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Epilepsy: Pregabalin at doses of 150 to 600 mg/day has been shown to be effective as adjunctive therapy in the treatment of partial onset seizures in adults. Both the efficacy and adverse event profiles of pregabalin have been shown to be dose-related. Administer the total daily dose in two or three divided doses. In general, it is recommended that patients be started on a total daily dose no greater than 150 mg/day (75 mg two times a day, or 50 mg three times a day). Based on individual patient response and tolerability, the dose may be increased to a maximum dose of 600 mg/day.
Because pregabalin is eliminated primarily by renal excretion, adjust the dose in patients with reduced renal function.
The effect of dose escalation rate on the tolerability of pregabalin has not been formally studied.
The efficacy of add-on pregabalin in patients taking gabapentin has not been evaluated in controlled trials. Consequently, dosing recommendations for the use of pregabalin with gabapentin cannot be offered.
Neuropathic Pain (Postherpetic neuralgia): The recommended dose of pregabalin is 75 to 150 mg two times a day, or 50 to 100 mg three times a day (150 to 300 mg/day) in patients with creatinine clearance of at least 60 mL/min. Begin dosing at 75 mg two times a day or 50 mg three times a day (150 mg/day). The dose may be increased to 300 mg/day within 1 week based on efficacy and tolerability. Because pregabalin is eliminated primarily by renal excretion, adjust the dose in patients with reduced renal function.
Patients who do not experience sufficient pain relief following 2 to 4 weeks of treatment with 300 mg/day, and who are able to tolerate pregabalin, may be treated with up to 300 mg two times a day, or 200 mg three times a day (600 mg/day). In view of the dose-dependent adverse reactions and the higher rate of treatment discontinuation due to adverse reactions, reserve dosing above 300 mg/day for those patients who have on-going pain and are tolerating 300 mg daily.
Neuropathic Pain (Diabetic neuropathy): The maximum recommended dose of pregabalin is 100 mg three times a day (300 mg/day) in patients with creatinine clearance of at least 60 mL/min. Begin dosing at 50 mg three times a day (150 mg/day). The dose may be increased to 300 mg/day within 1 week based on efficacy and tolerability. Because pregabalin is eliminated primarily by renal excretion, adjust the dose inpatients with reduced renal function.
In view of the dose-dependent adverse reactions, treatment with doses above 300 mg/day is not recommended.
Fibromyalgia: The recommended dose of pregabalin for fibromyalgia is 300 to 450 mg/day. Begin dosing at 75 mg two times a day (150 mg/day). The dose may be increased to 150 mg two times a day (300 mg/day) within 1 week based on efficacy and tolerability. Patients who do not experience sufficient benefit with 300 mg/day may be further increased to 225 mg two times a day (450 mg/day). Although pregabalin was also studied at 600 mg/day, there is no evidence that this dose confers additional benefit and this dose was less well tolerated. In view of the dose-dependent adverse reactions, treatment with doses above 450 mg/day is not recommended. Because pregabalin is eliminated primarily by renal excretion, adjust the dose in patients with reduced renal function.
Generalized Anxiety Disorder (GAD): The dose range of Pregabalin for Generalized Anxiety Disorder is 150 - 600 mg/day in 2 - 3 divided doses.
Initial dose is 150 mg/day. The dosage may increase based on individual patient response and tolerability at weekly intervals in increments of 150 mg/day up to 300 mg/day after 1 week and up to 450 mg/day in the following week. The maximum dosage of 600 mg/day may be achieved after an additional week. The need for treatment should be reassessed regularly.
Patients with Renal Impairment: For patients undergoing hemodialysis, adjust the pregabalin daily dose based on renal function. In addition to the daily dose adjustment, administer a supplemental dose immediately following every 4-hour hemodialysis treatment (see Table).
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