PHARMACOKINETICS >
Horizant® Absorption
Unique Absorption for 24-hour Protection With 1 Dose2
Extended gabapentin exposure for up to 8.4 hours2
Approximate equimolar doses in the same healthy adults2
aThe recommended dosage of Horizant® for RLS is 600 mg taken once daily with food at about 5 PM. A daily dose of 1200 mg provided no additional benefit compared with the 600 mg dose and caused an increase in adverse reactions. Patients with creatinine clearance <60 mL/min have a different dosing regimen.1
bThe molecular weight of Horizant® is ~2 times that of gabapentin: Two 600 mg doses of Horizant® contain 626 mg of gabapentin.2
cData for fasted state are not available, as Horizant® Prescribing Information states that it should be taken with food.1
Horizant® is not interchangeable with other gabapentin products.1
The clinical significance of the PK data for Horizant® and gabapentin is unknown.