Evaluation, validation and refinement of noninvasive diagnostic biomarkers for endometriosis (ENDOmarker): A protocol to phenotype bio-specimens for discovery and validation

for the NICHD Cooperative Reproductive Medicine Network

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Abstract

Objective: Endometriosis is a chronic, estrogen dependent condition that affects 5–10% of reproductive aged women and is associated with pelvic pain and infertility. As the approach to therapy shifts from surgical ablation to pharmacological control, a non-surgical mode of diagnosis would be desirable. The ENDOmarker study was designed by the NICHD Reproductive Medicine Network (RMN) to obtain well characterized and phenotyped bio specimens in a standardized fashion from women with and without endometriosis. Design: Development of a diagnostic test. Setting: Academic medical centers. Patients: This study will enroll up to 500 participants, and follow them for up to 5 months. Included subjects are aged 18–44, scheduled to undergo gynecologic surgery (laparoscopy/laparotomy) for clinical reasons. Interventions: Presence and stage of endometriosis (or its absence) is characterized by visual examination at the time of surgery. Subjects will undergo extensive clinical evaluation pre-operatively and at visits one and four months postoperatively. Endometrial biopsy, blood, urine and disease specific questionnaires will be collected at each visit. Main outcome: Samples will be placed in a bio-repository to be used to validate and optimize the clinical use of genomic classifiers of the endometrium alone or in combination with serum cytokines as a non-surgical composite marker of endometriosis. Conclusion: This protocol can serve as a reference for objective collection of high quality bio specimens for discovery or validation of potential nonsurgical diagnosis of presence or severity of disease.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalContemporary Clinical Trials
Volume68
DOIs
Publication statusPublished - May 2018

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Keywords

  • Biomarkers
  • Cytokines
  • Endometriosis
  • Micro RNA
  • Phenotyping

ASJC Scopus subject areas

  • Pharmacology (medical)

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