Medically reviewed on September 3, 2018
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Antineoplastic Agent
Pharmacologic Class: Proteasome Inhibitor
Uses For ixazomib
Ixazomib is used in combination with lenalidomide and dexamethasone to treat multiple myeloma (a type of bone marrow cancer) in patients who have received at least one prior treatment. It interferes with the growth of cancer cells, which are eventually destroyed by the body. Ixazomib is an antineoplastic agent (cancer medicine).
Ixazomib is available only with your doctor's prescription.
Before Using ixazomib
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 ixazomib, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to ixazomib 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.
Appropriate studies have not been performed on the relationship of age to the effects of ixazomib in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of ixazomib in the elderly.
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.
Interactions with Medicines
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 ixazomib, 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 ixazomib 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.
- St John's Wort
Interactions with Food/Tobacco/Alcohol
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 ixazomib. Make sure you tell your doctor if you have any other medical problems, especially:
- Heart disease or
- Peripheral neuropathy (nerve problem) or
- Thrombocytopenia (low count of platelets)—Use with caution. May make these conditions worse.
- Kidney disease, severe or
- Liver disease, moderate or severe—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
Proper Use of ixazomib
Medicines used to treat cancer are very strong and can have many side effects. Before receiving ixazomib, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.
Take ixazomib 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. To do so may increase the chance of side effects.
Ixazomib should come with a patient information leaflet. It is very important that you read and understand this information. Be sure to ask your doctor about anything you do not understand.
Ixazomib should be taken on the same day and at the same time, especially for the first 3 weeks. Take it at least 1 hour before or at least 2 hours after food.
Swallow the capsule whole. Do not open, crush, or chew it.
Be careful not to handle crushed or broken capsules. If you have contact with broken or crushed capsules, wash your skin with soap and water. If the medicine gets into your eyes, rinse them with water.
If you vomit after taking a dose, do not repeat the dose. Take your next dose at the regular schedule.
The dose of ixazomib 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 ixazomib. 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 (capsules):
- For multiple myeloma (in combination with lenalidomide and dexamethasone):
- Adults—At first, 4 milligrams (mg) once a week, taken on Days 1, 8, and 15 of a 28-day cycle. Your doctor may adjust your dose as needed.
- Children—Use and dose must be determined by your doctor.
- For multiple myeloma (in combination with lenalidomide and dexamethasone):
If you vomit after taking your medicine, call your doctor or pharmacist for instructions.
If you miss a dose or forget to use your medicine, take it if your next regular dose is more than 72 hours away. If your next dose is within 72 hours, wait until then to use the medicine and skip the missed dose.
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.
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep your medicine in the original package until you are ready to use it.
Precautions While Using ixazomib
It is very important that your doctor check you at regular visits while you are using ixazomib to make sure that the medicine is working properly. Blood tests may be needed to check for unwanted effects.
Using ixazomib while you are pregnant can harm your unborn baby. Use an effective form of birth control while you are using ixazomib and for 90 days after your final dose to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
This can lower the number of your platelets, which are necessary for proper blood clotting. Check with your doctor immediately if you notice any unusual bleeding or bruising, black, tarry stools, or pinpoint red spots on your skin while receiving ixazomib.
Cancer medicines can cause diarrhea, constipation, nausea, or vomiting in most people, sometimes even after receiving medicines to prevent it. Ask your doctor or nurse about other ways to control these side effects.
Check with your doctor right away if you are having burning, numbness, tingling, or painful sensations in the arms, hands, legs, or feet. These could be symptoms of a condition called peripheral neuropathy.
Ixazomib may cause fluid retention (edema) in some patients. Tell your doctor right away if you have bloating or swelling of face, arms, hands, lower legs, or feet, tingling of hands or feet, or unusual weight gain or loss.
If you develop a skin rash or redness or discoloration of the skin, check with your doctor as soon as possible.
Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.
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 (eg, St. John's wort) or vitamin supplements.
Ixazomib 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:
- Abdominal or stomach pain
- black, tarry stools
- bloating or swelling of the face, arms, hands, lower legs, or feet
- dark urine
- itching or rash
- light-colored stools
- loss of appetite
- lower back or side pain
- numbness, tingling, or pain in the hands or feet
- painful or difficult urination
- pale skin
- rapid weight gain
- rash with flat lesions or small raised lesions on the skin
- redness or discoloration of the skin
- sore throat
- tingling of the hands or feet
- ulcers, sores, or white spots in the mouth
- unpleasant breath odor
- unusual bleeding or bruising
- unusual tiredness or weakness
- unusual weight gain or loss
- vomiting of blood
- yellow eyes or skin
- Bleeding gums
- blood in the urine or stools
- Blistering, peeling, or loosening of the skin
- bloody nose
- heavier menstrual periods
- joint or muscle pain
- red skin lesions, often with a purple center
- red, irritated eyes
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:
- Back pain
- blurred vision
- body aches or pain
- burning, dry, or itching eyes
- difficulty having a bowel movement (stool)
- discharge, excessive tearing
- ear congestion
- loss of voice
- nasal congestion
- redness, pain, or swelling of the eye, eyelid, or inner lining of the eyelid
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.
See also: Side effects (in more detail)
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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More about ixazomib
- Ixazomib Side Effects
- During Pregnancy
- Dosage Information
- Drug Interactions
- En Español
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