Actively Recruiting

Phase Not Applicable
Age: 18Years - 39Years
FEMALE
NCT07469007

Impact of Surgery for Deep Posterior Endometriosis on Ovarian Reserve (ENDORO)

Led by Ramsay Générale de Santé · Updated on 2026-03-13

100

Participants Needed

1

Research Sites

156 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Endometriosis is a chronic condition typically affecting women of reproductive age and often responsible for chronic pelvic pain and/or infertility. Its prevalence is estimated at 10% of the female population. Deep endometriosis is a specific phenotype of the disease, defined histologically by infiltration of the peritoneum exceeding 5 mm or by fibromuscular plaques infiltrating the muscularis propria of the abdominopelvic organs. It affects approximately 12 to 20% of patients with endometriosis. Surgery is one of the treatment options. Its aim is anatomical restoration, notably through complete macroscopic resection of the lesions and the release of adhesions, particularly those affecting the adnexa. While the negative impact of cystectomies on ovarian reserve is well known, the impact of surgery for severe deep endometriosis without ovarian involvement has never been studied. Yet, these procedures are regularly performed, and in the vast majority of cases on women of reproductive age. Moreover, the impression gathered in routine practice suggests a decrease in reserve parameters of around 5%. Therefore, understanding the actual impact of the procedure on ovarian reserve would, if it were concrete, allow for expanding the indications for preoperative fertility preservation to this subgroup of patients. The main objective is to evaluate the impact of complete macroscopic resection of severe deep posterior pelvic endometriosis on the change in AMH levels at 12 months compared to an unexposed group.

CONDITIONS

Official Title

Impact of Surgery for Deep Posterior Endometriosis on Ovarian Reserve (ENDORO)

Who Can Participate

Age: 18Years - 39Years
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Female, aged 18 to 39 years old
  • Suspected severe deep posterior pelvic endometriosis on pelvic MRI with matching clinical exam or confirmed during laparoscopy
  • Affiliated with or covered by a social security plan
  • Provided free, informed, and written consent
Not Eligible

You will not qualify if you...

  • Presence of ovarian involvement with at least one endometrioma larger than 5 mm
  • History of surgery for severe deep endometriosis
  • Severe premature ovarian insufficiency before surgery (AMH less than 1 ng/mL and antral follicle count less than 8)
  • Use of GnRH agonist therapy currently or within 3 months before enrollment
  • Body mass index over 35 kg/m²
  • Menopausal status
  • Participation in another trial with an exclusion period not yet expired
  • Under legal protection or deprived of liberty by judicial or administrative decision
  • Pregnant, breastfeeding, or postpartum woman

AI-Screening

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Trial Site Locations

Total: 1 location

1

Clinique la croix du sud

Quint-Fonsegrives, France, 31130

Actively Recruiting

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Research Team

J

Jean-François Oudet

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NON_RANDOMIZED

Model

PARALLEL

Primary Purpose

OTHER

Number of Arms

2

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Impact of Surgery for Deep Posterior Endometriosis on Ovarian Reserve (ENDORO) | DecenTrialz