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Relistor
methylnaltrexone
Adult Dosing .
Dosage forms: TAB: 150 mg; INJ (pre-filled syringe): 8 mg per 0.4 mL, 12 mg per 0.6 mL; INJ (vial): 12 mg per 0.6 mL
constipation, opioid-induced
- [chronic non-cancer pain pts]
- Dose: 450 mg PO qam; Alt: 12 mg SC qd; Info: for pts w/ chronic non-cancer pain, incl. pain related to prior cancer or tx; give tab w/ water >30min before first meal
- [palliative care pts, <38 kg]
- Dose: 0.15 mg/kg/dose SC qod prn; Max: 1 dose/24h
- [palliative care pts, 38-61 kg]
- Dose: 8 mg SC qod prn; Max: 1 dose/24h
- [palliative care pts, 62-114 kg]
- Dose: 12 mg SC qod prn; Max: 1 dose/24h
- [palliative care pts, >114 kg]
- Dose: 0.15 mg/kg/dose SC qod prn; Max: 1 dose/24h
renal dosing
- [PO route]
- CrCl <60: 150 mg PO qam
- HD/PD: not defined
- [SC route]
- CrCl <60: decr. usual dose by 50%
- HD/PD: not defined
hepatic dosing
- [PO route]
- Child-Pugh Class B or C: 150 mg PO qam
- [SC route]
- Child-Pugh Class C: consider decr. usual dose by 50%
Peds Dosing .
Peds dosing is currently unavailable or not applicable for this drug.