Assessing biomarkers to improve diagnosis and management of ectopic pregnancy

The Assessment of Biomarkers in Ectopic Pregnancy

Observational Imperial College London · NCT04176549

This study is testing new biomarkers to see if they can help doctors better diagnose and manage ectopic pregnancies in women who have early pregnancy concerns.

Quick facts

Study typeObservational
Enrollment200 (estimated)
Ages18 Years to 50 Years
SexFemale
SponsorImperial College London Academic / other
Locations1 site (London)
Trial IDNCT04176549 on ClinicalTrials.gov

What this trial studies

This study aims to enhance the patient care pathway for women experiencing ectopic pregnancy or pregnancy of unknown location by incorporating a statistical model that utilizes novel biomarkers. The goal is to improve diagnostic accuracy and management strategies in routine clinical practice. The study will recruit 200 patients attending the Early Pregnancy Unit, focusing on those with specific ultrasound findings. Participants will provide informed consent, and their data will be used to identify effective biomarkers that could replace or supplement existing diagnostic markers.

Who should consider this trial

Good fit: Ideal candidates are women aged 18-50 who are attending the Early Pregnancy Unit with a pregnancy of unknown location or an ectopic pregnancy.

Not a fit: Patients with cancer, acute medical conditions, or those under 18 years old will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more accurate diagnoses and better management of ectopic pregnancies, ultimately improving patient outcomes.

How similar studies have performed: Other studies have shown promise in using biomarkers for diagnosing ectopic pregnancies, but this specific approach is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients attending the Early Pregnancy Unit (EPU) in the first trimester (up to 14 weeks gestation) with a PUL or ectopic pregnancy on trans-vaginal ultrasound scan between the ages of 18 and 50 years.
* Patients attending the gynaecology unit for a surgical termination of pregnancy or for a salpingo-oophorectomy.

Exclusion Criteria:

* Patients diagnosed with cancer, presence of an acute medical condition, patients aged less than 18 years, patients who cannot give fully informed study consent (language or learning impairment), presence of a viable intrauterine pregnancy and presence of miscarriage.
* Exclusion to fallopian tube samples - presence of any ectopic pregnancy that does not require operative salpingectomy.
* Exclusion to peritoneal washings - presence of any ectopic pregnancy that does not require access to the peritoneal cavity as part of management.
* Exclusion to trophoblast tissue sampling - presence of an ectopic pregnancy that does not require surgical removal.

Where this trial is running

London

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ectopic PregnancyBiomarker
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.