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RELISTOR (METHYLNALTREXONE BROMIDE)
- Opioid-induced constipation
150 mg tablet
- 3 tablets (450 mg) by oral route once daily in the morning
12 mg/0.6 mL subcutaneous syringe
- Inject 0.6 milliliter (12 mg) by subcutaneous route every other day as needed (for patients weighing 62Kg to 114Kg)
8 mg/0.4 mL subcutaneous syringe
- Inject 0.4 milliliter (8 mg) by subcutaneous route every other day asneeded (for patients weighing 38Kg to <62Kg)
12 mg/0.6 mL subcutaneous solution
- Inject 0.15 mg/kg by subcutaneous route every other day (for patientsweighing <38Kg and >114Kg)
Opioid-induced constipation
- Inject 0.4 milliliter (8 mg) by subcutaneous route every other day asneeded (for patients weighing 38Kg to <62Kg)
- Inject 0.4 milliliter (8 mg) by subcutaneous route every other day (for patients weighing 38Kg to <62Kg)
- Inject 0.4 milliliter (8 mg) by subcutaneous route once daily as needed (for patients weighing 38Kg to <62Kg)
- Inject 0.4 milliliter (8 mg) by subcutaneous route once daily (for patients weighing 38Kg to <62Kg)
- Inject 0.6 milliliter (12 mg) by subcutaneous route every other day as needed (for patients weighing 62Kg to 114Kg)
- Inject 0.6 milliliter (12 mg) by subcutaneous route every other day (for patients weighing 62Kg to 114Kg)
- Inject 0.6 milliliter (12 mg) by subcutaneous route once daily as needed (for patients weighing 62Kg to 114Kg)
- Inject 0.6 milliliter (12 mg) by subcutaneous route once daily (for patients weighing 62Kg to 114Kg)
- 3 tablets (450 mg) by oral route once daily in the morning
- Inject 0.15 mg/kg by subcutaneous route every other day as needed (for patients weighing <38Kg and >114Kg)
- Inject 0.15 mg/kg by subcutaneous route every other day (for patientsweighing <38Kg and >114Kg)
- Inject 0.15 mg/kg by subcutaneous route once daily as needed (for patients weighing <38Kg and >114Kg)
- Inject 0.15 mg/kg by subcutaneous route once daily (for patients weighing <38Kg and >114Kg)
- None
Contraindicated
- None
Severe
Moderate
- None
- Chronic kidney disease stage 5 (failure) GFr<15 ml/min
- Gastrointestinal obstruction
- Gastrointestinal perforation
Contraindicated
- Chronic diarrhea
- Chronic kidney disease stage 3A (moderate) GFR 45-59
- Chronic kidney disease stage 3B (moderate) GFR 30-44
- Chronic kidney disease stage 4 (severe) GFR 15-29 ml/min
- Disease of liver
- Gastrointestinal ulcer
- Megacolon
- Primary malignant neoplasm of gastrointestinal tract
- Severe diarrhea
Severe
Moderate
- None
RELISTOR (METHYLNALTREXONE BROMIDE)
- Opioid-induced constipation
- None
- Abdominal pain with cramps
- Diarrhea
- Dizziness
- Flatulence
- Nausea
More Frequent
Severe
Less Severe
- None
- Chills
- Flushing
- Malaise
- Pilomotor abnormalities
Less Frequent
Severe
Less Severe
Rare / Very Rare
Severe
- Gastrointestinal perforation
- Opioid withdrawal symptoms
- Severe diarrhea
Less Severe
- Hyperhidrosis
- Vomiting
Contraindicated
None
Severe Precaution
None
Management or Monitoring Precaution
Methylnaltrexone
Safety and efficacy not established in pediatrics.
- 1 Day – 18 Years
- Safety and efficacy not established in pediatrics.
Methylnaltrexone
- Severity Level:
2
- Additional Notes: Consider benefit of treatment vs risks; may cause opioid withdrawal in fetus
Contraindicated
None
General | Excretion Potential | Effect on Infant | Notes |
None |
Precaution Exists
Methylnaltrexone
Insuff human data avail; potential for serious adv effects
General | Excretion Potential | Effect on Infant | Notes |
Evaluate use carefully | Unknown | Not known; no or inclusive data | Insuff human data avail; potential for serious adv effects |
No Known Risk
None
General | Excretion Potential | Effect on Infant | Notes |
None |
Contraindicated
None
Precaution Exists
Methylnaltrexone
Renal-Adjust dose for CrCL< 60 mL/min. See manufacturers recommendations based on the indications for use.
Organ / System | HEP | REN | CARD | ENDO | NEURO / PSYCH | PULM |
Increased Risk / Adverse Effects | Y | N | N | N | N | N |
BEERS: N HEDIS: N STOPP: N
No Known Risk
None
- None
Opioid-induced constipation | |
K59.09 | Other constipation |
0-9 | A-Z |
---|---|
K59.09 | Other constipation |
Formulary Reference Tool