Overview Colonic Motor Patterns in Healthy Volunteers Status: Completed Trial end date: 2019-05-09 Target enrollment: Participant gender: Summary Characterization of motor patterns with opioid agonists (codeine) ingestion, and their reversal by a peripherally acting mu-opioid receptor antagonist (Naloxegol). Phase: Phase 4 Details Lead Sponsor: Universitaire Ziekenhuizen KU LeuvenTreatments: CodeineNaloxegol