Description and Brand Names

Drug information provided by: Merative, Micromedex®

US Brand Name

  1. Rezdiffra

Descriptions


Resmetirom is used together with diet and exercise to treat non-alcoholic steatohepatitis with moderate to advanced liver scarring (fibrosis), but not with cirrhosis of the liver.

This medicine is available only with your doctor's prescription.

This product is available in the following dosage forms:

  • Tablet

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 resmetirom 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 resmetirom 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. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Atorvastatin
  • Clopidogrel
  • Cyclosporine
  • Darolutamide
  • Deferasirox
  • Eltrombopag
  • Enasidenib
  • Fostemsavir
  • Gemfibrozil
  • Grazoprevir
  • Letermovir
  • Paclitaxel
  • Paritaprevir
  • Pirtobrutinib
  • Pravastatin
  • Rifampin
  • Rosuvastatin
  • Selpercatinib
  • Simvastatin
  • Teriflunomide
  • Velpatasvir

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:

  • Gallbladder problems (eg, gallstones)—Use with caution. May make these conditions worse.
  • Liver disease (eg, decompensated cirrhosis), moderate to severe—Avoid use in patients with this condition.

Proper Use

Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.

This medicine comes with a patient information leaflet. Read and follow these instructions carefully. Ask your doctor if you have any questions.

You may take this medicine with or without food.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage form (tablet):
    • For non-alcoholic steatohepatitis:
      • Adults—Dose is base on weight and must be determined by your doctor.
        • Weighing 100 kilograms (kg) or more—100 milligrams (mg) once a day.
        • Weighing less than 100 kg—80 mg once a day.
      • Children—Use and dose must be determined by your doctor.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.

Precautions

It is very important that your doctor check your progress at regular visits to see if the medicine is working properly and to decide if you should continue to take it. Blood and urine tests may be needed to check for any unwanted effects.

Check with your doctor right away if you have dark urine, clay-colored stools, stomach pain, or yellow eyes or skin. These may be symptoms of a serious liver problem.

Check with your doctor right away if you have bloating, chills, constipation, dark urine, fast heartbeat, fever, gaseous stomach pain, indigestion, loss of appetite, pains in the stomach, side, or abdomen, possibly radiating to the back, recurrent fever, severe nausea or vomiting, stomach fullness, or yellow eyes or skin. These may be symptoms of gallbladder problems (eg, cholelithiasis, cholecystitis, obstructive pancreatitis).

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

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 immediately if any of the following side effects occur:

Less common

  1. Anxiety
  2. blurred vision
  3. chills
  4. cold sweats
  5. coma
  6. confusion
  7. cool, pale skin
  8. discouragement
  9. dizziness
  10. fainting
  11. fast, irregular, pounding, or racing heartbeat or pulse
  12. feeling sad or empty
  13. headache
  14. increased hunger
  15. irritability
  16. lack of appetite
  17. nausea
  18. nervousness
  19. nightmares
  20. seizures
  21. shakiness
  22. slurred speech
  23. tiredness
  24. trouble concentrating
  25. trouble sleeping
  26. unusual tiredness or weakness
  27. unusually heavy or unexpected menstrual bleeding
  28. vaginal bleeding or spotting

Incidence not known

  1. Bloating
  2. dark urine
  3. gaseous stomach pain
  4. indigestion
  5. loss of appetite
  6. pains in the stomach, side, or abdomen, possibly radiating to the back
  7. recurrent fever
  8. skin itching, rash, or redness
  9. stomach fullness
  10. stomach pain, severe
  11. swelling of the face, throat, or tongue
  12. trouble breathing or swallowing
  13. vomiting
  14. yellow eyes or skin

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. Diarrhea

Less common

  1. Change in taste
  2. constipation
  3. dizziness or lightheadedness
  4. excess air or gas in stomach or intestines
  5. feeling of constant movement of self or surroundings
  6. loss of taste
  7. passing gas
  8. sensation of spinning

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: June 01, 2024

Original article: https://www.mayoclinic.org/zh-hans/drugs-supplements/resmetirom-oral-route/description/drg-20566734