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Darbepoetin Alfa

Prescription
Long-Acting Erythropoiesis-Stimulating Agent (ESA)
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
1

Mechanism of action

Hyperglycosylated analog of erythropoietin with longer half-life due to additional N-linked carbohydrate chains, allowing less frequent dosing. Stimulates erythroid progenitor proliferation and differentiation.

At a glance

Class
Long-Acting Erythropoiesis-Stimulating Agent (ESA)
Schedule
Prescription
Storage
Refrigerate 2–8°C; do not freeze or shake; protect from light

Dosing

🐕

Dog

Preferred over epoetin due to less frequent dosing and potentially lower immunog
Dose
0.45–1 mcg/kg
Route
SQ
Frequency
Weekly to monthly (based on PCV response)
🐈

Cat

Preferred ESA in cats — lower immunogenicity risk than epoetin alfa
Dose
0.45 mcg/kg
Route
SQ
Frequency
Weekly initially, then taper

Formulations

💊

Other — 1

Strength

Storage

Refrigerate 2–8°C; do not freeze or shake; protect from light

Safety

Monitoring parameters

PCV q2 weeks until stable, then monthlyBlood pressureIron statusReticulocyte count

Interactions

No documented interactions.

Brands

Other markets

Aranesp

FAQs

Frequently asked questions

What is Darbepoetin Alfa?
Darbepoetin Alfa is a long-acting erythropoiesis-stimulating agent (esa) used in pets. Hyperglycosylated analog of erythropoietin with longer half-life due to additional N-linked carbohydrate chains, allowing less frequent dosing. Stimulates erythroid progenitor proliferation and differentiation.
What is Darbepoetin Alfa used for in pets?
Darbepoetin Alfa is used in veterinary medicine for: Preferred over epoetin due to less frequent dosing and potentially lower immunog; Preferred ESA in cats — lower immunogenicity risk than epoetin alfa.
What is the Darbepoetin Alfa dose for dogs?
For dogs, Darbepoetin Alfa is typically dosed as follows — Preferred over epoetin due to less frequent dosing and potentially lower immunog: 0.45–1 mcg/kg SQ Weekly to monthly (based on PCV response). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Darbepoetin Alfa dose for cats?
For cats, Darbepoetin Alfa is typically dosed as follows — Preferred ESA in cats — lower immunogenicity risk than epoetin alfa: 0.45 mcg/kg SQ Weekly initially, then taper. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Darbepoetin Alfa need a prescription?
Yes. Darbepoetin Alfa is a prescription medication and should only be administered under veterinary supervision.

References

References

Textbooks & handbooks

  • Plumb, D.C. Plumb's Veterinary Drug Handbook. 10th ed., Wiley-Blackwell, 2023.
  • Vail, D.M., Thamm, D.H., & Liptak, J.M. (eds.). Withrow & MacEwen's Small Animal Clinical Oncology. 6th ed., Saunders/Elsevier, 2020.
  • Riviere, J.E., & Papich, M.G. (eds.). Veterinary Pharmacology and Therapeutics. 10th ed., Wiley-Blackwell, 2018.
  • National Research Council. Nutrient Requirements of Dogs and Cats. National Academies Press, Washington DC, 2006.
  • The Merck Veterinary Manual. Merck & Co., Online edition. https://www.merckvetmanual.com/

Clinical guidelines & consensus

  • Fletcher, D.J., Boller, M., Brainard, B.M., et al. "RECOVER Evidence and Knowledge Gap Analysis on Veterinary CPR." Journal of Veterinary Emergency and Critical Care, 2012;22(S1):S102–S131.
  • American Animal Hospital Association. 2018 AAHA Diabetes Management Guidelines for Dogs and Cats. AAHA Press.

Journals & peer-reviewed studies

  • Hogan, D.F., Fox, P.R., Jacob, K., et al. "Secondary prevention of cardiogenic arterial thromboembolism in the cat: The FAT CAT study." Journal of Veterinary Cardiology, 2015;17(Suppl 1):S306–S317.
  • Boswood, A., Häggström, J., Gordon, S.G., et al. "Effect of Pimobendan in Dogs with Preclinical Myxomatous Mitral Valve Disease and Cardiomegaly: The EPIC Study — A Randomized Clinical Trial." Journal of Veterinary Internal Medicine, 2016;30(6):1765–1779.
  • ASPCA Animal Poison Control Center. Toxicology and Poison Management Guidelines. American Society for the Prevention of Cruelty to Animals. https://www.aspca.org/pet-care/animal-poison-control

Regulatory & approvals

  • Central Drugs Standard Control Organisation (CDSCO), Government of India. Veterinary Drug Approval Registry, 1969–2026. Directorate General of Health Services. https://cdsco.gov.in/

Databases

  • Washington State University, College of Veterinary Medicine. Veterinary Clinical Pharmacology Laboratory (VCPL) — MDR1 Multidrug Sensitivity Database. https://vcpl.vetmed.wsu.edu/
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →