Clinical trial Recruiting at 2 sites Observational Ages 18 and up

Mapping tiny blood vessels inside thyroid nodules.

Official title: Microvascular Profiling of Nodules in the Thyroid Gland

Run by Copenhagen University Hospital, Rigshospitalet · NCT07041307 · Data updated 2026-11-12

This project tries a super-resolution ultrasound scan to see if mapping tiny blood vessels can help doctors tell different kinds of thyroid nodules apart in adults with nodules or referred for surgery.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment50 (estimated)
SponsorCopenhagen University Hospital, Rigshospitalet
Academic / other
Locations2 sites (Copenhagen and 1 other locations)
StatusRecruiting
StartedAugust 15, 2025
Main results expectedDecember 1, 2028
Study endsDecember 31, 2028
Registry record updatedNovember 28, 2025
Trial IDNCT07041307 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults over 18 with hypo-, iso-, or hyperfunctioning thyroid nodules or patients referred for thyroid surgery due to suspected malignant nodules (Bethesda III-VI), as well as healthy volunteers without thyroid disease.

Probably not a fit

Patients who cannot undergo ultrasound, are pregnant, or already have a clear diagnosis and treatment plan are unlikely to gain direct benefit from participation.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Investigators will use Super-Resolution Ultrasound of Erythrocytes (SURE) to visualize and map microvascular networks in the thyroid gland and individual nodules at much higher resolution than conventional ultrasound. The observational imaging program will include adults with hypo-, iso-, or hyperfunctioning nodules, patients referred for thyroid surgery due to suspected malignancy, and healthy volunteers for comparison. Images will be analyzed for vessel size, density, and flow patterns to identify microvascular signatures that might differ between benign and malignant nodules and among functional classes. No experimental treatments are given; imaging findings will be compared to clinical follow-up and surgical pathology when available.

Why it matters

Potential benefit: If successful, this technique could help doctors more accurately distinguish benign from malignant nodules and reduce unnecessary surgeries.

How similar studies have gone: Early pilot studies and preclinical work on super-resolution ultrasound show promise for visualizing tiny vessels, but clinical validation for distinguishing thyroid nodule types remains limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age over 18 years
* Written and verbal informed consent to participate in the study
* Patients with hypo-, iso-, or hyperfunctioning thyroid nodules
* Patients referred for thyroid surgery due to suspected malignant nodule (including Bethesda classification groups III, IV, V, and VI)
* Healthy volunteers - generally good health with no chronic illnesses

Exclusion Criteria:

* Pregnancy
* Inability to undergo the examination due to physical or mental limitations
* Desire to opt out of receiving information about new, significant health findings revealed during the study
* Healthy Participants:
* Thyroid disease, including nodules, as well as current or past conditions affecting the thyroid
* Medication that affects thyroid function

Where it's running

  • Rigshospitalet
    Copenhagen, Denmark
    Recruiting
  • Technical University of Denmark
    Lyngby, Denmark
    Recruiting

Study contacts

  • Principal investigator: Michael Bachmann Nielsen, Professor PhD dr.med. — Copenhagen University Hospital, Rigshospitalet
  • Study coordinator: Nathalie Sarup Panduro, MD
  • Email: nathalie04@gmail.com
  • Phone: +4529273193

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.