Table 1 Search strategy for PubMed MEDLINE

#1

alzheimer disease [MeSH Terms]

#2

Dementia [MeSH Terms]

#3

(((alzheimer*[Title/Abstract]) OR (“alzheimer disease”[Title/Abstract])) OR (“alzheimer’s disease”[Title/Abstract])) OR (dement*[Title/Abstract])

#4

controlled clinical trials, randomized [MeSH Terms]

#5

(((((((randomized controlled trial) OR (controlled clinical trial)) OR (randomi?ed[Title/Abstract])) OR (placebo[Title/Abstract])) OR (Drug Therapy[MeSH Subheading])) OR (random*[Title/Abstract])) OR (trial[Title/Abstract])) OR (groups[Title/Abstract])

#6

Humans [MeSH Terms]

#7

((phase III[Title/Abstract]) OR (phase 3[Title/Abstract])) OR (phase III[Title/Abstract])

#8

#1 OR #2 OR #3

#9

#4 OR #5

#10

#9 AND #6

#11

#8 AND #7 AND #10