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Comparing tests for Group A Streptococcus bacteria in children with throat infections

Diagnosis and antibiotic treatment of GAS pharyngitis in children in a primary care setting

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN84562679
Enrollment
250
Registered
2018-10-16
Start date
2016-09-26
Completion date
Unknown
Last updated
2020-03-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pharyngitis due to group A Streptococcus infection Infections and Infestations

Interventions

A primary care site will be selected based on patient population (pediatric) and workflow. The site will execute the standard-of-care Strep A rapid antigen detection test (RADT) with bacterial culture

Sponsors

Roche Molecular Systems Inc
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 3–18 years 2. Clinical signs and symptoms of GAS pharyngitis, defined as the presence of sore throat and at least one other symptom (redness of the posterior pharyngeal wall, pharyngeal or tonsillar exudate, tonsillar swelling, tender cervical lymphadenopathy, and/or fever >100°F)

Exclusion criteria

Exclusion criteria: Treated with antibiotics currently or within the previous 7 days

Design outcomes

Primary

MeasureTime frame
Diagnostic test results will be recorded by the site staff at the time of testing for POC tests and weekly for laboratory-based tests. The overall sensitivity, specificity, and percentage agreement between the different testing methods and the respective 95% CIs (via Clopper–Pearson, exact) will be calculated by using the laboratory-based Quidel Solana GAS NAAT test as the reference method. All discordant results will be adjudicated with bidirectional sequencing.

Secondary

MeasureTime frame
1. Anti-infective prescriptions assessed using the patient's electronic medical record at time of first visit and after the bacterial culture result is available 2. Additional tests ordered, assessed using the patient's electronic medical record at time of first visit and after the bacterial culture result is available 3. Follow-up appointments scheduled, assessed using the patient's electronic medical record at time of first visit and after the bacterial culture result is available

Countries

United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026