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Etidronic Acid

CHEMBL871 Phase 4 Approved Small molecule
Half-Life
—
Bioavailability
—
Protein Binding
—
Molecular Weight
206.0 g/mol
LogP
-3.7
Phase
4

This bisphosphonate medication slows bone breakdown by inhibiting osteoclasts, the cells responsible for dissolving bone tissue. It is used to treat Paget's disease and to prevent bone loss in certain conditions.

Molecular Weight

206.0300 g/mol

LogP

-3.70

TPSA

135.00 Ų

Lipinski RO5

Pass

Therapeutic Areas

Malaria Osteoporosis Prostate Cancer

Mechanism of Action

Binds to hydroxyapatite crystals in bone, inhibiting osteoclast-mediated bone resorption by disrupting the mevalonate pathway within osteoclasts. This reduces bone turnover and increases bone mineral density.

Pharmacokinetics (PK)

Pharmacodynamics (PD)

Mechanism

Binds to hydroxyapatite crystals in bone, inhibiting osteoclast-mediated bone resorption by disrupting the mevalonate pathway within osteoclasts. This reduces bone turnover and increases bone mineral density.

2D Structure

SVG PNG

Cite this structure


                        

                            
                            
                        

                    

                


                
                

                    

                    

                        
Embed this structure

                        

                        

                            
                            
                        

                    

                

                

                
                

                    
SMILES

                    
CC(O)(P(=O)(O)O)P(=O)(O)O

                

                

                
                

                    
InChI

                    
InChI=1S/C2H8O7P2/c1-2(3,10(4,5)6)11(7,8)9/h3H,1H3,(H2,4,5,6)(H2,7,8,9)

                

                

                

                    
                    

                        
Molecular Formula

                        
C2H8O7P2

                    

                    
                    

                        
HBD / HBA

                        
5 / 7

                    

                    
                    

                        
Rotatable Bonds

                        
2

                    

                    
                    
                    

                        
Heavy Atoms

                        
11

                    

                    
                

            


            
            

                
                


    
    
        
    
    
    
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.

    



                
            


            
            
            

                
Frequently Asked Questions

                

                    
                    

                        
                        

                            
This bisphosphonate medication slows bone breakdown by inhibiting osteoclasts, the cells responsible for dissolving bone tissue. It is used to treat Paget's disease and to prevent bone loss in certain conditions.

                        

                    

                    

                    

                    
                    

                        
                        

                            
Binds to hydroxyapatite crystals in bone, inhibiting osteoclast-mediated bone resorption by disrupting the mevalonate pathway within osteoclasts. This reduces bone turnover and increases bone mineral density.

                        

                    

                    

                    

                    

                        
                        

                            
Yes, Etidronic Acid 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).
                CHEMBL871.
                Open-access bioactivity database.
            
        
    • 
        
        
        
  • 
            
            
                PubChem — National Center for Biotechnology Information (NCBI).
                CID 3305.
                Chemical information database.
            
        
    • 
        
        
        
        
    

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




        


        
        
    


    



    
Medical Disclaimer

    

        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.