Overview Study in Healthy Volunteers to Investigate the Effects of Diltiazem on the Pharmacokinetics of Naloxegol Status: Completed Trial end date: 2012-08-01 Target enrollment: Participant gender: Summary Study in healthy volunteers to investigate the effects of Diltiazem on the Pharmacokinetics of naloxegol. Phase: Phase 1 Details Lead Sponsor: AstraZenecaTreatments: DiltiazemNaloxegol