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Study · Non-randomized trial · 1992

16 results

Effect of increasing doses of recombinant human insulin-like growth factor-I on glucose, lipid, and leucine metabolism in man.

Turkalj I, Keller U, Ninnis R, Vosmeer S, Stauffacher W

The Journal of clinical endocrinology and metabolism1 Nov 1992Cited by 72 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study16

16 results from studies that gave the peptide. 16 results from people.

  1. 01HumanNon-randomized trialPharmacokinetics

    In fasted normal males, IGF-I at 5 micrograms/kg.h produced total plasma IGF-I of 247 +/- 30 ng/ml versus 127 +/- 7 without IGF-I.

    In plain wordsIn fasted normal males, the lowest active IGF-I dose produced higher blood IGF-I levels than no IGF-I.

    Outcome
    IncreaseTotal plasma IGF-I at low dose
    Study

    n: not reported in source

    Comparator
    0 micrograms/kg.h
    Outcome group
    Pharmacokinetics · Pharmacology
    Studied dose
    5 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Total plasma IGF-I
    247 ng/ml
    5 micrograms/kg.h group (SD 30)
    Total plasma IGF-I
    127 ng/ml
    0 micrograms/kg.h group (SD 7)

    Source sentences

    Summary
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h, resulting in total plasma IGF-I concentrations 127 +/- 7, 247 +…
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  2. 02HumanNon-randomized trialPharmacokinetics

    In fasted normal males, IGF-I at 7.5 micrograms/kg.h produced total plasma IGF-I of 389 +/- 39 ng/ml.

    In plain wordsIn fasted normal males, this IGF-I dose produced higher blood IGF-I levels than no IGF-I.

    Outcome
    IncreaseTotal plasma IGF-I at intermediate dose
    Study

    n: not reported in source

    Comparator
    0 micrograms/kg.h
    Outcome group
    Pharmacokinetics · Pharmacology
    Studied dose
    7.5 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Total plasma IGF-I
    389 ng/ml
    7.5 micrograms/kg.h group (SD 39)
    Total plasma IGF-I
    127 ng/ml
    0 micrograms/kg.h group (SD 7)

    Source sentences

    Summary
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h, resulting in total plasma IGF-I concentrations 127 +/- 7, 247 +…
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  3. 03HumanNon-randomized trialPharmacokinetics

    In fasted normal males, IGF-I at 15 micrograms/kg.h produced total plasma IGF-I of 573 +/- 62 ng/ml.

    In plain wordsIn fasted normal males, this IGF-I dose produced higher blood IGF-I levels than no IGF-I.

    Outcome
    IncreaseTotal plasma IGF-I at higher dose
    Study

    n: not reported in source

    Comparator
    0 micrograms/kg.h
    Outcome group
    Pharmacokinetics · Pharmacology
    Studied dose
    15 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Total plasma IGF-I
    573 ng/ml
    15 micrograms/kg.h group (SD 62)
    Total plasma IGF-I
    127 ng/ml
    0 micrograms/kg.h group (SD 7)

    Source sentences

    Summary
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h, resulting in total plasma IGF-I concentrations 127 +/- 7, 247 +…
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  4. 04HumanNon-randomized trialPharmacokinetics

    In fasted normal males, IGF-I at 30 micrograms/kg.h produced total plasma IGF-I of 620 +/- 105 ng/ml.

    In plain wordsIn fasted normal males, the highest IGF-I dose produced higher blood IGF-I levels than no IGF-I.

    Outcome
    IncreaseTotal plasma IGF-I at highest dose
    Study

    n: not reported in source

    Comparator
    0 micrograms/kg.h
    Outcome group
    Pharmacokinetics · Pharmacology
    Studied dose
    30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Total plasma IGF-I
    620 ng/ml
    30 micrograms/kg.h group (SD 105)
    Total plasma IGF-I
    127 ng/ml
    0 micrograms/kg.h group (SD 7)

    Source sentences

    Summary
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h, resulting in total plasma IGF-I concentrations 127 +/- 7, 247 +…
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  5. 05HumanNon-randomized trialEfficacy outcome

    IGF-I increased glucose consumption dose dependently in fasted normal males, reaching 6.7 +/- 1.3 mg/kg. min at the highest dose.

    In plain wordsIn fasted normal males, higher IGF-I doses increased glucose use.

    Outcome
    IncreaseGlucose consumption
    Study

    n: not reported in source

    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Glucose consumption
    6.7 mg/kg. min
    30 micrograms/kg.h group, up to (SD 1.3)
    P value for glucose consumption dose-dependent increase
    < 0.001 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Glucose consumption (euglycemic glucose clamp) increased dose dependently during IGF-I infusion (P < 0.001) up to 6.7 +/- 1.3 mg/kg. min in the 30 micrograms/kg.h group.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  6. 06HumanNon-randomized trialEfficacy outcome

    IGF-I reduced triglycerides dose dependently in fasted normal males, with a 43% fall at 30 micrograms/kg.h.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced triglycerides.

    Outcome
    DecreaseTriglycerides
    Study

    n: not reported in source

    Outcome group
    Lipids · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Plasma triglyceride fall
    43%
    30 micrograms/kg.h group
    P value for plasma triglyceride concentration dose-dependent decrease
    < 0.03 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Plasma triglyceride concentrations decreased with increasing doses of IGF-I (P < 0.03); the fall was 43% in the 30 micrograms/kg.h group.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  7. 07HumanNon-randomized trialEfficacy outcome

    IGF-I at 7.5 micrograms/kg.h reduced free fatty acids by 23% in fasted normal males.

    In plain wordsThis IGF-I dose reduced free fatty acids in fasted normal males.

    Outcome
    DecreaseFree fatty acids at intermediate dose
    Study

    n: not reported in source

    Outcome group
    Lipids · Metabolic and weight
    Studied dose
    7.5 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Plasma free fatty acid decrease
    23%
    7.5 micrograms/kg.h

    Source sentences

    Summary
    Plasma free fatty acid concentrations decreased during 7.5, 15, and 30 micrograms/kg.h IGF-I by 23%, 34%, and 48%, respectively.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  8. 08HumanNon-randomized trialEfficacy outcome

    IGF-I at 15 micrograms/kg.h reduced free fatty acids by 34% in fasted normal males.

    In plain wordsThis IGF-I dose reduced free fatty acids in fasted normal males.

    Outcome
    DecreaseFree fatty acids at higher dose
    Study

    n: not reported in source

    Outcome group
    Lipids · Metabolic and weight
    Studied dose
    15 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Plasma free fatty acid decrease
    34%
    15 micrograms/kg.h

    Source sentences

    Summary
    Plasma free fatty acid concentrations decreased during 7.5, 15, and 30 micrograms/kg.h IGF-I by 23%, 34%, and 48%, respectively.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  9. 09HumanNon-randomized trialEfficacy outcome

    IGF-I at 30 micrograms/kg.h reduced free fatty acids by 48% in fasted normal males.

    In plain wordsThe highest IGF-I dose reduced free fatty acids in fasted normal males.

    Outcome
    DecreaseFree fatty acids at highest dose
    Study

    n: not reported in source

    Outcome group
    Lipids · Metabolic and weight
    Studied dose
    30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Plasma free fatty acid decrease
    48%
    30 micrograms/kg.h

    Source sentences

    Summary
    Plasma free fatty acid concentrations decreased during 7.5, 15, and 30 micrograms/kg.h IGF-I by 23%, 34%, and 48%, respectively.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  10. 10HumanNon-randomized trialEfficacy outcome

    IGF-I reduced beta-hydroxybutyrate dose dependently in fasted normal males.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced beta-hydroxybutyrate.

    Outcome
    DecreaseBeta-hydroxybutyrate
    Study

    n: not reported in source

    Outcome group
    Metabolic pathways and metabolomics · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    P value for plasma beta-hydroxybutyrate concentration dose-dependent decrease
    < 0.025 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    IGF-I lowered plasma beta-hydroxybutyrate concentrations in a dose-dependent manner (P < 0.025).
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  11. 11HumanNon-randomized trialEfficacy outcome

    IGF-I reduced plasma leucine dose dependently in fasted normal males.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced blood leucine.

    Outcome
    DecreaseLeucine concentration
    Study

    n: not reported in source

    Outcome group
    Protein and amino acid metabolism · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    P value for plasma leucine concentration dose-dependent decrease
    < 0.001 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Plasma concentrations of leucine and alpha-ketoisocaproate decreased dose dependently (P < 0.001 and P < 0.015).
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  12. 12HumanNon-randomized trialEfficacy outcome

    IGF-I reduced plasma alpha-ketoisocaproate dose dependently in fasted normal males.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced blood alpha-ketoisocaproate.

    Outcome
    DecreaseAlpha-ketoisocaproate
    Study

    n: not reported in source

    Outcome group
    Protein and amino acid metabolism · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    P value for plasma alpha-ketoisocaproate concentration dose-dependent decrease
    < 0.015 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Plasma concentrations of leucine and alpha-ketoisocaproate decreased dose dependently (P < 0.001 and P < 0.015).
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  13. 13HumanNon-randomized trialEfficacy outcome

    IGF-I reduced whole-body leucine flux dose dependently in fasted normal males, with a 41% reduction at 30 micrograms/kg.h.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced protein breakdown.

    Outcome
    DecreaseWhole-body leucine flux
    Study

    n: not reported in source

    Outcome group
    Protein and amino acid metabolism · Metabolic and weight
    Studied dose
    30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Whole body leucine flux decrease
    41%
    30 micrograms/kg.h

    Source sentences

    Summary
    Whole body leucine flux (1-13C-leucine infusion technique) decreased with increasing doses of IGF-I by 41% during 30 micrograms/kg.h, indicating decreased whole body protein breakdown.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  14. 14HumanNon-randomized trialEfficacy outcome

    IGF-I reduced leucine oxidation dose dependently in fasted normal males, with a 57% reduction at 30 micrograms/kg.h.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced leucine breakdown.

    Outcome
    DecreaseLeucine oxidation
    Study

    n: not reported in source

    Outcome group
    Protein and amino acid metabolism · Metabolic and weight
    Studied dose
    30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    Leucine oxidation decrease
    57%
    30 micrograms/kg.h group
    P value for leucine oxidation into 13co2 dose-dependent decrease
    < 0.045 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Leucine oxidation into 13CO2 decreased with increasing doses of IGF-I (P < 0.045) by 57% in the 30 micrograms/kg.h group, suggesting inhibition of irreversible loss of leucine.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  15. 15HumanNon-randomized trialEfficacy outcome

    IGF-I reduced plasma C-peptide dose dependently in fasted normal males.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced C-peptide.

    Outcome
    DecreaseC-peptide
    Study

    n: not reported in source

    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    P value for plasma c-peptide concentration dose-dependent decrease
    < 0.005 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Plasma C-peptide and insulin concentrations decreased dose dependently (P < 0.005 and P < 0.02), indicating diminished insulin secretion.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h
  16. 16HumanNon-randomized trialEfficacy outcome

    IGF-I reduced plasma insulin dose dependently in fasted normal males.

    In plain wordsIn fasted normal males, higher IGF-I doses reduced insulin.

    Outcome
    DecreaseInsulin
    Study

    n: not reported in source

    Outcome group
    Glycemic control · Metabolic and weight
    Studied dose
    5, 7.5, 15, or 30 micrograms/kg.h · infusion · 8 hAs given in this study (human).

    Measurements

    P value for plasma insulin concentration dose-dependent decrease
    < 0.02 dimensionless
    Dose-dependent response across IGF-I infusion doses

    Source sentences

    Summary
    Plasma C-peptide and insulin concentrations decreased dose dependently (P < 0.005 and P < 0.02), indicating diminished insulin secretion.
    1 context sentence
    Summary · context
    The metabolic effects of recombinant human insulin-like growth factor-I (IGF-I) were assessed in five groups of normal male overnight-fasted volunteers receiving infusions of either 0, 5, 7.5, 15, or 30 micrograms/kg.h IGF-I during 8 h

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Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    14 Oct 2026, 05:02 UTC

    Study results updated

  2. Version 1

    14 Oct 2026, 01:46 UTC

    First added · source update from Europe PMC

Subjects

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