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. 2018 Oct 2;35(11):226. doi: 10.1007/s11095-018-2491-5

Table III.

Comparison of Protein-Like Particles and Silicone Oil Droplet-Like Particle Concentrations (Particles/ml) in Some Filgrastim Products Measured by MFI

Trade name Size range [μm]
Protein-like particles [particles/ml] Silicone oil droplet-like particles [particles/ml]
≥1 ≥2 ≥5 ≥10 ≥25 ≥1 ≥2 ≥5 ≥10 ≥25
Neupogen 60,369 18,244 764 92 4 17,724 25,123 4945 363 11
Tevagrastim 27,439 4276 237 38 4 6932 3638 397 57 4
Biocilin 8021 546 23 8 0 2182 413 8 0 0
Neupogen A 9260 944 57 8 4 2797 1620 134 4 0
B 15,557 1972 164 69 0 6722 3183 88 11 0
E 19,440 1525 103 27 0 6168 2174 118 0 0
F 20,873 1204 99 11 8 6199 1380 88 19 4