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No knife needed? study tests watching tiny thyroid tumors

NCT ID NCT02609685

Knowledge-focused Sponsor: Cedars-Sinai Medical Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Updated 1 time

Summary

This study follows 216 people with very small papillary thyroid cancers (1.5 cm or smaller) to see what happens when they choose active surveillance—regular checkups instead of immediate surgery. The goal is to learn how often these cancers grow and whether observation is a safe alternative to standard treatment.

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 successful, this could show that active surveillance is a safe option for many patients with small thyroid cancers, reducing unnecessary surgeries.
What could go wrong
This is an observational study, not testing a new treatment. It may not change current practice, and some patients may still need surgery if the cancer grows.

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 216 people

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

Started

May 2016

Expected to finish

Dec 2030

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: * Pathologically confirmed Bethesda V or VI thyroid nodules with papillary thyroid carcinoma or high clinical suspicion, or pathologically confirmed Bethesda III or IV nodules with BRAF mutation. * 2.0 cm or smaller nodules by ultrasonographic criteria * Ability to understand and the willingness to sign a written informed consent and HIPAA Authorization form * Must be able to read and write English fluently to participate in the questionnaire portion of the study Exclusion Criteria: * High-grade or poorly differentiated PTC variants * Central or lateral neck lymphadenopathy suspicious for PTC * Unfavorable nodule location (e.g. Near dorsal surface (by recurrent laryngeal nerve); Adjacent to trachea (risk of cartilage invasion) * History of radiation to neck

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Conditions

The condition(s) this trial relates to.

papillary thyroid Microcarcinoma Thyroid Neoplasms

As listed by the trial registrant

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

Papillary thyroid microcarcinoma

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Cedars-Sinai Medical Center

    RECRUITING

    Los Angeles, California, 90048, United States

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