Urinary Antigen Test for Stretococcus Pneumoniae Serotype Prevalence in Community Acquired Pneumonia

March 17, 2026 updated by: To Kin Wang, Chinese University of Hong Kong

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

This is an epidemiology study for the prevalence and serotypes of pneumococcus pneumoniae in hospitalized patients with community acquired pneumonia (CAP). The serotypes of the pneumococcus pneumoniae will be determined by a urinary antigen assay

Study Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Estimated)

1800

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Hong Kong
      • Shatin, Hong Kong
        • Department of Medicine and Therapeutics, Prince of Wales Hospital, CUHK

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

patients admitted for CAP

Description

Inclusion Criteria:

Admitted with signs and symptoms suggestive of pneumonia which include one or more of the followings:

  1. fever
  2. CXR changes with consolidation, increased alveolar shadowing or hazziness
  3. respiratory symptoms like increase shortness of breath, cough with sputum Raised inflammatory markers suggesting of bacterial infection with either increased white cell count or C-reactive protein, or both

Exclusion Criteria:

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Case-Only
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
prevalence of strep pneumonia
Time Frame: 2 years
to determine prevalence
2 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Chinese University of Hong Kong

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 1, 2021

Primary Completion (Actual)

January 31, 2026

Study Completion (Estimated)

June 30, 2027

Study Registration Dates

First Submitted

May 10, 2022

First Submitted That Met QC Criteria

May 10, 2022

First Posted (Actual)

May 13, 2022

Study Record Updates

Last Update Posted (Actual)

March 18, 2026

Last Update Submitted That Met QC Criteria

March 17, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CREC 2020.34

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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