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Study · Not a test of the peptide alone · 2021

10 results

A quantitative UHPLC-MS/MS method for the growth hormone-releasing peptide-6 determination in complex biological matrices and transdermal formulations.

Esposito CL, Ac AG, Laszlo E, Duy SV, Michaud C, Sauvé S, Ong H, Marleau S, Banquy X, Brambilla D

Talanta26 May 2021Cited by 2 (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 study10

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

Studies that did not test the peptide alone10

In this study, GHRP-6 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 GHRP-6.

  1. 01LabNot a test of GHRP-6 aloneEx vivo tissueActivity measurement

    In pig skin tests, GHRP‑6-loaded microneedle patches demonstrated the assay methods' validity and applicability.

    In plain wordsIn lab tests with pig skin, GHRP‑6 microneedle patches demonstrated that the assay methods were applicable.

    Peptide
    GHRP-6
    Outcome
    Not applicableAssay applicability to transdermal delivery
    Study

    pign: not reported in source

    Pig skin with GHRP-6-loaded microneedle patches
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    The validity and applicability of such methods were successfully demonstrated for transdermal GHRP-6 delivery using GHRP-6-loaded MN patches applied to pig skin.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  2. 02LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, the GHRP‑6 assay detection limit was 0.1 ng/mL in neat solution.

    In plain wordsIn lab tests, the GHRP‑6 assay detected 0.1 ng/mL in neat solution.

    Peptide
    GHRP-6
    Outcome
    Not applicableDetection limit in neat solution
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Measurements

    Detection limit
    0.1 ng/mL
    neat solution

    Source sentences

    Summary
    UHPLC/MS-MS method detection limits of 0.1, 1.1, 0.9 and 1.5 ng/mL were achieved in neat solution, plasma, MN polymer solution, and skin matrices, respectively.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  3. 03LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, the GHRP‑6 assay detection limit was 1.1 ng/mL in plasma.

    In plain wordsIn lab tests, the GHRP‑6 assay detected 1.1 ng/mL in plasma.

    Peptide
    GHRP-6
    Outcome
    Not applicableDetection limit in plasma
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Measurements

    Detection limit
    1.1 ng/mL
    plasma

    Source sentences

    Summary
    UHPLC/MS-MS method detection limits of 0.1, 1.1, 0.9 and 1.5 ng/mL were achieved in neat solution, plasma, MN polymer solution, and skin matrices, respectively.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  4. 04LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, the GHRP‑6 assay detection limit was 0.9 ng/mL in MN polymer solution.

    In plain wordsIn lab tests, the GHRP‑6 assay detected 0.9 ng/mL in microneedle polymer solution.

    Peptide
    GHRP-6
    Outcome
    Not applicableDetection limit in polymer solution
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    UHPLC/MS-MS method detection limits of 0.1, 1.1, 0.9 and 1.5 ng/mL were achieved in neat solution, plasma, MN polymer solution, and skin matrices, respectively.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  5. 05LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, the GHRP‑6 assay detection limit was 1.5 ng/mL in skin matrices.

    In plain wordsIn lab tests, the GHRP‑6 assay detected 1.5 ng/mL in skin matrices.

    Peptide
    GHRP-6
    Outcome
    Not applicableDetection limit in skin matrices
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    UHPLC/MS-MS method detection limits of 0.1, 1.1, 0.9 and 1.5 ng/mL were achieved in neat solution, plasma, MN polymer solution, and skin matrices, respectively.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  6. 06LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, matched calibration curves for GHRP‑6 had R-squared greater than 0.990.

    In plain wordsIn lab tests, GHRP‑6 calibration curves had R-squared greater than 0.990.

    Peptide
    GHRP-6
    Outcome
    Not applicableCalibration linearity
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Method validation also involved assessment of precision, accuracy, limits of quantification, linearity of matched calibration curves (R2 > 0.990), extraction recovery, matrix effect, stability studies, selectivity, and carry-over effect.
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  7. 07LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, GHRP‑6 quality-control recovery ranged from 85-109%.

    In plain wordsIn lab tests, GHRP‑6 quality-control recovery ranged from 85-109%.

    Peptide
    GHRP-6
    Outcome
    Not applicableRecovery
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Additionally, quality control samples were analyzed at three concentration levels to determine recovery (85-109%) and accuracy/bias (3.2-14.7%).
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  8. 08LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, GHRP‑6 quality-control accuracy/bias ranged from 3.2-14.7%.

    In plain wordsIn lab tests, GHRP‑6 assay accuracy/bias ranged from 3.2-14.7%.

    Peptide
    GHRP-6
    Outcome
    Not applicableAccuracy/bias
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Additionally, quality control samples were analyzed at three concentration levels to determine recovery (85-109%) and accuracy/bias (3.2-14.7%).
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  9. 09LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, GHRP‑6 assay intra-day precision had RSDs of 3.0-13.9%, within acceptance limits.

    In plain wordsIn lab tests, GHRP‑6 assay within-day precision met acceptance limits.

    Peptide
    GHRP-6
    Outcome
    Not applicableIntra-day precision
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Intra- and inter-day precision were within the range of acceptance (RSDs of 3.0-13.9% and 0.4-14.5%, respectively).
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

  10. 10LabNot a test of GHRP-6 aloneIn vitro (cell-free)Activity measurement

    In lab tests, GHRP‑6 assay inter-day precision had RSDs of 0.4-14.5%, within acceptance limits.

    In plain wordsIn lab tests, GHRP‑6 assay between-day precision met acceptance limits.

    Peptide
    GHRP-6
    Outcome
    Not applicableInter-day precision
    Study

    n: not reported in source

    UHPLC-MS/MS assay
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Intra- and inter-day precision were within the range of acceptance (RSDs of 3.0-13.9% and 0.4-14.5%, respectively).
    1 context sentence
    Summary · context
    The ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) methods developed in this study aimed to quantify GHRP-6 in biological matrices (plasma, skin) and dissolving polymeric MNs.

    In this study, GHRP-6 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 GHRP-6.

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

    21 Oct 2026, 15:58 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:13 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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