Sequential Versus Simultaneous Pneumococcal Vaccination in Elderly: Immunological Memory and Antibody Levels
Sequential Versus Simultaneous Vaccination With Pneumococcal Conjugate Vaccine (Prevenar 13) and Pneumococcal Polysaccharide Vaccine (Pneumovax 23) in Elderly: Immunological Memory and Antibody Levels
Sponsor: Jena University Hospital
A PHASE4 clinical study on Pneumococcal Infections, this trial is completed. The trial is conducted by Jena University Hospital and has accumulated 12 data snapshots since 2017. Infectious disease trials contribute critical data for public health response and treatment development.
Status Flow
Change History
12 versions recorded-
Sep 2024 — Present [monthly]
Completed PHASE4
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Jul 2024 — Sep 2024 [monthly]
Completed PHASE4
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Jan 2024 — Jul 2024 [monthly]
Completed PHASE4
Status: Active Not Recruiting → Completed
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Dec 2022 — Jan 2024 [monthly]
Active Not Recruiting PHASE4
Status: Recruiting → Active Not Recruiting
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Oct 2021 — Dec 2022 [monthly]
Recruiting PHASE4
▶ Show 7 earlier versions
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Jan 2021 — Oct 2021 [monthly]
Recruiting PHASE4
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Aug 2020 — Jan 2021 [monthly]
Recruiting PHASE4
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Jun 2019 — Aug 2020 [monthly]
Recruiting PHASE4
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Jun 2018 — Jun 2019 [monthly]
Recruiting PHASE4
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Oct 2017 — Jun 2018 [monthly]
Recruiting PHASE4
Status: Not Yet Recruiting → Recruiting
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Mar 2017 — Oct 2017 [monthly]
Not Yet Recruiting PHASE4
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Jan 2017 — Mar 2017 [monthly]
Not Yet Recruiting PHASE4
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Jena University Hospital
For direct contact, visit the study record on ClinicalTrials.gov .