Pegfilgrastim is a covalent conjugate of filgrastim and monomethoxypolyethylene glycol which binds to specific cell surface receptors of haematopoietic cells, thereby stimulating proliferation, differentiation, commitment, and end cell functional activation.
PEG-Filastin SC Injection
Cancer patients receiving Myelosuppressive Chemotherapy: The recommended dosage of Pegfilgrastim is a single subcutaneous injection of 6 mg administered once per chemotherapy cycle in adults. For pediatric patients weight less than 10 kg is 0.1 mg (0.01 ml)/kg, 10-20 kg is 0.15 ml, 21-30 kg is 0.25 ml & 31-44 kg is 0.4 ml. Do not administer Pegfilgrastim between 14 days before and 24 hours after administration of cytotoxic chemotherapy.
Hematopoietic Subsyndrome of Acute Radiation Syndrome: The recommended dose of Pegfilgrastim is two doses of 6 mg each, administer the first dose as soon as possible after suspected or confirmed exposure to radiation levels greater than 2 gray (Gy) & the second dose one week after the first dose. For dosing in pediatric patients weighing less than 45 kg, refer to Myelosuppressive Chemotherapy dosing system.