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Study · Case report or series · n = 1 · 2026

2 results

Nutritional Vulnerability in RYGB Unmasked by GLP-1 Therapy.

Madej J, Gonzaga ER, Naveed M

ACG case reports journal27 Feb 2026

PMID41767340 (opens in a new tab)PMCIDPMC12947982 (opens in a new tab)DOI10.14309/crj.0000000000002032 (opens in a new tab)PepBankPUB-41767340
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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: CC BY-NC-ND. Results still quote short attributed sentences.

Results from this study2

2 results from studies that gave the peptide. 2 results from people.

  1. 01HumanCase report or seriesSafety outcome

    In one patient after Roux-en-Y gastric bypass, life-threatening malnutrition with profound micronutrient deficiencies occurred after semaglutide initiation.

    In plain wordsOne patient who had gastric bypass surgery became severely malnourished after starting semaglutide. One case cannot show cause.

    Peptide
    Semaglutide
    Outcome
    Not applicableLife-threatening malnutrition with micronutrient deficiencies
    Study

    n = 1

    Outcome group
    Adverse events · Metabolic and weight
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We report a case of life-threatening malnutrition and liver injury in a post-Roux-en-Y gastric bypass patient after initiation of semaglutide, who subsequently developed profound micronutrient deficiencies and acute liver injury requiring ICU care, parenteral nutrition, and endoscopic bypass reversal.
  2. 02HumanCase report or seriesSafety outcome

    In one patient after Roux-en-Y gastric bypass, acute liver injury requiring ICU care, parenteral nutrition and endoscopic bypass reversal occurred after semaglutide initiation.

    In plain wordsOne patient who had gastric bypass surgery developed acute liver injury needing intensive care after starting semaglutide. One case cannot show cause.

    Peptide
    Semaglutide
    Outcome
    Not applicableAcute liver injury requiring ICU care
    Study

    n = 1

    Outcome group
    Adverse events · Liver
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We report a case of life-threatening malnutrition and liver injury in a post-Roux-en-Y gastric bypass patient after initiation of semaglutide, who subsequently developed profound micronutrient deficiencies and acute liver injury requiring ICU care, parenteral nutrition, and endoscopic bypass reversal.

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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

    11 Oct 2026, 00:04 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:06 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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