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DOAC - Interactions

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Table 1 : The Effect Of Drug- Drug Interactions On Direct Oral Anticoagulant Plasma Levels   
  Mechanism Warfarin* Dabigatran Apixaban Edoxaban Rivaroxaban  
Antiarrhythmic durgs               
Amiodarone                                          (and its metabolite desethylamiodarone) Inhibitor of CYP3A4, CYP1A2, CYP2C9, CYP2D6 and P-gp
 
     
 
 
     
 
Not Known
 
     
 
           
     
 
   
 
     
               (minor)
 
Diltiazem Inhibitor of CYP3A4
       
     
 
   
 
No effect
 
     
 
Not Known
              (minor)  
Dronedarone Moderate inhibior of CYP3A4; Inhibitor of P-gp     Not Known                       
Propafenone Inhibitor of CYP3A4
 
     
 
Not Known Not Known Not Known Not Known  
Propranolol Inhibitor of CYP1A2
       
     
 
   
 
     
 
Not Known Not Known
Not Known
Not Known
 
Quinidine Inhibitor of CYP3A4 and P-gp
         
   
 
     
 
Not Known                  (minor)  
Telmisartan Inhibitor of CYP3A4  
 
     
 
 
 
Verapamil Weak inhibitor of CYP3A4: P-gp competition Not Known               (minor)  
Other Cardiovascular Drugs  
 
 
       
Statins ( Atorvastatin, Lovastatin, Rosuvastatin and Simvastatin) Inhibitor of CYP3A4     Not Known No Effect No Effect  
Antibiotics              
Clarithromycin and Erythromycin Moderate inhibior of CYP3A4; Inhibitor of P-gp competition
   
   
 
   
 
 
     
 
Not Known
 
     
 
 
     
 
 
Isoniazid Inhibitor of CYP2C9   Not Known Not Known Not Known Not Known  
Metronidazole Inhibitor of CYP1A2 and CYP2C9
         
     
 
     
 
   
 
Not Known Not Known Not Known Not Known  
Quinolones (e.g. Ciprofloxacin) Strong inhibitor of CYP1A2 Not Known Not Known Not Known Not Known  
Rifampicin Inducer of CYP3A4 and CYP2C9
 
 
     
 
 
 
 
Trimethoprim/ Sulfametaoxasole Inhibitor of CYP3A4 Not Known Not Known Not Known Not Known  
Antiviral Drugs  
 
 
 
     
HIV protease inhibitors (e.g. Ritonarvir) Inhibitor of CYP3A4; P-gp/Bcrp competition   Not Known   Not Known
 
     
 
 
Fungostatics              
Fluconazole Moderate inhibitor of CYP3A4, CYP1A2 and CYP2C9
 
     
 
Not Known Not Known Not Known
 
     
 
 
Itraconazole, Ketoconazole, Posaconazole and Voriconazole Strong inhibitor of CYP3A4,CYP1A2 and CYP2C9; P-gp competition
 
     
 
 
     
 
 
     
 
 
     
 
 
     
 
 
Immunosuppressants  
 
   
 
 
 
Cyclosporin and Tacrolimus P-gp competition   Not recommended Not Known      
Antiphlogistics              
Non-sterodial anti-inflammatory drugs Inhibitor of CYP2C9; Competition for protein-binding sites
 
     
 
Not Known
 
     
 
No Effect Not Known  
Antacids              
Climetidine and proton-pump inhibitors Gastrointestinal absoption
 
 
No Effect No Effect No Effect  
Others               
Barbiturates (e.g. Phenobarbital)* Inducer of CYP3A4 and CYP2J and P-gp/BCRP
       
   
 
     
 
     
 
   
   
 
   
 
   
 
   
   
 
   
 
   
 
           
   
 
     
 
     
 
           
     
 
   
 
     
 
 
Carbamazpine* Inducer of CYP3A4 and CYP2J and P-gp/BCRP            
Phenytoin* Inducer of CYP3A4 and CYP2J and P-gp/BCRP            
               

apixaban dabigatran edoxaban rivaroxaban propranolol Amiodarone Diltiazem Dronedarone Propafenone Quinidine Telmisartan Verapamil Atorvastatin Lovastatin Rosuvastatin Simvastatin Antibiotics Clarithromycin Erythromycin Isoniazid Metronidazole Quinolones Rifampicin Trimethoprim Sulfametaoxasole Fluconazole Itraconazole Ketoconazole Posaconazole Voriconazole Cyclosporin Tacrolimus Antiphlogistics Immunosuppressants Antiviral Drugs Antiarrhythmic durgs Antacids Climetidine Barbiturates Carbamazpine Phenytoin Warfarin

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