Half-life elimination: Ramelteon: 1 to 2.6 hours
Excretion: Primarily as metabolites: Urine (84%); feces (4%)
禁忌症
History of angioedema with previous ramelteon therapy (do not rechallenge); concurrent use with fluvoxamine
懷孕分類
C Adverse events were observed in some animal reproduction studies.<20201207>
哺乳分類
It is not known if ramelteon is excreted in breast milk. The manufacturer recommends that caution be used when administering ramelteon to breastfeeding women. Monitor infants exposed to ramelteon via breast milk for somnolence and feeding problems. <20201207>
Insomnia: Oral: 8 mg once daily administered within 30 minutes of bedtime. Maximum dose: 8 mg/day.
Delirium (prevention), ICU related (off-label use): 8 mg once daily at bedtime (Hatta 2014). Additional trials may be necessary to further define the role of ramelteon in the prevention of ICU delirium.
小兒調整劑量
Safety and efficacy not established in pediatric patients
腎功能調整劑量
No dosage adjustment necessary.
肝功能調整劑量
Mild impairment: There are no dosage adjustments provided in the manufacturer's labeling.
Moderate impairment: There are no dosage adjustments provided in the manufacturer's labeling; use with caution.
Severe impairment: Use is not recommended.