What do systematic reviews say?

Galantamine vs placebo

Galantamine showed no clear difference in serious adverse events (excluding deaths) at 26 weeks compared with placebo (moderate certainty).

• Cholinesterase inhibitors for vascular dementia and other vascular cognitive impairments: a network meta‐analysis 2021 · Cochrane Headline outcomes only
  OR 1.12 [0.78, 1.59]
  1 study · 786 participants
  Moderate