Efbemalenograstim Alfa Injection

What is this medication?

EFBEMALENOGRASTIM ALFA (ef BEM a LEN oh GRA stim AL fa) lowers the risk of infection in people who are receiving chemotherapy. It works by helping your body make more white blood cells, which protects your body from infection.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): RYZNEUTA

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

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

• History of blood diseases, such as sickle cell anemia
• Kidney disease
• An unusual or allergic reaction to efbemalenograstim alfa, pegfilgrastim, filgrastim, other medications, latex, rubber, foods, dyes, or preservatives
• Pregnant or trying to get pregnant
• Breastfeeding

How should I use this medication?

This medication is injected under the skin. 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.

What may interact with this medication?

Interactions have not been studied.

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 you are taking this medication.

Talk to your care team about your risk of cancer. You may be more at risk for certain types of cancer if you take this medication.

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
• Capillary leak syndrome—stomach or muscle pain, unusual weakness or fatigue, feeling faint or lightheaded, decrease in the amount of urine, swelling of the ankles, hands, or feet, trouble breathing
• High white blood cell level—fever, fatigue, trouble breathing, night sweats, change in vision, weight loss
• Inflammation of the aorta—fever, fatigue, back, chest, or stomach pain, severe headache
• Kidney injury (glomerulonephritis)—decrease in the amount of urine, red or dark brown urine, foamy or bubbly urine, swelling of the ankles, hands, or feet
• Low red blood cell level—unusual weakness or fatigue, dizziness, headache, trouble breathing
• Shortness of breath or trouble breathing
• Spleen injury—pain in upper left stomach or shoulder
• Unusual bruising or bleeding

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

• Bone pain
• Fatigue
• Nausea

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.

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.