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      Nocturnal Profile of Growth Hormone Secretion during Sleep Induced by Zolpidem: A Double-Blind Study in Young Adults and Children

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          Overnight blood sampling for repeated growth hormone (GH) assays, regarded as the most physiological assessment of GH status, may induce some disturbances in patients’ sleep and then in the evaluation of GH secretion. We studied the influence of a hypnotic drug, zolpidem (10 mg), on nocturnal GH profiles (GH peak, time to first and maximum GH peak, area under the curve, mean integrated concentration) over two nights at a 7-day interval, in a double-blind cross-over design in a group of 12 young adult volunteers (27.9 ± 4.3 years), and in a group of 12 children (10.8 ± 2.3 years) with short stature, in a parallel double-blind study. Mean GH profiles showed no difference between zolpidem-treated subjects and placebo-treated controls, either in adults or in children. Although in these experimental conditions, sleep onset latency was significantly reduced with zolpidem in the adult volunteers, the mean time to first GH peak remained unchanged. Furthermore, GH profile did not relate with sleep duration, sleep onset latency or number of awakenings. A hypnotic drug, such as zolpidem, given at bedtime, is therefore devoided of effect on nocturnal GH profile and may be used in young children for overnight blood sampling when needed.

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          Author and article information

          Horm Res Paediatr
          Hormone Research in Paediatrics
          S. Karger AG
          02 December 2008
          : 35
          : 1
          : 30-34
          aCentre Aquitain d’Explorations Endocriniennes Pédiatriques, Bordeaux; bLERS-Synthelabo, Paris, France
          181872 Horm Res 1991;35:30–34
          © 1991 S. Karger AG, Basel

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          Pages: 5
          Original Paper


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