Evidence map›Paper›PMID 28716996›Full record

ArticleThe British journal of general practice : the journal of the Royal College of General Practitioners2017

Long-term benzodiazepine and Z-drugs use in England: a survey of general practice [corrected].

James Davies, Todd C Rae, Luke Montagu

Erratum issuedAbstract read
In one paragraph

Article in The British journal of general practice : the journal of the Royal College of General Practitioners, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 48 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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  13. Effect of graduated drug therapy for moderate-to-severe chronic insomnia on the severity of disease: an observational study in Germany.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2025
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  17. Mixture ofNutrients · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors.

James DaviesDepartment of Life Sciences, University of Roehampton, Roehampton; All-Party Parliamentary Group for Prescribed Drug Dependence, Westminster, London.
Todd C RaeDepartment of Life Sciences, University of Roehampton, Roehampton, London.
Luke MontaguAll Party Parliamentary Group for Prescribed Drug Dependence, Westminster, London.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCurrent British National Formulary (BNF) guidelines state that benzodiazepines and zolpidem, zopiclone, and zaleplon, commonly known as Z-drugs (BZD), be prescribed for no more than 4 weeks, although anecdotal data suggest that many patients are prescribed BZDs for much longer. As there are no recent, evidence-based estimates of long-term (>12 months) BZD use in the UK, the scale of this potential problem is unknown.

aimTo produce the first reliable, evidence-based estimate of long-term BZD use in the UK. DESIGN AND

settingEstimates of UK long-term BZD use were projected from data obtained from a survey conducted in 2014-2015 by the Bridge Project, a prescribed-drug withdrawal support charity in the North of England (Bradford).

methodPercentages of long-term users of BZD were derived from the survey, by sampling primary care GP surgeries with around 100 000 registered patients, and these were applied to UK-wide NHS patient numbers. The data were filtered to exclude the very young and old, and those with other health issues.

resultsThe mean percentage of registered patients prescribed BZDs for more than a year in the survey sample is 0.69% (95% confidence interval [CI] = 0.54 to 0.84). Applying this value to national patient numbers yields a mean projection of 296 929 (95% CI = 232 553 to 361 305) long-term users of BZD in the UK. The data also suggest that as many as 119 165 of these patients may be willing to accept prescribed drug dependency withdrawal services.

conclusionMore than a quarter of a million people in the UK are likely to be taking highly dependency-forming hypnotic medication far beyond the recommended time scales. As there is evidence that long-term use of BZDs causes adverse physiological and neurological effects, and protracted withdrawal (with associated complications), this represents a serious public health problem.

Indexed as

BenzodiazepinesHypnotics and SedativesInappropriate PrescribingSleep Initiation and Maintenance DisordersAdultAgedFamily PracticeFemaleHealth Care SurveysHumansLong Term Adverse EffectsMaleMedical OveruseMiddle AgedNeeds AssessmentPublic HealthBenzodiazepinesHypnotics and Sedativesbenzodiazepinesdrug dependencehypnotics and sedativeswithdrawalZ-drugs

Identifiers

PMID28716996
PMCPMC5569740

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.