Ghrelin restores 'lean-type' hunger and energy expenditure profiles in morbidly obese subjects but has no effect on postgastrectomy subjects

M. S B Huda, T. Dovey, S. P. Wong, P. J. English, J. Halford, P. McCulloch, J. Cleator, B. Martin, J. Cashen, K. Hayden, J. P H Wilding, J. Pinkney

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Objective: To examine the effects of ghrelin on appetite and energy expenditure in lean, obese and postgastrectomy subjects. Design: A randomized, double-blind, placebo-controlled study. Patients: Nine lean subjects (mean body mass index (BMI) 23.5±3 kg/m2) and nine morbidly obese subjects (mean BMI 51.4±10 kg/m2) and eight postgastrectomy subjects (mean BMI 22.4±1.0 kg/m2). Interventions: Subjects were infused with either intravenous ghrelin (5 pmol kg-1 min -1) or saline over 270 min. They were given a fixed energy breakfast followed by a free buffet lunch towards the end of the infusion. Main outcome measures: Visual analogue scales were used to record hunger and energy expenditure was measured by indirect calorimetry. Results: Ghrelin increased energy intake at the buffet lunch in lean subjects (a 41% increase, P
    Original languageEnglish
    Pages (from-to)317-325
    Number of pages8
    JournalInternational Journal of Obesity
    Volume33
    Issue number3
    DOIs
    Publication statusPublished - Mar 2009

    Keywords

    • Gastrectomy
    • Ghrelin
    • Hunger

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