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gabapentin enacarbil (Horizant)
Indications:
- restless legs syndrome (FDA-approved April 2011)
- post-herpetic neuralgia [3]
- partial seizure [3]
Dosage:
- 600 mg PO at 5 PM (QD) (extended-release)
Pharmacokinetics:
- better absorbed than gabapentin & longer-acting, but no evidence that it works better or is better tolerated than gabapentin [2]
Adverse effects:
- carries warning of all anticonvulsants of risk for suicidal ideation
Mechanism of action:
- precursor of gabapentin
Interactions
drug adverse effects of anticonvulsants
monitor with anticonvulsants
General
gabapentin (Neurontin, Gralise)
References
- FDA NEWS RELEASE: April 7, 2011
FDA approves Horizant to treat restless legs syndrome
http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm250188.htm
- Prescriber's Letter 18(6): 2011
Restless Legs Syndrome
(subscription needed) http://www.prescribersletter.com
- Deprecated Reference