Skip to content

Study · Randomized controlled trial · n = 12 · 2021

5 results

Intranasal oxytocin as a treatment for chronic pelvic pain: A randomized controlled feasibility study.

Flynn MJ, Campbell TS, Robert M, Nasr-Esfahani M, Rash JA

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics8 Dec 2020Cited by 16 (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 study5

5 results from studies that gave the peptide. 5 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In women with chronic pelvic pain, a 2-week course of intranasal oxytocin improved pain severity relative to placebo.

    In plain wordsIn women with chronic pelvic pain, two weeks of nasal oxytocin improved pain severity compared with placebo.

    Peptide
    Oxytocin
    Outcome
    DecreasePain severity
    Study

    n = 12

    Comparator
    Placebo
    Outcome group
    Pain · Nervous system and cognition
    Studied dose
    Dose not stated · intranasal · 2 weeksAs given in this study (human).

    Source sentences

    Summary
    Relative to placebo, a 2-week course of oxytocin administration resulted in improvement in pain severity
    2 context sentences
    Summary · context
    To investigate the effect of intranasal oxytocin on chronic pelvic pain in a randomized, double-blind, within-subject crossover trial.
    Summary · context
    Women with chronic pelvic pain were recruited from chronic pain and gynecology clinics between September 2017 and December 2018.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In women with chronic pelvic pain, intranasal oxytocin had no effect on pain-related interference relative to placebo.

    In plain wordsIn women with chronic pelvic pain, nasal oxytocin did not change how much pain got in the way of life, compared with placebo.

    Peptide
    Oxytocin
    Outcome
    No significant changePain-related interference
    Study

    n = 12

    Comparator
    Placebo
    Outcome group
    Pain · Nervous system and cognition
    Studied dose
    Dose not stated · intranasal · 2 weeksAs given in this study (human).

    Source sentences

    Summary
    with no effect on pain-related interference.
    2 context sentences
    Summary · context
    To investigate the effect of intranasal oxytocin on chronic pelvic pain in a randomized, double-blind, within-subject crossover trial.
    Summary · context
    Women with chronic pelvic pain were recruited from chronic pain and gynecology clinics between September 2017 and December 2018.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In women with chronic pelvic pain, four women had a minimal clinically significant improvement in pain after intranasal oxytocin; no women met this threshold with placebo.

    In plain wordsFour women with chronic pelvic pain had a clinically meaningful pain improvement after nasal oxytocin. None did with placebo.

    Peptide
    Oxytocin
    Outcome
    IncreaseMinimal clinically significant improvement in pain (responders)
    Study

    n = 12

    Comparator
    Placebo
    Outcome group
    Pain · Nervous system and cognition
    Studied dose
    Dose not stated · intranasal · 2 weeksAs given in this study (human).

    Source sentences

    Summary
    This effect was driven by four women who demonstrated a minimal clinically significant improvement in pain following intranasal oxytocin (no women met this threshold for placebo).
    2 context sentences
    Summary · context
    To investigate the effect of intranasal oxytocin on chronic pelvic pain in a randomized, double-blind, within-subject crossover trial.
    Summary · context
    Women with chronic pelvic pain were recruited from chronic pain and gynecology clinics between September 2017 and December 2018.
  4. 04HumanRandomized controlled trialSafety outcome

    In women with chronic pelvic pain, adverse effects did not differ between intranasal oxytocin and placebo.

    In plain wordsIn women with chronic pelvic pain, side effects of nasal oxytocin were not different from those with placebo.

    Peptide
    Oxytocin
    Outcome
    No significant changeAdverse effects
    Study

    n: not reported in source

    Comparator
    Placebo
    Outcome group
    Adverse events · Whole body
    Studied dose
    Dose not stated · intranasal · 2 weeksAs given in this study (human).

    Source sentences

    Summary
    occurrence of adverse effects did not differ between oxytocin and placebo.
    2 context sentences
    Summary · context
    To investigate the effect of intranasal oxytocin on chronic pelvic pain in a randomized, double-blind, within-subject crossover trial.
    Summary · context
    Women with chronic pelvic pain were recruited from chronic pain and gynecology clinics between September 2017 and December 2018.
  5. 05HumanRandomized controlled trialOther

    In women with chronic pelvic pain, adherence to intranasal oxytocin dosing was excellent.

    In plain wordsIn women with chronic pelvic pain, people took nasal oxytocin as planned.

    Peptide
    Oxytocin
    Outcome
    Not applicableAdherence to dosing
    Study

    n: not reported in source

    Comparator
    Placebo
    Outcome group
    Treatment adherence and retention · Whole body
    Studied dose
    Dose not stated · intranasal · 2 weeksAs given in this study (human).

    Source sentences

    Summary
    Adherence to dosing was excellent
    2 context sentences
    Summary · context
    To investigate the effect of intranasal oxytocin on chronic pelvic pain in a randomized, double-blind, within-subject crossover trial.
    Summary · context
    Women with chronic pelvic pain were recruited from chronic pain and gynecology clinics between September 2017 and December 2018.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Registered trials1

Trials this study reports on, or that list this study as a reference. Registry data from ClinicalTrials.gov.

1 trial · 1 completed · source ClinicalTrials.gov (opens in a new tab)

CompletedPhase 2/3NCT02888574

Evaluating the Efficacy of Intranasal Oxytocin Among Individuals With Persistent Pain

University of Calgaryn = 24Nov 2016 to Dec 2018

Chronic Pain · Pelvic Pain

Trial pageClinicalTrials.govUpdated 18 May 2022

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, 00:50 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:48 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.