Terence Ketter

Publication Details

  • Switching from Other Agents to Extended-Release Carbamazepine in Acute Mania PSYCHOPHARMACOLOGY BULLETIN El-Mallakh, R. S., Ketter, T. A., Weisler, R. H., Hirschfeld, R., Cutler, A. J., Gazda, T., Keck, P., Swann, A. C., Kalali, A. H. 2008; 41 (1): 52-58

    Abstract:

    There is a dearth of available knowledge relating to the efficacy of switching from one psychotropic agent to another in treating patients with acute mania.This is a post hoc analysis of data from two randomized, placebo-controlled trials of carbamazepine extended-release capsules (CBZ-ERC) in the treatment of mania, to evaluate the efficacy of CBZ-ERC in patients previously nonresponsive to lithium (n 5 40), olanzapine (n 5 38), or valproate (VPA, n 5 77).In patients previously on lithium, Young Mania Rating Scale (YMRS) scores improved significantly from baseline to end point (27.4 6 SD 3.5 vs. 15.8 6 11.1; P 5 .0002). In patients previously on VPA or olanzapine, YMRS scores significantly improved in both CBZ-ERC- and placebo-treated groups (VPA: CBZ-ERC, P , .0001; placebo, P 5 .0002; olanzapine: CBZ-ERC, P , .0001; placebo, P 5 .0054). Improvement in YMRS was significantly greater in CBZ-ERC-treated patients versus placebo in subjects previously nonresponsive to lithium (CBZ-ERC 11.6 6 10.3 vs. placebo 4.0 6 11.2, P 5 .03), or VPA (CBZ-ERC 10.8 6 11.9 vs. placebo 5.7 6 9.2; P 5 .04), and trending to be greater for those previously nonresponsive to olanzapine (olanzapine 13.2 6 9.3 vs. placebo 7.3 6 9.7, P 5 .06).CBZ-ERC is an effective therapy for bipolar patients previously nonresponsive to lithium or valproate. Medication switch is frequently associated with symptom improvement.

    View details for Web of Science ID 000207792400005

    View details for PubMedID 18362871

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