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OTC
Gabapentin enacarbil
INN: Gabapentin enacarbil
Data updated: 2026-04-18
Available in:
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About This Product
ATC Code
User Reviews
Reviews reflect personal experiences and are not medical advice. Always consult your doctor.
N02BF01
Source
KEGG
USDailyMed:Gabapentin_enacarbilUSFDA:Horizant
AU:B1
None
US:℞-only
(1-{[({(1RS)-1-[isobutyryloxy]ethoxy}carbonyl)amino]methyl}cyclohexyl)acetic acid
478296-72-9Y
9883933
7560
8059607N
75OCL1SPBQ
CHEBI:68840N
DTXSID30870359
Interactive image
CC(C)C(=O)OC(C)OC(=O)NCC1(CCCCC1)CC(=O)O
InChI=1S/C16H27NO6/c1-11(2)14(20)22-12(3)23-15(21)17-10-16(9-13(18)19)7-5-4-6-8-16/h11-12H,4-10H2,1-3H3,(H,17,21)(H,18,19)NKey:TZDUHAJSIBHXDL-UHFFFAOYSA-NN
Gabapentin enacarbil, sold under the brand nameHorizant, among others, is ananticonvulsantandanalgesicdrug of thegabapentinoidclass, and aprodrugtogabapentin.It was designed for increased oralbioavailabilityover gabapentin,and human trials showed it to produce extended release of gabapentin with almost twice the overall bioavailability,especially when taken with a fatty meal.Gabapentin enacarbil has passed humanclinical trialsfor the treatment ofrestless legs syndrome, and initial results have shown it to be well tolerated and reasonably effective.
Gabapentin enacarbil was denied approval by the USFood and Drug Administration(FDA) in February 2010, citing concerns about possible increased cancer risk shown by some animal studies. Similar concerns had been raised about gabapentin itself in the past, but were felt to be outweighed by its clinical utility as an anticonvulsant, whereas the treatment of restless legs syndrome was not seen to justify the same kind of risk.On 6 April 2011, Xenoport received FDA approval for Horizant (gabapentin enacarbil) for the treatment of moderate-to-severe restless legs syndrome.On 7 June 2012, the FDA approved Horizant for the treatment ofpostherpetic neuralgiain adults.
⚠️ Warnings
• Caution should be exercised in patients with history of depression, suicidal thoughts, kidney impairment, any allergy, who are taking other medications, children especially less than 3 years old, during pregnancy and breastfeeding.
• It may cause drowsiness, dizziness, or blurred vision, do not drive a car or operate machinery while taking this medication.
• It may affect blood sugar level; monitor sugar level regularly.
• Patient may develop with increased risk of suicidal thoughts; watch them carefully.
• Monitor liver function, kidney function, and complete blood cell counts regularly while taking this medication.