Growth hormone response to growth hormone-releasing hormone

Biomarker

1 paper studies it1 more mentions it4 findings

  • Human trial1

Interventions

2

Bromocriptine

no changein humans1

1 study
  1. Bromocriptine has no effect on growth hormone response to growth hormone-releasing hormone in humans.

    “Bromocriptine given before GHRH failed to potentiate GHRH action on GH release in either group.”

    Human trialBromocriptine pretreatment1.25 mg bromocriptine before 0.5 microgram/kg GHRHmales

    Contribution of growth hormone-releasing hormone and somatostatin to decreased growth hormone secretion in elderly men

    South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

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Atenolol

no changein humans1

1 study
  1. Atenolol has no effect on growth hormone response to growth hormone-releasing hormone in humans.

    “Pre-treatment with atenolol before GHRH administration produced no significant increase in peak and AUC GH response in both groups”

    Human trialPretreatment before 0.5 microgram/kg GHRHTwo oral doses of 50 mg atenololmales

    Contribution of growth hormone-releasing hormone and somatostatin to decreased growth hormone secretion in elderly men

    South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

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Associations

2

Growth hormone-releasing hormone

mixedin humans1

1 study
  1. Growth hormone-releasing hormone is associated with growth hormone response to growth hormone-releasing hormone in humans (One normal response (> 10 ng/ml) after 1 week; one near-normal response (9.7 ng/ml) after 2 weeks; one impaired response (3.2 ng/ml) after 2 weeks).

    “One exhibited a normal response (> 10 ng/ml) after 1 week of daily GHRH treatment, another had a near-normal response after 2 weeks (9.7 ng/ml)”

    Human trialInitially impaired GH response to intravenous GHRH100 micrograms subcutaneously twice dailyUp to 2 weeksmalesn = 3

    Contribution of growth hormone-releasing hormone and somatostatin to decreased growth hormone secretion in elderly men

    South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

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Older age

downin humans1

1 study
  1. Older age is associated with growth hormone response to growth hormone-releasing hormone in humans (Peak 3.1 +/- 1.0 versus 21.6 +/- 5.0 ng/ml; AUC 205 +/- 56 versus 1,315 +/- 295 ng/ml/min).

    “The elderly men had a significantly lower peak and area under curve (AUC) GH response to intravenous GHRH”

    Human trialIntravenous GHRH stimulationD-Ala2 GHRH(1-29)-NH20.5 microgram/kgmalesn = 8

    Contribution of growth hormone-releasing hormone and somatostatin to decreased growth hormone secretion in elderly men

    South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

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