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Study · Not a test of the peptide alone · 2025

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SARMs, Metabolic Modulators and Growth Hormone Secretagogues in Suspected Illegal Medicines, Bought as Sport Performance Enhancers: A Retro- and Prospective Study Within the GEON.

Barrios MM, Deconinck E, Vanhee C, Lamme EK, 't Hart-Bakker I, Syversen PV, Bøyum O, Li-Ship G, Young S, Blazewicz A, Poplawska M, Hakkarainen B and 15 more

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Huynh NH, Hackl A, Portela MJ, Martinho P, Beerbaum N, Gaudiano MC, Raimondo M, Marleau V, Cloutier J, Ollerenshaw J, Hansen A, Mills J, Aha M, Luchte C, Miquel M

Drug testing and analysis23 Jun 2025Cited by 2 (Europe PMC)

PMID40551438 (opens in a new tab)DOI10.1002/dta.3918 (opens in a new tab)PepBankPUB-40551438
Publisher pagePubMedAsk about this study
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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 study1

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

Studies that did not test the peptide alone1

In this study, MK-677 (ibutamoren) 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 MK-677 (ibutamoren).

  1. 01LabNot a test of MK-677 (ibutamoren) aloneIn vitro (cell-free)Other

    In surveillance of suspected illegal performance-enhancing products, ibutamoren was among the five most reported molecules.

    In plain wordsIn lab tests of suspected illegal performance-enhancing products, ibutamoren was among the five most reported compounds.

    Peptide
    MK-677 (ibutamoren)
    Outcome
    Not applicableDetection among most reported molecules
    Study

    n: not reported in source

    suspected illegal performance-enhancing products
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    Eighteen different molecules, within the scope of the study, were reported with as top 5: ibutamoren, ligandrol, ostarine, cardarine and andarine.

    In this study, MK-677 (ibutamoren) 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 MK-677 (ibutamoren).

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

    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

Terms as the source lists them.

Publication types

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