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(GH)-secreting pituitary tumor that increases GH and insulin-like growth factor 1 (IGF-1) secretion ( 2 ). The primary aim of the treatment – through neurosurgery, radiotherapy or pharmacological therapy – is to achieve disease control by normalizing
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normalising insulin-like growth factor 1 (IGF1) levels that are inadequately controlled by octreotide or lanreotide ( 2 ). Long-term outcomes from clinical studies have demonstrated effective and consistent biochemical control with pasireotide for up to 304
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Department of Pediatrics and Adolescent Medicine, Aarhus University Hospital, Aarhus, Denmark
Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
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, GHD can be monitored by linear growth. However, assessment of linear growth is of no use when final height has been reached. Furthermore, insulin-like growth factor 1 (IGF-1) has been questioned as a reliable biochemical proxy marker of GHD in CR
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Introduction Growth hormone (GH) is a significant regulator of growth and metabolism ( 1 ). In the liver, GH stimulates the synthesis and secretion of insulin-like growth factor 1 (IGF-1) ( 2 ). The GH/IGF-1 axis can regulate hepatic glucose
Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
Department of Endocrinology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
School of Nursing and Midwifery, Institute of Clinical Sciences, University of Birmingham, UK
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Department of Endocrinology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
Department of Endocrinology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
Department of Endocrinology, Queen Elizabeth Hospital, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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that in healthy individuals, GH and IGF-1 secretions decrease with advancing age ( 25 ). To date, the optimal duration of GH treatment in adults with GHD has not been established, as it remains unclear if its beneficial effects are sustained in the long
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). The exceptions when re-testing is generally not required are in patients with genetic/congenital defects, irreversible hypothalamic–pituitary lesions, and in those with panhypopituitarism and low serum insulin-like growth factor 1 (IGF1) levels ( 4
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/mL). Impairment to growth hormone–insulin-like growth factor-1 (GH/IGF1): children with growth retardation or adults with obvious hypometabolic syndrome had IGF1 levels below 2 s.d. than their peers and had additional pituitary hormone deficiencies. Impairment
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secretion. All eight tumours causing acromegaly expressed growth hormone (GH) and produced elevated insulin-like growth factor 1 (IGF-1) levels (mean 3.1× upper limit of normal). Of these, six tumours expressed prolactin, but none caused high serum prolactin
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expensive, a biochemical marker for GHD screening would be beneficial. Serum insulin-like growth factor 1 (s-IGF1) has been proposed as a screening tool for GHD as low s-IGF1 may indicate GHD. However, its use remains debatable as s-IGF1 within normal range
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function, like immune and visual function, seems to depend more on extrapituitary circuits, namely insulin ( 4 , 5 ), IGF2 ( 6 ), brain GH ( 7 ), and brain IGF1 and IGF2 ( 8 , 9 ) than on the classical somatotropic axis (pituitary GH and circulating IGF1