PloS one · 2026
Combining CRP testing and patient information leaflets to safely reduce antibiotic use for acute respiratory tract infections in adults: Protocol for the 2CARE randomised controlled trial in Kyrgyz primary care.
СтатьяРандомизированное исследованиеМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Akylbekov Azamat, Isaeva Elvira, Mademilov Maamed, Siersma Volkert, Risør Torsten, Arnold Sif Helene, Kjærgaard Jesper, Sreenivasan Nandini, Zaman Ahmad Wesal, Sooronbaev Talant, Aabenhus Rune Munck
Аннотация
BACKGROUND: Antimicrobial resistance (AMR) is a major health challenge in Kyrgyzstan, where acute respiratory tract infections (ARTIs) are common and frequently treated with antibiotics. Although C-reactive protein (CRP) point-of-care testing can support rational prescribing, there is no consensus on safe CRP thresholds for adults. Patient information leaflets (PILs) may further reduce inappropriate antibiotic use by improving understanding of ARTIs and addressing expectations for antibiotics. The 2CARE trial evaluates whether combining PILs with CRP testing can safely reduce antibiotic use among adults with ARTIs in Kyrgyz primary care.
METHODS: 2CARE is a multicentre, open-label, individually randomised controlled trial conducted in 15 primary healthcare centres in Kyrgyzstan. Adults aged 18-70 years with acute respiratory symptoms (<14 days) are randomised 1:1 to receive a PIL or no PIL, and independently 1:1:1 to one of three CRP cut-off levels (20, 40, or 60 mg/L), yielding six parallel groups. Primary outcomes are: (1) total antibiotic use within 21 days, and (2) hospital admission within 21 days. Secondary outcomes include baseline antibiotic prescribing, re-consultations, recovery, hospital referral, antiviral use, and mortality. Analyses will follow the intention-to-treat principle, with per-protocol analysis for non-inferiority, using regression models and generalized estimating equations. A total sample of 1,050 participants provides 90% power for both primary comparisons.
DISCUSSION: This trial will generate evidence on the effectiveness of PILs in reducing antibiotic use and establish safe CRP thresholds for adults with ARTIs in a low-resource setting. Findings will inform antimicrobial stewardship policies and guide national CRP implementation in Kyrgyzstan.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT07261969.
METHODS: 2CARE is a multicentre, open-label, individually randomised controlled trial conducted in 15 primary healthcare centres in Kyrgyzstan. Adults aged 18-70 years with acute respiratory symptoms (<14 days) are randomised 1:1 to receive a PIL or no PIL, and independently 1:1:1 to one of three CRP cut-off levels (20, 40, or 60 mg/L), yielding six parallel groups. Primary outcomes are: (1) total antibiotic use within 21 days, and (2) hospital admission within 21 days. Secondary outcomes include baseline antibiotic prescribing, re-consultations, recovery, hospital referral, antiviral use, and mortality. Analyses will follow the intention-to-treat principle, with per-protocol analysis for non-inferiority, using regression models and generalized estimating equations. A total sample of 1,050 participants provides 90% power for both primary comparisons.
DISCUSSION: This trial will generate evidence on the effectiveness of PILs in reducing antibiotic use and establish safe CRP thresholds for adults with ARTIs in a low-resource setting. Findings will inform antimicrobial stewardship policies and guide national CRP implementation in Kyrgyzstan.
TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT07261969.