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Ketotifen

CHEMBL534 Phase 4 Одобрено Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
309.4 g/mol
LogP
3.2
Phase
4

An antihistamine and mast cell stabilizer used to prevent allergic symptoms including asthma attacks and atopic dermatitis flares. It blocks histamine receptors and reduces the release of inflammatory chemicals from mast cells.

Молекулярная масса

309,4000 g/mol

LogP

3,20

TPSA

48,60 Ų

Правило пяти Липинского

Соответствует

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

                

                

                
                

                    
InChI

                    
InChI=1S/C19H19NOS/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/h2-5,8,11H,6-7,9-10,12H2,1H3

                

                

                

                    
                    

                        
Molecular Formula

                        
C19H19NOS

                    

                    
                    

                        
HBD / HBA

                        
- / 3

                    

                    
                    

                        
Вращаемые Связи

                        
0

                    

                    
                    
                    

                        
Тяжёлые Атомы

                        
22

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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

                

                    
                    

                        
                        

                            
An antihistamine and mast cell stabilizer used to prevent allergic symptoms including asthma attacks and atopic dermatitis flares. It blocks histamine receptors and reduces the release of inflammatory chemicals from 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 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).
                CHEMBL534.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 3827.
                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.