Study for the relationship between IL-17A gene polymorphism and respiratory colonization of streptococcus pneumoniae in children

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900027440

Enrollment

Unknown

Registered

2019-11-13

Start date

2019-12-01

Completion date

Unknown

Last updated

2019-11-18

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

Conditions

S. pneumoniae colonization

Interventions

Case Series:N/A

Eligibility

Sex/Gender

All

Age

No minimum to 5 Years

Inclusion criteria

Inclusion criteria: Healthy children in the health care department of the Affiliated Children's Hospital of Capital Institute of Pediatrics and children under 5 years old who were treated for inguinal hernia and hydrocele but without other diseases were collected

Exclusion criteria

Exclusion criteria: Children with underlying diseases and respiratory tract infections

Design outcomes

Primary

Measure	Time frame
Nasopharyngeal swab culture of streptococcus pneumoniae;Serum IL-17A concentration;Polymorphism analysis of IL-17A gene;	—

Countries

China

Contacts

Public ContactBaoying Zheng

Department of Respiratory, the Affiliated Children's Hospital of Capital Institute of Pediatrics

zbaoy1981@163.com+86 13811243750

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026