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Thyroid study aims to spare patients from unnecessary surgery and lifelong pills

NCT ID NCT07370675

Disease control Sponsor: Christian Grønhøj Larsen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study is for people with small thyroid nodules (under 2 cm) that might be cancerous. Instead of immediate surgery, which can lead to lifelong thyroid medication and other side effects, researchers want to see if regular check-ups and ultrasounds are a safe option. They will follow 165 adults for up to 5 years to see how many need surgery later or have the nodule grow.

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 165 people

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

Started

Jan 2026

Expected to finish

Jan 2033

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

30 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: * age of 30 years or older AND * a single nodule with a Follicular neoplasm or suspicious for a follicular neoplasm (category IV in the Bethesda system) AND * tumor size of less than 2 cm in all dimensions AND * EU-TIRADS 3 or 4 in Ultrasound imaging examination. Exclusion Criteria: * EU-TIRADS 5 in Ultrasound imaging examination. * suspicion of disseminated disease because of PET-positive lymph nodes; suspect lymph-nodes by US or by CT-scan; or signs of capsular invasion of the tumor, or irregular shape or margins, extrathyroidal growth OR * tumor placement at a high-risk location (in the thyroid capsule with extracapsular extension toward vessels, RLN, or the trachea) OR * previous thyroid surgery OR * concomitant hyperparathyroidism (ionized calcium \> 1.32 mmol/L and PTH \> 6 pmol/L) OR * if the patient is pregnant OR * If the patient is unable to give informed consent. OR * If calcitonin is elevated above normal level

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Conditions

The condition(s) this trial relates to.

nodular goiter thyroid cancer Thyroid Neoplasms Thyroid Nodule

As listed by the trial registrant

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

Thyroid cancer Thyroid nodule

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 Otolaryngology, Head and Neck SurgeryRigshospitalet

    RECRUITING

    Copenhagen, 2100, Denmark

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