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Study · Not a test of the peptide alone · 2007

11 results

Synthetic adrenocorticotropic hormone stimulation tests in healthy neonatal foals.

Hart KA, Ferguson DC, Heusner GL, Barton MH

Journal of veterinary internal medicine1 Mar 2007Cited by 16 (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 study11

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone11

In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking Cosyntropin.

  1. 01AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, 1 microg cosyntropin did not significantly increase cortisol.

    In plain wordsIn foals, 1 microg cosyntropin did not significantly increase cortisol.

    Outcome
    No significant changeCortisol response to 1 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Comparator
    Baseline
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Serum cortisol concentrations did not significantly increase after administration of 1 microg of cosyntropin.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  2. 02AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cortisol peaked 30 minutes after 10 microg cosyntropin.

    In plain wordsIn foals, cortisol peaked 30 minutes after 10 microg cosyntropin.

    Outcome
    Not applicableTime to peak cortisol at 10 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Cortisol concentration peaked 30 minutes after administration of 10 microg of cosyntropin and 90 minutes after 100 and 250 microg of cosyntropin.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  3. 03AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cortisol peaked 90 minutes after 100 microg cosyntropin.

    In plain wordsIn foals, cortisol peaked 90 minutes after 100 microg cosyntropin.

    Outcome
    Not applicableTime to peak cortisol at 100 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Cortisol concentration peaked 30 minutes after administration of 10 microg of cosyntropin and 90 minutes after 100 and 250 microg of cosyntropin.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  4. 04AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cortisol peaked 90 minutes after 250 microg cosyntropin.

    In plain wordsIn foals, cortisol peaked 90 minutes after 250 microg cosyntropin.

    Outcome
    Not applicableTime to peak cortisol at 250 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Cortisol concentration peaked 30 minutes after administration of 10 microg of cosyntropin and 90 minutes after 100 and 250 microg of cosyntropin.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  5. 05AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cosyntropin dose had no relationship with cortisol at 30 minutes.

    In plain wordsIn foals, cosyntropin dose had no relationship with cortisol at 30 minutes.

    Outcome
    No significant changeDose relationship at 30 minutes
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    There was no relationship between cosyntropin dose and serum cortisol concentration at 30 minutes.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  6. 06AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, 100 microg cosyntropin induced significantly greater cortisol at 90 minutes than 10 microg.

    In plain wordsIn foals, 100 microg cosyntropin produced more cortisol at 90 minutes than 10 microg.

    Outcome
    IncreaseCortisol at 90 minutes after 100 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Comparator
    10 microg cosyntropin
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Compared with the 10-microg dose, 100 and 250 microg of cosyntropin induced significantly greater cortisol concentrations at 90 minutes, at which point the 10-microg cosyntropin-dose cortisol values were indistinguishable from baseline.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  7. 07AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, 250 microg cosyntropin induced significantly greater cortisol at 90 minutes than 10 microg.

    In plain wordsIn foals, 250 microg cosyntropin produced more cortisol at 90 minutes than 10 microg.

    Outcome
    IncreaseCortisol at 90 minutes after 250 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Comparator
    10 microg cosyntropin
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Compared with the 10-microg dose, 100 and 250 microg of cosyntropin induced significantly greater cortisol concentrations at 90 minutes, at which point the 10-microg cosyntropin-dose cortisol values were indistinguishable from baseline.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  8. 08AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cortisol 90 minutes after 10 microg cosyntropin was indistinguishable from baseline.

    In plain wordsIn foals, cortisol 90 minutes after 10 microg cosyntropin did not differ from baseline.

    Outcome
    No significant changeCortisol at 90 minutes after 10 microg
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Comparator
    Baseline
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    Compared with the 10-microg dose, 100 and 250 microg of cosyntropin induced significantly greater cortisol concentrations at 90 minutes, at which point the 10-microg cosyntropin-dose cortisol values were indistinguishable from baseline.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  9. 09AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, cortisol area under the curve did not differ significantly between 100 and 250 microg cosyntropin.

    In plain wordsIn foals, total cortisol responses did not differ significantly between 100 and 250 microg cosyntropin.

    Outcome
    No significant changeCortisol area under curve
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Comparator
    250 microg cosyntropin
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    There was no significant difference in the area under the cortisol concentration curve between the 100- and 250-microg doses.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  10. 10AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, testing day did not affect peak cortisol after cosyntropin.

    In plain wordsIn foals, testing day did not affect peak cortisol after cosyntropin.

    Outcome
    No significant changeTesting day effect on peak cortisol
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    No effect of day of testing or foal weight on peak cortisol concentration was detected.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

  11. 11AnimalNot a test of Cosyntropin aloneAnimal study (in vivo)Activity measurement

    In neonatal foals, weight did not affect peak cortisol after cosyntropin.

    In plain wordsIn foals, weight did not affect peak cortisol after cosyntropin.

    Outcome
    No significant changeWeight effect on peak cortisol
    Study

    horsen: not reported in source

    Healthy neonatal foals
    Outcome group
    Adrenal Function · Endocrine and hormones

    Source sentences

    Summary
    No effect of day of testing or foal weight on peak cortisol concentration was detected.
    3 context sentences
    Summary · context
    14 healthy neonatal foals, 3-4 days of age.
    Summary · context
    A randomized cross-over model was used in which cosyntropin (1, 10, 100, or 250 microg) was administered intravenously on days 3 and 4 of life.
    Summary · context
    Blood samples were collected before and 30, 60, 90, 120, and 150 minutes after administration of cosyntropin for determination of serum cortisol concentration.

    In this study, Cosyntropin was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking Cosyntropin.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

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

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:37 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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