Terence Ketter

Publication Details

  • LACK OF BENEFICIAL-EFFECTS OF L-BACLOFEN IN AFFECTIVE-DISORDER INTERNATIONAL CLINICAL PSYCHOPHARMACOLOGY Post, R. M., Ketter, T. A., Joffe, R. T., KRAMLINGER, K. L. 1991; 6 (4): 197-207

    Abstract:

    GABAB mechanisms have been implicated in the antinociceptive, but not anticonvulsant effects of carbamazepine. A variety of antidepressants have been reported to upregulate GABAB receptors after chronic administration. The GABAB agonist l-baclofen was studied in depressed patients based on two separate rationales. l-Baclofen, in doses ranging from 10-55 mg/day, was administered to five patients with primary affective disorder. No patient showed a positive clinical response, while three patients showed a pattern of increasing depression or cycling during treatment and improvement during withdrawal. These preliminary data suggest that GABAB agonism is unlikely to produce antidepressant effects and may be unrelated to the mechanism of carbamazepine's antidepressant action. These data, taken with a reinterpretation of other findings that antidepressant modalities upregulate GABAB receptors in brain following chronic administration, suggest that GABAB antagonism rather than agonism may be a fruitful clinical strategy to explore in depression.

    View details for Web of Science ID A1991HH68800001

    View details for PubMedID 1816278

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