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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Ann Neurol. 2021 May 26;90(1):130–142. doi: 10.1002/ana.26102

TABLE 3.

Crossover Study AEs

Placebo, N = 34, n Varenicline, N = 34, n
Serious AEs 1 1
Participants with ≥1 serious AE 1 1
Nonserious AEsa 18 35
Participants with ≥1 nonserious AE 8 17
Nonserious AE severity
 Mild 15 29
 Moderate 3 6
Nonserious AE relatedness
 Related 4 16
 Unrelated 14 19
a

Eight nonserious AEs occurred during washout, 6 in the placebo then varenicline arm and 2 in the varenicline then placebo arm; AEs during washout are categorized to the treatment in period 1 in this table; 1 subject randomized to varenicline then placebo had an unknown date of onset and thus is not included in this table (but their nonserious AE is included in summaries in the text).

AE = adverse event.