Description and Brand Names

Drug information provided by: Merative, Micromedex®

US Brand Name

  1. Tepezza

Descriptions


Teprotumumab-trbw injection is used to treat thyroid eye disease regardless of the disease activity or duration.

This medicine is to be given only by or under the direct supervision of your doctor.

This product is available in the following dosage forms:

  • Powder for Solution

Before Using

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of teprotumumab-trbw injection in the pediatric population. Safety and efficacy have not been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of teprotumumab-trbw injection in the elderly.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Drug Interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Diabetes or
  • Hyperglycemia (high blood sugar) or
  • Inflammatory bowel disease—Use with caution. May make these conditions worse.

Proper Use

A nurse or other trained health professional will give you this medicine in a hospital. This medicine is given through a needle placed in one of your veins.

Precautions

Your doctor will check your progress closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it. Blood and urine tests may be needed to check for unwanted effects.

Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control during treatment and for 6 months after your final dose to keep from getting pregnant. If you think you have become pregnant, tell your doctor right away.

This medicine may cause a rare but serious type of an allergic reaction called an infusion reaction, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you start to have a headache, dizziness, fast heartbeat, muscle pain, trouble breathing, chest tightness, swelling in your face or hands, fever, chills, itching or hives while you are receiving this medicine.

This medicine may cause inflammatory bowel disease. Call your doctor right away if you have diarrhea that may contain blood, severe stomach pain, or bleeding from the rectum.

This medicine may cause hyperglycemia (high blood sugar). Check with your doctor right away if you have blurred vision, dry mouth, fatigue, flushed, dry skin, fruit-like breath odor, increased hunger, increased thirst, increased urination, nausea, sweating, trouble breathing, unexplained weight loss, or vomiting.

Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

  1. Blurred vision
  2. dry mouth
  3. flushed, dry skin
  4. fruit-like breath odor
  5. increased hunger
  6. increased thirst
  7. increased urination
  8. nausea
  9. stomach pain
  10. sweating
  11. trouble breathing
  12. unexplained weight loss
  13. unusual tiredness or weakness
  14. vomiting

Less common

  1. Fast, pounding, or irregular heartbeat or pulse
  2. feeling hot
  3. headache
  4. muscle pain

Incidence not known

  1. Bleeding from the rectum
  2. diarrhea that may contain blood
  3. severe stomach pain

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  1. Change or loss of hearing
  2. change or loss of taste
  3. dry skin
  4. hair loss or thinning of the hair
  5. mild diarrhea
  6. muscle spasms
  7. unusual tiredness or weakness

Incidence not known

  1. Bleeding, blistering, burning, coldness, discoloration of the skin, feeling of pressure, hives, infection, inflammation, itching, lumps, numbness, pain, rash, redness, scarring, soreness, stinging, swelling, tenderness, tingling, ulceration, or warmth at the injection site

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Portions of this document last updated: Feb. 01, 2024

Original article: https://www.mayoclinic.org/drugs-supplements/teprotumumab-trbw-intravenous-route/description/drg-20484141