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Let’s Talk About Antibiotics: a randomised trial of two interventions to reduce antibiotic misuse

Abstract:
BACKGROUND: Children with acute respiratory tract infections (ARTIs) receive ≈11.4 million unnecessary antibiotic prescriptions annually. A noted contributor is inadequate parent-clinician communication, however, efforts to reduce overprescribing have only indirectly targeted communication or been impractical. OBJECTIVES: Compare two feasible (higher vs lower intensity) interventions for enhancing parent-clinician communication on the rate of inappropriate antibiotic prescribing. DESIGN: Multisite, parallel group, cluster randomised comparative effectiveness trial. Data collected between March 2017 and March 2019. SETTING: Academic and private practice outpatient clinics. PARTICIPANTS: Clinicians (n=41, 85% of eligible approached) and 1599 parent-child dyads (ages 1-5 years with ARTI symptoms, 71% of eligible approached). INTERVENTIONS: All clinicians received 20 min ARTI diagnosis and treatment education. Higher intensity clinicians received an additional 50 min communication skills training. All parents viewed a 90 second antibiotic education video. MAIN OUTCOMES AND MEASURES: Inappropriate antibiotic treatment was assessed via blinded medical record review by study clinicians and a priori defined as prescriptions for the wrong diagnosis or use of the wrong agent. Secondary outcomes were revisits, adverse drug reactions (both assessed 2 weeks after the visit) and parent ratings of provider communication, shared decision-making and visit satisfaction (assessed at end of the visit on Likert-type scales). RESULTS: Most clinicians completed the study (n=38, 93%), were doctors (n=25, 66%), female (n=30, 78%) and averaged 8 years in practice. All parent-child dyad provided data for the main outcome (n=855 (54%) male, n=1043 (53%) CONCLUSIONS AND RELEVANCE: Rate of inappropriate prescribing was low in both arms. Clinician education coupled with parent education may be sufficient to yield low inappropriate antibiotic prescribing rates. The absence of a significant difference between groups indicates that communication principles previously thought to drive inappropriate prescribing may need to be re-examined or may not have as much of an impact in practices where prescribing has improved in recent years. TRIAL REGISTRATION NUMBER: NCT03037112
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1136/bmjopen-2021-049258

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Author
ORCID:
0000-0002-8679-9911
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Role:
Author
ORCID:
0000-0003-1806-075X
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Role:
Author
ORCID:
0000-0002-1337-1105
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Role:
Author
ORCID:
0000-0002-6855-307X


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Funder identifier:
10.13039/100006093
Grant:
CDR-1507-31759


Publisher:
BMJ Publishing Group
Journal:
BMJ Open More from this journal
Volume:
12
Issue:
11
Pages:
e049258-e049258
Publication date:
2022-11-21
Acceptance date:
2022-11-08
DOI:
EISSN:
2044-6055
ISSN:
2044-6055


Language:
English
Keywords:
Pubs id:
1308102
Local pid:
pubs:1308102
Source identifiers:
W4309530294
Deposit date:
2026-04-30
ARK identifier:
This ORA record was generated from metadata provided by an external service. It has not been edited by the ORA Team.

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