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Study · Not a test of the peptide alone · 2017

4 results

Detection and in vitro metabolism of the confiscated peptides BPC 157 and MGF R23H.

Cox HD, Miller GD, Eichner D

Drug testing and analysis10 Feb 2017Cited by 11 (Europe PMC)

PMID28035768 (opens in a new tab)DOI10.1002/dta.2152 (opens in a new tab)PepBankPUB-28035768
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 study4

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

Studies that did not test the peptide alone4

In this study, the peptide 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 the peptide.

  1. 01LabNot a test of BPC-157 aloneIn vitro (cell-free)Other

    A validated weak cation exchange solid phase extraction method detected BPC‑157 in urine, with a limit of detection of 0.1 ng/mL and precision of less than 20%.

    In plain wordsIn lab tests, a validated method detected BPC‑157 in urine at very low levels.

    Peptide
    BPC-157
    Outcome
    Not applicableUrine detection method (limit of detection, precision)
    Study

    n: not reported in source

    urine
    Outcome group
    Analytical methods and detection · Pharmacology

    Measurements

    Limit of detection
    0.1 ng/mL
    urine
    Precision
    < 20%
    urine

    Source sentences

    Summary
    A weak cation exchange solid phase extraction method was validated for detection of BPC 157 in urine.
    1 context sentence
    Summary · context
    The method has a limit of detection of 0.1 ng/mL, precision of less than 20%, and good linearity, r2 0.998.

    In this study, BPC-157 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 BPC-157.

  2. 02LabNot a test of BPC-157 aloneIn vitro (cell-free)Other

    BPC‑157 was stable in urine for at least 4 days.

    In plain wordsIn lab tests, BPC‑157 stayed stable in urine for at least 4 days.

    Peptide
    BPC-157
    Outcome
    Not applicableStability of BPC 157 in urine
    Study

    n: not reported in source

    urine
    Outcome group
    Analytical methods and detection · Pharmacology

    Measurements

    Stability in urine
    ≥ 4 days
    urine

    Source sentences

    Summary
    BPC 157 was stable in urine for at least 4 days.

    In this study, BPC-157 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 BPC-157.

  3. 03LabNot a test of BPC-157 aloneIn vitro (cell-free)Pharmacokinetics

    In in vitro plasma metabolism experiments, BPC‑157 formed a stable metabolite that should be detectable in urine.

    In plain wordsIn lab tests with plasma, BPC‑157 formed a stable breakdown product that urine tests should detect.

    Peptide
    BPC-157
    Outcome
    Not applicableIn vitro plasma metabolism of BPC 157
    Study

    n: not reported in source

    plasma
    Outcome group
    Pharmacokinetics · Pharmacology

    Source sentences

    Summary
    BPC 157 forms a stable metabolite that should be detectable in urine.

    In this study, BPC-157 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 BPC-157.

  4. 04LabNot a test of MGF / PEG-MGF aloneOther designOther

    In in vitro plasma metabolism experiments, the MGF variant MGF R23H had good stability and should be detectable in urine.

    In plain wordsIn lab tests, a variant of MGF stayed stable in plasma and should be detectable in urine.

    Peptide
    MGF / PEG-MGF
    Outcome
    Not applicableIn vitro plasma stability of MGF R23H
    Study

    n: not reported in source

    in vitro plasma metabolism
    Outcome group
    Analytical methods and detection · Pharmacology

    Source sentences

    Summary
    In vitro metabolism experiments in plasma demonstrate that MGF R23H has good stability and should be detectable in urine, while

    In this study, MGF / PEG-MGF 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 MGF / PEG-MGF.

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. Versions 5 to 19Current

    28 Oct 2026, 02:02 UTC

    The same notice was added 15 times, first on 13 Oct 2026, 21:44 UTC. The status did not change between them.

    Study results updated

  2. Version 4

    13 Oct 2026, 16:31 UTC

    Study data updated · source update from Europe PMC

  3. Version 3

    10 Oct 2026, 08:19 UTC

    Study results updated

  4. Version 2

    9 Oct 2026, 03:03 UTC

    Study data updated · source update from Europe PMC

  5. Version 1

    9 Oct 2026, 02:56 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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