Nationwide evaluation of Streptococcus pneumoniae serotype distribution among adults with community-onset pneumonia in Japan

Nationwide evaluation of Streptococcus pneumoniae serotype distribution among adults with community-onset pneumonia in Japan - Nationwide evaluation of Streptococcus pneumoniae serotype distribution among adults with community-onset pneumonia in Japan

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043756

Enrollment

3000

Registered

2021-03-26

Start date

2020-11-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Community Onset pneumonia

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Adults patients with community-onset pneumoniae (having symptoms compatible with pneumonia (i.e. fever, hypothermia, chills or rigors, cough, sputum, pleuritic chest pain, dyspnea, tachypnea, or malaise) and with new pulmonary infiltrates on chest X-ray or computed tomography (CT) scan (consistent with pneumonia.) 2. With isolated S.pneumoniae from respiratory specimen, blood, or pleural fluid

Exclusion criteria

Exclusion criteria: 1. A case diagnosed with pneumonia 48 hours or more after admission to the hospital 2. Patients who previously included in the study within past 30 days 3. Patients who declined to participate in hospital research via opt-out process

Design outcomes

Primary

Measure	Time frame
To establish the serotype distribution of S.pneumoniae isolates obtained from adult pneumonia patients in Japan.	—

Secondary

Measure	Time frame
1. To describe the clinical characteristics of community-onset pneumonia associated with individual serotypes of S.pneumoniae 2. To establish antibiotic susceptibility patterns and MLST profiles for S.pneumoniae isolates obtained from adult patients with COP	—

Countries

Japan

Contacts

Public ContactHaruka,Konosuke Maeda, Morimoto

Institute of Tropical Medicine, Nagasaki University Department of Respiratory Infections

mharuka@nagasaki-u.ac.jp095-819-7842

Outcome results