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Table 5 CSF and corresponding serum concentrations and CSF: serum ratios

From: Safety and tolerability of BAN2401 - a clinical study in Alzheimer’s disease with a protofibril selective Aβ antibody

 

BAN2401 levels 24 h after final dose

BAN2401 levels 10-14 days after final dose

Cohort (dose mg/kg)

CSF (ng/mL)

Serum (μg/mL)

CSF:serum Ratio

CSF (ng/mL)

Serum (μg/mL)

CSF:serum ratio

SAD6 (15)

96.3 (45.1)

265 (63.1)

0.04 % (0.03 %)

72.2, 624a

104 (31.3)

0.07 %, 0.81%a

MAD1 (0.3)

3.47 (2.1)

4.85 (1.3)

0.08 % (0.05 %)

CSF not collected

MAD2 (1)

8.89 (5.31)

17.6 (1.05)

0.04 % (0.03 %)

MAD3 (3)

25.0 (13.3)

44.1 (4.55)

0.06 % (0.04 %)

MAD4 (10)

263 (106)

211 (46.0)

0.13 % (0.03 %)

116 (109)

37.5 (21.8)

0.29 % (0.14 %)

  1. Values are expressed as mean and (SD)
  2. CSF cerebrospinal fluid, SAD single ascending dose, MAD multiple ascending dose
  3. aIndividual values are shown because n = 2