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NCT07652593Not yet recruiting

Interaction Between Decidual Cells and NK Cells in Endometriosis

Interaction Between Decidual Cells and Natural Killer Cells in Endometriosis: A Prospective Pilot Case-Control Study

Source: ClinicalTrials.gov · Last updated 17 Jun 2026

Brief summary (registry, in English)

Endometriosis is a chronic gynecological disease characterized by the presence of endometrial-like tissue outside the uterus and is frequently associated with pelvic pain and infertility. Increasing evidence suggests that immune dysfunction may contribute to the development and persistence of the disease. The purpose of this prospective case-control study is to compare immune cell characteristics in women with deep endometriosis and women without endometriosis during the secretory phase of the menstrual cycle. Participants will undergo collection of clinical data, blood samples, endometrial samples, and vaginal microbiota samples. For participants undergoing clinically indicated pelvic surgery, additional biological samples may be collected during the procedure. The study aims to improve understanding of the immune mechanisms involved in endometriosis and to identify potential biomarkers associated with the disease.

Status (registry)
Not yet recruiting
Study type
Interventional
Enrollment
50 (estimated)
First submitted
11 Jun 2026
Start date
Jun 2026
Primary completion date
Oct 2027
Lead sponsor
Hopital Foch
NCT number
NCT07652593

What you commit to

  • Study type: Interventional
  • Planned participants: 50
  • From Jun 2026 to the primary completion date, Oct 2027
  • 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.

Prior treatment

  • Concomitant hormonal treatment.

Other illness

  • Current infection.
  • Active cancer.
  • Active autoimmune disease.

Other

  • Pregnancy.
  • Participant under guardianship or legal protection.
  • Participant deprived of liberty.

Who the study is looking for

  • Endometriosis Group
  • Female participant aged 18 years or older.
  • Confirmed diagnosis of deep endometriosis by imaging or surgery.
  • Pelvic pain and/or severe dysmenorrhea (Visual Analog Scale \> 4).
  • Premenopausal.
  • No contraceptive or hormonal treatment during the study menstrual cycle.
  • Affiliated with a health insurance system.
  • Able and willing to provide written informed consent.
  • Control Group
  • Female participant aged 18 years or older.
  • No diagnosis of endometriosis.
  • Premenopausal.
  • No contraceptive or hormonal treatment during the study menstrual cycle.
  • No chronic pelvic pain or severe dysmenorrhea (Visual Analog Scale \< 4).
  • Affiliated with a health insurance system.
  • Able and willing to provide written informed consent.

Age in the registry: 18 years to - · Sex: Female · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Hopital Foch
Coordinator of this site? Confirm its status
SuresnesFranceUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.