PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23726675-1 2013 Naloxegol (previously known as NKTR-118) is a peripherally acting mu-opioid receptor antagonist engineered using polymer conjugate technology in development as an oral, once-daily agent for the treatment of opioid-induced constipation (OIC). naloxegol 0-9 natural killer cell triggering receptor Homo sapiens 31-35