NCT06101303Recruiting
Endometriosis Pain
The Mechanisms Underlying Endometriosis Pain
Source: ClinicalTrials.gov · Last updated 13 Jul 2026
Brief summary (registry, in English)
Aim 1. To determine the factors contributing to pain in patients with chronic pelvic pain with and without endometriosis Aim 2. To determine the changes following endometriosis lesion removal surgery in pain and sex hormone levels. Aim 3. To identify factors predicting clinical pain reduction after lesion removal surgery. Additional exploratory aims might compare subgroups of patients such as patients with vs. without endometriosis, with vs. without additional chronic pain syndromes, and with vs. without hormonal treatment. In addition, the role of lesion-specific immune signatures and psychological factors on pain will be explored. Patients with pelvic pain potentially due to endometriosis will complete questionnaires including social, health, behavioral, and psychological questionnaires. Patients will also complete a 2.5 hours study visit of psychophysical assessments of thermal and pressure stimuli. In addition, blood, urine, and saliva samples will be collected for hormonal, immune, and genetic analyses. Additional samples might be collected and stored for future analyses. For some participants, these procedures will be completed several times, including before the surgery as well as 3 months, 6 months and 1 year after surgery. After the surgery, surveys assessing pain and other symptoms will be sent every week on the first month and then monthly for 1 year. In addition, during the surgery, biopsies will be collected and analyzed to determine hormonal, immune and genetic factors. For adolescents, a parent/legal guardian will be asked to assist in completing some of the health-related surveys (i.e., physical developmental survey, health survey, migraine history survey).
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 120 (estimated)
- First submitted
- 2 Oct 2023
- Start date
- 29 Sept 2023
- Primary completion date
- 1 Sept 2028
- Lead sponsor
- Washington University School of Medicine
- Diseases
- Endometriosis
- NCT number
- NCT06101303
What you commit to
- Study type: Observational
- Planned participants: 120
- From 29 Sept 2023 to the primary completion date, 1 Sept 2028
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Age
- For patients aged 12-17 not having a parent/legal guardian willing to sign the consent and answer surveys about their child's health
Other
- Pregnancy
- Planned hysterectomy or oophorectomy
- Co-occurring vaginismus and/or vulvodynia
Who the study is looking for
- Patients with pelvic pain with and without endometriosis scheduled for an operative laparoscopic surgery for endometriosis diagnosis and/or treatment
- Age 12-45
- Females
Age in the registry: 12 years to 45 years · Sex: Female · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Washington University School of Medicine Coordinator of this site? Confirm its status | St Louis | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.