Constitutional delay in growth and puberty (CDGP) is associated with hypoleptinaemia

Matthew S. Gill, Catherine M. Hall, Vallo Tillmann, Peter E. Clayton

    Research output: Contribution to journalArticlepeer-review

    Abstract

    OBJECTIVE: Serum leptin concentrations are higher in early adolescence compared with childhood and may play a facilitatory role in pubertal development. Constitutional delay in growth and puberty (CDGP) is a disorder of the tempo of physical maturation and may be associated with relative hypoleptinaemia. We have therefore compared serum leptin concentrations in normal boys with those in boys exhibiting constitutional delay of growth, controlling for pubertal status, age and body mass index (BMI). PATIENTS: 23 boys with constitutional delay in growth (n=17, prepubertal) and puberty (n=6, early pubertal) and 88 normal boys (n=64 prepubertal, n=24 Tanner stage 2). MEASUREMENTS Serum leptin was measured in a single, non-fasted morning serum sample by radioimmunoassay. Using the data from normal boys, leptin standard deviation scores (sds) were calculated, to account for the independent influences of age and body mass index (BMI) sds. Both chronological age and bone age were used in the calculation of leptin sds in those with delay. RESULTS: BMIsds was significantly lower in prepubertal delays compared with controls but was not different in pubertal subjects. Leptin concentrations were higher in early puberty compared with prepuberty (P

    Original languageEnglish
    Pages (from-to)721-726
    Number of pages6
    JournalClin Endocrinol (Oxf)
    Volume50
    Issue number6
    DOIs
    Publication statusPublished - 1999

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