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New clue in endometriosis: could a protein in blood and fluid help diagnose the disease?

NCT ID NCT07164196

Knowledge-focused Sponsor: Ankara City Hospital Bilkent Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study measured levels of a protein called ANGPTL4 in the blood and pelvic fluid of 80 women—some with endometriosis and some healthy. The goal was to see if this protein could be a better marker for the disease than the current CA-125 test. Researchers hope it might lead to a more accurate way to diagnose endometriosis without surgery.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If ANGPTL4 proves to be a reliable marker, it could lead to a new blood test to help diagnose endometriosis more accurately.
What could go wrong
This is a small, completed observational study, not a treatment trial. The findings may not be strong enough to change current diagnostic practices.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

80 people

The number who actually took part.

Started

Jun 2025

Finished

Sep 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Study population includes a total of 80 participants. The study group consists of 40 women with the diagnosis of endometriosis, and the control group consists of 40 healthy women.

Ages

18 to 44 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Diagnosis of endometriosis for study group who underwent laparoscopic endometriosis surgery * Healthy women for control group Exclusion Criteria: * Cardiovascular diseases including hypertension * Type 1 or type 2 diabetes mellitus * Morbid obesity * Primary adrenal insufficiency * Uterine fibroids * Thyroid dysfunctions including Hashimoto thyroiditis and Grave's disease * Hepatic dysfunctions * Renal insufficiency * Genetic disorders in chromosome constitution or karyotype analysis including monosomy X, trisomy X and gene mutations as BMP15, FMR I, POFIB, and GDF9 * Neurologic diseases * Psychiatric disorders * Autoimmune diseases or syndromes including Addison's disease, autoimmune syndromes, scleroderma, Sjogren's syndrome, myasthenia gravis, inflammatory bowel diseases, multiple sclerosis, rheumatoid arthritis, systemic lupus erythematosus and familial Mediterranean fever * History of any malignancy * History of exposure to chemotherapeutic agents or radiotherapy

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Conditions

The condition(s) this trial relates to.

endometriosis Inflammation Pelvic Pain

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Angiopoietin-like protein-4 Endometriosis Pelvic pain

Contacts and locations

Locations

  • Ankara Bilkent City Hospital

    Ankara, Not Valid, 06100, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.