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Ketotifen Fumarate

CHEMBL1633 Phase 4 Одобрено Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
425.5 g/mol
LogP
—
Phase
4

The fumarate salt form of ketotifen, used as an antihistamine and mast cell stabilizer for allergy and asthma prevention. It shares the same dual mechanism as the parent compound, blocking histamine and stabilizing mast cells.

Молекулярная масса

425,5000 g/mol

TPSA

123,00 Ų

Терапевтические области

Asthma Breast Cancer Atopic Dermatitis Chronic Pain

Механизм действия

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Механизм

Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

2D Структура

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
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SMILES

                    
CN1CCC(=C2c3ccccc3CC(=O)c3sccc32)CC1.O=C(O)/C=C/C(=O)O

                

                

                
                

                    
InChI

                    
InChI=1S/C19H19NOS.C4H4O4/c1-20-9-6-13(7-10-20)18-15-5-3-2-4-14(15)12-17(21)19-16(18)8-11-22-19;5-3(6)1-2-4(7)8/h2-5,8,11H,6-7,9-10,12H2,1H3;1-2H,(H,5,6)(H,7,8)/b;2-1+

                

                

                

                    
                    

                        
Molecular Formula

                        
C23H23NO5S

                    

                    
                    

                        
HBD / HBA

                        
2 / 7

                    

                    
                    

                        
Вращаемые Связи

                        
2

                    

                    
                    
                    

                        
Тяжёлые Атомы

                        
30

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
Часто задаваемые вопросы

                

                    
                    

                        
                        

                            
The fumarate salt form of ketotifen, used as an antihistamine and mast cell stabilizer for allergy and asthma prevention. It shares the same dual mechanism as the parent compound, blocking histamine and stabilizing mast cells.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Competitively blocks histamine H1 receptors on effector cells, preventing histamine-mediated vasodilation, increased vascular permeability, bronchoconstriction, and pruritus. First-generation agents also cross the blood-brain barrier, causing sedation.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Ketotifen Fumarate 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).
                CHEMBL1633.
                Open-access bioactivity database.
            
        
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  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 5282408.
                Chemical information database.
            
        
    • 
        
        
        
        
    

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




        


        
        
    


    



    
Медицинский отказ от ответственности

    

        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.