Cochrane · systematic review · CD000031

Antidepressants for smoking cessation

Hajizadeh, A, Howes, S, Theodoulou, A, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

Tobacco Addiction3 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
9
current version
GRADE rated
9
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 5 · 55.6%Moderate 2 · 22.2%High 2 · 22.2%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Bupropion versus placebo/no pharmacological treatment for smoking cessation

Population: people who smoke
CD000031.PUB6 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months of
Bupropion vs placebo/no pharmacological treatment
RR 1.6 [1.49, 1.72]50 studies · 18577 participantsHigh
Serious adverse events
Bupropion vs placebo/no pharmacological treatment
RR 1.16 [0.9, 1.48]23 studies · 10958 participantsModerate
Downgraded: imprecision, publication bias
Dropouts due to treatment
Bupropion vs placebo/no pharmacological treatment
RR 1.44 [1.27, 1.65]25 studies · 12346 participantsHigh

Bupropion plus nicotine replacement therapy (NRT) versus NRT alone for smoking cessation

Population: people who smoke
CD000031.PUB6 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months of
Bupropion plus nicotine replacement therapy (NRT) vs NRT alone
RR 1.17 [0.95, 1.44]15 studies · 4117 participantsLow
Downgraded: imprecision, inconsistency
Serious adverse events
Bupropion plus nicotine replacement therapy (NRT) vs NRT alone
RR 1.52 [0.26, 8.89]4 studies · 657 participantsLow
Downgraded: imprecision
Dropouts due to treatment
Bupropion plus nicotine replacement therapy (NRT) vs NRT alone
RR 1.67 [0.95, 2.92]3 studies · 737 participantsLow
Downgraded: imprecision, inconsistency

Bupropion plus varenicline versus varenicline alone for smoking cessation

Population: people who smoke
CD000031.PUB6 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months of
Bupropion plus varenicline vs varenicline alone
RR 1.21 [0.95, 1.55]3 studies · 1057 participantsModerate
Downgraded: imprecision
Serious adverse events
Bupropion plus varenicline vs varenicline alone
RR 1.23 [0.63, 2.42]5 studies · 1268 participantsLow
Downgraded: imprecision
Dropouts due to treatment
Bupropion plus varenicline vs varenicline alone
RR 0.8 [0.45, 1.45]4 studies · 1230 participantsLow
Downgraded: imprecision

Bupropion compared to placebo/no pharmacotherapy control for smoking cessation

Population: people who smoke
CD000031.PUB5 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months
Bupropion vs placebo/no pharmacotherapy control
RR 1.64 [1.52, 1.77]46 studies · 17866 participantsHigh
Serious adverse events
Bupropion vs placebo/no pharmacotherapy control
RR 1.16 [0.9, 1.48]21 studies · 10625 participantsModerate
Downgraded: imprecision
Dropouts due to adverse events of the drug
Bupropion vs placebo/no pharmacotherapy control
RR 1.37 [1.21, 1.56]25 studies · 12340 participantsHigh

Bupropion plus NRT compared to NRT alone for smoking cessation

Population: people who smoke
CD000031.PUB5 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months
Bupropion plus NRT vs NRT alone
RR 1.19 [0.94, 1.51]12 studies · 3487 participantsLow
Downgraded: imprecision, inconsistency
Serious adverse events
Bupropion plus NRT vs NRT alone
RR 1.52 [0.26, 8.89]3 studies · 607 participantsVery low
Downgraded: risk of bias, imprecision
Dropouts due to adverse events of the drug
Bupropion plus NRT vs NRT alone
RR 1.67 [0.95, 2.92]2 studies · 538 participantsLow
Downgraded: imprecision

Bupropion plus varenicline compared to varenicline alone for smoking cessation

Population: people who smoke
CD000031.PUB5 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Smoking cessation (at least six months
Bupropion plus varenicline vs varenicline alone
RR 1.21 [0.95, 1.55]3 studies · 1057 participantsModerate
Downgraded: imprecision
Serious adverse events
Bupropion plus varenicline vs varenicline alone
RR 1.23 [0.63, 2.42]5 studies · 1268 participantsLow
Downgraded: imprecision
Dropouts due to adverse events of the drug
Bupropion plus varenicline vs varenicline alone
RR 0.8 [0.45, 1.45]4 studies · 1230 participantsLow
Downgraded: imprecision

Bupropion for smoking cessation

Population: people who smoke
CD000031.PUB4 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Bupropion versus placebo/control. Abstinence
RR 1.62 [1.49, 1.76]44 studies · 13728 participantsHigh
Bupropion and NRT versus NRT alone. Abstinence
RR 1.19 [0.94, 1.51]12 studies · 3487 participantsLow
Downgraded: risk of bias, imprecision, inconsistency, publication bias
Bupropion versus NRT. Abstinence
RR 0.96 [0.85, 1.09]8 studies · 4086 participantsModerate
Downgraded: risk of bias, imprecision

Nortriptyline for smoking cessation

Population: people who smoke
CD000031.PUB4 · 2 questions
OutcomeEffectEvidenceStatus / GRADE
Nortriptyline versus placebo. Abstinence
RR 2.03 [1.48, 2.78]6 studies · 975 participantsModerate
Downgraded: risk of bias
Nortriptyline and NRT versus NRT alone. Abstinence
RR 1.21 [0.94, 1.55]5 studies · 1644 participantsModerate
Downgraded: risk of bias