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Glow-in-the-Dark probe could save parathyroid glands during thyroid surgery

NCT ID NCT06765941

Disease control Sponsor: Marcin Barczynski Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study tests whether a device called PTeye, which uses near-infrared light to make parathyroid glands glow, helps surgeons find and protect these tiny glands during thyroid surgery. The trial will compare outcomes in 154 patients who have their first total thyroidectomy, with half using PTeye and half relying on the surgeon's naked eyes. The goal is to see if PTeye reduces accidental removal of parathyroids and lowers the risk of postoperative hypoparathyroidism, a condition that can require lifelong calcium and vitamin D supplements.

What this could mean

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

Active substance
PTeye (probe-based near-infrared parathyroid autofluorescence detection system)
What this could lead to
If successful, this device could help surgeons better identify and preserve parathyroid glands during thyroid surgery, reducing the risk of permanent calcium and vitamin D dependency.
What could go wrong
This is a relatively small trial (154 participants) testing a device against standard practice. The benefit may be modest, and the device may not work for all patients or in all surgical settings.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 154 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

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.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * a patient with thyroid disease qualified for first-time total thyroidectomy. Exclusion Criteria: * history of thyroid or parathyroid surgery, * planned simultaneous thyroid and parathyroid surgery, * renal failure, * pregnancy, * lactation, * allergy to contrast agents and/or iodine, * inability of the patient to understand the study protocol, * inability to participate in the planned postoperative follow-up, * age below 18 years.

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Conditions

The condition(s) this trial relates to.

hypoparathyroidism parathyroid gland disorder thyroid gland disorder

As listed by the trial registrant

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

Hypoparathyroidism post-surgical Parathyroid dysfunction Thyroid surgery

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Department of Endocrine Surgery, Faculty of Medicine, Jagiellonian University Medical College

    RECRUITING

    Krakow, Małopolska, 31-501, Poland

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