic HER2-positive breast cancer. It is typically combined with other cancer therapies for improved efficacy.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Targets the HER2 (ErbB2) receptor tyrosine kinase, blocking HER2-mediated signaling that drives proliferation in HER2-overexpressing cancer cells.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Lapatinib Ditosylate 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).
                CHEMBL1201179.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 11557040.
                Chemical information database.
            
        
    • 
        
        
        
        
    

    
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.




        


        
        
    


    



    
의학적 면책조항

    

        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.