Overview Effects of Switching From Racemic Methadone to R-methadone on QTc Intervals Status: Active, not recruiting Trial end date: 2022-04-30 Target enrollment: Participant gender: Summary Effects of switching from racemic methadone to R-methadone on serum methadone concentrations and QTc intervals Phase: Phase 4 Details Lead Sponsor: Oslo University HospitalTreatments: Methadone