Understanding Pneumococcal Carriage and Disease 2017-2020
Cross-sectional Study to Establish the Point Prevalence of Serotype 19A Pneumococcal Nasopharyngeal Carriage of Fully Vaccinated Children Aged 6-48 Months 7 Years Following Introduction of PCV-13
Sponsor: Pfizer
This observational or N/A phase trial investigates Streptococcal Pneumonia and Streptococcus Pneumoniae Infection and is currently ongoing. Pfizer leads this study, which shows 14 recorded versions since 2017 — indicating substantial longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.
Status Flow
Change History
14 versions recorded-
Sep 2024 — Present [monthly]
Unknown
-
Jul 2024 — Sep 2024 [monthly]
Unknown
Status: Unknown Status → Unknown
-
Nov 2022 — Jul 2024 [monthly]
Unknown Status
Status: Active Not Recruiting → Unknown Status
-
Dec 2021 — Nov 2022 [monthly]
Active Not Recruiting
-
Jan 2021 — Dec 2021 [monthly]
Active Not Recruiting
▶ Show 9 earlier versions
-
Nov 2020 — Jan 2021 [monthly]
Active Not Recruiting
Status: Recruiting → Active Not Recruiting
-
Sep 2019 — Nov 2020 [monthly]
Recruiting
-
Aug 2019 — Sep 2019 [monthly]
Recruiting
-
Nov 2018 — Aug 2019 [monthly]
Recruiting
-
Jun 2018 — Nov 2018 [monthly]
Recruiting
-
May 2018 — Jun 2018 [monthly]
Recruiting
-
Apr 2018 — May 2018 [monthly]
Recruiting
Phase: NA → None
-
Aug 2017 — Apr 2018 [monthly]
Recruiting NA
Status: Not Yet Recruiting → Recruiting
-
May 2017 — Aug 2017 [monthly]
Not Yet Recruiting NA
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Pfizer
- University of Oxford
For direct contact, visit the study record on ClinicalTrials.gov .