Could fewer infusions tame thyroid eye disease?
NCT ID NCT07308964
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares a shortened 4-infusion course of the drug Teprotumumab (Tepezza) against the standard 8-infusion course for people with active thyroid eye disease. Only patients who show a good early response will be eligible for the shorter regimen. The goal is to see if fewer infusions can be just as effective and safe, potentially saving time and reducing side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Teprotumumab (Tepezza)
- What this could lead to
- If successful, this could mean fewer infusions for patients who respond quickly, reducing treatment burden and side effects while maintaining effectiveness.
- What could go wrong
- This is a small Phase 4 study with only 40 participants, so results may not apply to all patients. The shorter course might not control the disease as well long-term, and risks like hearing problems or muscle spasms from teprotumumab remain.
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
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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May 2028
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- 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.
Show the full entry requirements Hide 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: * Participants must have a confirmed diagnosis of active Thyroid Eye Disease (TED). * Participants must be eligible for and have started the standard Teprotumumab (Tepezza) treatment protocol. * Participants must demonstrate a significant clinical response by the 4th infusion. * Ability to understand and provide signed written informed consent. Exclusion Criteria: * Previous use of Teprotumumab or other biologic therapies for TED. * Participants who do not show early clinical response after the 4th infusion. * Participants who have any medical contraindications to Teprotumumab or any of its components. * Participants who have any known hearing problems.
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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 official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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