New study watches Real-World use of thyroid cancer drugs
NCT ID NCT05733013
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is gathering information from 100 adults with a type of thyroid cancer that no longer responds to standard radioactive iodine treatment. Doctors are using special medications called redifferentiating agents to try to make the cancer respond again. The goal is to track how well these drugs work and what side effects occur when they are used in regular medical practice, not just in a research setting.
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
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2023
- Expected to finish
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Feb 2028
An estimate. End dates often move.
- Lead sponsor
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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
All patients eligible to receive a redifferentiating agent in the adjuvant setting or in the treatment of structural metastatic disease not enrolled in a clinical trial will be approached for recruitment. All eligible patients will enroll in the study and will be followed indefinitely after enrollment.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients ≥ 18 years old at time of consent Inclusion Criteria: * Patients diagnosed with RAI refractory thyroid cancer or unlikely to respond to RAI. * Patients who will receive redifferentiation agents prior to planned diagnostic and/or therapeutic use of radioactive iodine as part of routine clinical care. * Patients who have never received redifferentiation agents outside of a clinical trial or have received redifferentiation agents in the context of a clinical trial will be enrolled after the clinical team has decided to proceed with a redifferentiation agent as part of routine clinical care prior to diagnostic and/or therapeutic radioactive iodine administration. * Patients previously treated with redifferentiation agents as part of clinical care prior to diagnostic and/or therapeutic radioactive iodine administration who are willing to provide retrospectively collected data surrounding the time of the previous treatment and will provide prospective data from the time of consent. Exclusion Criteria: * RAI refractory thyroid cancer patients that will receive redifferentiation agents prior to diagnostic and/or therapeutic use of radioactive iodine as part of a prospective clinical trial.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Mapping how thyroid tumors spread and what surgery leaves behind
- Can a video keep thyroid cancer patients on track after surgery?
- Can doctors safely watch small thyroid cancers instead of removing them?
- Can heat replace the scalpel for small thyroid tumors?
- Thyroid surgery under the microscope: what 3,000 real operations reveal