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  • Title: [GH after baclofen and diazepam].
    Author: Carletti P, Morosini PP, Ferretti GF, Campanella N.
    Journal: Boll Soc Ital Biol Sper; 1981 Dec 15; 57(23):2351-4. PubMed ID: 6279128.
    Abstract:
    It has been proposed that GABAergic receptors possess two functionally distinct, but strictly co-operating binding sites, one for GABA itself, another for benzodiazepines. The activation of GABA receptor is followed by opening of the Cl- channels. This action is strengthened if both binding sites of GABA receptor are contemporaneously engaged by their respective agonists. Baclofen, a GABAergic drug, is able, in acute administration, to determine an increase of serum GH in man. The aim of this work was to control if benzodiazepines can strengthen this metabolic effect of Baclofen in vivo. Five healthy voluntary women were studied. Blood samples for serum GH evaluation were collected basally and 30, 60, 90, 120, 150, 180, 210 minutes after oral administration of 20 mg. of Baclofen. This test was repeated one week after oral administration of 12 mg. die of Diazepam. The results were analyzed for paired data. The finding show that the metabolic effect of Baclofen on GH secretion are prolonged in time after Diazepam premedication and suggest that GABA-benzodiazepines interaction is effective at hypothalamo-hypophyseal level in man.
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