Varenicline vs placebo or no medication
Varenicline probably leads to higher SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (moderate certainty).
- RR 1.23 [1.01, 1.48]26 studies · 14356 participantsModerate
Varenicline probably leads to higher SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (moderate certainty).
Varenicline showed no clear difference in cardiac SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (low certainty).
Varenicline showed no clear difference in neuropsychiatric SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (low certainty).
The intervention showed no clear difference in varenicline (low certainty).
The intervention leads to higher varenicline (high certainty).
The intervention showed no clear difference in cessation: Varenicline vs placebo (low certainty).
The intervention probably leads to higher varenicline versus placebo Smoking cessation (moderate certainty).
Reduction and pharmacotherapy probably leads to higher subgroup: varenicline only; smoking cessation (≥ 6 month compared with reduction alone (moderate certainty).
The intervention showed no clear difference in varenicline plus behavioral intervention vs placebo plus behavioral… (low certainty).