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Table 1 Baseline characteristics (randomized population)

From: Amyloid positron emission tomography and cerebrospinal fluid results from a crenezumab anti-amyloid-beta antibody double-blind, placebo-controlled, randomized phase II study in mild-to-moderate Alzheimer’s disease (BLAZE)

 

Low-dose SC cohort (n = 39)

High-dose IV cohort (n = 52)

Placebo (n = 13)

Crenezumab (n = 26)

Placebo (n = 17)

Crenezumab (n = 35)

Age (years), mean (SD)

68.9 (8.3)

66.7 (9.5)

69.8 (7.7)

71.4 (7.1)

Sex, female (%)

61.5

53.8

35.3

68.6

MMSE score, mean (SD)

22.3 (2.4)

21.5 (2.4)

20.5 (2.2)

20.8 (2.3)

MMSE 20–26 (mild), %

92.3

73.1

58.8

60.0

APOEε4 carriers, %

92.3

84.6

70.6

68.6

ADAS-Cog12 score, mean (SD)

28.9 (7.4)

29.4 (9.7)

34.5 (11.1)

31.2 (9.9)

CDR-SB score, mean (SD)

4.3 (1.5)

4.2 (2.1)

5.9 (1.9)

4.9 (2.0)

ADCS-ADL score, mean (SD)

66.8 (6.8)

65.4 (9.5)

64.5 (8.2)

66.8 (7.4)

SUVR (cerebellar gray reference)

1.9 (0.3)

1.8 (0.3)

1.8 (0.3)

1.7 (0.3)

AChEI and/or memantine use, %

92.3

84.6

82.4

91.4

  1. AChEI acetylcholinesterase inhibitors, ADAS-Cog12 12-point Alzheimer’s Disease Assessment Scale cognitive subscale, ADCS-ADL Alzheimer’s Disease Cooperative Study Activities of Daily Living, ApoE apolipoprotein E, CDR-SB Clinical Dementia Rating Sum of Boxes, IV intravenous, mITT modified intent-to-treat population, MMSE Mini-Mental State Examination, SC subcutaneous, SD standard deviation, SUVR standard uptake value ratio