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Study · Measured the body's own peptide · 2015

1 result

Acute Effects of Lysergic Acid Diethylamide in Healthy Subjects.

Schmid Y, Enzler F, Gasser P, Grouzmann E, Preller KH, Vollenweider FX, Brenneisen R, Müller F, Borgwardt S, Liechti ME

Biological psychiatry29 Nov 2014Cited by 322 (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 study1

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

Natural levels measured1

These results measure the body's own peptide. Nobody was given the peptide. They are not evidence about taking it. They are left out of key results, evidence counts and charts.

  1. 01HumanEndogenous levelRandomized controlled trialOther

    In healthy subjects, LSD (200 μg) significantly increased plasma oxytocin compared with placebo.

    In plain wordsIn healthy people, LSD raised the body's own oxytocin level in blood compared with placebo.

    Peptide
    Oxytocin
    Outcome
    IncreasePlasma oxytocin after LSD
    Study

    n = 16

    Comparator
    Placebo
    Outcome group
    Sex hormones and fertility · Endocrine and hormones

    Source sentences

    Summary
    LSD significantly increased blood pressure, heart rate, body temperature, pupil size, plasma cortisol, prolactin, oxytocin, and epinephrine.
    1 context sentence
    Summary · context
    In a double-blind, randomized, placebo-controlled, crossover study, LSD (200 μg) and placebo were administered to 16 healthy subjects (8 women, 8 men).

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

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

    11 Oct 2026, 01:30 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:51 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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