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. 2023 Oct 13;23(4):421–438. doi: 10.1007/s40268-023-00441-7

Table 2.

Summary of select physicochemical attribute results from the analytical similarity assessment of ABP 654 and ustekinumab (US and EU)

Analytical testing/attributes ABP 654 [range (n)] Ustekinumab US [range (n)] Ustekinumab EU [range (n)]
Glycan map (%)a

 High mannose

 Sialylation

 Afucosylation

 β-Galactosylation

 α-Galactosylation

2.0–3.7 (22)

22.3–29.5 (22)

1.2–2.2 (22)

54.1–58.8 (22)

NA

0.7–1.8 (27)

8.5–24.8 (27)

3.7–4.8 (27)

19.2–56.5 (27)

0.4–4.9 (27)

0.7–1.2 (40)

16.7–26.4 (40)

3.2–5.1 (40)

47.9–54.1 (40)

1.3–4.9 (40)

FTIR/spectral similarity (%)b

 US RP as standard

 EU RP as standard

98.47–99.96 (6)

99.18–99.94 (6)

98.69–100.00 (6)

98.59–99.96 (6)

98.59–99.96 (6)

99.20–100.00 (6)

Near UV-CD/spectral similarity (%)b

 US RP as standard

 EU RP as standard

97.21–98.52 (6)

97.00–98.84 (6)

97.19–100.00 (6)

96.96–98.53 (6)

96.94–98.53 (6)

95.95–100.00 (6)

DSC (°C)b

 Tm1

 Tm2

75.1–75.2 (6)

84.5–84.6 (6)

75.1–75.2 (6)

84.3–84.4 (6)

75.1–75.2 (6)

84.4–84.5 (6)

Size variants by SE-UHPLC (%)b,c
 HMW 0.5–0.8 (22) 0.3–0.5 (22) 0.3–0.4 (33)
Size variants by rCE-SDSb

 Heavy chain + light chainc

 Fragmentsc

 Non-glycosylated heavy chain

97.8–98.8 (22)

0.4–0.9 (22)

0.4–0.5 (22)

98.6–99.3 (22)

0.2–0.7 (22)

0.2–0.3 (22)

98.3–99.3 (33)

0.2–0.7 (33)

0.2–0.3 (33)

Size variants by nrCE-SDSb,c

 Main peak

 Pre-peaks

96.4–97.8 (22)

2.0–3.4 (22)

98.3–99.0 (22)

1.0–1.6 (22)

98.0–98.8 (33)

1.2–1.7 (33)

Charge variants by CEX-HPLCb

 Acidic peaks

 Main peak

 Basic peaks

46.3–56.4 (22)

41.2–47.2 (22)

2.3–6.5 (22)

14.8–27.5 (22)

30.1–47.6 (22)

34.3–46.3 (22)

23.0–27.0 (33)

28.7–42.0 (33)

34.1–46.3 (33)

AUC-SV monomer (%)b 98.1–99.4 (6) 98.5–99.6 (6) 98.8–99.5 (6)
SE-HPLC–LS MW (kDa)b

 Monomer

 HMW

144–147 (6)

282–312 (6)

144–147 (6)

286–312 (6)

144–147 (6)

282–340 (6)

AUC-SV analytical ultracentrifugation sedimentation velocity, CEX-HPLC cation exchange high-performance liquid chromatography, DSC differential scanning calorimetry, FTIR Fourier-transform infrared spectroscopy, HMW high molecular weight, MW molecular weight, n number of lots tested, NA not available, nrCE-SDS non-reduced capillary electrophoresis—sodium dodecyl sulfate, PFS prefilled syringe, Tm thermal transition temperature, rCE-SDS reduced capillary electrophoresis—sodium dodecyl sulfate, RP reference product, SE-UHPLC size-exclusion ultra-high-performance liquid chromatography, SE-HPLC–LS size exclusion high-performance liquid chromatography with light scattering, ustekinumab (EU) European Union-authorized ustekinumab, UV-CD ultraviolet circular dichroism, ustekinumab (US) United States Food and Drug Administration-licensed ustekinumab

a130 mg vial results included with PFS and 45 mg vial ustekinumab results

bPFS, 45 mg vial, and/or drug substance

cAge-adjusted