KYPROLIS contains the active ingredient carfilzomib, which is a proteasome inhibitor. This medication comes in a lyophilized powder form for injection, intended for intravenous use, and is available in dosages of 10 mg, 30 mg, and 60 mg per vial. Key inactive ingredients include sulfobutylether beta-cyclodextrin and citric acid.

How should I use this medication?

This medication is injected into a vein. It is given by your care team in a hospital or clinic setting.

Talk to your care team about the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

Keep appointments for follow-up doses. It is important not to miss your dose. Call your care team if you are unable to keep an appointment.

Where should I keep my medication?

This medication is given in a hospital or clinic. It will not be stored at home.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

• Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
• Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
• Blood clot—pain, swelling, or warmth in the leg, shortness of breath, chest pain
• Dizziness, loss of balance or coordination, confusion or trouble speaking
• Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
• Heart failure—shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue
• Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
• Increase in blood pressure
• Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
• Infusion reactions—chest pain, shortness of breath or trouble breathing, feeling faint or lightheaded
• Kidney injury—decrease in the amount of urine, swelling of the ankles, hands, or feet
• Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
• Lung injury—shortness of breath or trouble breathing, cough, spitting up blood, chest pain, fever
• Pulmonary hypertension—shortness of breath, chest pain, fast or irregular heartbeat, feeling faint or lightheaded, fatigue, swelling of the ankles or feet
• Stomach pain, bloody diarrhea, pale skin, unusual weakness or fatigue, decrease in the amount of urine, which may be signs of hemolytic uremic syndrome
• Sudden and severe headache, confusion, change in vision, seizures, which may be signs of posterior reversible encephalopathy syndrome (PRES)
• TTP—purple spots on the skin or inside the mouth, pale skin, yellowing skin or eyes, unusual weakness or fatigue, fever, fast or irregular heartbeat, confusion, change in vision, trouble speaking, trouble walking
• Tumor lysis syndrome (TLS)—nausea, vomiting, diarrhea, decrease in the amount of urine, dark urine, unusual weakness or fatigue, confusion, muscle pain or cramps, fast or irregular heartbeat, joint pain

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

• Diarrhea
• Fatigue
• Nausea
• Trouble sleeping

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

• Heart disease
• History of blood clots
• Irregular heartbeat
• Kidney disease
• Liver disease
• Lung or breathing disease
• An unusual or allergic reaction to carfilzomib, or other medications, foods, dyes, or preservatives
• If you or your partner are pregnant or trying to get pregnant
• Breastfeeding

What may interact with this medication?

Interactions are not expected.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Your condition will be monitored carefully while you are receiving this medication. You may need blood work while taking this medication.

Check with your care team if you have severe diarrhea, nausea, and vomiting, or if you sweat a lot. The loss of too much body fluid may make it dangerous for you to take this medication.

This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.

Talk to your care team if you may be pregnant. Serious birth defects can occur if you take this medication during pregnancy and for 6 months after the last dose. You will need a negative pregnancy test before starting this medication. Contraception is recommended while taking this medication and for 6 months after the last dose. Your care team can help you find an option that works for you.

If your partner can get pregnant, use a condom during sex while taking this medication and for 3 months after the last dose.

Do not breastfeed while taking this medication and for 2 weeks after the last dose.

This medication may cause infertility. Talk to your care team if you are concerned about your fertility.