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Thyroid Eye Disease

What is

Thyroid Eye Disease?

Thyroid Eye Disease (TED) — also called Graves’ orbitopathy or Graves’ ophthalmopathy — is a rare autoimmune condition where the immune system mistakenly attacks the muscles, fat, and connective tissue around the eyes. This causes inflammation, swelling, and tissue remodeling in the eye socket (orbit), which can change the way the eyes look and function.

TED is most often associated with Graves’ disease, an autoimmune condition that also affects the thyroid gland, though TED can occur even in people whose thyroid levels are normal. It affects an estimated 16 out of 100,000 women and 3 out of 100,000 men each year, and while it can happen at any age, it’s most common between ages 30 and 50.
Thyroid eye disease TED treatment Houston TXEye Disease Treatment Houston TX

Symptoms of TED

TED symptoms can range from mild irritation to vision-threatening complications. Common signs include:
  • Proptosis (eye bulging) — the eyes appear to protrude or “pop” forward
  • Diplopia (double vision) — caused by swelling or scarring of the eye muscles
  • Dry, gritty, or irritated eyes
  • Redness and swelling around the eyes and eyelids
  • Eyelid retraction — eyelids pull back, creating a “staring” look
  • Light sensitivity
  • Pain or pressure behind the eyes, especially with eye movement
  • Difficulty closing the eyes fully
  • In severe cases, compression of the optic nerve, which can
    threaten vision

Active vs. Chronic TED

TED typically progresses through two phases:

  • Active (early) TED — an inflammatory phase, usually lasting 6 months to 2–3 years, when symptoms tend to be worsening or fluctuating.
  • Chronic (stable/burned-out) TED — inflammation has settled, but physical changes (like bulging or double vision) often remain and can be permanent without treatment.

This distinction matters for treatment planning, since not every therapy has historically been studied — or approved — for use in both phases.

How TED Is Diagnosed

Diagnosis usually involves a combination of:

  • Clinical eye exam by an ophthalmologist or oculoplastic specialist
  • Thyroid function blood tests (TSH, T3, T4) and thyroid antibody tests
  • Imaging (CT or MRI of the orbits) to assess muscle and tissue involvement
  • Measurement of proptosis and eye movement

Treatment Options for

Thyroid Eye Disease

Historically, TED management included corticosteroids (to reduce inflammation), orbital radiation, and surgery (orbital decompression, eye muscle surgery, or eyelid surgery) for structural changes. In recent years, targeted biologic drugs have become available that address the underlying disease process rather than just symptoms.

Two FDA-approved options are outlined below.

Tepezza (teprotumumab-trbw)

Manufacturer: Amgen (originally Horizon Therapeutics)
Type: IGF-1R (insulin-like growth factor-1 receptor) inhibitor antibody
FDA approval: 2020 for active TED; label expanded in 2023 to include chronic TED

How it works: Tepezza blocks IGF-1R, a receptor believed to drive the inflammation and tissue expansion behind TED symptoms.

How it’s given: IV infusion — 8 total infusions, administered once every 3 weeks (about 21 weeks of treatment).

What it’s shown to help with: Reduction in proptosis (eye bulging) and improvement in diplopia (double vision).

Common side effects:

  • Muscle spasms
  • Nausea
  • Hair loss
  • Diarrhea
  • Fatigue
  • Hyperglycemia (high blood sugar), including in people without diabetes
  • Hearing impairment or tinnitus (in some cases, permanent)
  • Infusion reactions

Other considerations: Not recommended during pregnancy; hearing should be monitored before and during treatment. Tepezza can worsen inflammatory bowel disease (Crohn’s disease or ulcerative colitis) symptoms, even in patients without a prior IBD diagnosis, so IBD history should be discussed with a prescribing physician.

Lumvoa (veligrotug-vvze)

Manufacturer: Viridian Therapeutics
Type: Full IGF-1R antagonist monoclonal antibody
FDA approval: June 2026, under Priority Review, following Breakthrough Therapy Designation

How it works: Like Tepezza, Lumvoa blocks IGF-1R signaling, which is believed to reduce orbital inflammation and the tissue changes seen in TED.

How it’s given: IV infusion — 5 total infusions, administered once every 3 weeks (about 12 weeks of treatment). The first infusion takes about 45 minutes; later ones take about 30 minutes. Infusions can be done in a medical office or through a home infusion provider.

What makes it notable: Lumvoa is the first TED treatment approved with labeling that includes data for both active and chronic disease, based on two large phase 3 trials (THRIVE and THRIVE-2). It also showed strong results for complete resolution of diplopia.

Common side effects:

  • Muscle cramps or spasms
  • Headache
  • Hearing problems
  • High blood sugar
  • Fatigue
  • Diarrhea
  • Ear discomfort
  • Infusion reactions
  • Nausea
  • Cold-like symptoms
  • Elevated creatine phosphokinase (a blood enzyme)
  • Dry skin
  • High blood pressure

Tepezza vs. Lumvoa:

Quick Comparison

  Tepezza Lumvoa
Generic name teprotumumab-trbw veligrotug-vvze
FDA approval 2020 (active); 2023 (chronic added) 2026 (active and chronic, from initial approval)
Mechanism IGF-1R inhibitor Full IGF-1R antagonist
Number of infusions 8 5
Treatment duration ~21 weeks ~12 weeks
Approved for chronic TED Yes (since 2023) Yes (from approval)

Note: There are no published head-to-head clinical trials directly comparing Tepezza and Lumvoa, so this comparison reflects each drug’s individual trial data and approved labeling, not a controlled comparison between them.

Frequently Asked

QUESTIONS

No. Graves’ disease is an autoimmune condition affecting the thyroid gland. TED is a related but separate autoimmune condition affecting the eyes, and it can occur in people with or without active thyroid dysfunction.

Mild cases may improve as the active inflammatory phase resolves. However, physical changes like bulging eyes or double vision often don’t fully reverse without treatment.

No. Both are treatments that target the underlying disease activity and have been shown to reduce specific symptoms like proptosis and diplopia, but neither is described as a cure.

Candidacy depends on disease severity, activity, duration, and individual health history. This is a decision made with an ophthalmologist, oculoplastic surgeon, or endocrinologist.

Yes — both carry risks including hearing problems and elevated blood sugar, among other side effects. A full risk discussion with a prescribing physician is essential before starting treatment.

This page is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider regarding any medical condition or treatment options. Drug information, dosing, and safety data should be verified against current FDA prescribing information before publication, as labeling can change.

Ready to Take the Next Step?

If you’re experiencing symptoms of Thyroid Eye Disease (TED), our team is here to help. Call us today to schedule a TED consultation and learn more about available treatment options, including Tepezza and Lumvoa infusions.

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