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Study · Randomized controlled trial · n = 16 · 2013

4 results

Effect of oxytocin on craving and stress response in marijuana-dependent individuals: a pilot study.

McRae-Clark AL, Baker NL, Maria MM, Brady KT

Psychopharmacology6 Apr 2013Cited by 111 (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 study4

4 results from studies that gave the peptide. 4 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In marijuana-dependent adults, oxytocin reduced the Marijuana Craving Questionnaire total score from before to after the Trier Social Stress Task.

    In plain wordsIn people dependent on marijuana, oxytocin lowered craving scores from before to after a stress task, compared with placebo.

    Peptide
    Oxytocin
    Outcome
    DecreaseMarijuana craving (MCQ total score) change across the TSST
    Study

    n = 16

    Comparator
    Placebo
    Outcome group
    Addiction, withdrawal and alcohol intake · Mental health and mood
    Studied dose
    40 IU · intranasalAs given in this study (human).

    Source sentences

    Summary
    Oxytocin reduced both MCQ total score and DHEA levels from before to after the TSST
    2 context sentences
    Summary · context
    In a laboratory setting, baseline measurements of craving (assessed using the Marijuana Craving Questionnaire; MCQ), salivary cortisol and dehydroepiandrosterone (DHEA), stress, and anxiety were collected in 16 participants (age 19-40) meeting DSM-IV criteria for marijuana dependence.
    Summary · context
    Participants were then administered either oxytocin 40 IU (n = 8) or placebo (n = 8) nasal spray prior to completion of the Trier Social Stress Task (TSST).
  2. 02HumanRandomized controlled trialEfficacy outcome

    In marijuana-dependent adults, oxytocin reduced salivary DHEA levels from before to after the Trier Social Stress Task.

    In plain wordsIn people dependent on marijuana, oxytocin lowered the stress hormone DHEA from before to after a stress task, compared with placebo.

    Peptide
    Oxytocin
    Outcome
    DecreaseSalivary DHEA change across the TSST
    Study

    n = 16

    Comparator
    Placebo
    Outcome group
    Stress hormones · Endocrine and hormones
    Studied dose
    40 IU · intranasalAs given in this study (human).

    Source sentences

    Summary
    Oxytocin reduced both MCQ total score and DHEA levels from before to after the TSST.
    2 context sentences
    Summary · context
    In a laboratory setting, baseline measurements of craving (assessed using the Marijuana Craving Questionnaire; MCQ), salivary cortisol and dehydroepiandrosterone (DHEA), stress, and anxiety were collected in 16 participants (age 19-40) meeting DSM-IV criteria for marijuana dependence.
    Summary · context
    Participants were then administered either oxytocin 40 IU (n = 8) or placebo (n = 8) nasal spray prior to completion of the Trier Social Stress Task (TSST).
  3. 03HumanRandomized controlled trialEfficacy outcome

    In marijuana-dependent adults, oxytocin decreased anxiety compared with placebo.

    In plain wordsIn people dependent on marijuana, oxytocin lowered anxiety compared with placebo in a small pilot study.

    Peptide
    Oxytocin
    Outcome
    DecreaseAnxiety
    Study

    n = 16

    Comparator
    Placebo
    Outcome group
    Anxiety and mood · Mental health and mood
    Studied dose
    40 IU · intranasalAs given in this study (human).

    Source sentences

    Summary
    It also decreased anxiety, but not subjective stress ratings.
    2 context sentences
    Summary · context
    In a laboratory setting, baseline measurements of craving (assessed using the Marijuana Craving Questionnaire; MCQ), salivary cortisol and dehydroepiandrosterone (DHEA), stress, and anxiety were collected in 16 participants (age 19-40) meeting DSM-IV criteria for marijuana dependence.
    Summary · context
    Participants were then administered either oxytocin 40 IU (n = 8) or placebo (n = 8) nasal spray prior to completion of the Trier Social Stress Task (TSST).
  4. 04HumanRandomized controlled trialEfficacy outcome

    In marijuana-dependent adults, oxytocin did not decrease subjective stress ratings.

    In plain wordsIn people dependent on marijuana, oxytocin did not lower self-rated stress compared with placebo.

    Peptide
    Oxytocin
    Outcome
    No significant changeSubjective stress ratings
    Study

    n = 16

    Comparator
    Placebo
    Outcome group
    Anxiety and mood · Mental health and mood
    Studied dose
    40 IU · intranasalAs given in this study (human).

    Source sentences

    Summary
    but not subjective stress ratings.
    2 context sentences
    Summary · context
    In a laboratory setting, baseline measurements of craving (assessed using the Marijuana Craving Questionnaire; MCQ), salivary cortisol and dehydroepiandrosterone (DHEA), stress, and anxiety were collected in 16 participants (age 19-40) meeting DSM-IV criteria for marijuana dependence.
    Summary · context
    Participants were then administered either oxytocin 40 IU (n = 8) or placebo (n = 8) nasal spray prior to completion of the Trier Social Stress Task (TSST).

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, 02:49 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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