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Studies pain and sex hormones in endometriosis and migraine

Compares pain sensitivity and hormone levels in people with endometriosis, migraine, or both.

Key facts

Who runs it
Washington University School of Medicine
Where
St Louis, United StatesSee the site
Trial code
Registry title
Endometriosis and Migraine
Status
Recruiting
People taking part
120 people, planned
Started
12 Feb 2025
Expected to end
1 Jan 2030
Type of study
Observational, 4 groups
Treatments tested
  • Thermal stimuli
  • Pressure stimuli
  • Pain ratings
  • Conditioned pain modulation (CPM) response
  • Hormonal assessment
Record updated
13 July 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for girls and women with migraine, endometriosis, or both, and healthy volunteers with no history of chronic pain.

Age
12 to 45 years
Sex
Female (assigned female sex at birth)
Disease stage
Diagnosed endometriosis, migraine, or both. Healthy volunteers must have no history of chronic pain.
Earlier treatment
Cannot currently use dopamine agonist or SSRI medications.

Main reasons for not taking part

  • Pregnancy or breastfeeding
  • Prolactinoma
  • Psychiatric, neurological, endocrinological or developmental conditions with medications for them
  • Current use of dopamine agonist or SSRI medications
  • Ages 12-17 without a parent or legal guardian willing to sign consent and answer surveys

The registry criteria, word for word

Show all 9 criteriaShow less

Who can take part

  • Patients with diagnosed endometriosis, migraine, or both endometriosis and migraine
  • Healthy control subjects with no history of chronic pain
  • Age 12-45
  • Assigned female sex at birth

Who cannot take part

  • Current use of dopamine agonist or SSRI medications
  • Presence of psychiatric, neurological, endocrinological and/or developmental conditions and taking medications for these conditions
  • For patients aged 12-17 not having a parent/legal guardian willing to sign the consent and answer surveys about their child's health
  • Pregnancy or breastfeeding
  • Presence of prolactinoma

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 12 and 45 years old?

Where in United States

  • Washington University School of MedicineSt Louis, United StatesContact: Alana McMichaelTaking people

About the trial

What the trial wants to find out

This study aims to determine differences in experimental pain and sex hormone levels between patients with migraine, patients with endometriosis, patients with migraine and endometriosis, and healthy controls. Participants will complete surveys, experimental pain paradigms and collection of samples for hormone analyses.

The 4 groups in the trial

  • migraine

    patients with migraine

    Treatment: Thermal stimuli, Pressure stimuli, Pain ratings, Conditioned pain modulation (CPM) response, and Hormonal assessment

  • Endometriosis

    patients with endometriosis

    Treatment: Thermal stimuli, Pressure stimuli, Pain ratings, Conditioned pain modulation (CPM) response, and Hormonal assessment

  • migraine and endometriosis

    patients with migraine and endometriosis

    Treatment: Thermal stimuli, Pressure stimuli, Pain ratings, Conditioned pain modulation (CPM) response, and Hormonal assessment

  • control

    healthy participants with no migraine or endometriosis

    Treatment: Thermal stimuli, Pressure stimuli, Pain ratings, Conditioned pain modulation (CPM) response, and Hormonal assessment

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Mechanisms Underlying Endometriosis and Migraine Comorbidity
Plain-language title
Studies pain and sex hormones in endometriosis and migraineGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 12 November 2026.
Fit questions
Built from NCT06785129, who can take part
Record updated
13 July 2026