Evaluating the prevalence of pneumonia-causing bacteria using a urine test

Prospective Study to Evaluate Streptococcus Pneumoniae Serotypes Prevalence in Community Acquired Pneumonia in Hong Kong Using a Urinary Kit

Observational Chinese University of Hong Kong · NCT04647630

This study is testing a urine test to see how common pneumonia-causing bacteria are in hospitalized patients with community-acquired pneumonia.

Quick facts

Study typeObservational
Enrollment1800 (estimated)
Ages18 Years and up
SexAll
SponsorChinese University of Hong Kong Academic / other
Locations1 site (Shatin)
Trial IDNCT04647630 on ClinicalTrials.gov

What this trial studies

This observational study aims to assess the prevalence and serotypes of Streptococcus pneumoniae in hospitalized patients diagnosed with community-acquired pneumonia (CAP). Patients admitted with symptoms suggestive of pneumonia will be screened, and those who consent will provide a urine sample for analysis. The urine will be tested for pneumococcal pneumoniae using a urinary antigen assay, with serotyping performed simultaneously. The clinical management of patients will continue as usual, with study personnel only collecting urine samples and not interfering with treatment.

Who should consider this trial

Good fit: Ideal candidates are hospitalized patients showing signs and symptoms of community-acquired pneumonia.

Not a fit: Patients with pneumonia caused by pathogens other than Streptococcus pneumoniae or those with nosocomial pneumonia will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the understanding of pneumonia-causing bacteria, leading to better-targeted treatments for patients.

How similar studies have performed: Similar studies have shown success in identifying bacterial serotypes using urinary antigen assays, indicating a promising approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Admitted with signs and symptoms suggestive of pneumonia

Exclusion Criteria:

* 1\. Nosocomial pneumonia which is acquired \>= 48 hours after hospital admission. 2. Pneumonia which are already known to be caused by pathogens other than pneumococcus pneumoniae.

Where this trial is running

Shatin

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Community-acquired Pneumonia
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.