PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32813881-2 2021 In 2016, the label of LNG was updated based on a drug-drug interaction (DDI) study showing a significant decrease in LNG exposure when co-administered with efavirenz, a known CYP3A4 inducer. efavirenz 156-165 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 175-181