Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

731 questions in 61 reviews · Drugs and Alcohol

current versions
No studies 57 · 7.8%Ungraded 39 · 5.3%Very low 186 · 25.4%Low 239 · 32.7%Moderate 171 · 23.4%High 39 · 5.3%

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.

QuestionEffectEvidenceStatus / GRADE
Pregabalin vs placebo
Benzodiazepine withdrawal symptoms, Physician Withdrawal Checklist (PWCL), end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 106 participantsVery low
Pregabalin vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Captodiame vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Captodiame vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Captodiame vs placebo
Benzodiazepine withdrawal symptoms, Benzodiazepine Withdrawal Symptom Questionnaire (BWSQ), end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 81 participantsVery low
Valproate vs placebo or no intervention
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.57 [0.8, 3.09]1 study · 24 participantsVery low
Captodiame vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs placebo or no intervention
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.45 [0.88, 2.39]3 studies · 221 participantsVery low
Paroxetine vs placebo or no intervention
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Paroxetine vs placebo or no intervention
Benzodiazepine withdrawal symptoms, BWSQ, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted2 studies · 99 participantsVery low
Paroxetine vs placebo or no intervention
Benzodiazepine withdrawal symptoms, BWSQ, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 54 participantsVery low
Tricyclic antidepressants vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.82 [0.52, 1.28]2 studies · 105 participantsVery low
Tricyclic antidepressants vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 2.2 [1.27, 3.82]1 study · 47 participantsLow
Tricyclic antidepressants vs placebo
Benzodiazepine withdrawal symptoms, Physician Withdrawal Checklist, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 38 participantsVery low
Tricyclic antidepressants vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Alpidem vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.41 [0.17, 0.99]1 study · 25 participantsLow
Valproate vs placebo or no intervention
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted2 studies · 56 participantsVery low
Alpidem vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Alpidem vs placebo
Withdrawal syndrome (clinical diagnosis), end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 4.86 [1.12, 21.14]1 study · 145 participantsLow
Alpidem vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Buspirone vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.82 [0.49, 1.37]4 studies · 143 participantsLow
Buspirone vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.6 [0.34, 1.05]1 study · 23 participantsLow
Buspirone vs placebo
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 17 participantsVery low
Buspirone vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Melatonin vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.2 [0.73, 1.96]4 studies · 219 participantsVery low
Melatonin vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.03 [0.47, 2.27]1 study · 38 participantsVery low
Melatonin vs placebo
Benzodiazpine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Valproate vs placebo or no intervention
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Melatonin vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Flumazenil vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Flumazenil vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Flumazenil vs placebo
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted3 studies · 58 participantsVery low
Flumazenil vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Progesterone vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.15 [0.52, 2.54]1 study · 35 participantsVery low
Progesterone vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Progesterone vs placebo
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Progesterone vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Magnesium aspartate vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.8 [0.66, 0.96]1 study · 144 participantsVery low
Carbamazepine vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.33 [0.99, 1.8]3 studies · 147 participantsLow
Magnesium aspartate vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Magnesium aspartate vs placebo
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Magnesium aspartate vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Homéogène 46/Sedatif PC (homeopathic drugs) vs placebo
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 0.79 [0.36, 1.7]1 study · 51 participantsVery low
Homéogène 46/Sedatif PC (homeopathic drugs) vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Homéogène 46/Sedatif PC (homeopathic drugs) vs placebo
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Homéogène 46/Sedatif PC (homeopathic drugs) vs placebo
Benzodiazepine withdrawal symptoms, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Carbamazepine vs tricyclic antidepressant
Benzodiazepine discontinuation, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1 [0.78, 1.29]1 study · 48 participantsLow
Carbamazepine vs tricyclic antidepressant
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Carbamazepine vs tricyclic antidepressant
Benzodiazepine withdrawal symptoms, end of intervention · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Carbamazepine vs placebo
Benzodiazepine discontinuation, longest · adults who withdraw from chronic benzodiazepine use
Pharmacological interventions for benzodiazepine discontinuation in chronic benzodiazepine users (2018) · Cochrane
RR 1.41 [0.86, 2.29]1 study · 40 participantsVery low