| gptkbp:instanceOf | gptkb:drug gptkb:selective_estrogen_receptor_modulator
 
 | 
                        
                            
                                | gptkbp:administeredBy | gptkb:tablet oral solution
 
 | 
                        
                            
                                | gptkbp:approvalYear | 1977 
 | 
                        
                            
                                | gptkbp:approvedBy | gptkb:FDA 
 | 
                        
                            
                                | gptkbp:ATCCode | gptkb:L02BA01 
 | 
                        
                            
                                | gptkbp:brand | gptkb:Nolvadex gptkb:Soltamox
 
 | 
                        
                            
                                | gptkbp:CASNumber | gptkb:10540-29-1 
 | 
                        
                            
                                | gptkbp:category | gptkb:antineoplastic_agent gptkb:prodrug
 endocrine therapy
 hormonal antineoplastic agent
 
 | 
                        
                            
                                | gptkbp:chemicalFormula | gptkb:C26H29NO 
 | 
                        
                            
                                | gptkbp:contraindication | pregnancy history of deep vein thrombosis
 history of pulmonary embolism
 
 | 
                        
                            
                                | gptkbp:developedBy | gptkb:ICI_Pharmaceuticals 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Dora_Richardson 
 | 
                        
                            
                                | gptkbp:eliminationHalfLife | 5-7 days 
 | 
                        
                            
                                | gptkbp:foundIn | gptkb:World_Health_Organization's_List_of_Essential_Medicines 
 | 
                        
                            
                                | gptkbp:interactsWith | gptkb:warfarin gptkb:SSRIs
 CYP2D6 inhibitors
 
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                                | gptkbp:legalStatus | prescription only 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | estrogen receptor agonist in uterus estrogen receptor antagonist in breast tissue
 
 | 
                        
                            
                                | gptkbp:metabolism | gptkb:CYP2D6 gptkb:CYP3A4
 
 | 
                        
                            
                                | gptkbp:patentExpired | yes 
 | 
                        
                            
                                | gptkbp:pregnancyCategory | D (US) 
 | 
                        
                            
                                | gptkbp:prodrugFor | gptkb:4-hydroxytamoxifen gptkb:endoxifen
 
 | 
                        
                            
                                | gptkbp:routeOfAdministration | oral 
 | 
                        
                            
                                | gptkbp:sideEffect | nausea fatigue
 increased risk of blood clots
 mood changes
 hot flashes
 increased risk of endometrial cancer
 leg cramps
 
 | 
                        
                            
                                | gptkbp:usedFor | gptkb:cancer infertility
 gynecomastia
 prevention of breast cancer
 treatment of ductal carcinoma in situ
 treatment of metastatic breast cancer
 
 | 
                        
                            
                                | gptkbp:WHOModelListOfEssentialMedicines | yes 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:ICI_Pharmaceuticals 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | tamoxifen 
 |