Pegfilgrastim
Udenyca is a brand-name medication that contains the active ingredient pegfilgrastim, a long-acting form of granulocyte colony-stimulating factor (G-CSF). It is used to reduce the risk of infection in patients undergoing chemotherapy by helping the body produce more white blood cells.
Udenyca is a G-CSF medication that helps prevent infections in chemotherapy patients by stimulating white blood cell production.
Key facts at a glance
- RxNorm
- 2102695
- Generic
- Udenyca
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Reduces the incidence of febrile neutropenia (fever with low white blood cell count) in patients with non-myeloid malignancies receiving myelosuppressive anti-cancer medications.
Acts as a granulocyte colony-stimulating factor (G-CSF) that stimulates the bone marrow to produce and release neutrophils, a type of white blood cell important for fighting infections.
Typically administered as a single subcutaneous injection once per chemotherapy cycle. Patients should be monitored for potential side effects including bone pain, splenic rupture, and rare but serious allergic reactions. Not indicated for patients with known hypersensitivity to pegfilgrastim or filgrastim.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy